3DPrinting/PrusaSlicer-NonPlainar
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Merge branch 'master' of https://github.com/prusa3d/PrusaSlicer into et_experiments

Browse source
This commit is contained in:
Enrico Turri 2019-06-24 08:15:41 +02:00
commit 96276394d1
1203 changed files with 5528 additions and 4690 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
Build.PL
View file

@ -16,6 +16,8 @@ my %prereqs = qw(
ExtUtils::MakeMaker 6.80
ExtUtils::ParseXS 3.22
ExtUtils::XSpp 0
ExtUtils::XSpp::Cmd 0
ExtUtils::CppGuess 0
ExtUtils::Typemaps 0
ExtUtils::Typemaps::Basic 0
File::Basename 0

45
CMakeLists.txt
View file

@ -60,7 +60,7 @@ if (MSVC)
# /bigobj (Increase Number of Sections in .Obj file)
# error C3859: virtual memory range for PCH exceeded; please recompile with a command line option of '-Zm90' or greater
# Generate symbols at every build target, even for the release.
add_compile_options(-bigobj -Zm316 /Zi)
add_compile_options(-bigobj -Zm520 /Zi)
endif ()
# Display and check CMAKE_PREFIX_PATH
@ -89,8 +89,6 @@ enable_testing ()
# Enable C++11 language standard.
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_C_STANDARD 11)
set(CMAKE_C_STANDARD_REQUIRED ON)
if(NOT WIN32)
# Add DEBUG flags to debug builds.
@ -172,7 +170,7 @@ if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU" OR "${CMAKE_CXX_COMPILER_ID}" STRE
add_compile_options(-Werror=return-type)
#removes LOTS of extraneous Eigen warnings
add_compile_options(-Wno-ignored-attributes)
# add_compile_options(-Wno-ignored-attributes) # Tamas: Eigen include dirs are marked as SYSTEM
if (SLIC3R_ASAN)
add_compile_options(-fsanitize=address -fno-omit-frame-pointer)
@ -240,15 +238,34 @@ if(NOT WIN32)
set(MINIMUM_BOOST_VERSION "1.64.0")
endif()
find_package(Boost ${MINIMUM_BOOST_VERSION} REQUIRED COMPONENTS system filesystem thread log locale regex)
if(Boost_FOUND)
# include_directories(SYSTEM ${Boost_INCLUDE_DIRS})
if (APPLE)
# BOOST_ASIO_DISABLE_KQUEUE : prevents a Boost ASIO bug on OS X: https://svn.boost.org/trac/boost/ticket/5339
add_definitions(-DBOOST_ASIO_DISABLE_KQUEUE)
endif()
if(NOT SLIC3R_STATIC)
add_definitions(-DBOOST_LOG_DYN_LINK)
endif()
add_library(boost_libs INTERFACE)
add_library(boost_headeronly INTERFACE)
if (APPLE)
# BOOST_ASIO_DISABLE_KQUEUE : prevents a Boost ASIO bug on OS X: https://svn.boost.org/trac/boost/ticket/5339
target_compile_definitions(boost_headeronly INTERFACE BOOST_ASIO_DISABLE_KQUEUE)
endif()
if(NOT SLIC3R_STATIC)
target_compile_definitions(boost_headeronly INTERFACE BOOST_LOG_DYN_LINK)
endif()
if(TARGET Boost::system)
message(STATUS "Boost::boost exists")
target_link_libraries(boost_headeronly INTERFACE Boost::boost)
target_link_libraries(boost_libs INTERFACE
boost_headeronly # includes the custom compile definitions as well
Boost::system
Boost::filesystem
Boost::thread
Boost::log
Boost::locale
Boost::regex
)
else()
target_include_directories(boost_headeronly INTERFACE ${Boost_INCLUDE_DIRS})
target_link_libraries(boost_libs INTERFACE boost_headeronly ${Boost_LIBRARIES})
endif()
# Find and configure intel-tbb
@ -295,7 +312,7 @@ if (NOT Eigen3_FOUND)
set(Eigen3_FOUND 1)
set(EIGEN3_INCLUDE_DIR ${LIBDIR}/eigen/)
endif ()
include_directories(${EIGEN3_INCLUDE_DIR})
include_directories(BEFORE SYSTEM ${EIGEN3_INCLUDE_DIR})
# Find expat or use bundled version
# Always use the system libexpat on Linux.

8
deps/CMakeLists.txt vendored
View file

@ -36,6 +36,11 @@ set(DESTDIR "${CMAKE_CURRENT_BINARY_DIR}/destdir" CACHE PATH "Destination direct
option(DEP_DEBUG "Build debug variants (only applicable on Windows)" ON)
option(DEP_WX_STABLE "Build against wxWidgets stable 3.0 as opposed to default 3.1 (Linux only)" OFF)
# IGL static library in release mode produces 50MB binary. On the build server, it should be
# disabled and used in header-only mode. On developer machines, it can be enabled to speed
# up conpilation and suppress warnings coming from IGL.
option(DEP_BUILD_IGL_STATIC "Build IGL as a static library. Might cause link errors and increase binary size." OFF)
message(STATUS "PrusaSlicer deps DESTDIR: ${DESTDIR}")
message(STATUS "PrusaSlicer deps debug build: ${DEP_DEBUG}")
@ -84,6 +89,7 @@ if (MSVC)
dep_wxwidgets
dep_gtest
dep_nlopt
# dep_qhull # Experimental
dep_zlib # on Windows we still need zlib
)
@ -97,6 +103,8 @@ else()
dep_wxwidgets
dep_gtest
dep_nlopt
dep_qhull
dep_libigl
)
endif()

41
deps/deps-unix-common.cmake vendored
View file

@ -32,3 +32,44 @@ ExternalProject_Add(dep_nlopt
-DCMAKE_INSTALL_PREFIX=${DESTDIR}/usr/local
${DEP_CMAKE_OPTS}
)
find_package(Git REQUIRED)
ExternalProject_Add(dep_qhull
EXCLUDE_FROM_ALL 1
URL "https://github.com/qhull/qhull/archive/v7.2.1.tar.gz"
URL_HASH SHA256=6fc251e0b75467e00943bfb7191e986fce0e1f8f6f0251f9c6ce5a843821ea78
CMAKE_ARGS
-DBUILD_SHARED_LIBS=OFF
-DCMAKE_INSTALL_PREFIX=${DESTDIR}/usr/local
${DEP_CMAKE_OPTS}
PATCH_COMMAND ${GIT_EXECUTABLE} apply --ignore-space-change --ignore-whitespace ${CMAKE_CURRENT_SOURCE_DIR}/qhull-mods.patch
)
ExternalProject_Add(dep_libigl
EXCLUDE_FROM_ALL 1
URL "https://github.com/libigl/libigl/archive/v2.0.0.tar.gz"
URL_HASH SHA256=42518e6b106c7209c73435fd260ed5d34edeb254852495b4c95dce2d95401328
CMAKE_ARGS
-DCMAKE_INSTALL_PREFIX=${DESTDIR}/usr/local
-DLIBIGL_BUILD_PYTHON=OFF
-DLIBIGL_BUILD_TESTS=OFF
-DLIBIGL_BUILD_TUTORIALS=OFF
-DLIBIGL_USE_STATIC_LIBRARY=${DEP_BUILD_IGL_STATIC}
-DLIBIGL_WITHOUT_COPYLEFT=OFF
-DLIBIGL_WITH_CGAL=OFF
-DLIBIGL_WITH_COMISO=OFF
-DLIBIGL_WITH_CORK=OFF
-DLIBIGL_WITH_EMBREE=OFF
-DLIBIGL_WITH_MATLAB=OFF
-DLIBIGL_WITH_MOSEK=OFF
-DLIBIGL_WITH_OPENGL=OFF
-DLIBIGL_WITH_OPENGL_GLFW=OFF
-DLIBIGL_WITH_OPENGL_GLFW_IMGUI=OFF
-DLIBIGL_WITH_PNG=OFF
-DLIBIGL_WITH_PYTHON=OFF
-DLIBIGL_WITH_TETGEN=OFF
-DLIBIGL_WITH_TRIANGLE=OFF
-DLIBIGL_WITH_XML=OFF
PATCH_COMMAND ${GIT_EXECUTABLE} apply --ignore-space-change --ignore-whitespace ${CMAKE_CURRENT_SOURCE_DIR}/igl-fixes.patch
)

99
deps/deps-windows.cmake vendored
View file

@ -1,21 +1,34 @@
# https://cmake.org/cmake/help/latest/variable/MSVC_VERSION.html
if (MSVC_VERSION EQUAL 1800)
# 1800 = VS 12.0 (v120 toolset)
set(DEP_VS_VER "12")
set(DEP_BOOST_TOOLSET "msvc-12.0")
elseif (MSVC_VERSION EQUAL 1900)
# 1900 = VS 14.0 (v140 toolset)
set(DEP_VS_VER "14")
set(DEP_BOOST_TOOLSET "msvc-14.0")
elseif (MSVC_VERSION GREATER 1900)
elseif (MSVC_VERSION LESS 1920)
# 1910-1919 = VS 15.0 (v141 toolset)
set(DEP_VS_VER "15")
set(DEP_BOOST_TOOLSET "msvc-14.1")
elseif (MSVC_VERSION LESS 1930)
# 1920-1929 = VS 16.0 (v142 toolset)
set(DEP_VS_VER "16")
set(DEP_BOOST_TOOLSET "msvc-14.2")
else ()
message(FATAL_ERROR "Unsupported MSVC version")
endif ()
if (${DEPS_BITS} EQUAL 32)
set(DEP_MSVC_GEN "Visual Studio ${DEP_VS_VER}")
set(DEP_PLATFORM "Win32")
else ()
set(DEP_MSVC_GEN "Visual Studio ${DEP_VS_VER} Win64")
if (DEP_VS_VER LESS 16)
set(DEP_MSVC_GEN "Visual Studio ${DEP_VS_VER} Win64")
else ()
set(DEP_MSVC_GEN "Visual Studio ${DEP_VS_VER}")
endif ()
set(DEP_PLATFORM "x64")
endif ()
@ -28,8 +41,8 @@ endif ()
ExternalProject_Add(dep_boost
EXCLUDE_FROM_ALL 1
URL "https://dl.bintray.com/boostorg/release/1.66.0/source/boost_1_66_0.tar.gz"
URL_HASH SHA256=bd0df411efd9a585e5a2212275f8762079fed8842264954675a4fddc46cfcf60
URL "https://dl.bintray.com/boostorg/release/1.70.0/source/boost_1_70_0.tar.gz"
URL_HASH SHA256=882b48708d211a5f48e60b0124cf5863c1534cd544ecd0664bb534a4b5d506e9
BUILD_IN_SOURCE 1
CONFIGURE_COMMAND bootstrap.bat
BUILD_COMMAND b2.exe
@ -57,6 +70,7 @@ ExternalProject_Add(dep_tbb
URL "https://github.com/wjakob/tbb/archive/a0dc9bf76d0120f917b641ed095360448cabc85b.tar.gz"
URL_HASH SHA256=0545cb6033bd1873fcae3ea304def720a380a88292726943ae3b9b207f322efe
CMAKE_GENERATOR "${DEP_MSVC_GEN}"
CMAKE_GENERATOR_PLATFORM "${DEP_PLATFORM}"
CMAKE_ARGS
-DCMAKE_DEBUG_POSTFIX=_debug
-DTBB_BUILD_SHARED=OFF
@ -81,6 +95,7 @@ ExternalProject_Add(dep_gtest
URL "https://github.com/google/googletest/archive/release-1.8.1.tar.gz"
URL_HASH SHA256=9bf1fe5182a604b4135edc1a425ae356c9ad15e9b23f9f12a02e80184c3a249c
CMAKE_GENERATOR "${DEP_MSVC_GEN}"
CMAKE_GENERATOR_PLATFORM "${DEP_PLATFORM}"
CMAKE_ARGS
-DBUILD_GMOCK=OFF
-Dgtest_force_shared_crt=ON
@ -105,6 +120,7 @@ ExternalProject_Add(dep_nlopt
URL "https://github.com/stevengj/nlopt/archive/v2.5.0.tar.gz"
URL_HASH SHA256=c6dd7a5701fff8ad5ebb45a3dc8e757e61d52658de3918e38bab233e7fd3b4ae
CMAKE_GENERATOR "${DEP_MSVC_GEN}"
CMAKE_GENERATOR_PLATFORM "${DEP_PLATFORM}"
CMAKE_ARGS
-DBUILD_SHARED_LIBS=OFF
-DNLOPT_PYTHON=OFF
@ -133,6 +149,7 @@ ExternalProject_Add(dep_zlib
URL "https://zlib.net/zlib-1.2.11.tar.xz"
URL_HASH SHA256=4ff941449631ace0d4d203e3483be9dbc9da454084111f97ea0a2114e19bf066
CMAKE_GENERATOR "${DEP_MSVC_GEN}"
CMAKE_GENERATOR_PLATFORM "${DEP_PLATFORM}"
CMAKE_ARGS
-DSKIP_INSTALL_FILES=ON # Prevent installation of man pages et al.
"-DINSTALL_BIN_DIR=${CMAKE_CURRENT_BINARY_DIR}\\fallout" # I found no better way of preventing zlib from creating & installing DLLs :-/
@ -199,6 +216,33 @@ if (${DEP_DEBUG})
)
endif ()
find_package(Git REQUIRED)
ExternalProject_Add(dep_qhull
EXCLUDE_FROM_ALL 1
URL "https://github.com/qhull/qhull/archive/v7.2.1.tar.gz"
URL_HASH SHA256=6fc251e0b75467e00943bfb7191e986fce0e1f8f6f0251f9c6ce5a843821ea78
CMAKE_GENERATOR "${DEP_MSVC_GEN}"
CMAKE_ARGS
-DCMAKE_INSTALL_PREFIX=${DESTDIR}/usr/local
-DBUILD_SHARED_LIBS=OFF
-DCMAKE_POSITION_INDEPENDENT_CODE=ON
-DCMAKE_DEBUG_POSTFIX=d
PATCH_COMMAND ${GIT_EXECUTABLE} apply --ignore-space-change --ignore-whitespace ${CMAKE_CURRENT_SOURCE_DIR}/qhull-mods.patch
BUILD_COMMAND msbuild /m /P:Configuration=Release INSTALL.vcxproj
INSTALL_COMMAND ""
)
if (${DEP_DEBUG})
ExternalProject_Get_Property(dep_qhull BINARY_DIR)
ExternalProject_Add_Step(dep_qhull build_debug
DEPENDEES build
DEPENDERS install
COMMAND msbuild /m /P:Configuration=Debug INSTALL.vcxproj
WORKING_DIRECTORY "${BINARY_DIR}"
)
endif ()
if (${DEPS_BITS} EQUAL 32)
set(DEP_WXWIDGETS_TARGET "")
@ -208,6 +252,51 @@ else ()
set(DEP_WXWIDGETS_LIBDIR "vc_x64_lib")
endif ()
find_package(Git REQUIRED)
ExternalProject_Add(dep_libigl
EXCLUDE_FROM_ALL 1
URL "https://github.com/libigl/libigl/archive/v2.0.0.tar.gz"
URL_HASH SHA256=42518e6b106c7209c73435fd260ed5d34edeb254852495b4c95dce2d95401328
CMAKE_GENERATOR "${DEP_MSVC_GEN}"
CMAKE_ARGS
-DCMAKE_INSTALL_PREFIX=${DESTDIR}/usr/local
-DLIBIGL_BUILD_PYTHON=OFF
-DLIBIGL_BUILD_TESTS=OFF
-DLIBIGL_BUILD_TUTORIALS=OFF
-DLIBIGL_USE_STATIC_LIBRARY=${DEP_BUILD_IGL_STATIC}
-DLIBIGL_WITHOUT_COPYLEFT=OFF
-DLIBIGL_WITH_CGAL=OFF
-DLIBIGL_WITH_COMISO=OFF
-DLIBIGL_WITH_CORK=OFF
-DLIBIGL_WITH_EMBREE=OFF
-DLIBIGL_WITH_MATLAB=OFF
-DLIBIGL_WITH_MOSEK=OFF
-DLIBIGL_WITH_OPENGL=OFF
-DLIBIGL_WITH_OPENGL_GLFW=OFF
-DLIBIGL_WITH_OPENGL_GLFW_IMGUI=OFF
-DLIBIGL_WITH_PNG=OFF
-DLIBIGL_WITH_PYTHON=OFF
-DLIBIGL_WITH_TETGEN=OFF
-DLIBIGL_WITH_TRIANGLE=OFF
-DLIBIGL_WITH_XML=OFF
-DCMAKE_POSITION_INDEPENDENT_CODE=ON
-DCMAKE_DEBUG_POSTFIX=d
PATCH_COMMAND ${GIT_EXECUTABLE} apply --ignore-space-change --ignore-whitespace ${CMAKE_CURRENT_SOURCE_DIR}/igl-fixes.patch
BUILD_COMMAND msbuild /m /P:Configuration=Release INSTALL.vcxproj
INSTALL_COMMAND ""
)
if (${DEP_DEBUG})
ExternalProject_Get_Property(dep_libigl BINARY_DIR)
ExternalProject_Add_Step(dep_libigl build_debug
DEPENDEES build
DEPENDERS install
COMMAND msbuild /m /P:Configuration=Debug INSTALL.vcxproj
WORKING_DIRECTORY "${BINARY_DIR}"
)
endif ()
ExternalProject_Add(dep_wxwidgets
EXCLUDE_FROM_ALL 1
GIT_REPOSITORY "https://github.com/prusa3d/wxWidgets"

128
deps/igl-fixes.patch vendored Normal file
View file

@ -0,0 +1,128 @@
diff --git a/cmake/libigl-config.cmake.in b/cmake/libigl-config.cmake.in
index 317c745c..f9808e1e 100644
--- a/cmake/libigl-config.cmake.in
+++ b/cmake/libigl-config.cmake.in
@@ -2,28 +2,28 @@
include(${CMAKE_CURRENT_LIST_DIR}/libigl-export.cmake)
-if (TARGET igl::core)
- if (NOT TARGET Eigen3::Eigen)
- find_package(Eigen3 QUIET)
- if (NOT Eigen3_FOUND)
- # try with PkgCOnfig
- find_package(PkgConfig REQUIRED)
- pkg_check_modules(Eigen3 QUIET IMPORTED_TARGET eigen3)
- endif()
-
- if (NOT Eigen3_FOUND)
- message(FATAL_ERROR "Could not find required dependency Eigen3")
- set(libigl_core_FOUND FALSE)
- else()
- target_link_libraries(igl::core INTERFACE PkgConfig::Eigen3)
- set(libigl_core_FOUND TRUE)
- endif()
- else()
- target_link_libraries(igl::core INTERFACE Eigen3::Eigen)
- set(libigl_core_FOUND TRUE)
- endif()
-
-endif()
+# if (TARGET igl::core)
+# if (NOT TARGET Eigen3::Eigen)
+# find_package(Eigen3 QUIET)
+# if (NOT Eigen3_FOUND)
+# # try with PkgCOnfig
+# find_package(PkgConfig REQUIRED)
+# pkg_check_modules(Eigen3 QUIET IMPORTED_TARGET eigen3)
+# endif()
+#
+# if (NOT Eigen3_FOUND)
+# message(FATAL_ERROR "Could not find required dependency Eigen3")
+# set(libigl_core_FOUND FALSE)
+# else()
+# target_link_libraries(igl::core INTERFACE PkgConfig::Eigen3)
+# set(libigl_core_FOUND TRUE)
+# endif()
+# else()
+# target_link_libraries(igl::core INTERFACE Eigen3::Eigen)
+# set(libigl_core_FOUND TRUE)
+# endif()
+#
+# endif()
check_required_components(libigl)
diff --git a/cmake/libigl.cmake b/cmake/libigl.cmake
index 4b11007a..47e6c395 100644
--- a/cmake/libigl.cmake
+++ b/cmake/libigl.cmake
@@ -445,6 +445,7 @@ function(install_dir_files dir_name)
if(NOT LIBIGL_USE_STATIC_LIBRARY)
file(GLOB public_sources
${CMAKE_CURRENT_SOURCE_DIR}/include/igl${subpath}/*.cpp
+ ${CMAKE_CURRENT_SOURCE_DIR}/include/igl${subpath}/*.c
)
endif()
list(APPEND files_to_install ${public_sources})
diff --git a/include/igl/AABB.cpp b/include/igl/AABB.cpp
index 09537335..92e90cb7 100644
--- a/include/igl/AABB.cpp
+++ b/include/igl/AABB.cpp
@@ -1071,5 +1071,11 @@ template void igl::AABB<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 3>::init<Eigen
// generated by autoexplicit.sh
template void igl::AABB<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 2>::init<Eigen::Matrix<int, -1, -1, 0, -1, -1> >(Eigen::MatrixBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> > const&, Eigen::MatrixBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&);
template double igl::AABB<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 3>::squared_distance<Eigen::Matrix<int, -1, -1, 0, -1, -1> >(Eigen::MatrixBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> > const&, Eigen::MatrixBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, Eigen::Matrix<double, 1, 3, 1, 1, 3> const&, double, int&, Eigen::PlainObjectBase<Eigen::Matrix<double, 1, 3, 1, 1, 3> >&) const;
+template float igl::AABB<Eigen::Map<Eigen::Matrix<float, -1, -1, 3, -1, -1> const, 0, Eigen::Stride<0, 0> >, 3>::squared_distance<Eigen::Map<Eigen::Matrix<int, -1, -1, 3, -1, -1> const, 0, Eigen::Stride<0, 0> > >(Eigen::MatrixBase<Eigen::Map<Eigen::Matrix<float, -1, -1, 3, -1, -1> const, 0, Eigen::Stride<0, 0> > > const&, Eigen::MatrixBase<Eigen::Map<Eigen::Matrix<int, -1, -1, 3, -1, -1> const, 0, Eigen::Stride<0, 0> > > const&, Eigen::Matrix<float, 1, 3, 1, 1, 3> const&, int&, Eigen::PlainObjectBase<Eigen::Matrix<float, 1, 3, 1, 1, 3> >&) const;
template bool igl::AABB<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 3>::intersect_ray<Eigen::Matrix<int, -1, -1, 0, -1, -1> >(Eigen::MatrixBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> > const&, Eigen::MatrixBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, Eigen::Matrix<double, 1, 3, 1, 1, 3> const&, Eigen::Matrix<double, 1, 3, 1, 1, 3> const&, igl::Hit&) const;
+template bool igl::AABB<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 3>::intersect_ray<Eigen::Matrix<int, -1, -1, 0, -1, -1> >(Eigen::MatrixBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> > const&, Eigen::MatrixBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, Eigen::Matrix<double, 1, 3, 1, 1, 3> const&, Eigen::Matrix<double, 1, 3, 1, 1, 3> const&, std::vector<igl::Hit>&) const;
+
+template void igl::AABB<Eigen::Map<Eigen::Matrix<float, -1, -1, 3, -1, -1> const, 0, Eigen::Stride<0, 0> >, 3>::init<Eigen::Map<Eigen::Matrix<int, -1, -1, 3, -1, -1> const, 0, Eigen::Stride<0, 0> > >(Eigen::MatrixBase<Eigen::Map<Eigen::Matrix<float, -1, -1, 3, -1, -1> const, 0, Eigen::Stride<0, 0> > > const&, Eigen::MatrixBase<Eigen::Map<Eigen::Matrix<int, -1, -1, 3, -1, -1> const, 0, Eigen::Stride<0, 0> > > const&);
+
+template bool igl::AABB<Eigen::Map<Eigen::Matrix<float, -1, -1, 3, -1, -1> const, 0, Eigen::Stride<0, 0> >, 3>::intersect_ray<Eigen::Map<Eigen::Matrix<int, -1, -1, 3, -1, -1> const, 0, Eigen::Stride<0, 0> > >(Eigen::MatrixBase<Eigen::Map<Eigen::Matrix<float, -1, -1, 3, -1, -1> const, 0, Eigen::Stride<0, 0> > > const&, Eigen::MatrixBase<Eigen::Map<Eigen::Matrix<int, -1, -1, 3, -1, -1> const, 0, Eigen::Stride<0, 0> > > const&, Eigen::Matrix<float, 1, 3, 1, 1, 3> const&, Eigen::Matrix<float, 1, 3, 1, 1, 3> const&, std::vector<igl::Hit, std::allocator<igl::Hit> >&) const;
#endif
diff --git a/include/igl/barycenter.cpp b/include/igl/barycenter.cpp
index 065f82aa..ec2d96cd 100644
--- a/include/igl/barycenter.cpp
+++ b/include/igl/barycenter.cpp
@@ -54,4 +54,6 @@ template void igl::barycenter<Eigen::Matrix<double, -1, -1, 0, -1, -1>, Eigen::M
template void igl::barycenter<Eigen::Matrix<double, -1, 3, 0, -1, 3>, Eigen::Matrix<int, -1, 3, 0, -1, 3>, Eigen::Matrix<double, -1, 3, 0, -1, 3> >(Eigen::MatrixBase<Eigen::Matrix<double, -1, 3, 0, -1, 3> > const&, Eigen::MatrixBase<Eigen::Matrix<int, -1, 3, 0, -1, 3> > const&, Eigen::PlainObjectBase<Eigen::Matrix<double, -1, 3, 0, -1, 3> >&);
template void igl::barycenter<Eigen::Matrix<double, -1, 3, 0, -1, 3>, Eigen::Matrix<int, -1, 3, 0, -1, 3>, Eigen::Matrix<double, -1, -1, 0, -1, -1> >(Eigen::MatrixBase<Eigen::Matrix<double, -1, 3, 0, -1, 3> > const&, Eigen::MatrixBase<Eigen::Matrix<int, -1, 3, 0, -1, 3> > const&, Eigen::PlainObjectBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> >&);
template void igl::barycenter<Eigen::Matrix<double, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<double, -1, 2, 0, -1, 2> >(Eigen::MatrixBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> > const&, Eigen::MatrixBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, Eigen::PlainObjectBase<Eigen::Matrix<double, -1, 2, 0, -1, 2> >&);
+
+template void igl::barycenter<Eigen::Map<Eigen::Matrix<float, -1, -1, 3, -1, -1> const, 0, Eigen::Stride<0, 0> >, Eigen::Map<Eigen::Matrix<int, -1, -1, 3, -1, -1> const, 0, Eigen::Stride<0, 0> >, Eigen::Matrix<float, -1, 3, 0, -1, 3> >(Eigen::MatrixBase<Eigen::Map<Eigen::Matrix<float, -1, -1, 3, -1, -1> const, 0, Eigen::Stride<0, 0> > > const&, Eigen::MatrixBase<Eigen::Map<Eigen::Matrix<int, -1, -1, 3, -1, -1> const, 0, Eigen::Stride<0, 0> > > const&, Eigen::PlainObjectBase<Eigen::Matrix<float, -1, 3, 0, -1, 3> >&);
#endif
diff --git a/include/igl/point_simplex_squared_distance.cpp b/include/igl/point_simplex_squared_distance.cpp
index 2b98bd28..c66d9ae1 100644
--- a/include/igl/point_simplex_squared_distance.cpp
+++ b/include/igl/point_simplex_squared_distance.cpp
@@ -178,4 +178,6 @@ template void igl::point_simplex_squared_distance<3, Eigen::Matrix<double, 1, 3,
template void igl::point_simplex_squared_distance<3, Eigen::Matrix<double, 1, 3, 1, 1, 3>, Eigen::Matrix<double, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, -1, 0, -1, -1>, double, Eigen::Matrix<double, 1, 3, 1, 1, 3> >(Eigen::MatrixBase<Eigen::Matrix<double, 1, 3, 1, 1, 3> > const&, Eigen::MatrixBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> > const&, Eigen::MatrixBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, Eigen::Matrix<int, -1, -1, 0, -1, -1>::Index, double&, Eigen::MatrixBase<Eigen::Matrix<double, 1, 3, 1, 1, 3> >&, Eigen::PlainObjectBase<Eigen::Matrix<double, 3, 1, 1, 1, 3> >&);
template void igl::point_simplex_squared_distance<2, Eigen::Matrix<double, 1, 2, 1, 1, 2>, Eigen::Matrix<double, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, -1, 0, -1, -1>, double, Eigen::Matrix<double, 1, 2, 1, 1, 2> >(Eigen::MatrixBase<Eigen::Matrix<double, 1, 2, 1, 1, 2> > const&, Eigen::MatrixBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> > const&, Eigen::MatrixBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, Eigen::Matrix<int, -1, -1, 0, -1, -1>::Index, double&, Eigen::MatrixBase<Eigen::Matrix<double, 1, 2, 1, 1, 2> >&, Eigen::PlainObjectBase<Eigen::Matrix<double, 1, 2, 1, 1, 2> >&);
template void igl::point_simplex_squared_distance<2, Eigen::Matrix<double, 1, 2, 1, 1, 2>, Eigen::Matrix<double, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, -1, 0, -1, -1>, double, Eigen::Matrix<double, 1, 2, 1, 1, 2> >(Eigen::MatrixBase<Eigen::Matrix<double, 1, 2, 1, 1, 2> > const&, Eigen::MatrixBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> > const&, Eigen::MatrixBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, Eigen::Matrix<int, -1, -1, 0, -1, -1>::Index, double&, Eigen::MatrixBase<Eigen::Matrix<double, 1, 2, 1, 1, 2> >&, Eigen::PlainObjectBase<Eigen::Matrix<double, 2, 1, 1, 1, 2> >&);
+
+template void igl::point_simplex_squared_distance<3, Eigen::Matrix<float, 1, 3, 1, 1, 3>, Eigen::Map<Eigen::Matrix<float, -1, -1, 3, -1, -1> const, 0, Eigen::Stride<0, 0> >, Eigen::Map<Eigen::Matrix<int, -1, -1, 3, -1, -1> const, 0, Eigen::Stride<0, 0> >, float, Eigen::Matrix<float, 1, 3, 1, 1, 3> >(Eigen::MatrixBase<Eigen::Matrix<float, 1, 3, 1, 1, 3> > const&, Eigen::MatrixBase<Eigen::Map<Eigen::Matrix<float, -1, -1, 3, -1, -1> const, 0, Eigen::Stride<0, 0> > > const&, Eigen::MatrixBase<Eigen::Map<Eigen::Matrix<int, -1, -1, 3, -1, -1> const, 0, Eigen::Stride<0, 0> > > const&, Eigen::Map<Eigen::Matrix<int, -1, -1, 3, -1, -1> const, 0, Eigen::Stride<0, 0> >::Index, float&, Eigen::MatrixBase<Eigen::Matrix<float, 1, 3, 1, 1, 3> >&);
#endif
diff --git a/include/igl/ray_box_intersect.cpp b/include/igl/ray_box_intersect.cpp
index 4a88b89e..b547f8f8 100644
--- a/include/igl/ray_box_intersect.cpp
+++ b/include/igl/ray_box_intersect.cpp
@@ -147,4 +147,6 @@ IGL_INLINE bool igl::ray_box_intersect(
#ifdef IGL_STATIC_LIBRARY
// Explicit template instantiation
template bool igl::ray_box_intersect<Eigen::Matrix<double, 1, 3, 1, 1, 3>, Eigen::Matrix<double, 1, 3, 1, 1, 3>, double>(Eigen::MatrixBase<Eigen::Matrix<double, 1, 3, 1, 1, 3> > const&, Eigen::MatrixBase<Eigen::Matrix<double, 1, 3, 1, 1, 3> > const&, Eigen::AlignedBox<double, 3> const&, double const&, double const&, double&, double&);
+
+template bool igl::ray_box_intersect<Eigen::Matrix<float, 1, 3, 1, 1, 3>, Eigen::Matrix<float, 1, 3, 1, 1, 3>, float>(Eigen::MatrixBase<Eigen::Matrix<float, 1, 3, 1, 1, 3> > const&, Eigen::MatrixBase<Eigen::Matrix<float, 1, 3, 1, 1, 3> > const&, Eigen::AlignedBox<float, 3> const&, float const&, float const&, float&, float&);
#endif
diff --git a/include/igl/ray_mesh_intersect.cpp b/include/igl/ray_mesh_intersect.cpp
index 9a70a22b..4233e722 100644
--- a/include/igl/ray_mesh_intersect.cpp
+++ b/include/igl/ray_mesh_intersect.cpp
@@ -83,4 +83,7 @@ IGL_INLINE bool igl::ray_mesh_intersect(
template bool igl::ray_mesh_intersect<Eigen::Matrix<float, 3, 1, 0, 3, 1>, Eigen::Matrix<float, 3, 1, 0, 3, 1>, Eigen::Matrix<double, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, -1, 0, -1, -1> >(Eigen::MatrixBase<Eigen::Matrix<float, 3, 1, 0, 3, 1> > const&, Eigen::MatrixBase<Eigen::Matrix<float, 3, 1, 0, 3, 1> > const&, Eigen::MatrixBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> > const&, Eigen::MatrixBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, std::vector<igl::Hit, std::allocator<igl::Hit> >&);
template bool igl::ray_mesh_intersect<Eigen::Matrix<float, 3, 1, 0, 3, 1>, Eigen::Matrix<float, 3, 1, 0, 3, 1>, Eigen::Matrix<double, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, -1, 0, -1, -1> >(Eigen::MatrixBase<Eigen::Matrix<float, 3, 1, 0, 3, 1> > const&, Eigen::MatrixBase<Eigen::Matrix<float, 3, 1, 0, 3, 1> > const&, Eigen::MatrixBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> > const&, Eigen::MatrixBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, igl::Hit&);
template bool igl::ray_mesh_intersect<Eigen::Matrix<double, 1, 3, 1, 1, 3>, Eigen::Matrix<double, 1, 3, 1, 1, 3>, Eigen::Matrix<double, -1, -1, 0, -1, -1>, Eigen::Block<Eigen::Matrix<int, -1, -1, 0, -1, -1> const, 1, -1, false> >(Eigen::MatrixBase<Eigen::Matrix<double, 1, 3, 1, 1, 3> > const&, Eigen::MatrixBase<Eigen::Matrix<double, 1, 3, 1, 1, 3> > const&, Eigen::MatrixBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> > const&, Eigen::MatrixBase<Eigen::Block<Eigen::Matrix<int, -1, -1, 0, -1, -1> const, 1, -1, false> > const&, igl::Hit&);
+template bool igl::ray_mesh_intersect<Eigen::Matrix<double, 1, 3, 1, 1, 3>, Eigen::Matrix<double, 1, 3, 1, 1, 3>, Eigen::Matrix<double, -1, -1, 0, -1, -1>, Eigen::Block<Eigen::Matrix<int, -1, -1, 0, -1, -1> const, 1, -1, false> >(Eigen::MatrixBase<Eigen::Matrix<double, 1, 3, 1, 1, 3> > const&, Eigen::MatrixBase<Eigen::Matrix<double, 1, 3, 1, 1, 3> > const&, Eigen::MatrixBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> > const&, Eigen::MatrixBase<Eigen::Block<Eigen::Matrix<int, -1, -1, 0, -1, -1> const, 1, -1, false> > const&, std::vector<igl::Hit, std::allocator<igl::Hit> >&);
+
+template bool igl::ray_mesh_intersect<Eigen::Matrix<float, 1, 3, 1, 1, 3>, Eigen::Matrix<float, 1, 3, 1, 1, 3>, Eigen::Map<Eigen::Matrix<float, -1, -1, 3, -1, -1> const, 0, Eigen::Stride<0, 0> >, Eigen::Block<Eigen::Map<Eigen::Matrix<int, -1, -1, 3, -1, -1> const, 0, Eigen::Stride<0, 0> > const, 1, -1, true> >(Eigen::MatrixBase<Eigen::Matrix<float, 1, 3, 1, 1, 3> > const&, Eigen::MatrixBase<Eigen::Matrix<float, 1, 3, 1, 1, 3> > const&, Eigen::MatrixBase<Eigen::Map<Eigen::Matrix<float, -1, -1, 3, -1, -1> const, 0, Eigen::Stride<0, 0> > > const&, Eigen::MatrixBase<Eigen::Block<Eigen::Map<Eigen::Matrix<int, -1, -1, 3, -1, -1> const, 0, Eigen::Stride<0, 0> > const, 1, -1, true> > const&, std::vector<igl::Hit, std::allocator<igl::Hit> >&);
#endif

121
deps/qhull-mods.patch vendored Normal file
View file

@ -0,0 +1,121 @@
From a31ae4781a4afa60e21c70e5b4ae784bcd447c8a Mon Sep 17 00:00:00 2001
From: tamasmeszaros <meszaros.q@gmail.com>
Date: Thu, 6 Jun 2019 15:41:43 +0200
Subject: [PATCH] prusa-slicer changes
---
CMakeLists.txt | 44 +++++++++++++++++++++++++++++++++++---
Config.cmake.in | 2 ++
src/libqhull_r/qhull_r-exports.def | 2 ++
src/libqhull_r/user_r.h | 2 +-
4 files changed, 46 insertions(+), 4 deletions(-)
create mode 100644 Config.cmake.in
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 59dff41..20c2ec5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -61,7 +61,7 @@
# $DateTime: 2016/01/18 19:29:17 $$Author: bbarber $
project(qhull)
-cmake_minimum_required(VERSION 2.6)
+cmake_minimum_required(VERSION 3.0)
# Define qhull_VERSION in CMakeLists.txt, Makefile, qhull-exports.def, qhull_p-exports.def, qhull_r-exports.def, qhull-warn.pri
set(qhull_VERSION2 "2015.2 2016/01/18") # not used, See global.c, global_r.c, rbox.c, rbox_r.c
@@ -610,10 +610,48 @@ add_test(NAME user_eg3
# Define install
# ---------------------------------------
-install(TARGETS ${qhull_TARGETS_INSTALL}
+install(TARGETS ${qhull_TARGETS_INSTALL} EXPORT QhullTargets
RUNTIME DESTINATION ${BIN_INSTALL_DIR}
LIBRARY DESTINATION ${LIB_INSTALL_DIR}
- ARCHIVE DESTINATION ${LIB_INSTALL_DIR})
+ ARCHIVE DESTINATION ${LIB_INSTALL_DIR}
+ INCLUDES DESTINATION include)
+
+include(CMakePackageConfigHelpers)
+
+write_basic_package_version_file(
+ "${CMAKE_CURRENT_BINARY_DIR}/Qhull/QhullConfigVersion.cmake"
+ VERSION ${qhull_VERSION}
+ COMPATIBILITY AnyNewerVersion
+)
+
+export(EXPORT QhullTargets
+ FILE "${CMAKE_CURRENT_BINARY_DIR}/Qhull/QhullTargets.cmake"
+ NAMESPACE Qhull::
+)
+
+configure_file(Config.cmake.in
+ "${CMAKE_CURRENT_BINARY_DIR}/Qhull/QhullConfig.cmake"
+ @ONLY
+)
+
+set(ConfigPackageLocation lib/cmake/Qhull)
+install(EXPORT QhullTargets
+ FILE
+ QhullTargets.cmake
+ NAMESPACE
+ Qhull::
+ DESTINATION
+ ${ConfigPackageLocation}
+)
+install(
+ FILES
+ "${CMAKE_CURRENT_BINARY_DIR}/Qhull/QhullConfig.cmake"
+ "${CMAKE_CURRENT_BINARY_DIR}/Qhull/QhullConfigVersion.cmake"
+ DESTINATION
+ ${ConfigPackageLocation}
+ COMPONENT
+ Devel
+)
install(FILES ${libqhull_HEADERS} DESTINATION ${INCLUDE_INSTALL_DIR}/libqhull)
install(FILES ${libqhull_DOC} DESTINATION ${INCLUDE_INSTALL_DIR}/libqhull)
diff --git a/Config.cmake.in b/Config.cmake.in
new file mode 100644
index 0000000..bc92bfe
--- /dev/null
+++ b/Config.cmake.in
@@ -0,0 +1,2 @@
+include("${CMAKE_CURRENT_LIST_DIR}/QhullTargets.cmake")
+
diff --git a/src/libqhull_r/qhull_r-exports.def b/src/libqhull_r/qhull_r-exports.def
index 325d57c..72f6ad0 100644
--- a/src/libqhull_r/qhull_r-exports.def
+++ b/src/libqhull_r/qhull_r-exports.def
@@ -185,6 +185,7 @@ qh_memsetup
qh_memsize
qh_memstatistics
qh_memtotal
+qh_memcheck
qh_merge_degenredundant
qh_merge_nonconvex
qh_mergecycle
@@ -372,6 +373,7 @@ qh_settruncate
qh_setunique
qh_setvoronoi_all
qh_setzero
+qh_setendpointer
qh_sharpnewfacets
qh_skipfacet
qh_skipfilename
diff --git a/src/libqhull_r/user_r.h b/src/libqhull_r/user_r.h
index fc105b9..7cca65a 100644
--- a/src/libqhull_r/user_r.h
+++ b/src/libqhull_r/user_r.h
@@ -139,7 +139,7 @@ Code flags --
REALfloat = 1 all numbers are 'float' type
= 0 all numbers are 'double' type
*/
-#define REALfloat 0
+#define REALfloat 1
#if (REALfloat == 1)
#define realT float
--
2.16.2.windows.1

BIN
resources/icons/mirroring_off.png Normal file
View file

Binary file not shown.
Side by side

After

Width:  |  Height:  |  Size: 589 B

BIN
resources/icons/mirroring_on.png Normal file
View file

Binary file not shown.
Side by side

After

Width:  |  Height:  |  Size: 600 B

BIN
resources/icons/mirroring_transparent.png Normal file
View file

Binary file not shown.
Side by side

After

Width:  |  Height:  |  Size: 93 B

9
resources/shaders/variable_layer_height.vs
View file

@ -15,6 +15,7 @@ const vec3 LIGHT_FRONT_DIR = vec3(0.6985074, 0.1397015, 0.6985074);
#define INTENSITY_AMBIENT 0.3
uniform mat4 volume_world_matrix;
uniform float object_max_z;
// x = tainted, y = specular;
varying vec2 intensity;
@ -42,6 +43,12 @@ void main()
intensity.x += NdotL * LIGHT_FRONT_DIFFUSE;
// Scaled to widths of the Z texture.
object_z = (volume_world_matrix * gl_Vertex).z;
if (object_max_z > 0.0)
// when rendering the overlay
object_z = object_max_z * gl_MultiTexCoord0.y;
else
// when rendering the volumes
object_z = (volume_world_matrix * gl_Vertex).z;
gl_Position = ftransform();
}

8
src/CMakeLists.txt
View file

@ -12,14 +12,12 @@ add_subdirectory(poly2tri)
add_subdirectory(qhull)
add_subdirectory(Shiny)
add_subdirectory(semver)
add_subdirectory(libigl)
# Adding libnest2d project for bin packing...
set(LIBNEST2D_UNITTESTS ON CACHE BOOL "Force generating unittests for libnest2d")
add_subdirectory(libnest2d)
include_directories(${LIBDIR}/qhull/src)
#message(STATUS ${LIBDIR}/qhull/src)
add_subdirectory(libslic3r)
if (SLIC3R_GUI)
@ -142,7 +140,7 @@ if (MSVC)
target_compile_definitions(PrusaSlicer_app_gui PRIVATE -DSLIC3R_WRAPPER_NOCONSOLE)
add_dependencies(PrusaSlicer_app_gui PrusaSlicer)
set_target_properties(PrusaSlicer_app_gui PROPERTIES OUTPUT_NAME "prusa-slicer")
target_include_directories(PrusaSlicer_app_gui SYSTEM PUBLIC ${Boost_INCLUDE_DIRS})
target_link_libraries(PrusaSlicer_app_gui PRIVATE boost_headeronly)
add_executable(PrusaSlicer_app_console PrusaSlicer_app_msvc.cpp ${CMAKE_CURRENT_BINARY_DIR}/PrusaSlicer.rc)
# Generate debug symbols even in release mode.
@ -150,7 +148,7 @@ if (MSVC)
target_compile_definitions(PrusaSlicer_app_console PRIVATE -DSLIC3R_WRAPPER_CONSOLE)
add_dependencies(PrusaSlicer_app_console PrusaSlicer)
set_target_properties(PrusaSlicer_app_console PROPERTIES OUTPUT_NAME "prusa-slicer-console")
target_include_directories(PrusaSlicer_app_console SYSTEM PUBLIC ${Boost_INCLUDE_DIRS})
target_link_libraries(PrusaSlicer_app_console PRIVATE boost_headeronly)
endif ()
# Link the resources dir to where Slic3r GUI expects it

11
src/PrusaSlicer.cpp
View file

@ -7,10 +7,13 @@
#include <Windows.h>
#include <wchar.h>
#ifdef SLIC3R_GUI
extern "C"
{
// Let the NVIDIA and AMD know we want to use their graphics card
// on a dual graphics card system.
__declspec(dllexport) DWORD NvOptimusEnablement = 0x00000001;
__declspec(dllexport) int AmdPowerXpressRequestHighPerformance = 1;
}
#endif /* SLIC3R_GUI */
#endif /* WIN32 */
@ -241,8 +244,7 @@ int CLI::run(int argc, char **argv)
} else if (opt_key == "cut" || opt_key == "cut_x" || opt_key == "cut_y") {
std::vector<Model> new_models;
for (auto &model : m_models) {
model.repair();
model.translate(0, 0, -model.bounding_box().min.z()); // align to z = 0
model.translate(0, 0, -model.bounding_box().min.z()); // align to z = 0
size_t num_objects = model.objects.size();
for (size_t i = 0; i < num_objects; ++ i) {
@ -301,8 +303,9 @@ int CLI::run(int argc, char **argv)
}
}
} else if (opt_key == "repair") {
for (auto &model : m_models)
model.repair();
// Models are repaired by default.
//for (auto &model : m_models)
// model.repair();
} else {
boost::nowide::cerr << "error: option not implemented yet: " << opt_key << std::endl;
return 1;

3
src/PrusaSlicer_app_msvc.cpp
View file

@ -8,10 +8,13 @@
#include <wchar.h>
#ifdef SLIC3R_GUI
extern "C"
{
// Let the NVIDIA and AMD know we want to use their graphics card
// on a dual graphics card system.
__declspec(dllexport) DWORD NvOptimusEnablement = 0x00000001;
__declspec(dllexport) int AmdPowerXpressRequestHighPerformance = 1;
}
#endif /* SLIC3R_GUI */
#include <stdlib.h>

2
src/admesh/CMakeLists.txt
View file

@ -11,4 +11,4 @@ add_library(admesh STATIC
util.cpp
)
target_include_directories(admesh SYSTEM PRIVATE ${Boost_INCLUDE_DIRS})
target_link_libraries(admesh PRIVATE boost_headeronly)

1541
src/admesh/connect.cpp
View file

File diff suppressed because it is too large Load diff

421
src/admesh/normals.cpp
View file

@ -25,271 +25,214 @@
#include <string.h>
#include <math.h>
// Boost pool: Don't use mutexes to synchronize memory allocation.
#define BOOST_POOL_NO_MT
#include <boost/pool/object_pool.hpp>
#include "stl.h"
static int stl_check_normal_vector(stl_file *stl, int facet_num, int normal_fix_flag);
static void reverse_facet(stl_file *stl, int facet_num)
{
++ stl->stats.facets_reversed;
static void
stl_reverse_facet(stl_file *stl, int facet_num) {
stl_vertex tmp_vertex;
/* int tmp_neighbor;*/
int neighbor[3];
int vnot[3];
int neighbor[3] = { stl->neighbors_start[facet_num].neighbor[0], stl->neighbors_start[facet_num].neighbor[1], stl->neighbors_start[facet_num].neighbor[2] };
int vnot[3] = { stl->neighbors_start[facet_num].which_vertex_not[0], stl->neighbors_start[facet_num].which_vertex_not[1], stl->neighbors_start[facet_num].which_vertex_not[2] };
stl->stats.facets_reversed += 1;
// reverse the facet
stl_vertex tmp_vertex = stl->facet_start[facet_num].vertex[0];
stl->facet_start[facet_num].vertex[0] = stl->facet_start[facet_num].vertex[1];
stl->facet_start[facet_num].vertex[1] = tmp_vertex;
neighbor[0] = stl->neighbors_start[facet_num].neighbor[0];
neighbor[1] = stl->neighbors_start[facet_num].neighbor[1];
neighbor[2] = stl->neighbors_start[facet_num].neighbor[2];
vnot[0] = stl->neighbors_start[facet_num].which_vertex_not[0];
vnot[1] = stl->neighbors_start[facet_num].which_vertex_not[1];
vnot[2] = stl->neighbors_start[facet_num].which_vertex_not[2];
// fix the vnots of the neighboring facets
if (neighbor[0] != -1)
stl->neighbors_start[neighbor[0]].which_vertex_not[(vnot[0] + 1) % 3] = (stl->neighbors_start[neighbor[0]].which_vertex_not[(vnot[0] + 1) % 3] + 3) % 6;
if (neighbor[1] != -1)
stl->neighbors_start[neighbor[1]].which_vertex_not[(vnot[1] + 1) % 3] = (stl->neighbors_start[neighbor[1]].which_vertex_not[(vnot[1] + 1) % 3] + 4) % 6;
if (neighbor[2] != -1)
stl->neighbors_start[neighbor[2]].which_vertex_not[(vnot[2] + 1) % 3] = (stl->neighbors_start[neighbor[2]].which_vertex_not[(vnot[2] + 1) % 3] + 2) % 6;
/* reverse the facet */
tmp_vertex = stl->facet_start[facet_num].vertex[0];
stl->facet_start[facet_num].vertex[0] =
stl->facet_start[facet_num].vertex[1];
stl->facet_start[facet_num].vertex[1] = tmp_vertex;
// swap the neighbors of the facet that is being reversed
stl->neighbors_start[facet_num].neighbor[1] = neighbor[2];
stl->neighbors_start[facet_num].neighbor[2] = neighbor[1];
/* fix the vnots of the neighboring facets */
if(neighbor[0] != -1)
stl->neighbors_start[neighbor[0]].which_vertex_not[(vnot[0] + 1) % 3] =
(stl->neighbors_start[neighbor[0]].
which_vertex_not[(vnot[0] + 1) % 3] + 3) % 6;
if(neighbor[1] != -1)
stl->neighbors_start[neighbor[1]].which_vertex_not[(vnot[1] + 1) % 3] =
(stl->neighbors_start[neighbor[1]].
which_vertex_not[(vnot[1] + 1) % 3] + 4) % 6;
if(neighbor[2] != -1)
stl->neighbors_start[neighbor[2]].which_vertex_not[(vnot[2] + 1) % 3] =
(stl->neighbors_start[neighbor[2]].
which_vertex_not[(vnot[2] + 1) % 3] + 2) % 6;
// swap the vnots of the facet that is being reversed
stl->neighbors_start[facet_num].which_vertex_not[1] = vnot[2];
stl->neighbors_start[facet_num].which_vertex_not[2] = vnot[1];
/* swap the neighbors of the facet that is being reversed */
stl->neighbors_start[facet_num].neighbor[1] = neighbor[2];
stl->neighbors_start[facet_num].neighbor[2] = neighbor[1];
/* swap the vnots of the facet that is being reversed */
stl->neighbors_start[facet_num].which_vertex_not[1] = vnot[2];
stl->neighbors_start[facet_num].which_vertex_not[2] = vnot[1];
/* reverse the values of the vnots of the facet that is being reversed */
stl->neighbors_start[facet_num].which_vertex_not[0] =
(stl->neighbors_start[facet_num].which_vertex_not[0] + 3) % 6;
stl->neighbors_start[facet_num].which_vertex_not[1] =
(stl->neighbors_start[facet_num].which_vertex_not[1] + 3) % 6;
stl->neighbors_start[facet_num].which_vertex_not[2] =
(stl->neighbors_start[facet_num].which_vertex_not[2] + 3) % 6;
// reverse the values of the vnots of the facet that is being reversed
stl->neighbors_start[facet_num].which_vertex_not[0] = (stl->neighbors_start[facet_num].which_vertex_not[0] + 3) % 6;
stl->neighbors_start[facet_num].which_vertex_not[1] = (stl->neighbors_start[facet_num].which_vertex_not[1] + 3) % 6;
stl->neighbors_start[facet_num].which_vertex_not[2] = (stl->neighbors_start[facet_num].which_vertex_not[2] + 3) % 6;
}
void
stl_fix_normal_directions(stl_file *stl) {
char *norm_sw;
/* int edge_num;*/
/* int vnot;*/
int checked = 0;
int facet_num;
/* int next_facet;*/
int i;
int j;
struct stl_normal {
int facet_num;
struct stl_normal *next;
};
struct stl_normal *head;
struct stl_normal *tail;
struct stl_normal *newn;
struct stl_normal *temp;
// Returns true if the normal was flipped.
static bool check_normal_vector(stl_file *stl, int facet_num, int normal_fix_flag)
{
stl_facet *facet = &stl->facet_start[facet_num];
int* reversed_ids;
int reversed_count = 0;
int id;
int force_exit = 0;
stl_normal normal;
stl_calculate_normal(normal, facet);
stl_normalize_vector(normal);
stl_normal normal_dif = (normal - facet->normal).cwiseAbs();
if (stl->error) return;
const float eps = 0.001f;
if (normal_dif(0) < eps && normal_dif(1) < eps && normal_dif(2) < eps) {
// Normal is within tolerance. It is not really necessary to change the values here, but just for consistency, I will.
facet->normal = normal;
return false;
}
// this may happen for malformed models, see: https://github.com/prusa3d/PrusaSlicer/issues/2209
if (stl->stats.number_of_facets == 0) return;
stl_normal test_norm = facet->normal;
stl_normalize_vector(test_norm);
normal_dif = (normal - test_norm).cwiseAbs();
if (normal_dif(0) < eps && normal_dif(1) < eps && normal_dif(2) < eps) {
// The normal is not within tolerance, but direction is OK.
if (normal_fix_flag) {
facet->normal = normal;
++ stl->stats.normals_fixed;
}
return false;
}
/* Initialize linked list. */
head = (struct stl_normal*)malloc(sizeof(struct stl_normal));
if(head == NULL) perror("stl_fix_normal_directions");
tail = (struct stl_normal*)malloc(sizeof(struct stl_normal));
if(tail == NULL) perror("stl_fix_normal_directions");
head->next = tail;
tail->next = tail;
/* Initialize list that keeps track of already fixed facets. */
norm_sw = (char*)calloc(stl->stats.number_of_facets, sizeof(char));
if(norm_sw == NULL) perror("stl_fix_normal_directions");
/* Initialize list that keeps track of reversed facets. */
reversed_ids = (int*)calloc(stl->stats.number_of_facets, sizeof(int));
if (reversed_ids == NULL) perror("stl_fix_normal_directions reversed_ids");
facet_num = 0;
/* If normal vector is not within tolerance and backwards:
Arbitrarily starts at face 0. If this one is wrong, we're screwed. Thankfully, the chances
of it being wrong randomly are low if most of the triangles are right: */
if (stl_check_normal_vector(stl, 0, 0) == 2) {
stl_reverse_facet(stl, 0);
reversed_ids[reversed_count++] = 0;
}
/* Say that we've fixed this facet: */
norm_sw[facet_num] = 1;
checked++;
for(;;) {
/* Add neighbors_to_list.
Add unconnected neighbors to the list:a */
for(j = 0; j < 3; j++) {
/* Reverse the neighboring facets if necessary. */
if(stl->neighbors_start[facet_num].which_vertex_not[j] > 2) {
/* If the facet has a neighbor that is -1, it means that edge isn't shared by another facet */
if(stl->neighbors_start[facet_num].neighbor[j] != -1) {
if (norm_sw[stl->neighbors_start[facet_num].neighbor[j]] == 1) {
/* trying to modify a facet already marked as fixed, revert all changes made until now and exit (fixes: #716, #574, #413, #269, #262, #259, #230, #228, #206) */
for (id = reversed_count - 1; id >= 0; --id) {
stl_reverse_facet(stl, reversed_ids[id]);
}
force_exit = 1;
break;
} else {
stl_reverse_facet(stl, stl->neighbors_start[facet_num].neighbor[j]);
reversed_ids[reversed_count++] = stl->neighbors_start[facet_num].neighbor[j];
}
}
}
/* If this edge of the facet is connected: */
if(stl->neighbors_start[facet_num].neighbor[j] != -1) {
/* If we haven't fixed this facet yet, add it to the list: */
if(norm_sw[stl->neighbors_start[facet_num].neighbor[j]] != 1) {
/* Add node to beginning of list. */
newn = (struct stl_normal*)malloc(sizeof(struct stl_normal));
if(newn == NULL) perror("stl_fix_normal_directions");
newn->facet_num = stl->neighbors_start[facet_num].neighbor[j];
newn->next = head->next;
head->next = newn;
}
}
}
/* an error occourred, quit the for loop and exit */
if (force_exit) break;
/* Get next facet to fix from top of list. */
if(head->next != tail) {
facet_num = head->next->facet_num;
if(norm_sw[facet_num] != 1) { /* If facet is in list mutiple times */
norm_sw[facet_num] = 1; /* Record this one as being fixed. */
checked++;
}
temp = head->next; /* Delete this facet from the list. */
head->next = head->next->next;
free(temp);
} else { /* if we ran out of facets to fix: */
/* All of the facets in this part have been fixed. */
stl->stats.number_of_parts += 1;
if(checked >= stl->stats.number_of_facets) {
/* All of the facets have been checked. Bail out. */
break;
} else {
/* There is another part here. Find it and continue. */
for(i = 0; i < stl->stats.number_of_facets; i++) {
if(norm_sw[i] == 0) {
/* This is the first facet of the next part. */
facet_num = i;
if(stl_check_normal_vector(stl, i, 0) == 2) {
stl_reverse_facet(stl, i);
reversed_ids[reversed_count++] = i;
}
norm_sw[facet_num] = 1;
checked++;
break;
}
}
}
}
}
free(head);
free(tail);
free(reversed_ids);
free(norm_sw);
test_norm *= -1.f;
normal_dif = (normal - test_norm).cwiseAbs();
if (normal_dif(0) < eps && normal_dif(1) < eps && normal_dif(2) < eps) {
// The normal is not within tolerance and backwards.
if (normal_fix_flag) {
facet->normal = normal;
++ stl->stats.normals_fixed;
}
return true;
}
if (normal_fix_flag) {
facet->normal = normal;
++ stl->stats.normals_fixed;
}
// Status is unknown.
return false;
}
static int stl_check_normal_vector(stl_file *stl, int facet_num, int normal_fix_flag) {
/* Returns 0 if the normal is within tolerance */
/* Returns 1 if the normal is not within tolerance, but direction is OK */
/* Returns 2 if the normal is not within tolerance and backwards */
/* Returns 4 if the status is unknown. */
void stl_fix_normal_directions(stl_file *stl)
{
// This may happen for malformed models, see: https://github.com/prusa3d/PrusaSlicer/issues/2209
if (stl->stats.number_of_facets == 0)
return;
stl_facet *facet;
struct stl_normal {
int facet_num;
stl_normal *next;
};
facet = &stl->facet_start[facet_num];
// Initialize linked list.
boost::object_pool<stl_normal> pool;
stl_normal *head = pool.construct();
stl_normal *tail = pool.construct();
head->next = tail;
tail->next = tail;
stl_normal normal;
stl_calculate_normal(normal, facet);
stl_normalize_vector(normal);
stl_normal normal_dif = (normal - facet->normal).cwiseAbs();
// Initialize list that keeps track of already fixed facets.
std::vector<char> norm_sw(stl->stats.number_of_facets, 0);
// Initialize list that keeps track of reversed facets.
std::vector<int> reversed_ids(stl->stats.number_of_facets, 0);
const float eps = 0.001f;
if (normal_dif(0) < eps && normal_dif(1) < eps && normal_dif(2) < eps) {
/* It is not really necessary to change the values here */
/* but just for consistency, I will. */
facet->normal = normal;
return 0;
}
int facet_num = 0;
int reversed_count = 0;
// If normal vector is not within tolerance and backwards:
// Arbitrarily starts at face 0. If this one is wrong, we're screwed. Thankfully, the chances
// of it being wrong randomly are low if most of the triangles are right:
if (check_normal_vector(stl, 0, 0)) {
reverse_facet(stl, 0);
reversed_ids[reversed_count ++] = 0;
}
stl_normal test_norm = facet->normal;
stl_normalize_vector(test_norm);
normal_dif = (normal - test_norm).cwiseAbs();
if (normal_dif(0) < eps && normal_dif(1) < eps && normal_dif(2) < eps) {
if(normal_fix_flag) {
facet->normal = normal;
stl->stats.normals_fixed += 1;
}
return 1;
}
// Say that we've fixed this facet:
norm_sw[facet_num] = 1;
int checked = 1;
test_norm *= -1.f;
normal_dif = (normal - test_norm).cwiseAbs();
if (normal_dif(0) < eps && normal_dif(1) < eps && normal_dif(2) < eps) {
// Facet is backwards.
if(normal_fix_flag) {
facet->normal = normal;
stl->stats.normals_fixed += 1;
}
return 2;
}
if(normal_fix_flag) {
facet->normal = normal;
stl->stats.normals_fixed += 1;
}
return 4;
for (;;) {
// Add neighbors_to_list. Add unconnected neighbors to the list.
bool force_exit = false;
for (int j = 0; j < 3; ++ j) {
// Reverse the neighboring facets if necessary.
if (stl->neighbors_start[facet_num].which_vertex_not[j] > 2) {
// If the facet has a neighbor that is -1, it means that edge isn't shared by another facet
if (stl->neighbors_start[facet_num].neighbor[j] != -1) {
if (norm_sw[stl->neighbors_start[facet_num].neighbor[j]] == 1) {
// trying to modify a facet already marked as fixed, revert all changes made until now and exit (fixes: #716, #574, #413, #269, #262, #259, #230, #228, #206)
for (int id = reversed_count - 1; id >= 0; -- id)
reverse_facet(stl, reversed_ids[id]);
force_exit = true;
break;
}
reverse_facet(stl, stl->neighbors_start[facet_num].neighbor[j]);
reversed_ids[reversed_count ++] = stl->neighbors_start[facet_num].neighbor[j];
}
}
// If this edge of the facet is connected:
if (stl->neighbors_start[facet_num].neighbor[j] != -1) {
// If we haven't fixed this facet yet, add it to the list:
if (norm_sw[stl->neighbors_start[facet_num].neighbor[j]] != 1) {
// Add node to beginning of list.
stl_normal *newn = pool.construct();
newn->facet_num = stl->neighbors_start[facet_num].neighbor[j];
newn->next = head->next;
head->next = newn;
}
}
}
// an error occourred, quit the for loop and exit
if (force_exit)
break;
// Get next facet to fix from top of list.
if (head->next != tail) {
facet_num = head->next->facet_num;
if (norm_sw[facet_num] != 1) { // If facet is in list mutiple times
norm_sw[facet_num] = 1; // Record this one as being fixed.
++ checked;
}
stl_normal *temp = head->next; // Delete this facet from the list.
head->next = head->next->next;
// pool.destroy(temp);
} else { // If we ran out of facets to fix: All of the facets in this part have been fixed.
++ stl->stats.number_of_parts;
if (checked >= stl->stats.number_of_facets)
// All of the facets have been checked. Bail out.
break;
// There is another part here. Find it and continue.
for (uint32_t i = 0; i < stl->stats.number_of_facets; ++ i)
if (norm_sw[i] == 0) {
// This is the first facet of the next part.
facet_num = i;
if (check_normal_vector(stl, i, 0)) {
reverse_facet(stl, i);
reversed_ids[reversed_count++] = i;
}
norm_sw[facet_num] = 1;
++ checked;
break;
}
}
}
// pool.destroy(head);
// pool.destroy(tail);
}
void stl_fix_normal_values(stl_file *stl) {
int i;
if (stl->error) return;
for(i = 0; i < stl->stats.number_of_facets; i++) {
stl_check_normal_vector(stl, i, 1);
}
void stl_fix_normal_values(stl_file *stl)
{
for (uint32_t i = 0; i < stl->stats.number_of_facets; ++ i)
check_normal_vector(stl, i, 1);
}
void stl_reverse_all_facets(stl_file *stl)
{
if (stl->error)
return;
stl_normal normal;
for(int i = 0; i < stl->stats.number_of_facets; i++) {
stl_reverse_facet(stl, i);
stl_calculate_normal(normal, &stl->facet_start[i]);
stl_normalize_vector(normal);
stl->facet_start[i].normal = normal;
}
stl_normal normal;
for (uint32_t i = 0; i < stl->stats.number_of_facets; ++ i) {
reverse_facet(stl, i);
stl_calculate_normal(normal, &stl->facet_start[i]);
stl_normalize_vector(normal);
stl->facet_start[i].normal = normal;
}
}

435
src/admesh/shared.cpp
View file

@ -23,242 +23,237 @@
#include <stdlib.h>
#include <string.h>
#include <vector>
#include <boost/log/trivial.hpp>
#include <boost/nowide/cstdio.hpp>
#include "stl.h"
void
stl_invalidate_shared_vertices(stl_file *stl) {
if (stl->error) return;
void stl_generate_shared_vertices(stl_file *stl, indexed_triangle_set &its)
{
// 3 indices to vertex per face
its.indices.assign(stl->stats.number_of_facets, stl_triangle_vertex_indices(-1, -1, -1));
// Shared vertices (3D coordinates)
its.vertices.clear();
its.vertices.reserve(stl->stats.number_of_facets / 2);
if (stl->v_indices != NULL) {
free(stl->v_indices);
stl->v_indices = NULL;
}
if (stl->v_shared != NULL) {
free(stl->v_shared);
stl->v_shared = NULL;
}
// A degenerate mesh may contain loops: Traversing a fan will end up in an endless loop
// while never reaching the starting face. To avoid these endless loops, traversed faces at each fan traversal
// are marked with a unique fan_traversal_stamp.
unsigned int fan_traversal_stamp = 0;
std::vector<unsigned int> fan_traversal_facet_visited(stl->stats.number_of_facets, 0);
for (uint32_t facet_idx = 0; facet_idx < stl->stats.number_of_facets; ++ facet_idx) {
for (int j = 0; j < 3; ++ j) {
if (its.indices[facet_idx][j] != -1)
// Shared vertex was already assigned.
continue;
// Create a new shared vertex.
its.vertices.emplace_back(stl->facet_start[facet_idx].vertex[j]);
// Traverse the fan around the j-th vertex of the i-th face, assign the newly created shared vertex index to all the neighboring triangles in the triangle fan.
int facet_in_fan_idx = facet_idx;
bool edge_direction = false;
bool traversal_reversed = false;
int vnot = (j + 2) % 3;
// Increase the
++ fan_traversal_stamp;
for (;;) {
// Next edge on facet_in_fan_idx to be traversed. The edge is indexed by its starting vertex index.
int next_edge = 0;
// Vertex index in facet_in_fan_idx, which is being pivoted around, and which is being assigned a new shared vertex.
int pivot_vertex = 0;
if (vnot > 2) {
// The edge of facet_in_fan_idx opposite to vnot is equally oriented, therefore
// the neighboring facet is flipped.
if (! edge_direction) {
pivot_vertex = (vnot + 2) % 3;
next_edge = pivot_vertex;
} else {
pivot_vertex = (vnot + 1) % 3;
next_edge = vnot % 3;
}
edge_direction = ! edge_direction;
} else {
// The neighboring facet is correctly oriented.
if (! edge_direction) {
pivot_vertex = (vnot + 1) % 3;
next_edge = vnot;
} else {
pivot_vertex = (vnot + 2) % 3;
next_edge = pivot_vertex;
}
}
its.indices[facet_in_fan_idx][pivot_vertex] = its.vertices.size() - 1;
fan_traversal_facet_visited[facet_in_fan_idx] = fan_traversal_stamp;
// next_edge is an index of the starting vertex of the edge, not an index of the opposite vertex to the edge!
int next_facet = stl->neighbors_start[facet_in_fan_idx].neighbor[next_edge];
if (next_facet == -1) {
// No neighbor going in the current direction.
if (traversal_reversed) {
// Went to one limit, then turned back and reached the other limit. Quit the fan traversal.
break;
} else {
// Reached the first limit. Now try to reverse and traverse up to the other limit.
edge_direction = true;
vnot = (j + 1) % 3;
traversal_reversed = true;
facet_in_fan_idx = facet_idx;
}
} else if (next_facet == facet_idx) {
// Traversed a closed fan all around.
// assert(! traversal_reversed);
break;
} else if (next_facet >= (int)stl->stats.number_of_facets) {
// The mesh is not valid!
// assert(false);
break;
} else if (fan_traversal_facet_visited[next_facet] == fan_traversal_stamp) {
// Traversed a closed fan all around, but did not reach the starting face.
// This indicates an invalid geometry (non-manifold).
//assert(false);
break;
} else {
// Continue traversal.
// next_edge is an index of the starting vertex of the edge, not an index of the opposite vertex to the edge!
vnot = stl->neighbors_start[facet_in_fan_idx].which_vertex_not[next_edge];
facet_in_fan_idx = next_facet;
}
}
}
}
}
void
stl_generate_shared_vertices(stl_file *stl) {
int i;
int j;
int first_facet;
int direction;
int facet_num;
int vnot;
int next_edge;
int pivot_vertex;
int next_facet;
int reversed;
bool its_write_off(const indexed_triangle_set &its, const char *file)
{
/* Open the file */
FILE *fp = boost::nowide::fopen(file, "w");
if (fp == nullptr) {
BOOST_LOG_TRIVIAL(error) << "stl_write_ascii: Couldn't open " << file << " for writing";
return false;
}
if (stl->error) return;
fprintf(fp, "OFF\n");
fprintf(fp, "%d %d 0\n", (int)its.vertices.size(), (int)its.indices.size());
for (int i = 0; i < its.vertices.size(); ++ i)
fprintf(fp, "\t%f %f %f\n", its.vertices[i](0), its.vertices[i](1), its.vertices[i](2));
for (uint32_t i = 0; i < its.indices.size(); ++ i)
fprintf(fp, "\t3 %d %d %d\n", its.indices[i][0], its.indices[i][1], its.indices[i][2]);
fclose(fp);
return true;
}
/* make sure this function is idempotent and does not leak memory */
stl_invalidate_shared_vertices(stl);
bool its_write_vrml(const indexed_triangle_set &its, const char *file)
{
/* Open the file */
FILE *fp = boost::nowide::fopen(file, "w");
if (fp == nullptr) {
BOOST_LOG_TRIVIAL(error) << "stl_write_vrml: Couldn't open " << file << " for writing";
return false;
}
stl->v_indices = (v_indices_struct*)
calloc(stl->stats.number_of_facets, sizeof(v_indices_struct));
if(stl->v_indices == NULL) perror("stl_generate_shared_vertices");
stl->v_shared = (stl_vertex*)
calloc((stl->stats.number_of_facets / 2), sizeof(stl_vertex));
if(stl->v_shared == NULL) perror("stl_generate_shared_vertices");
stl->stats.shared_malloced = stl->stats.number_of_facets / 2;
stl->stats.shared_vertices = 0;
fprintf(fp, "#VRML V1.0 ascii\n\n");
fprintf(fp, "Separator {\n");
fprintf(fp, "\tDEF STLShape ShapeHints {\n");
fprintf(fp, "\t\tvertexOrdering COUNTERCLOCKWISE\n");
fprintf(fp, "\t\tfaceType CONVEX\n");
fprintf(fp, "\t\tshapeType SOLID\n");
fprintf(fp, "\t\tcreaseAngle 0.0\n");
fprintf(fp, "\t}\n");
fprintf(fp, "\tDEF STLModel Separator {\n");
fprintf(fp, "\t\tDEF STLColor Material {\n");
fprintf(fp, "\t\t\temissiveColor 0.700000 0.700000 0.000000\n");
fprintf(fp, "\t\t}\n");
fprintf(fp, "\t\tDEF STLVertices Coordinate3 {\n");
fprintf(fp, "\t\t\tpoint [\n");
for(i = 0; i < stl->stats.number_of_facets; i++) {
stl->v_indices[i].vertex[0] = -1;
stl->v_indices[i].vertex[1] = -1;
stl->v_indices[i].vertex[2] = -1;
}
int i = 0;
for (; i + 1 < its.vertices.size(); ++ i)
fprintf(fp, "\t\t\t\t%f %f %f,\n", its.vertices[i](0), its.vertices[i](1), its.vertices[i](2));
fprintf(fp, "\t\t\t\t%f %f %f]\n", its.vertices[i](0), its.vertices[i](1), its.vertices[i](2));
fprintf(fp, "\t\t}\n");
fprintf(fp, "\t\tDEF STLTriangles IndexedFaceSet {\n");
fprintf(fp, "\t\t\tcoordIndex [\n");
for (size_t i = 0; i + 1 < its.indices.size(); ++ i)
fprintf(fp, "\t\t\t\t%d, %d, %d, -1,\n", its.indices[i][0], its.indices[i][1], its.indices[i][2]);
fprintf(fp, "\t\t\t\t%d, %d, %d, -1]\n", its.indices[i][0], its.indices[i][1], its.indices[i][2]);
fprintf(fp, "\t\t}\n");
fprintf(fp, "\t}\n");
fprintf(fp, "}\n");
fclose(fp);
return true;
}
bool its_write_obj(const indexed_triangle_set &its, const char *file)
{
FILE *fp = boost::nowide::fopen(file, "w");
if (fp == nullptr) {
BOOST_LOG_TRIVIAL(error) << "stl_write_obj: Couldn't open " << file << " for writing";
return false;
}
for (size_t i = 0; i < its.vertices.size(); ++ i)
fprintf(fp, "v %f %f %f\n", its.vertices[i](0), its.vertices[i](1), its.vertices[i](2));
for (size_t i = 0; i < its.indices.size(); ++ i)
fprintf(fp, "f %d %d %d\n", its.indices[i][0]+1, its.indices[i][1]+1, its.indices[i][2]+1);
fclose(fp);
return true;
}
for(i = 0; i < stl->stats.number_of_facets; i++) {
first_facet = i;
for(j = 0; j < 3; j++) {
if(stl->v_indices[i].vertex[j] != -1) {
continue;
}
if(stl->stats.shared_vertices == stl->stats.shared_malloced) {
stl->stats.shared_malloced += 1024;
stl->v_shared = (stl_vertex*)realloc(stl->v_shared,
stl->stats.shared_malloced * sizeof(stl_vertex));
if(stl->v_shared == NULL) perror("stl_generate_shared_vertices");
}
// Check validity of the mesh, assert on error.
bool stl_validate(const stl_file *stl, const indexed_triangle_set &its)
{
assert(! stl->facet_start.empty());
assert(stl->facet_start.size() == stl->stats.number_of_facets);
assert(stl->neighbors_start.size() == stl->stats.number_of_facets);
assert(stl->facet_start.size() == stl->neighbors_start.size());
assert(! stl->neighbors_start.empty());
assert((its.indices.empty()) == (its.vertices.empty()));
assert(stl->stats.number_of_facets > 0);
assert(its.vertices.empty() || its.indices.size() == stl->stats.number_of_facets);
stl->v_shared[stl->stats.shared_vertices] =
stl->facet_start[i].vertex[j];
direction = 0;
reversed = 0;
facet_num = i;
vnot = (j + 2) % 3;
for(;;) {
if(vnot > 2) {
if(direction == 0) {
pivot_vertex = (vnot + 2) % 3;
next_edge = pivot_vertex;
direction = 1;
} else {
pivot_vertex = (vnot + 1) % 3;
next_edge = vnot % 3;
direction = 0;
}
} else {
if(direction == 0) {
pivot_vertex = (vnot + 1) % 3;
next_edge = vnot;
} else {
pivot_vertex = (vnot + 2) % 3;
next_edge = pivot_vertex;
}
#ifdef _DEBUG
// Verify validity of neighborship data.
for (int facet_idx = 0; facet_idx < (int)stl->stats.number_of_facets; ++ facet_idx) {
const stl_neighbors &nbr = stl->neighbors_start[facet_idx];
const int *vertices = its.indices.empty() ? nullptr : its.indices[facet_idx].data();
for (int nbr_idx = 0; nbr_idx < 3; ++ nbr_idx) {
int nbr_face = stl->neighbors_start[facet_idx].neighbor[nbr_idx];
assert(nbr_face < (int)stl->stats.number_of_facets);
if (nbr_face != -1) {
int nbr_vnot = nbr.which_vertex_not[nbr_idx];
assert(nbr_vnot >= 0 && nbr_vnot < 6);
// Neighbor of the neighbor is the original face.
assert(stl->neighbors_start[nbr_face].neighbor[(nbr_vnot + 1) % 3] == facet_idx);
int vnot_back = stl->neighbors_start[nbr_face].which_vertex_not[(nbr_vnot + 1) % 3];
assert(vnot_back >= 0 && vnot_back < 6);
assert((nbr_vnot < 3) == (vnot_back < 3));
assert(vnot_back % 3 == (nbr_idx + 2) % 3);
if (vertices != nullptr) {
// Has shared vertices.
if (nbr_vnot < 3) {
// Faces facet_idx and nbr_face share two vertices accross the common edge. Faces are correctly oriented.
assert((its.indices[nbr_face][(nbr_vnot + 1) % 3] == vertices[(nbr_idx + 1) % 3] && its.indices[nbr_face][(nbr_vnot + 2) % 3] == vertices[nbr_idx]));
} else {
// Faces facet_idx and nbr_face share two vertices accross the common edge. Faces are incorrectly oriented, one of them is flipped.
assert((its.indices[nbr_face][(nbr_vnot + 2) % 3] == vertices[(nbr_idx + 1) % 3] && its.indices[nbr_face][(nbr_vnot + 1) % 3] == vertices[nbr_idx]));
}
}
}
}
stl->v_indices[facet_num].vertex[pivot_vertex] =
stl->stats.shared_vertices;
next_facet = stl->neighbors_start[facet_num].neighbor[next_edge];
if(next_facet == -1) {
if(reversed) {
break;
} else {
direction = 1;
vnot = (j + 1) % 3;
reversed = 1;
facet_num = first_facet;
}
} else if(next_facet != first_facet) {
vnot = stl->neighbors_start[facet_num].
which_vertex_not[next_edge];
facet_num = next_facet;
} else {
break;
}
}
stl->stats.shared_vertices += 1;
}
}
#endif /* _DEBUG */
return true;
}
void
stl_write_off(stl_file *stl, const char *file) {
int i;
FILE *fp;
char *error_msg;
if (stl->error) return;
/* Open the file */
fp = boost::nowide::fopen(file, "w");
if(fp == NULL) {
error_msg = (char*)
malloc(81 + strlen(file)); /* Allow 80 chars+file size for message */
sprintf(error_msg, "stl_write_ascii: Couldn't open %s for writing",
file);
perror(error_msg);
free(error_msg);
stl->error = 1;
return;
}
fprintf(fp, "OFF\n");
fprintf(fp, "%d %d 0\n",
stl->stats.shared_vertices, stl->stats.number_of_facets);
for(i = 0; i < stl->stats.shared_vertices; i++) {
fprintf(fp, "\t%f %f %f\n",
stl->v_shared[i](0), stl->v_shared[i](1), stl->v_shared[i](2));
}
for(i = 0; i < stl->stats.number_of_facets; i++) {
fprintf(fp, "\t3 %d %d %d\n", stl->v_indices[i].vertex[0],
stl->v_indices[i].vertex[1], stl->v_indices[i].vertex[2]);
}
fclose(fp);
}
void
stl_write_vrml(stl_file *stl, const char *file) {
int i;
FILE *fp;
char *error_msg;
if (stl->error) return;
/* Open the file */
fp = boost::nowide::fopen(file, "w");
if(fp == NULL) {
error_msg = (char*)
malloc(81 + strlen(file)); /* Allow 80 chars+file size for message */
sprintf(error_msg, "stl_write_ascii: Couldn't open %s for writing",
file);
perror(error_msg);
free(error_msg);
stl->error = 1;
return;
}
fprintf(fp, "#VRML V1.0 ascii\n\n");
fprintf(fp, "Separator {\n");
fprintf(fp, "\tDEF STLShape ShapeHints {\n");
fprintf(fp, "\t\tvertexOrdering COUNTERCLOCKWISE\n");
fprintf(fp, "\t\tfaceType CONVEX\n");
fprintf(fp, "\t\tshapeType SOLID\n");
fprintf(fp, "\t\tcreaseAngle 0.0\n");
fprintf(fp, "\t}\n");
fprintf(fp, "\tDEF STLModel Separator {\n");
fprintf(fp, "\t\tDEF STLColor Material {\n");
fprintf(fp, "\t\t\temissiveColor 0.700000 0.700000 0.000000\n");
fprintf(fp, "\t\t}\n");
fprintf(fp, "\t\tDEF STLVertices Coordinate3 {\n");
fprintf(fp, "\t\t\tpoint [\n");
for(i = 0; i < (stl->stats.shared_vertices - 1); i++) {
fprintf(fp, "\t\t\t\t%f %f %f,\n",
stl->v_shared[i](0), stl->v_shared[i](1), stl->v_shared[i](2));
}
fprintf(fp, "\t\t\t\t%f %f %f]\n",
stl->v_shared[i](0), stl->v_shared[i](1), stl->v_shared[i](2));
fprintf(fp, "\t\t}\n");
fprintf(fp, "\t\tDEF STLTriangles IndexedFaceSet {\n");
fprintf(fp, "\t\t\tcoordIndex [\n");
for(i = 0; i < (stl->stats.number_of_facets - 1); i++) {
fprintf(fp, "\t\t\t\t%d, %d, %d, -1,\n", stl->v_indices[i].vertex[0],
stl->v_indices[i].vertex[1], stl->v_indices[i].vertex[2]);
}
fprintf(fp, "\t\t\t\t%d, %d, %d, -1]\n", stl->v_indices[i].vertex[0],
stl->v_indices[i].vertex[1], stl->v_indices[i].vertex[2]);
fprintf(fp, "\t\t}\n");
fprintf(fp, "\t}\n");
fprintf(fp, "}\n");
fclose(fp);
}
void stl_write_obj (stl_file *stl, const char *file) {
int i;
FILE* fp;
if (stl->error) return;
/* Open the file */
fp = boost::nowide::fopen(file, "w");
if (fp == NULL) {
char* error_msg = (char*)malloc(81 + strlen(file)); /* Allow 80 chars+file size for message */
sprintf(error_msg, "stl_write_ascii: Couldn't open %s for writing", file);
perror(error_msg);
free(error_msg);
stl->error = 1;
return;
}
for (i = 0; i < stl->stats.shared_vertices; i++) {
fprintf(fp, "v %f %f %f\n", stl->v_shared[i](0), stl->v_shared[i](1), stl->v_shared[i](2));
}
for (i = 0; i < stl->stats.number_of_facets; i++) {
fprintf(fp, "f %d %d %d\n", stl->v_indices[i].vertex[0]+1, stl->v_indices[i].vertex[1]+1, stl->v_indices[i].vertex[2]+1);
}
fclose(fp);
// Check validity of the mesh, assert on error.
bool stl_validate(const stl_file *stl)
{
indexed_triangle_set its;
return stl_validate(stl, its);
}

287
src/admesh/stl.h
View file

@ -27,6 +27,7 @@
#include <stdint.h>
#include <stddef.h>
#include <vector>
#include <Eigen/Geometry>
// Size of the binary STL header, free form.
@ -40,22 +41,23 @@
typedef Eigen::Matrix<float, 3, 1, Eigen::DontAlign> stl_vertex;
typedef Eigen::Matrix<float, 3, 1, Eigen::DontAlign> stl_normal;
typedef Eigen::Matrix<int, 3, 1, Eigen::DontAlign> stl_triangle_vertex_indices;
static_assert(sizeof(stl_vertex) == 12, "size of stl_vertex incorrect");
static_assert(sizeof(stl_normal) == 12, "size of stl_normal incorrect");
struct stl_facet {
stl_normal normal;
stl_vertex vertex[3];
char extra[2];
stl_normal normal;
stl_vertex vertex[3];
char extra[2];
stl_facet rotated(const Eigen::Quaternion<float, Eigen::DontAlign> &rot) {
stl_facet out;
out.normal = rot * this->normal;
out.vertex[0] = rot * this->vertex[0];
out.vertex[1] = rot * this->vertex[1];
out.vertex[2] = rot * this->vertex[2];
return out;
}
stl_facet rotated(const Eigen::Quaternion<float, Eigen::DontAlign> &rot) const {
stl_facet out;
out.normal = rot * this->normal;
out.vertex[0] = rot * this->vertex[0];
out.vertex[1] = rot * this->vertex[1];
out.vertex[2] = rot * this->vertex[2];
return out;
}
};
#define SIZEOF_STL_FACET 50
@ -67,104 +69,94 @@ static_assert(sizeof(stl_facet) >= SIZEOF_STL_FACET, "size of stl_facet incorrec
typedef enum {binary, ascii, inmemory} stl_type;
typedef struct {
stl_vertex p1;
stl_vertex p2;
int facet_number;
} stl_edge;
struct stl_neighbors {
stl_neighbors() { reset(); }
void reset() {
neighbor[0] = -1;
neighbor[1] = -1;
neighbor[2] = -1;
which_vertex_not[0] = -1;
which_vertex_not[1] = -1;
which_vertex_not[2] = -1;
}
int num_neighbors_missing() const { return (this->neighbor[0] == -1) + (this->neighbor[1] == -1) + (this->neighbor[2] == -1); }
int num_neighbors() const { return 3 - this->num_neighbors_missing(); }
typedef struct stl_hash_edge {
// Key of a hash edge: sorted vertices of the edge.
uint32_t key[6];
// Compare two keys.
bool operator==(const stl_hash_edge &rhs) { return memcmp(key, rhs.key, sizeof(key)) == 0; }
bool operator!=(const stl_hash_edge &rhs) { return ! (*this == rhs); }
int hash(int M) const { return ((key[0] / 11 + key[1] / 7 + key[2] / 3) ^ (key[3] / 11 + key[4] / 7 + key[5] / 3)) % M; }
// Index of a facet owning this edge.
int facet_number;
// Index of this edge inside the facet with an index of facet_number.
// If this edge is stored backwards, which_edge is increased by 3.
int which_edge;
struct stl_hash_edge *next;
} stl_hash_edge;
// Index of a neighbor facet.
int neighbor[3];
// Index of an opposite vertex at the neighbor face.
char which_vertex_not[3];
};
typedef struct {
// Index of a neighbor facet.
int neighbor[3];
// Index of an opposite vertex at the neighbor face.
char which_vertex_not[3];
} stl_neighbors;
struct stl_stats {
stl_stats() { this->reset(); }
void reset() { memset(this, 0, sizeof(stl_stats)); this->volume = -1.0; }
char header[81];
stl_type type;
uint32_t number_of_facets;
stl_vertex max;
stl_vertex min;
stl_vertex size;
float bounding_diameter;
float shortest_edge;
float volume;
int connected_edges;
int connected_facets_1_edge;
int connected_facets_2_edge;
int connected_facets_3_edge;
int facets_w_1_bad_edge;
int facets_w_2_bad_edge;
int facets_w_3_bad_edge;
int original_num_facets;
int edges_fixed;
int degenerate_facets;
int facets_removed;
int facets_added;
int facets_reversed;
int backwards_edges;
int normals_fixed;
int number_of_parts;
};
typedef struct {
int vertex[3];
} v_indices_struct;
struct stl_file {
stl_file() {}
typedef struct {
char header[81];
stl_type type;
uint32_t number_of_facets;
stl_vertex max;
stl_vertex min;
stl_vertex size;
float bounding_diameter;
float shortest_edge;
float volume;
unsigned number_of_blocks;
int connected_edges;
int connected_facets_1_edge;
int connected_facets_2_edge;
int connected_facets_3_edge;
int facets_w_1_bad_edge;
int facets_w_2_bad_edge;
int facets_w_3_bad_edge;
int original_num_facets;
int edges_fixed;
int degenerate_facets;
int facets_removed;
int facets_added;
int facets_reversed;
int backwards_edges;
int normals_fixed;
int number_of_parts;
int malloced;
int freed;
int facets_malloced;
int collisions;
int shared_vertices;
int shared_malloced;
} stl_stats;
void clear() {
this->facet_start.clear();
this->neighbors_start.clear();
this->stats.reset();
}
typedef struct {
FILE *fp;
stl_facet *facet_start;
stl_hash_edge **heads;
stl_hash_edge *tail;
int M;
stl_neighbors *neighbors_start;
v_indices_struct *v_indices;
stl_vertex *v_shared;
stl_stats stats;
char error;
} stl_file;
std::vector<stl_facet> facet_start;
std::vector<stl_neighbors> neighbors_start;
// Statistics
stl_stats stats;
};
struct indexed_triangle_set
{
indexed_triangle_set() {}
extern void stl_open(stl_file *stl, const char *file);
extern void stl_close(stl_file *stl);
void clear() { indices.clear(); vertices.clear(); }
std::vector<stl_triangle_vertex_indices> indices;
std::vector<stl_vertex> vertices;
//FIXME add normals once we get rid of the stl_file from TriangleMesh completely.
//std::vector<stl_normal> normals
};
extern bool stl_open(stl_file *stl, const char *file);
extern void stl_stats_out(stl_file *stl, FILE *file, char *input_file);
extern void stl_print_neighbors(stl_file *stl, char *file);
extern void stl_put_little_int(FILE *fp, int value_in);
extern void stl_put_little_float(FILE *fp, float value_in);
extern void stl_write_ascii(stl_file *stl, const char *file, const char *label);
extern void stl_write_binary(stl_file *stl, const char *file, const char *label);
extern void stl_write_binary_block(stl_file *stl, FILE *fp);
extern bool stl_print_neighbors(stl_file *stl, char *file);
extern bool stl_write_ascii(stl_file *stl, const char *file, const char *label);
extern bool stl_write_binary(stl_file *stl, const char *file, const char *label);
extern void stl_check_facets_exact(stl_file *stl);
extern void stl_check_facets_nearby(stl_file *stl, float tolerance);
extern void stl_remove_unconnected_facets(stl_file *stl);
extern void stl_write_vertex(stl_file *stl, int facet, int vertex);
extern void stl_write_facet(stl_file *stl, char *label, int facet);
extern void stl_write_edge(stl_file *stl, char *label, stl_hash_edge edge);
extern void stl_write_neighbor(stl_file *stl, int facet);
extern void stl_write_quad_object(stl_file *stl, char *file);
extern bool stl_write_quad_object(stl_file *stl, char *file);
extern void stl_verify_neighbors(stl_file *stl);
extern void stl_fill_holes(stl_file *stl);
extern void stl_fix_normal_directions(stl_file *stl);
@ -186,36 +178,30 @@ extern void stl_get_size(stl_file *stl);
template<typename T>
extern void stl_transform(stl_file *stl, T *trafo3x4)
{
if (stl->error)
return;
for (uint32_t i_face = 0; i_face < stl->stats.number_of_facets; ++ i_face) {
stl_facet &face = stl->facet_start[i_face];
for (int i_vertex = 0; i_vertex < 3; ++ i_vertex) {
stl_vertex &v_dst = face.vertex[i_vertex];
stl_vertex v_src = v_dst;
v_dst(0) = T(trafo3x4[0] * v_src(0) + trafo3x4[1] * v_src(1) + trafo3x4[2] * v_src(2) + trafo3x4[3]);
v_dst(1) = T(trafo3x4[4] * v_src(0) + trafo3x4[5] * v_src(1) + trafo3x4[6] * v_src(2) + trafo3x4[7]);
v_dst(2) = T(trafo3x4[8] * v_src(0) + trafo3x4[9] * v_src(1) + trafo3x4[10] * v_src(2) + trafo3x4[11]);
}
stl_vertex &v_dst = face.normal;
stl_vertex v_src = v_dst;
v_dst(0) = T(trafo3x4[0] * v_src(0) + trafo3x4[1] * v_src(1) + trafo3x4[2] * v_src(2));
v_dst(1) = T(trafo3x4[4] * v_src(0) + trafo3x4[5] * v_src(1) + trafo3x4[6] * v_src(2));
v_dst(2) = T(trafo3x4[8] * v_src(0) + trafo3x4[9] * v_src(1) + trafo3x4[10] * v_src(2));
}
for (uint32_t i_face = 0; i_face < stl->stats.number_of_facets; ++ i_face) {
stl_facet &face = stl->facet_start[i_face];
for (int i_vertex = 0; i_vertex < 3; ++ i_vertex) {
stl_vertex &v_dst = face.vertex[i_vertex];
stl_vertex v_src = v_dst;
v_dst(0) = T(trafo3x4[0] * v_src(0) + trafo3x4[1] * v_src(1) + trafo3x4[2] * v_src(2) + trafo3x4[3]);
v_dst(1) = T(trafo3x4[4] * v_src(0) + trafo3x4[5] * v_src(1) + trafo3x4[6] * v_src(2) + trafo3x4[7]);
v_dst(2) = T(trafo3x4[8] * v_src(0) + trafo3x4[9] * v_src(1) + trafo3x4[10] * v_src(2) + trafo3x4[11]);
}
stl_vertex &v_dst = face.normal;
stl_vertex v_src = v_dst;
v_dst(0) = T(trafo3x4[0] * v_src(0) + trafo3x4[1] * v_src(1) + trafo3x4[2] * v_src(2));
v_dst(1) = T(trafo3x4[4] * v_src(0) + trafo3x4[5] * v_src(1) + trafo3x4[6] * v_src(2));
v_dst(2) = T(trafo3x4[8] * v_src(0) + trafo3x4[9] * v_src(1) + trafo3x4[10] * v_src(2));
}
stl_get_size(stl);
stl_get_size(stl);
}
template<typename T>
inline void stl_transform(stl_file *stl, const Eigen::Transform<T, 3, Eigen::Affine, Eigen::DontAlign>& t)
{
if (stl->error)
return;
const Eigen::Matrix<double, 3, 3, Eigen::DontAlign> r = t.matrix().template block<3, 3>(0, 0);
for (size_t i = 0; i < stl->stats.number_of_facets; ++i) {
for (size_t i = 0; i < stl->stats.number_of_facets; ++ i) {
stl_facet &f = stl->facet_start[i];
for (size_t j = 0; j < 3; ++j)
f.vertex[j] = (t * f.vertex[j].template cast<T>()).template cast<float>().eval();
@ -228,10 +214,7 @@ inline void stl_transform(stl_file *stl, const Eigen::Transform<T, 3, Eigen::Aff
template<typename T>
inline void stl_transform(stl_file *stl, const Eigen::Matrix<T, 3, 3, Eigen::DontAlign>& m)
{
if (stl->error)
return;
for (size_t i = 0; i < stl->stats.number_of_facets; ++i) {
for (size_t i = 0; i < stl->stats.number_of_facets; ++ i) {
stl_facet &f = stl->facet_start[i];
for (size_t j = 0; j < 3; ++j)
f.vertex[j] = (m * f.vertex[j].template cast<T>()).template cast<float>().eval();
@ -241,13 +224,43 @@ inline void stl_transform(stl_file *stl, const Eigen::Matrix<T, 3, 3, Eigen::Don
stl_get_size(stl);
}
extern void stl_open_merge(stl_file *stl, char *file);
extern void stl_invalidate_shared_vertices(stl_file *stl);
extern void stl_generate_shared_vertices(stl_file *stl);
extern void stl_write_obj(stl_file *stl, const char *file);
extern void stl_write_off(stl_file *stl, const char *file);
extern void stl_write_dxf(stl_file *stl, const char *file, char *label);
extern void stl_write_vrml(stl_file *stl, const char *file);
template<typename T>
extern void its_transform(indexed_triangle_set &its, T *trafo3x4)
{
for (stl_vertex &v_dst : its.vertices) {
stl_vertex v_src = v_dst;
v_dst(0) = T(trafo3x4[0] * v_src(0) + trafo3x4[1] * v_src(1) + trafo3x4[2] * v_src(2) + trafo3x4[3]);
v_dst(1) = T(trafo3x4[4] * v_src(0) + trafo3x4[5] * v_src(1) + trafo3x4[6] * v_src(2) + trafo3x4[7]);
v_dst(2) = T(trafo3x4[8] * v_src(0) + trafo3x4[9] * v_src(1) + trafo3x4[10] * v_src(2) + trafo3x4[11]);
}
}
template<typename T>
inline void its_transform(indexed_triangle_set &its, const Eigen::Transform<T, 3, Eigen::Affine, Eigen::DontAlign>& t)
{
const Eigen::Matrix<double, 3, 3, Eigen::DontAlign> r = t.matrix().template block<3, 3>(0, 0);
for (stl_vertex &v : its.vertices)
v = (t * v.template cast<T>()).template cast<float>().eval();
}
template<typename T>
inline void its_transform(indexed_triangle_set &its, const Eigen::Matrix<T, 3, 3, Eigen::DontAlign>& m)
{
for (stl_vertex &v : its.vertices)
v = (m * v.template cast<T>()).template cast<float>().eval();
}
extern void its_rotate_x(indexed_triangle_set &its, float angle);
extern void its_rotate_y(indexed_triangle_set &its, float angle);
extern void its_rotate_z(indexed_triangle_set &its, float angle);
extern void stl_generate_shared_vertices(stl_file *stl, indexed_triangle_set &its);
extern bool its_write_obj(const indexed_triangle_set &its, const char *file);
extern bool its_write_off(const indexed_triangle_set &its, const char *file);
extern bool its_write_vrml(const indexed_triangle_set &its, const char *file);
extern bool stl_write_dxf(stl_file *stl, const char *file, char *label);
inline void stl_calculate_normal(stl_normal &normal, stl_facet *facet) {
normal = (facet->vertex[1] - facet->vertex[0]).cross(facet->vertex[2] - facet->vertex[0]);
}
@ -258,24 +271,18 @@ inline void stl_normalize_vector(stl_normal &normal) {
else
normal *= float(1.0 / length);
}
inline bool stl_vertex_lower(const stl_vertex &a, const stl_vertex &b) {
return (a(0) != b(0)) ? (a(0) < b(0)) :
((a(1) != b(1)) ? (a(1) < b(1)) : (a(2) < b(2)));
}
extern void stl_calculate_volume(stl_file *stl);
extern void stl_repair(stl_file *stl, int fixall_flag, int exact_flag, int tolerance_flag, float tolerance, int increment_flag, float increment, int nearby_flag, int iterations, int remove_unconnected_flag, int fill_holes_flag, int normal_directions_flag, int normal_values_flag, int reverse_all_flag, int verbose_flag);
extern void stl_repair(stl_file *stl, bool fixall_flag, bool exact_flag, bool tolerance_flag, float tolerance, bool increment_flag, float increment, bool nearby_flag, int iterations, bool remove_unconnected_flag, bool fill_holes_flag, bool normal_directions_flag, bool normal_values_flag, bool reverse_all_flag, bool verbose_flag);
extern void stl_initialize(stl_file *stl);
extern void stl_count_facets(stl_file *stl, const char *file);
extern void stl_allocate(stl_file *stl);
extern void stl_read(stl_file *stl, int first_facet, bool first);
extern void stl_facet_stats(stl_file *stl, stl_facet facet, bool &first);
extern void stl_reallocate(stl_file *stl);
extern void stl_add_facet(stl_file *stl, stl_facet *new_facet);
extern void stl_add_facet(stl_file *stl, const stl_facet *new_facet);
extern void stl_clear_error(stl_file *stl);
extern int stl_get_error(stl_file *stl);
extern void stl_exit_on_error(stl_file *stl);
// Validate the mesh, assert on error.
extern bool stl_validate(const stl_file *stl);
extern bool stl_validate(const stl_file *stl, const indexed_triangle_set &its);
#endif

513
src/admesh/stl_io.cpp
View file

@ -22,159 +22,86 @@
#include <stdlib.h>
#include <string.h>
#include <boost/log/trivial.hpp>
#include <boost/nowide/cstdio.hpp>
#include <boost/predef/other/endian.h>
#include "stl.h"
#include <boost/nowide/cstdio.hpp>
#include <boost/detail/endian.hpp>
#if !defined(SEEK_SET)
#define SEEK_SET 0
#define SEEK_CUR 1
#define SEEK_END 2
#endif
void
stl_stats_out(stl_file *stl, FILE *file, char *input_file) {
if (stl->error) return;
/* this is here for Slic3r, without our config.h
it won't use this part of the code anyway */
void stl_stats_out(stl_file *stl, FILE *file, char *input_file)
{
// This is here for Slic3r, without our config.h it won't use this part of the code anyway.
#ifndef VERSION
#define VERSION "unknown"
#endif
fprintf(file, "\n\
================= Results produced by ADMesh version " VERSION " ================\n");
fprintf(file, "\
Input file : %s\n", input_file);
if(stl->stats.type == binary) {
fprintf(file, "\
File type : Binary STL file\n");
} else {
fprintf(file, "\
File type : ASCII STL file\n");
}
fprintf(file, "\
Header : %s\n", stl->stats.header);
fprintf(file, "============== Size ==============\n");
fprintf(file, "Min X = % f, Max X = % f\n",
stl->stats.min(0), stl->stats.max(0));
fprintf(file, "Min Y = % f, Max Y = % f\n",
stl->stats.min(1), stl->stats.max(1));
fprintf(file, "Min Z = % f, Max Z = % f\n",
stl->stats.min(2), stl->stats.max(2));
fprintf(file, "\
========= Facet Status ========== Original ============ Final ====\n");
fprintf(file, "\
Number of facets : %5d %5d\n",
stl->stats.original_num_facets, stl->stats.number_of_facets);
fprintf(file, "\
Facets with 1 disconnected edge : %5d %5d\n",
stl->stats.facets_w_1_bad_edge, stl->stats.connected_facets_2_edge -
stl->stats.connected_facets_3_edge);
fprintf(file, "\
Facets with 2 disconnected edges : %5d %5d\n",
stl->stats.facets_w_2_bad_edge, stl->stats.connected_facets_1_edge -
stl->stats.connected_facets_2_edge);
fprintf(file, "\
Facets with 3 disconnected edges : %5d %5d\n",
stl->stats.facets_w_3_bad_edge, stl->stats.number_of_facets -
stl->stats.connected_facets_1_edge);
fprintf(file, "\
Total disconnected facets : %5d %5d\n",
stl->stats.facets_w_1_bad_edge + stl->stats.facets_w_2_bad_edge +
stl->stats.facets_w_3_bad_edge, stl->stats.number_of_facets -
stl->stats.connected_facets_3_edge);
fprintf(file,
"=== Processing Statistics === ===== Other Statistics =====\n");
fprintf(file, "\
Number of parts : %5d Volume : % f\n",
stl->stats.number_of_parts, stl->stats.volume);
fprintf(file, "\
Degenerate facets : %5d\n", stl->stats.degenerate_facets);
fprintf(file, "\
Edges fixed : %5d\n", stl->stats.edges_fixed);
fprintf(file, "\
Facets removed : %5d\n", stl->stats.facets_removed);
fprintf(file, "\
Facets added : %5d\n", stl->stats.facets_added);
fprintf(file, "\
Facets reversed : %5d\n", stl->stats.facets_reversed);
fprintf(file, "\
Backwards edges : %5d\n", stl->stats.backwards_edges);
fprintf(file, "\
Normals fixed : %5d\n", stl->stats.normals_fixed);
fprintf(file, "\n================= Results produced by ADMesh version " VERSION " ================\n");
fprintf(file, "Input file : %s\n", input_file);
if (stl->stats.type == binary)
fprintf(file, "File type : Binary STL file\n");
else
fprintf(file, "File type : ASCII STL file\n");
fprintf(file, "Header : %s\n", stl->stats.header);
fprintf(file, "============== Size ==============\n");
fprintf(file, "Min X = % f, Max X = % f\n", stl->stats.min(0), stl->stats.max(0));
fprintf(file, "Min Y = % f, Max Y = % f\n", stl->stats.min(1), stl->stats.max(1));
fprintf(file, "Min Z = % f, Max Z = % f\n", stl->stats.min(2), stl->stats.max(2));
fprintf(file, "========= Facet Status ========== Original ============ Final ====\n");
fprintf(file, "Number of facets : %5d %5d\n", stl->stats.original_num_facets, stl->stats.number_of_facets);
fprintf(file, "Facets with 1 disconnected edge : %5d %5d\n",
stl->stats.facets_w_1_bad_edge, stl->stats.connected_facets_2_edge - stl->stats.connected_facets_3_edge);
fprintf(file, "Facets with 2 disconnected edges : %5d %5d\n",
stl->stats.facets_w_2_bad_edge, stl->stats.connected_facets_1_edge - stl->stats.connected_facets_2_edge);
fprintf(file, "Facets with 3 disconnected edges : %5d %5d\n",
stl->stats.facets_w_3_bad_edge, stl->stats.number_of_facets - stl->stats.connected_facets_1_edge);
fprintf(file, "Total disconnected facets : %5d %5d\n",
stl->stats.facets_w_1_bad_edge + stl->stats.facets_w_2_bad_edge + stl->stats.facets_w_3_bad_edge, stl->stats.number_of_facets - stl->stats.connected_facets_3_edge);
fprintf(file, "=== Processing Statistics === ===== Other Statistics =====\n");
fprintf(file, "Number of parts : %5d Volume : %f\n", stl->stats.number_of_parts, stl->stats.volume);
fprintf(file, "Degenerate facets : %5d\n", stl->stats.degenerate_facets);
fprintf(file, "Edges fixed : %5d\n", stl->stats.edges_fixed);
fprintf(file, "Facets removed : %5d\n", stl->stats.facets_removed);
fprintf(file, "Facets added : %5d\n", stl->stats.facets_added);
fprintf(file, "Facets reversed : %5d\n", stl->stats.facets_reversed);
fprintf(file, "Backwards edges : %5d\n", stl->stats.backwards_edges);
fprintf(file, "Normals fixed : %5d\n", stl->stats.normals_fixed);
}
void
stl_write_ascii(stl_file *stl, const char *file, const char *label) {
int i;
char *error_msg;
bool stl_write_ascii(stl_file *stl, const char *file, const char *label)
{
FILE *fp = boost::nowide::fopen(file, "w");
if (fp == nullptr) {
BOOST_LOG_TRIVIAL(error) << "stl_write_ascii: Couldn't open " << file << " for writing";
return false;
}
if (stl->error) return;
fprintf(fp, "solid %s\n", label);
/* Open the file */
FILE *fp = boost::nowide::fopen(file, "w");
if(fp == NULL) {
error_msg = (char*)
malloc(81 + strlen(file)); /* Allow 80 chars+file size for message */
sprintf(error_msg, "stl_write_ascii: Couldn't open %s for writing",
file);
perror(error_msg);
free(error_msg);
stl->error = 1;
return;
}
for (uint32_t i = 0; i < stl->stats.number_of_facets; ++ i) {
fprintf(fp, " facet normal % .8E % .8E % .8E\n", stl->facet_start[i].normal(0), stl->facet_start[i].normal(1), stl->facet_start[i].normal(2));
fprintf(fp, " outer loop\n");
fprintf(fp, " vertex % .8E % .8E % .8E\n", stl->facet_start[i].vertex[0](0), stl->facet_start[i].vertex[0](1), stl->facet_start[i].vertex[0](2));
fprintf(fp, " vertex % .8E % .8E % .8E\n", stl->facet_start[i].vertex[1](0), stl->facet_start[i].vertex[1](1), stl->facet_start[i].vertex[1](2));
fprintf(fp, " vertex % .8E % .8E % .8E\n", stl->facet_start[i].vertex[2](0), stl->facet_start[i].vertex[2](1), stl->facet_start[i].vertex[2](2));
fprintf(fp, " endloop\n");
fprintf(fp, " endfacet\n");
}
fprintf(fp, "solid %s\n", label);
for(i = 0; i < stl->stats.number_of_facets; i++) {
fprintf(fp, " facet normal % .8E % .8E % .8E\n",
stl->facet_start[i].normal(0), stl->facet_start[i].normal(1),
stl->facet_start[i].normal(2));
fprintf(fp, " outer loop\n");
fprintf(fp, " vertex % .8E % .8E % .8E\n",
stl->facet_start[i].vertex[0](0), stl->facet_start[i].vertex[0](1),
stl->facet_start[i].vertex[0](2));
fprintf(fp, " vertex % .8E % .8E % .8E\n",
stl->facet_start[i].vertex[1](0), stl->facet_start[i].vertex[1](1),
stl->facet_start[i].vertex[1](2));
fprintf(fp, " vertex % .8E % .8E % .8E\n",
stl->facet_start[i].vertex[2](0), stl->facet_start[i].vertex[2](1),
stl->facet_start[i].vertex[2](2));
fprintf(fp, " endloop\n");
fprintf(fp, " endfacet\n");
}
fprintf(fp, "endsolid %s\n", label);
fclose(fp);
fprintf(fp, "endsolid %s\n", label);
fclose(fp);
return true;
}
void
stl_print_neighbors(stl_file *stl, char *file) {
int i;
FILE *fp;
char *error_msg;
bool stl_print_neighbors(stl_file *stl, char *file)
{
FILE *fp = boost::nowide::fopen(file, "w");
if (fp == nullptr) {
BOOST_LOG_TRIVIAL(error) << "stl_print_neighbors: Couldn't open " << file << " for writing";
return false;
}
if (stl->error) return;
/* Open the file */
fp = boost::nowide::fopen(file, "w");
if(fp == NULL) {
error_msg = (char*)
malloc(81 + strlen(file)); /* Allow 80 chars+file size for message */
sprintf(error_msg, "stl_print_neighbors: Couldn't open %s for writing",
file);
perror(error_msg);
free(error_msg);
stl->error = 1;
return;
}
for(i = 0; i < stl->stats.number_of_facets; i++) {
fprintf(fp, "%d, %d,%d, %d,%d, %d,%d\n",
for (uint32_t i = 0; i < stl->stats.number_of_facets; ++ i) {
fprintf(fp, "%d, %d,%d, %d,%d, %d,%d\n",
i,
stl->neighbors_start[i].neighbor[0],
(int)stl->neighbors_start[i].which_vertex_not[0],
@ -182,234 +109,142 @@ stl_print_neighbors(stl_file *stl, char *file) {
(int)stl->neighbors_start[i].which_vertex_not[1],
stl->neighbors_start[i].neighbor[2],
(int)stl->neighbors_start[i].which_vertex_not[2]);
}
fclose(fp);
}
fclose(fp);
return true;
}
#ifndef BOOST_LITTLE_ENDIAN
#if BOOST_ENDIAN_BIG_BYTE
// Swap a buffer of 32bit data from little endian to big endian and vice versa.
void stl_internal_reverse_quads(char *buf, size_t cnt)
{
for (size_t i = 0; i < cnt; i += 4) {
std::swap(buf[i], buf[i+3]);
std::swap(buf[i+1], buf[i+2]);
}
for (size_t i = 0; i < cnt; i += 4) {
std::swap(buf[i], buf[i+3]);
std::swap(buf[i+1], buf[i+2]);
}
}
#endif
void
stl_write_binary(stl_file *stl, const char *file, const char *label) {
FILE *fp;
int i;
char *error_msg;
bool stl_write_binary(stl_file *stl, const char *file, const char *label)
{
FILE *fp = boost::nowide::fopen(file, "wb");
if (fp == nullptr) {
BOOST_LOG_TRIVIAL(error) << "stl_write_binary: Couldn't open " << file << " for writing";
return false;
}
if (stl->error) return;
fprintf(fp, "%s", label);
for (size_t i = strlen(label); i < LABEL_SIZE; ++ i)
putc(0, fp);
/* Open the file */
fp = boost::nowide::fopen(file, "wb");
if(fp == NULL) {
error_msg = (char*)
malloc(81 + strlen(file)); /* Allow 80 chars+file size for message */
sprintf(error_msg, "stl_write_binary: Couldn't open %s for writing",
file);
perror(error_msg);
free(error_msg);
stl->error = 1;
return;
}
fprintf(fp, "%s", label);
for(i = strlen(label); i < LABEL_SIZE; i++) putc(0, fp);
fseek(fp, LABEL_SIZE, SEEK_SET);
#ifdef BOOST_LITTLE_ENDIAN
fwrite(&stl->stats.number_of_facets, 4, 1, fp);
for (i = 0; i < stl->stats.number_of_facets; ++ i)
fwrite(stl->facet_start + i, SIZEOF_STL_FACET, 1, fp);
#else /* BOOST_LITTLE_ENDIAN */
char buffer[50];
// Convert the number of facets to little endian.
memcpy(buffer, &stl->stats.number_of_facets, 4);
stl_internal_reverse_quads(buffer, 4);
fwrite(buffer, 4, 1, fp);
for (i = 0; i < stl->stats.number_of_facets; ++ i) {
memcpy(buffer, stl->facet_start + i, 50);
// Convert to little endian.
stl_internal_reverse_quads(buffer, 48);
fwrite(buffer, SIZEOF_STL_FACET, 1, fp);
}
#endif /* BOOST_LITTLE_ENDIAN */
fclose(fp);
#if !defined(SEEK_SET)
#define SEEK_SET 0
#endif
fseek(fp, LABEL_SIZE, SEEK_SET);
#if BOOST_ENDIAN_LITTLE_BYTE
fwrite(&stl->stats.number_of_facets, 4, 1, fp);
for (const stl_facet &facet : stl->facet_start)
fwrite(&facet, SIZEOF_STL_FACET, 1, fp);
#else /* BOOST_ENDIAN_LITTLE_BYTE */
char buffer[50];
// Convert the number of facets to little endian.
memcpy(buffer, &stl->stats.number_of_facets, 4);
stl_internal_reverse_quads(buffer, 4);
fwrite(buffer, 4, 1, fp);
for (i = 0; i < stl->stats.number_of_facets; ++ i) {
memcpy(buffer, stl->facet_start + i, 50);
// Convert to little endian.
stl_internal_reverse_quads(buffer, 48);
fwrite(buffer, SIZEOF_STL_FACET, 1, fp);
}
#endif /* BOOST_ENDIAN_LITTLE_BYTE */
fclose(fp);
return true;
}
void
stl_write_vertex(stl_file *stl, int facet, int vertex) {
if (stl->error) return;
printf(" vertex %d/%d % .8E % .8E % .8E\n", vertex, facet,
void stl_write_vertex(stl_file *stl, int facet, int vertex)
{
printf(" vertex %d/%d % .8E % .8E % .8E\n", vertex, facet,
stl->facet_start[facet].vertex[vertex](0),
stl->facet_start[facet].vertex[vertex](1),
stl->facet_start[facet].vertex[vertex](2));
}
void
stl_write_facet(stl_file *stl, char *label, int facet) {
if (stl->error) return;
printf("facet (%d)/ %s\n", facet, label);
stl_write_vertex(stl, facet, 0);
stl_write_vertex(stl, facet, 1);
stl_write_vertex(stl, facet, 2);
void stl_write_facet(stl_file *stl, char *label, int facet)
{
printf("facet (%d)/ %s\n", facet, label);
stl_write_vertex(stl, facet, 0);
stl_write_vertex(stl, facet, 1);
stl_write_vertex(stl, facet, 2);
}
void
stl_write_edge(stl_file *stl, char *label, stl_hash_edge edge) {
if (stl->error) return;
printf("edge (%d)/(%d) %s\n", edge.facet_number, edge.which_edge, label);
if(edge.which_edge < 3) {
stl_write_vertex(stl, edge.facet_number, edge.which_edge % 3);
stl_write_vertex(stl, edge.facet_number, (edge.which_edge + 1) % 3);
} else {
stl_write_vertex(stl, edge.facet_number, (edge.which_edge + 1) % 3);
stl_write_vertex(stl, edge.facet_number, edge.which_edge % 3);
}
void stl_write_neighbor(stl_file *stl, int facet)
{
printf("Neighbors %d: %d, %d, %d ; %d, %d, %d\n", facet,
stl->neighbors_start[facet].neighbor[0],
stl->neighbors_start[facet].neighbor[1],
stl->neighbors_start[facet].neighbor[2],
stl->neighbors_start[facet].which_vertex_not[0],
stl->neighbors_start[facet].which_vertex_not[1],
stl->neighbors_start[facet].which_vertex_not[2]);
}
void
stl_write_neighbor(stl_file *stl, int facet) {
if (stl->error) return;
printf("Neighbors %d: %d, %d, %d ; %d, %d, %d\n", facet,
stl->neighbors_start[facet].neighbor[0],
stl->neighbors_start[facet].neighbor[1],
stl->neighbors_start[facet].neighbor[2],
stl->neighbors_start[facet].which_vertex_not[0],
stl->neighbors_start[facet].which_vertex_not[1],
stl->neighbors_start[facet].which_vertex_not[2]);
}
bool stl_write_quad_object(stl_file *stl, char *file)
{
stl_vertex connect_color = stl_vertex::Zero();
stl_vertex uncon_1_color = stl_vertex::Zero();
stl_vertex uncon_2_color = stl_vertex::Zero();
stl_vertex uncon_3_color = stl_vertex::Zero();
stl_vertex color;
void
stl_write_quad_object(stl_file *stl, char *file) {
FILE *fp;
int i;
int j;
char *error_msg;
stl_vertex connect_color = stl_vertex::Zero();
stl_vertex uncon_1_color = stl_vertex::Zero();
stl_vertex uncon_2_color = stl_vertex::Zero();
stl_vertex uncon_3_color = stl_vertex::Zero();
stl_vertex color;
FILE *fp = boost::nowide::fopen(file, "w");
if (fp == nullptr) {
BOOST_LOG_TRIVIAL(error) << "stl_write_quad_object: Couldn't open " << file << " for writing";
return false;
}
if (stl->error) return;
/* Open the file */
fp = boost::nowide::fopen(file, "w");
if(fp == NULL) {
error_msg = (char*)
malloc(81 + strlen(file)); /* Allow 80 chars+file size for message */
sprintf(error_msg, "stl_write_quad_object: Couldn't open %s for writing",
file);
perror(error_msg);
free(error_msg);
stl->error = 1;
return;
}
fprintf(fp, "CQUAD\n");
for(i = 0; i < stl->stats.number_of_facets; i++) {
j = ((stl->neighbors_start[i].neighbor[0] == -1) +
(stl->neighbors_start[i].neighbor[1] == -1) +
(stl->neighbors_start[i].neighbor[2] == -1));
if(j == 0) {
color = connect_color;
} else if(j == 1) {
color = uncon_1_color;
} else if(j == 2) {
color = uncon_2_color;
} else {
color = uncon_3_color;
}
fprintf(fp, "%f %f %f %1.1f %1.1f %1.1f 1\n",
stl->facet_start[i].vertex[0](0),
stl->facet_start[i].vertex[0](1),
stl->facet_start[i].vertex[0](2), color(0), color(1), color(2));
fprintf(fp, "%f %f %f %1.1f %1.1f %1.1f 1\n",
stl->facet_start[i].vertex[1](0),
stl->facet_start[i].vertex[1](1),
stl->facet_start[i].vertex[1](2), color(0), color(1), color(2));
fprintf(fp, "%f %f %f %1.1f %1.1f %1.1f 1\n",
stl->facet_start[i].vertex[2](0),
stl->facet_start[i].vertex[2](1),
stl->facet_start[i].vertex[2](2), color(0), color(1), color(2));
fprintf(fp, "%f %f %f %1.1f %1.1f %1.1f 1\n",
stl->facet_start[i].vertex[2](0),
stl->facet_start[i].vertex[2](1),
stl->facet_start[i].vertex[2](2), color(0), color(1), color(2));
fprintf(fp, "CQUAD\n");
for (uint32_t i = 0; i < stl->stats.number_of_facets; ++ i) {
switch (stl->neighbors_start[i].num_neighbors_missing()) {
case 0: color = connect_color; break;
case 1: color = uncon_1_color; break;
case 2: color = uncon_2_color; break;
default: color = uncon_3_color;
}
fprintf(fp, "%f %f %f %1.1f %1.1f %1.1f 1\n", stl->facet_start[i].vertex[0](0), stl->facet_start[i].vertex[0](1), stl->facet_start[i].vertex[0](2), color(0), color(1), color(2));
fprintf(fp, "%f %f %f %1.1f %1.1f %1.1f 1\n", stl->facet_start[i].vertex[1](0), stl->facet_start[i].vertex[1](1), stl->facet_start[i].vertex[1](2), color(0), color(1), color(2));
fprintf(fp, "%f %f %f %1.1f %1.1f %1.1f 1\n", stl->facet_start[i].vertex[2](0), stl->facet_start[i].vertex[2](1), stl->facet_start[i].vertex[2](2), color(0), color(1), color(2));
fprintf(fp, "%f %f %f %1.1f %1.1f %1.1f 1\n", stl->facet_start[i].vertex[2](0), stl->facet_start[i].vertex[2](1), stl->facet_start[i].vertex[2](2), color(0), color(1), color(2));
}
fclose(fp);
return true;
}
void
stl_write_dxf(stl_file *stl, const char *file, char *label) {
int i;
FILE *fp;
char *error_msg;
bool stl_write_dxf(stl_file *stl, const char *file, char *label)
{
FILE *fp = boost::nowide::fopen(file, "w");
if (fp == nullptr) {
BOOST_LOG_TRIVIAL(error) << "stl_write_quad_object: Couldn't open " << file << " for writing";
return false;
}
if (stl->error) return;
fprintf(fp, "999\n%s\n", label);
fprintf(fp, "0\nSECTION\n2\nHEADER\n0\nENDSEC\n");
fprintf(fp, "0\nSECTION\n2\nTABLES\n0\nTABLE\n2\nLAYER\n70\n1\n\
0\nLAYER\n2\n0\n70\n0\n62\n7\n6\nCONTINUOUS\n0\nENDTAB\n0\nENDSEC\n");
fprintf(fp, "0\nSECTION\n2\nBLOCKS\n0\nENDSEC\n");
/* Open the file */
fp = boost::nowide::fopen(file, "w");
if(fp == NULL) {
error_msg = (char*)
malloc(81 + strlen(file)); /* Allow 80 chars+file size for message */
sprintf(error_msg, "stl_write_ascii: Couldn't open %s for writing",
file);
perror(error_msg);
free(error_msg);
stl->error = 1;
return;
}
fprintf(fp, "0\nSECTION\n2\nENTITIES\n");
fprintf(fp, "999\n%s\n", label);
fprintf(fp, "0\nSECTION\n2\nHEADER\n0\nENDSEC\n");
fprintf(fp, "0\nSECTION\n2\nTABLES\n0\nTABLE\n2\nLAYER\n70\n1\n\
0\nLAYER\n2\n0\n70\n0\n62\n7\n6\nCONTINUOUS\n0\nENDTAB\n0\nENDSEC\n");
fprintf(fp, "0\nSECTION\n2\nBLOCKS\n0\nENDSEC\n");
for (uint32_t i = 0; i < stl->stats.number_of_facets; ++ i) {
fprintf(fp, "0\n3DFACE\n8\n0\n");
fprintf(fp, "10\n%f\n20\n%f\n30\n%f\n", stl->facet_start[i].vertex[0](0), stl->facet_start[i].vertex[0](1), stl->facet_start[i].vertex[0](2));
fprintf(fp, "11\n%f\n21\n%f\n31\n%f\n", stl->facet_start[i].vertex[1](0), stl->facet_start[i].vertex[1](1), stl->facet_start[i].vertex[1](2));
fprintf(fp, "12\n%f\n22\n%f\n32\n%f\n", stl->facet_start[i].vertex[2](0), stl->facet_start[i].vertex[2](1), stl->facet_start[i].vertex[2](2));
fprintf(fp, "13\n%f\n23\n%f\n33\n%f\n", stl->facet_start[i].vertex[2](0), stl->facet_start[i].vertex[2](1), stl->facet_start[i].vertex[2](2));
}
fprintf(fp, "0\nSECTION\n2\nENTITIES\n");
for(i = 0; i < stl->stats.number_of_facets; i++) {
fprintf(fp, "0\n3DFACE\n8\n0\n");
fprintf(fp, "10\n%f\n20\n%f\n30\n%f\n",
stl->facet_start[i].vertex[0](0), stl->facet_start[i].vertex[0](1),
stl->facet_start[i].vertex[0](2));
fprintf(fp, "11\n%f\n21\n%f\n31\n%f\n",
stl->facet_start[i].vertex[1](0), stl->facet_start[i].vertex[1](1),
stl->facet_start[i].vertex[1](2));
fprintf(fp, "12\n%f\n22\n%f\n32\n%f\n",
stl->facet_start[i].vertex[2](0), stl->facet_start[i].vertex[2](1),
stl->facet_start[i].vertex[2](2));
fprintf(fp, "13\n%f\n23\n%f\n33\n%f\n",
stl->facet_start[i].vertex[2](0), stl->facet_start[i].vertex[2](1),
stl->facet_start[i].vertex[2](2));
}
fprintf(fp, "0\nENDSEC\n0\nEOF\n");
fclose(fp);
}
void
stl_clear_error(stl_file *stl) {
stl->error = 0;
}
void
stl_exit_on_error(stl_file *stl) {
if (!stl->error) return;
stl->error = 0;
stl_close(stl);
exit(1);
}
int
stl_get_error(stl_file *stl) {
return stl->error;
fprintf(fp, "0\nENDSEC\n0\nEOF\n");
fclose(fp);
return true;
}

548
src/admesh/stlinit.cpp
View file

@ -26,6 +26,7 @@
#include <math.h>
#include <assert.h>
#include <boost/log/trivial.hpp>
#include <boost/nowide/cstdio.hpp>
#include <boost/detail/endian.hpp>
@ -35,351 +36,236 @@
#error "SEEK_SET not defined"
#endif
void
stl_open(stl_file *stl, const char *file) {
stl_initialize(stl);
stl_count_facets(stl, file);
stl_allocate(stl);
stl_read(stl, 0, true);
if (stl->fp != nullptr) {
fclose(stl->fp);
stl->fp = nullptr;
}
static FILE* stl_open_count_facets(stl_file *stl, const char *file)
{
// Open the file in binary mode first.
FILE *fp = boost::nowide::fopen(file, "rb");
if (fp == nullptr) {
BOOST_LOG_TRIVIAL(error) << "stl_open_count_facets: Couldn't open " << file << " for reading";
return nullptr;
}
// Find size of file.
fseek(fp, 0, SEEK_END);
long file_size = ftell(fp);
// Check for binary or ASCII file.
fseek(fp, HEADER_SIZE, SEEK_SET);
unsigned char chtest[128];
if (! fread(chtest, sizeof(chtest), 1, fp)) {
BOOST_LOG_TRIVIAL(error) << "stl_open_count_facets: The input is an empty file: " << file;
fclose(fp);
return nullptr;
}
stl->stats.type = ascii;
for (size_t s = 0; s < sizeof(chtest); s++) {
if (chtest[s] > 127) {
stl->stats.type = binary;
break;
}
}
rewind(fp);
uint32_t num_facets = 0;
// Get the header and the number of facets in the .STL file.
// If the .STL file is binary, then do the following:
if (stl->stats.type == binary) {
// Test if the STL file has the right size.
if (((file_size - HEADER_SIZE) % SIZEOF_STL_FACET != 0) || (file_size < STL_MIN_FILE_SIZE)) {
BOOST_LOG_TRIVIAL(error) << "stl_open_count_facets: The file " << file << " has the wrong size.";
fclose(fp);
return nullptr;
}
num_facets = (file_size - HEADER_SIZE) / SIZEOF_STL_FACET;
// Read the header.
if (fread(stl->stats.header, LABEL_SIZE, 1, fp) > 79)
stl->stats.header[80] = '\0';
// Read the int following the header. This should contain # of facets.
uint32_t header_num_facets;
bool header_num_faces_read = fread(&header_num_facets, sizeof(uint32_t), 1, fp) != 0;
#ifndef BOOST_LITTLE_ENDIAN
// Convert from little endian to big endian.
stl_internal_reverse_quads((char*)&header_num_facets, 4);
#endif /* BOOST_LITTLE_ENDIAN */
if (! header_num_faces_read || num_facets != header_num_facets)
BOOST_LOG_TRIVIAL(info) << "stl_open_count_facets: Warning: File size doesn't match number of facets in the header: " << file;
}
// Otherwise, if the .STL file is ASCII, then do the following:
else
{
// Reopen the file in text mode (for getting correct newlines on Windows)
// fix to silence a warning about unused return value.
// obviously if it fails we have problems....
fp = boost::nowide::freopen(file, "r", fp);
// do another null check to be safe
if (fp == nullptr) {
BOOST_LOG_TRIVIAL(error) << "stl_open_count_facets: Couldn't open " << file << " for reading";
fclose(fp);
return nullptr;
}
// Find the number of facets.
char linebuf[100];
int num_lines = 1;
while (fgets(linebuf, 100, fp) != nullptr) {
// Don't count short lines.
if (strlen(linebuf) <= 4)
continue;
// Skip solid/endsolid lines as broken STL file generators may put several of them.
if (strncmp(linebuf, "solid", 5) == 0 || strncmp(linebuf, "endsolid", 8) == 0)
continue;
++ num_lines;
}
rewind(fp);
// Get the header.
int i = 0;
for (; i < 80 && (stl->stats.header[i] = getc(fp)) != '\n'; ++ i) ;
stl->stats.header[i] = '\0'; // Lose the '\n'
stl->stats.header[80] = '\0';
num_facets = num_lines / ASCII_LINES_PER_FACET;
}
stl->stats.number_of_facets += num_facets;
stl->stats.original_num_facets = stl->stats.number_of_facets;
return fp;
}
void
stl_initialize(stl_file *stl) {
memset(stl, 0, sizeof(stl_file));
stl->stats.volume = -1.0;
/* Reads the contents of the file pointed to by fp into the stl structure,
starting at facet first_facet. The second argument says if it's our first
time running this for the stl and therefore we should reset our max and min stats. */
static bool stl_read(stl_file *stl, FILE *fp, int first_facet, bool first)
{
if (stl->stats.type == binary)
fseek(fp, HEADER_SIZE, SEEK_SET);
else
rewind(fp);
char normal_buf[3][32];
for (uint32_t i = first_facet; i < stl->stats.number_of_facets; ++ i) {
stl_facet facet;
if (stl->stats.type == binary) {
// Read a single facet from a binary .STL file. We assume little-endian architecture!
if (fread(&facet, 1, SIZEOF_STL_FACET, fp) != SIZEOF_STL_FACET)
return false;
#ifndef BOOST_LITTLE_ENDIAN
// Convert the loaded little endian data to big endian.
stl_internal_reverse_quads((char*)&facet, 48);
#endif /* BOOST_LITTLE_ENDIAN */
} else {
// Read a single facet from an ASCII .STL file
// skip solid/endsolid
// (in this order, otherwise it won't work when they are paired in the middle of a file)
fscanf(fp, "endsolid%*[^\n]\n");
fscanf(fp, "solid%*[^\n]\n"); // name might contain spaces so %*s doesn't work and it also can be empty (just "solid")
// Leading space in the fscanf format skips all leading white spaces including numerous new lines and tabs.
int res_normal = fscanf(fp, " facet normal %31s %31s %31s", normal_buf[0], normal_buf[1], normal_buf[2]);
assert(res_normal == 3);
int res_outer_loop = fscanf(fp, " outer loop");
assert(res_outer_loop == 0);
int res_vertex1 = fscanf(fp, " vertex %f %f %f", &facet.vertex[0](0), &facet.vertex[0](1), &facet.vertex[0](2));
assert(res_vertex1 == 3);
int res_vertex2 = fscanf(fp, " vertex %f %f %f", &facet.vertex[1](0), &facet.vertex[1](1), &facet.vertex[1](2));
assert(res_vertex2 == 3);
int res_vertex3 = fscanf(fp, " vertex %f %f %f", &facet.vertex[2](0), &facet.vertex[2](1), &facet.vertex[2](2));
assert(res_vertex3 == 3);
int res_endloop = fscanf(fp, " endloop");
assert(res_endloop == 0);
// There is a leading and trailing white space around endfacet to eat up all leading and trailing white spaces including numerous tabs and new lines.
int res_endfacet = fscanf(fp, " endfacet ");
if (res_normal != 3 || res_outer_loop != 0 || res_vertex1 != 3 || res_vertex2 != 3 || res_vertex3 != 3 || res_endloop != 0 || res_endfacet != 0) {
BOOST_LOG_TRIVIAL(error) << "Something is syntactically very wrong with this ASCII STL! ";
return false;
}
// The facet normal has been parsed as a single string as to workaround for not a numbers in the normal definition.
if (sscanf(normal_buf[0], "%f", &facet.normal(0)) != 1 ||
sscanf(normal_buf[1], "%f", &facet.normal(1)) != 1 ||
sscanf(normal_buf[2], "%f", &facet.normal(2)) != 1) {
// Normal was mangled. Maybe denormals or "not a number" were stored?
// Just reset the normal and silently ignore it.
memset(&facet.normal, 0, sizeof(facet.normal));
}
}
#if 0
// Report close to zero vertex coordinates. Due to the nature of the floating point numbers,
// close to zero values may be represented with singificantly higher precision than the rest of the vertices.
// It may be worth to round these numbers to zero during loading to reduce the number of errors reported
// during the STL import.
for (size_t j = 0; j < 3; ++ j) {
if (facet.vertex[j](0) > -1e-12f && facet.vertex[j](0) < 1e-12f)
printf("stl_read: facet %d(0) = %e\r\n", j, facet.vertex[j](0));
if (facet.vertex[j](1) > -1e-12f && facet.vertex[j](1) < 1e-12f)
printf("stl_read: facet %d(1) = %e\r\n", j, facet.vertex[j](1));
if (facet.vertex[j](2) > -1e-12f && facet.vertex[j](2) < 1e-12f)
printf("stl_read: facet %d(2) = %e\r\n", j, facet.vertex[j](2));
}
#endif
// Write the facet into memory.
stl->facet_start[i] = facet;
stl_facet_stats(stl, facet, first);
}
stl->stats.size = stl->stats.max - stl->stats.min;
stl->stats.bounding_diameter = stl->stats.size.norm();
return true;
}
bool stl_open(stl_file *stl, const char *file)
{
stl->clear();
FILE *fp = stl_open_count_facets(stl, file);
if (fp == nullptr)
return false;
stl_allocate(stl);
bool result = stl_read(stl, fp, 0, true);
fclose(fp);
return result;
}
#ifndef BOOST_LITTLE_ENDIAN
extern void stl_internal_reverse_quads(char *buf, size_t cnt);
#endif /* BOOST_LITTLE_ENDIAN */
void
stl_count_facets(stl_file *stl, const char *file) {
long file_size;
uint32_t header_num_facets;
uint32_t num_facets;
int i;
size_t s;
unsigned char chtest[128];
int num_lines = 1;
char *error_msg;
if (stl->error) return;
/* Open the file in binary mode first */
stl->fp = boost::nowide::fopen(file, "rb");
if(stl->fp == NULL) {
error_msg = (char*)
malloc(81 + strlen(file)); /* Allow 80 chars+file size for message */
sprintf(error_msg, "stl_initialize: Couldn't open %s for reading",
file);
perror(error_msg);
free(error_msg);
stl->error = 1;
return;
}
/* Find size of file */
fseek(stl->fp, 0, SEEK_END);
file_size = ftell(stl->fp);
/* Check for binary or ASCII file */
fseek(stl->fp, HEADER_SIZE, SEEK_SET);
if (!fread(chtest, sizeof(chtest), 1, stl->fp)) {
perror("The input is an empty file");
stl->error = 1;
return;
}
stl->stats.type = ascii;
for(s = 0; s < sizeof(chtest); s++) {
if(chtest[s] > 127) {
stl->stats.type = binary;
break;
}
}
rewind(stl->fp);
/* Get the header and the number of facets in the .STL file */
/* If the .STL file is binary, then do the following */
if(stl->stats.type == binary) {
/* Test if the STL file has the right size */
if(((file_size - HEADER_SIZE) % SIZEOF_STL_FACET != 0)
|| (file_size < STL_MIN_FILE_SIZE)) {
fprintf(stderr, "The file %s has the wrong size.\n", file);
stl->error = 1;
return;
}
num_facets = (file_size - HEADER_SIZE) / SIZEOF_STL_FACET;
/* Read the header */
if (fread(stl->stats.header, LABEL_SIZE, 1, stl->fp) > 79) {
stl->stats.header[80] = '\0';
}
/* Read the int following the header. This should contain # of facets */
bool header_num_faces_read = fread(&header_num_facets, sizeof(uint32_t), 1, stl->fp) != 0;
#ifndef BOOST_LITTLE_ENDIAN
// Convert from little endian to big endian.
stl_internal_reverse_quads((char*)&header_num_facets, 4);
#endif /* BOOST_LITTLE_ENDIAN */
if (! header_num_faces_read || num_facets != header_num_facets) {
fprintf(stderr,
"Warning: File size doesn't match number of facets in the header\n");
}
}
/* Otherwise, if the .STL file is ASCII, then do the following */
else {
/* Reopen the file in text mode (for getting correct newlines on Windows) */
// fix to silence a warning about unused return value.
// obviously if it fails we have problems....
stl->fp = boost::nowide::freopen(file, "r", stl->fp);
// do another null check to be safe
if(stl->fp == NULL) {
error_msg = (char*)
malloc(81 + strlen(file)); /* Allow 80 chars+file size for message */
sprintf(error_msg, "stl_initialize: Couldn't open %s for reading",
file);
perror(error_msg);
free(error_msg);
stl->error = 1;
return;
}
/* Find the number of facets */
char linebuf[100];
while (fgets(linebuf, 100, stl->fp) != NULL) {
/* don't count short lines */
if (strlen(linebuf) <= 4) continue;
/* skip solid/endsolid lines as broken STL file generators may put several of them */
if (strncmp(linebuf, "solid", 5) == 0 || strncmp(linebuf, "endsolid", 8) == 0) continue;
++num_lines;
}
rewind(stl->fp);
/* Get the header */
for(i = 0;
(i < 80) && (stl->stats.header[i] = getc(stl->fp)) != '\n'; i++);
stl->stats.header[i] = '\0'; /* Lose the '\n' */
stl->stats.header[80] = '\0';
num_facets = num_lines / ASCII_LINES_PER_FACET;
}
stl->stats.number_of_facets += num_facets;
stl->stats.original_num_facets = stl->stats.number_of_facets;
void stl_allocate(stl_file *stl)
{
// Allocate memory for the entire .STL file.
stl->facet_start.assign(stl->stats.number_of_facets, stl_facet());
// Allocate memory for the neighbors list.
stl->neighbors_start.assign(stl->stats.number_of_facets, stl_neighbors());
}
void
stl_allocate(stl_file *stl) {
if (stl->error) return;
/* Allocate memory for the entire .STL file */
stl->facet_start = (stl_facet*)calloc(stl->stats.number_of_facets,
sizeof(stl_facet));
if(stl->facet_start == NULL) perror("stl_initialize");
stl->stats.facets_malloced = stl->stats.number_of_facets;
/* Allocate memory for the neighbors list */
stl->neighbors_start = (stl_neighbors*)
calloc(stl->stats.number_of_facets, sizeof(stl_neighbors));
if(stl->facet_start == NULL) perror("stl_initialize");
}
void
stl_open_merge(stl_file *stl, char *file_to_merge) {
int num_facets_so_far;
stl_type origStlType;
FILE *origFp;
stl_file stl_to_merge;
if (stl->error) return;
/* Record how many facets we have so far from the first file. We will start putting
facets in the next position. Since we're 0-indexed, it'l be the same position. */
num_facets_so_far = stl->stats.number_of_facets;
/* Record the file type we started with: */
origStlType=stl->stats.type;
/* Record the file pointer too: */
origFp=stl->fp;
/* Initialize the sturucture with zero stats, header info and sizes: */
stl_initialize(&stl_to_merge);
stl_count_facets(&stl_to_merge, file_to_merge);
/* Copy what we need to into stl so that we can read the file_to_merge directly into it
using stl_read: Save the rest of the valuable info: */
stl->stats.type=stl_to_merge.stats.type;
stl->fp=stl_to_merge.fp;
/* Add the number of facets we already have in stl with what we we found in stl_to_merge but
haven't read yet. */
stl->stats.number_of_facets=num_facets_so_far+stl_to_merge.stats.number_of_facets;
/* Allocate enough room for stl->stats.number_of_facets facets and neighbors: */
stl_reallocate(stl);
/* Read the file to merge directly into stl, adding it to what we have already.
Start at num_facets_so_far, the index to the first unused facet. Also say
that this isn't our first time so we should augment stats like min and max
instead of erasing them. */
stl_read(stl, num_facets_so_far, false);
/* Restore the stl information we overwrote (for stl_read) so that it still accurately
reflects the subject part: */
stl->stats.type=origStlType;
stl->fp=origFp;
}
extern void
stl_reallocate(stl_file *stl) {
if (stl->error) return;
/* Reallocate more memory for the .STL file(s) */
stl->facet_start = (stl_facet*)realloc(stl->facet_start, stl->stats.number_of_facets *
sizeof(stl_facet));
if(stl->facet_start == NULL) perror("stl_initialize");
stl->stats.facets_malloced = stl->stats.number_of_facets;
/* Reallocate more memory for the neighbors list */
stl->neighbors_start = (stl_neighbors*)
realloc(stl->neighbors_start, stl->stats.number_of_facets *
sizeof(stl_neighbors));
if(stl->facet_start == NULL) perror("stl_initialize");
}
/* Reads the contents of the file pointed to by stl->fp into the stl structure,
starting at facet first_facet. The second argument says if it's our first
time running this for the stl and therefore we should reset our max and min stats. */
void stl_read(stl_file *stl, int first_facet, bool first) {
stl_facet facet;
if (stl->error) return;
if(stl->stats.type == binary) {
fseek(stl->fp, HEADER_SIZE, SEEK_SET);
} else {
rewind(stl->fp);
}
char normal_buf[3][32];
for(uint32_t i = first_facet; i < stl->stats.number_of_facets; i++) {
if(stl->stats.type == binary)
/* Read a single facet from a binary .STL file */
{
/* we assume little-endian architecture! */
if (fread(&facet, 1, SIZEOF_STL_FACET, stl->fp) != SIZEOF_STL_FACET) {
stl->error = 1;
return;
}
#ifndef BOOST_LITTLE_ENDIAN
// Convert the loaded little endian data to big endian.
stl_internal_reverse_quads((char*)&facet, 48);
#endif /* BOOST_LITTLE_ENDIAN */
} else
/* Read a single facet from an ASCII .STL file */
{
// skip solid/endsolid
// (in this order, otherwise it won't work when they are paired in the middle of a file)
fscanf(stl->fp, "endsolid%*[^\n]\n");
fscanf(stl->fp, "solid%*[^\n]\n"); // name might contain spaces so %*s doesn't work and it also can be empty (just "solid")
// Leading space in the fscanf format skips all leading white spaces including numerous new lines and tabs.
int res_normal = fscanf(stl->fp, " facet normal %31s %31s %31s", normal_buf[0], normal_buf[1], normal_buf[2]);
assert(res_normal == 3);
int res_outer_loop = fscanf(stl->fp, " outer loop");
assert(res_outer_loop == 0);
int res_vertex1 = fscanf(stl->fp, " vertex %f %f %f", &facet.vertex[0](0), &facet.vertex[0](1), &facet.vertex[0](2));
assert(res_vertex1 == 3);
int res_vertex2 = fscanf(stl->fp, " vertex %f %f %f", &facet.vertex[1](0), &facet.vertex[1](1), &facet.vertex[1](2));
assert(res_vertex2 == 3);
int res_vertex3 = fscanf(stl->fp, " vertex %f %f %f", &facet.vertex[2](0), &facet.vertex[2](1), &facet.vertex[2](2));
assert(res_vertex3 == 3);
int res_endloop = fscanf(stl->fp, " endloop");
assert(res_endloop == 0);
// There is a leading and trailing white space around endfacet to eat up all leading and trailing white spaces including numerous tabs and new lines.
int res_endfacet = fscanf(stl->fp, " endfacet ");
if (res_normal != 3 || res_outer_loop != 0 || res_vertex1 != 3 || res_vertex2 != 3 || res_vertex3 != 3 || res_endloop != 0 || res_endfacet != 0) {
perror("Something is syntactically very wrong with this ASCII STL!");
stl->error = 1;
return;
}
// The facet normal has been parsed as a single string as to workaround for not a numbers in the normal definition.
if (sscanf(normal_buf[0], "%f", &facet.normal(0)) != 1 ||
sscanf(normal_buf[1], "%f", &facet.normal(1)) != 1 ||
sscanf(normal_buf[2], "%f", &facet.normal(2)) != 1) {
// Normal was mangled. Maybe denormals or "not a number" were stored?
// Just reset the normal and silently ignore it.
memset(&facet.normal, 0, sizeof(facet.normal));
}
}
#if 0
// Report close to zero vertex coordinates. Due to the nature of the floating point numbers,
// close to zero values may be represented with singificantly higher precision than the rest of the vertices.
// It may be worth to round these numbers to zero during loading to reduce the number of errors reported
// during the STL import.
for (size_t j = 0; j < 3; ++ j) {
if (facet.vertex[j](0) > -1e-12f && facet.vertex[j](0) < 1e-12f)
printf("stl_read: facet %d(0) = %e\r\n", j, facet.vertex[j](0));
if (facet.vertex[j](1) > -1e-12f && facet.vertex[j](1) < 1e-12f)
printf("stl_read: facet %d(1) = %e\r\n", j, facet.vertex[j](1));
if (facet.vertex[j](2) > -1e-12f && facet.vertex[j](2) < 1e-12f)
printf("stl_read: facet %d(2) = %e\r\n", j, facet.vertex[j](2));
}
#endif
/* Write the facet into memory. */
stl->facet_start[i] = facet;
stl_facet_stats(stl, facet, first);
}
stl->stats.size = stl->stats.max - stl->stats.min;
stl->stats.bounding_diameter = stl->stats.size.norm();
void stl_reallocate(stl_file *stl)
{
stl->facet_start.resize(stl->stats.number_of_facets);
stl->neighbors_start.resize(stl->stats.number_of_facets);
}
void stl_facet_stats(stl_file *stl, stl_facet facet, bool &first)
{
if (stl->error)
return;
// While we are going through all of the facets, let's find the
// maximum and minimum values for x, y, and z
// While we are going through all of the facets, let's find the
// maximum and minimum values for x, y, and z
if (first) {
// Initialize the max and min values the first time through
stl->stats.min = facet.vertex[0];
stl->stats.max = facet.vertex[0];
stl_vertex diff = (facet.vertex[1] - facet.vertex[0]).cwiseAbs();
stl->stats.shortest_edge = std::max(diff(0), std::max(diff(1), diff(2)));
first = false;
}
if (first) {
// Initialize the max and min values the first time through
stl->stats.min = facet.vertex[0];
stl->stats.max = facet.vertex[0];
stl_vertex diff = (facet.vertex[1] - facet.vertex[0]).cwiseAbs();
stl->stats.shortest_edge = std::max(diff(0), std::max(diff(1), diff(2)));
first = false;
}
// Now find the max and min values.
for (size_t i = 0; i < 3; ++ i) {
stl->stats.min = stl->stats.min.cwiseMin(facet.vertex[i]);
stl->stats.max = stl->stats.max.cwiseMax(facet.vertex[i]);
}
}
void stl_close(stl_file *stl)
{
assert(stl->fp == nullptr);
assert(stl->heads == nullptr);
assert(stl->tail == nullptr);
if (stl->facet_start != NULL)
free(stl->facet_start);
if (stl->neighbors_start != NULL)
free(stl->neighbors_start);
if (stl->v_indices != NULL)
free(stl->v_indices);
if (stl->v_shared != NULL)
free(stl->v_shared);
memset(stl, 0, sizeof(stl_file));
// Now find the max and min values.
for (size_t i = 0; i < 3; ++ i) {
stl->stats.min = stl->stats.min.cwiseMin(facet.vertex[i]);
stl->stats.max = stl->stats.max.cwiseMax(facet.vertex[i]);
}
}

694
src/admesh/util.cpp
View file

@ -25,435 +25,375 @@
#include <string.h>
#include <math.h>
#include <boost/log/trivial.hpp>
#include "stl.h"
static void stl_rotate(float *x, float *y, const double c, const double s);
static float get_area(stl_facet *facet);
static float get_volume(stl_file *stl);
void stl_verify_neighbors(stl_file *stl)
{
stl->stats.backwards_edges = 0;
void
stl_verify_neighbors(stl_file *stl) {
int i;
int j;
stl_edge edge_a;
stl_edge edge_b;
int neighbor;
int vnot;
if (stl->error) return;
stl->stats.backwards_edges = 0;
for(i = 0; i < stl->stats.number_of_facets; i++) {
for(j = 0; j < 3; j++) {
edge_a.p1 = stl->facet_start[i].vertex[j];
edge_a.p2 = stl->facet_start[i].vertex[(j + 1) % 3];
neighbor = stl->neighbors_start[i].neighbor[j];
vnot = stl->neighbors_start[i].which_vertex_not[j];
if(neighbor == -1)
continue; /* this edge has no neighbor... Continue. */
if(vnot < 3) {
edge_b.p1 = stl->facet_start[neighbor].vertex[(vnot + 2) % 3];
edge_b.p2 = stl->facet_start[neighbor].vertex[(vnot + 1) % 3];
} else {
stl->stats.backwards_edges += 1;
edge_b.p1 = stl->facet_start[neighbor].vertex[(vnot + 1) % 3];
edge_b.p2 = stl->facet_start[neighbor].vertex[(vnot + 2) % 3];
}
if (edge_a.p1 != edge_b.p1 || edge_a.p2 != edge_b.p2) {
/* These edges should match but they don't. Print results. */
printf("edge %d of facet %d doesn't match edge %d of facet %d\n",
j, i, vnot + 1, neighbor);
stl_write_facet(stl, (char*)"first facet", i);
stl_write_facet(stl, (char*)"second facet", neighbor);
}
}
}
for (uint32_t i = 0; i < stl->stats.number_of_facets; ++ i) {
for (int j = 0; j < 3; ++ j) {
struct stl_edge {
stl_vertex p1;
stl_vertex p2;
int facet_number;
};
stl_edge edge_a;
edge_a.p1 = stl->facet_start[i].vertex[j];
edge_a.p2 = stl->facet_start[i].vertex[(j + 1) % 3];
int neighbor = stl->neighbors_start[i].neighbor[j];
if (neighbor == -1)
continue; // this edge has no neighbor... Continue.
int vnot = stl->neighbors_start[i].which_vertex_not[j];
stl_edge edge_b;
if (vnot < 3) {
edge_b.p1 = stl->facet_start[neighbor].vertex[(vnot + 2) % 3];
edge_b.p2 = stl->facet_start[neighbor].vertex[(vnot + 1) % 3];
} else {
stl->stats.backwards_edges += 1;
edge_b.p1 = stl->facet_start[neighbor].vertex[(vnot + 1) % 3];
edge_b.p2 = stl->facet_start[neighbor].vertex[(vnot + 2) % 3];
}
if (edge_a.p1 != edge_b.p1 || edge_a.p2 != edge_b.p2) {
// These edges should match but they don't. Print results.
BOOST_LOG_TRIVIAL(info) << "edge " << j << " of facet " << i << " doesn't match edge " << (vnot + 1) << " of facet " << neighbor;
stl_write_facet(stl, (char*)"first facet", i);
stl_write_facet(stl, (char*)"second facet", neighbor);
}
}
}
}
void stl_translate(stl_file *stl, float x, float y, float z)
{
if (stl->error)
return;
stl_vertex new_min(x, y, z);
stl_vertex shift = new_min - stl->stats.min;
for (int i = 0; i < stl->stats.number_of_facets; ++ i)
for (int j = 0; j < 3; ++ j)
stl->facet_start[i].vertex[j] += shift;
stl->stats.min = new_min;
stl->stats.max += shift;
stl_invalidate_shared_vertices(stl);
stl_vertex new_min(x, y, z);
stl_vertex shift = new_min - stl->stats.min;
for (int i = 0; i < stl->stats.number_of_facets; ++ i)
for (int j = 0; j < 3; ++ j)
stl->facet_start[i].vertex[j] += shift;
stl->stats.min = new_min;
stl->stats.max += shift;
}
/* Translates the stl by x,y,z, relatively from wherever it is currently */
void stl_translate_relative(stl_file *stl, float x, float y, float z)
{
if (stl->error)
return;
stl_vertex shift(x, y, z);
for (int i = 0; i < stl->stats.number_of_facets; ++ i)
for (int j = 0; j < 3; ++ j)
stl->facet_start[i].vertex[j] += shift;
stl->stats.min += shift;
stl->stats.max += shift;
stl_invalidate_shared_vertices(stl);
stl_vertex shift(x, y, z);
for (int i = 0; i < stl->stats.number_of_facets; ++ i)
for (int j = 0; j < 3; ++ j)
stl->facet_start[i].vertex[j] += shift;
stl->stats.min += shift;
stl->stats.max += shift;
}
void stl_scale_versor(stl_file *stl, const stl_vertex &versor)
{
if (stl->error)
return;
// Scale extents.
auto s = versor.array();
stl->stats.min.array() *= s;
stl->stats.max.array() *= s;
// Scale size.
stl->stats.size.array() *= s;
// Scale volume.
if (stl->stats.volume > 0.0)
stl->stats.volume *= versor(0) * versor(1) * versor(2);
// Scale the mesh.
for (int i = 0; i < stl->stats.number_of_facets; ++ i)
for (int j = 0; j < 3; ++ j)
stl->facet_start[i].vertex[j].array() *= s;
stl_invalidate_shared_vertices(stl);
// Scale extents.
auto s = versor.array();
stl->stats.min.array() *= s;
stl->stats.max.array() *= s;
// Scale size.
stl->stats.size.array() *= s;
// Scale volume.
if (stl->stats.volume > 0.0)
stl->stats.volume *= versor(0) * versor(1) * versor(2);
// Scale the mesh.
for (int i = 0; i < stl->stats.number_of_facets; ++ i)
for (int j = 0; j < 3; ++ j)
stl->facet_start[i].vertex[j].array() *= s;
}
static void calculate_normals(stl_file *stl)
{
if (stl->error)
return;
stl_normal normal;
for(uint32_t i = 0; i < stl->stats.number_of_facets; i++) {
stl_calculate_normal(normal, &stl->facet_start[i]);
stl_normalize_vector(normal);
stl->facet_start[i].normal = normal;
}
stl_normal normal;
for (uint32_t i = 0; i < stl->stats.number_of_facets; ++ i) {
stl_calculate_normal(normal, &stl->facet_start[i]);
stl_normalize_vector(normal);
stl->facet_start[i].normal = normal;
}
}
void
stl_rotate_x(stl_file *stl, float angle) {
int i;
int j;
double radian_angle = (angle / 180.0) * M_PI;
double c = cos(radian_angle);
double s = sin(radian_angle);
if (stl->error) return;
for(i = 0; i < stl->stats.number_of_facets; i++) {
for(j = 0; j < 3; j++) {
stl_rotate(&stl->facet_start[i].vertex[j](1),
&stl->facet_start[i].vertex[j](2), c, s);
}
}
stl_get_size(stl);
calculate_normals(stl);
static inline void rotate_point_2d(float &x, float &y, const double c, const double s)
{
double xold = x;
double yold = y;
x = float(c * xold - s * yold);
y = float(s * xold + c * yold);
}
void
stl_rotate_y(stl_file *stl, float angle) {
int i;
int j;
double radian_angle = (angle / 180.0) * M_PI;
double c = cos(radian_angle);
double s = sin(radian_angle);
if (stl->error) return;
for(i = 0; i < stl->stats.number_of_facets; i++) {
for(j = 0; j < 3; j++) {
stl_rotate(&stl->facet_start[i].vertex[j](2),
&stl->facet_start[i].vertex[j](0), c, s);
}
}
stl_get_size(stl);
calculate_normals(stl);
void stl_rotate_x(stl_file *stl, float angle)
{
double radian_angle = (angle / 180.0) * M_PI;
double c = cos(radian_angle);
double s = sin(radian_angle);
for (uint32_t i = 0; i < stl->stats.number_of_facets; ++ i)
for (int j = 0; j < 3; ++ j)
rotate_point_2d(stl->facet_start[i].vertex[j](1), stl->facet_start[i].vertex[j](2), c, s);
stl_get_size(stl);
calculate_normals(stl);
}
void
stl_rotate_z(stl_file *stl, float angle) {
int i;
int j;
double radian_angle = (angle / 180.0) * M_PI;
double c = cos(radian_angle);
double s = sin(radian_angle);
if (stl->error) return;
for(i = 0; i < stl->stats.number_of_facets; i++) {
for(j = 0; j < 3; j++) {
stl_rotate(&stl->facet_start[i].vertex[j](0),
&stl->facet_start[i].vertex[j](1), c, s);
}
}
stl_get_size(stl);
calculate_normals(stl);
void stl_rotate_y(stl_file *stl, float angle)
{
double radian_angle = (angle / 180.0) * M_PI;
double c = cos(radian_angle);
double s = sin(radian_angle);
for (uint32_t i = 0; i < stl->stats.number_of_facets; ++ i)
for (int j = 0; j < 3; ++ j)
rotate_point_2d(stl->facet_start[i].vertex[j](2), stl->facet_start[i].vertex[j](0), c, s);
stl_get_size(stl);
calculate_normals(stl);
}
void stl_rotate_z(stl_file *stl, float angle)
{
double radian_angle = (angle / 180.0) * M_PI;
double c = cos(radian_angle);
double s = sin(radian_angle);
for (uint32_t i = 0; i < stl->stats.number_of_facets; ++ i)
for (int j = 0; j < 3; ++ j)
rotate_point_2d(stl->facet_start[i].vertex[j](0), stl->facet_start[i].vertex[j](1), c, s);
stl_get_size(stl);
calculate_normals(stl);
}
void its_rotate_x(indexed_triangle_set &its, float angle)
{
double radian_angle = (angle / 180.0) * M_PI;
double c = cos(radian_angle);
double s = sin(radian_angle);
for (stl_vertex &v : its.vertices)
rotate_point_2d(v(1), v(2), c, s);
}
static void
stl_rotate(float *x, float *y, const double c, const double s) {
double xold = *x;
double yold = *y;
*x = float(c * xold - s * yold);
*y = float(s * xold + c * yold);
void its_rotate_y(indexed_triangle_set& its, float angle)
{
double radian_angle = (angle / 180.0) * M_PI;
double c = cos(radian_angle);
double s = sin(radian_angle);
for (stl_vertex& v : its.vertices)
rotate_point_2d(v(2), v(0), c, s);
}
void its_rotate_z(indexed_triangle_set& its, float angle)
{
double radian_angle = (angle / 180.0) * M_PI;
double c = cos(radian_angle);
double s = sin(radian_angle);
for (stl_vertex& v : its.vertices)
rotate_point_2d(v(0), v(1), c, s);
}
void stl_get_size(stl_file *stl)
{
if (stl->error || stl->stats.number_of_facets == 0)
return;
stl->stats.min = stl->facet_start[0].vertex[0];
stl->stats.max = stl->stats.min;
for (int i = 0; i < stl->stats.number_of_facets; ++ i) {
const stl_facet &face = stl->facet_start[i];
for (int j = 0; j < 3; ++ j) {
stl->stats.min = stl->stats.min.cwiseMin(face.vertex[j]);
stl->stats.max = stl->stats.max.cwiseMax(face.vertex[j]);
}
}
stl->stats.size = stl->stats.max - stl->stats.min;
stl->stats.bounding_diameter = stl->stats.size.norm();
if (stl->stats.number_of_facets == 0)
return;
stl->stats.min = stl->facet_start[0].vertex[0];
stl->stats.max = stl->stats.min;
for (uint32_t i = 0; i < stl->stats.number_of_facets; ++ i) {
const stl_facet &face = stl->facet_start[i];
for (int j = 0; j < 3; ++ j) {
stl->stats.min = stl->stats.min.cwiseMin(face.vertex[j]);
stl->stats.max = stl->stats.max.cwiseMax(face.vertex[j]);
}
}
stl->stats.size = stl->stats.max - stl->stats.min;
stl->stats.bounding_diameter = stl->stats.size.norm();
}
void stl_mirror_xy(stl_file *stl)
{
if (stl->error)
return;
for(int i = 0; i < stl->stats.number_of_facets; i++) {
for(int j = 0; j < 3; j++) {
stl->facet_start[i].vertex[j](2) *= -1.0;
}
}
float temp_size = stl->stats.min(2);
stl->stats.min(2) = stl->stats.max(2);
stl->stats.max(2) = temp_size;
stl->stats.min(2) *= -1.0;
stl->stats.max(2) *= -1.0;
stl_reverse_all_facets(stl);
stl->stats.facets_reversed -= stl->stats.number_of_facets; /* for not altering stats */
for (uint32_t i = 0; i < stl->stats.number_of_facets; ++ i)
for (int j = 0; j < 3; ++ j)
stl->facet_start[i].vertex[j](2) *= -1.0;
float temp_size = stl->stats.min(2);
stl->stats.min(2) = stl->stats.max(2);
stl->stats.max(2) = temp_size;
stl->stats.min(2) *= -1.0;
stl->stats.max(2) *= -1.0;
stl_reverse_all_facets(stl);
stl->stats.facets_reversed -= stl->stats.number_of_facets; /* for not altering stats */
}
void stl_mirror_yz(stl_file *stl)
{
if (stl->error) return;
for (int i = 0; i < stl->stats.number_of_facets; i++) {
for (int j = 0; j < 3; j++) {
stl->facet_start[i].vertex[j](0) *= -1.0;
}
}
float temp_size = stl->stats.min(0);
stl->stats.min(0) = stl->stats.max(0);
stl->stats.max(0) = temp_size;
stl->stats.min(0) *= -1.0;
stl->stats.max(0) *= -1.0;
stl_reverse_all_facets(stl);
stl->stats.facets_reversed -= stl->stats.number_of_facets; /* for not altering stats */
for (uint32_t i = 0; i < stl->stats.number_of_facets; ++ i)
for (int j = 0; j < 3; j++)
stl->facet_start[i].vertex[j](0) *= -1.0;
float temp_size = stl->stats.min(0);
stl->stats.min(0) = stl->stats.max(0);
stl->stats.max(0) = temp_size;
stl->stats.min(0) *= -1.0;
stl->stats.max(0) *= -1.0;
stl_reverse_all_facets(stl);
stl->stats.facets_reversed -= stl->stats.number_of_facets; /* for not altering stats */
}
void stl_mirror_xz(stl_file *stl)
{
if (stl->error)
return;
for (int i = 0; i < stl->stats.number_of_facets; i++) {
for (int j = 0; j < 3; j++) {
stl->facet_start[i].vertex[j](1) *= -1.0;
}
}
float temp_size = stl->stats.min(1);
stl->stats.min(1) = stl->stats.max(1);
stl->stats.max(1) = temp_size;
stl->stats.min(1) *= -1.0;
stl->stats.max(1) *= -1.0;
stl_reverse_all_facets(stl);
stl->stats.facets_reversed -= stl->stats.number_of_facets; /* for not altering stats */
}
static float get_volume(stl_file *stl)
{
if (stl->error)
return 0;
// Choose a point, any point as the reference.
stl_vertex p0 = stl->facet_start[0].vertex[0];
float volume = 0.f;
for(uint32_t i = 0; i < stl->stats.number_of_facets; ++ i) {
// Do dot product to get distance from point to plane.
float height = stl->facet_start[i].normal.dot(stl->facet_start[i].vertex[0] - p0);
float area = get_area(&stl->facet_start[i]);
volume += (area * height) / 3.0f;
}
return volume;
}
void stl_calculate_volume(stl_file *stl)
{
if (stl->error) return;
stl->stats.volume = get_volume(stl);
if(stl->stats.volume < 0.0) {
stl_reverse_all_facets(stl);
stl->stats.volume = -stl->stats.volume;
}
for (uint32_t i = 0; i < stl->stats.number_of_facets; ++ i)
for (int j = 0; j < 3; ++ j)
stl->facet_start[i].vertex[j](1) *= -1.0;
float temp_size = stl->stats.min(1);
stl->stats.min(1) = stl->stats.max(1);
stl->stats.max(1) = temp_size;
stl->stats.min(1) *= -1.0;
stl->stats.max(1) *= -1.0;
stl_reverse_all_facets(stl);
stl->stats.facets_reversed -= stl->stats.number_of_facets; // for not altering stats
}
static float get_area(stl_facet *facet)
{
/* cast to double before calculating cross product because large coordinates
can result in overflowing product
(bad area is responsible for bad volume and bad facets reversal) */
double cross[3][3];
for (int i = 0; i < 3; i++) {
cross[i][0]=(((double)facet->vertex[i](1) * (double)facet->vertex[(i + 1) % 3](2)) -
((double)facet->vertex[i](2) * (double)facet->vertex[(i + 1) % 3](1)));
cross[i][1]=(((double)facet->vertex[i](2) * (double)facet->vertex[(i + 1) % 3](0)) -
((double)facet->vertex[i](0) * (double)facet->vertex[(i + 1) % 3](2)));
cross[i][2]=(((double)facet->vertex[i](0) * (double)facet->vertex[(i + 1) % 3](1)) -
((double)facet->vertex[i](1) * (double)facet->vertex[(i + 1) % 3](0)));
}
/* cast to double before calculating cross product because large coordinates
can result in overflowing product
(bad area is responsible for bad volume and bad facets reversal) */
double cross[3][3];
for (int i = 0; i < 3; i++) {
cross[i][0]=(((double)facet->vertex[i](1) * (double)facet->vertex[(i + 1) % 3](2)) -
((double)facet->vertex[i](2) * (double)facet->vertex[(i + 1) % 3](1)));
cross[i][1]=(((double)facet->vertex[i](2) * (double)facet->vertex[(i + 1) % 3](0)) -
((double)facet->vertex[i](0) * (double)facet->vertex[(i + 1) % 3](2)));
cross[i][2]=(((double)facet->vertex[i](0) * (double)facet->vertex[(i + 1) % 3](1)) -
((double)facet->vertex[i](1) * (double)facet->vertex[(i + 1) % 3](0)));
}
stl_normal sum;
sum(0) = cross[0][0] + cross[1][0] + cross[2][0];
sum(1) = cross[0][1] + cross[1][1] + cross[2][1];
sum(2) = cross[0][2] + cross[1][2] + cross[2][2];
stl_normal sum;
sum(0) = cross[0][0] + cross[1][0] + cross[2][0];
sum(1) = cross[0][1] + cross[1][1] + cross[2][1];
sum(2) = cross[0][2] + cross[1][2] + cross[2][2];
// This should already be done. But just in case, let's do it again.
//FIXME this is questionable. the "sum" normal should be accurate, while the normal "n" may be calculated with a low accuracy.
stl_normal n;
stl_calculate_normal(n, facet);
stl_normalize_vector(n);
return 0.5f * n.dot(sum);
// This should already be done. But just in case, let's do it again.
//FIXME this is questionable. the "sum" normal should be accurate, while the normal "n" may be calculated with a low accuracy.
stl_normal n;
stl_calculate_normal(n, facet);
stl_normalize_vector(n);
return 0.5f * n.dot(sum);
}
void stl_repair(stl_file *stl,
int fixall_flag,
int exact_flag,
int tolerance_flag,
float tolerance,
int increment_flag,
float increment,
int nearby_flag,
int iterations,
int remove_unconnected_flag,
int fill_holes_flag,
int normal_directions_flag,
int normal_values_flag,
int reverse_all_flag,
int verbose_flag) {
int i;
int last_edges_fixed = 0;
if (stl->error) return;
if(exact_flag || fixall_flag || nearby_flag || remove_unconnected_flag
|| fill_holes_flag || normal_directions_flag) {
if (verbose_flag)
printf("Checking exact...\n");
exact_flag = 1;
stl_check_facets_exact(stl);
stl->stats.facets_w_1_bad_edge =
(stl->stats.connected_facets_2_edge -
stl->stats.connected_facets_3_edge);
stl->stats.facets_w_2_bad_edge =
(stl->stats.connected_facets_1_edge -
stl->stats.connected_facets_2_edge);
stl->stats.facets_w_3_bad_edge =
(stl->stats.number_of_facets -
stl->stats.connected_facets_1_edge);
}
if(nearby_flag || fixall_flag) {
if(!tolerance_flag) {
tolerance = stl->stats.shortest_edge;
}
if(!increment_flag) {
increment = stl->stats.bounding_diameter / 10000.0;
}
if(stl->stats.connected_facets_3_edge < stl->stats.number_of_facets) {
for(i = 0; i < iterations; i++) {
if(stl->stats.connected_facets_3_edge <
stl->stats.number_of_facets) {
if (verbose_flag)
printf("\
Checking nearby. Tolerance= %f Iteration=%d of %d...",
tolerance, i + 1, iterations);
stl_check_facets_nearby(stl, tolerance);
if (verbose_flag)
printf(" Fixed %d edges.\n",
stl->stats.edges_fixed - last_edges_fixed);
last_edges_fixed = stl->stats.edges_fixed;
tolerance += increment;
} else {
if (verbose_flag)
printf("\
All facets connected. No further nearby check necessary.\n");
break;
}
}
} else {
if (verbose_flag)
printf("All facets connected. No nearby check necessary.\n");
}
}
if(remove_unconnected_flag || fixall_flag || fill_holes_flag) {
if(stl->stats.connected_facets_3_edge < stl->stats.number_of_facets) {
if (verbose_flag)
printf("Removing unconnected facets...\n");
stl_remove_unconnected_facets(stl);
} else
if (verbose_flag)
printf("No unconnected need to be removed.\n");
}
if(fill_holes_flag || fixall_flag) {
if(stl->stats.connected_facets_3_edge < stl->stats.number_of_facets) {
if (verbose_flag)
printf("Filling holes...\n");
stl_fill_holes(stl);
} else
if (verbose_flag)
printf("No holes need to be filled.\n");
}
if(reverse_all_flag) {
if (verbose_flag)
printf("Reversing all facets...\n");
stl_reverse_all_facets(stl);
}
if(normal_directions_flag || fixall_flag) {
if (verbose_flag)
printf("Checking normal directions...\n");
stl_fix_normal_directions(stl);
}
if(normal_values_flag || fixall_flag) {
if (verbose_flag)
printf("Checking normal values...\n");
stl_fix_normal_values(stl);
}
/* Always calculate the volume. It shouldn't take too long */
if (verbose_flag)
printf("Calculating volume...\n");
stl_calculate_volume(stl);
if(exact_flag) {
if (verbose_flag)
printf("Verifying neighbors...\n");
stl_verify_neighbors(stl);
}
static float get_volume(stl_file *stl)
{
// Choose a point, any point as the reference.
stl_vertex p0 = stl->facet_start[0].vertex[0];
float volume = 0.f;
for (uint32_t i = 0; i < stl->stats.number_of_facets; ++ i) {
// Do dot product to get distance from point to plane.
float height = stl->facet_start[i].normal.dot(stl->facet_start[i].vertex[0] - p0);
float area = get_area(&stl->facet_start[i]);
volume += (area * height) / 3.0f;
}
return volume;
}
void stl_calculate_volume(stl_file *stl)
{
stl->stats.volume = get_volume(stl);
if (stl->stats.volume < 0.0) {
stl_reverse_all_facets(stl);
stl->stats.volume = -stl->stats.volume;
}
}
void stl_repair(
stl_file *stl,
bool fixall_flag,
bool exact_flag,
bool tolerance_flag,
float tolerance,
bool increment_flag,
float increment,
bool nearby_flag,
int iterations,
bool remove_unconnected_flag,
bool fill_holes_flag,
bool normal_directions_flag,
bool normal_values_flag,
bool reverse_all_flag,
bool verbose_flag)
{
if (exact_flag || fixall_flag || nearby_flag || remove_unconnected_flag || fill_holes_flag || normal_directions_flag) {
if (verbose_flag)
printf("Checking exact...\n");
exact_flag = true;
stl_check_facets_exact(stl);
stl->stats.facets_w_1_bad_edge = (stl->stats.connected_facets_2_edge - stl->stats.connected_facets_3_edge);
stl->stats.facets_w_2_bad_edge = (stl->stats.connected_facets_1_edge - stl->stats.connected_facets_2_edge);
stl->stats.facets_w_3_bad_edge = (stl->stats.number_of_facets - stl->stats.connected_facets_1_edge);
}
if (nearby_flag || fixall_flag) {
if (! tolerance_flag)
tolerance = stl->stats.shortest_edge;
if (! increment_flag)
increment = stl->stats.bounding_diameter / 10000.0;
}
if (stl->stats.connected_facets_3_edge < stl->stats.number_of_facets) {
int last_edges_fixed = 0;
for (int i = 0; i < iterations; ++ i) {
if (stl->stats.connected_facets_3_edge < stl->stats.number_of_facets) {
if (verbose_flag)
printf("Checking nearby. Tolerance= %f Iteration=%d of %d...", tolerance, i + 1, iterations);
stl_check_facets_nearby(stl, tolerance);
if (verbose_flag)
printf(" Fixed %d edges.\n", stl->stats.edges_fixed - last_edges_fixed);
last_edges_fixed = stl->stats.edges_fixed;
tolerance += increment;
} else {
if (verbose_flag)
printf("All facets connected. No further nearby check necessary.\n");
break;
}
}
} else if (verbose_flag)
printf("All facets connected. No nearby check necessary.\n");
if (remove_unconnected_flag || fixall_flag || fill_holes_flag) {
if (stl->stats.connected_facets_3_edge < stl->stats.number_of_facets) {
if (verbose_flag)
printf("Removing unconnected facets...\n");
stl_remove_unconnected_facets(stl);
} else if (verbose_flag)
printf("No unconnected need to be removed.\n");
}
if (fill_holes_flag || fixall_flag) {
if (stl->stats.connected_facets_3_edge < stl->stats.number_of_facets) {
if (verbose_flag)
printf("Filling holes...\n");
stl_fill_holes(stl);
} else if (verbose_flag)
printf("No holes need to be filled.\n");
}
if (reverse_all_flag) {
if (verbose_flag)
printf("Reversing all facets...\n");
stl_reverse_all_facets(stl);
}
if (normal_directions_flag || fixall_flag) {
if (verbose_flag)
printf("Checking normal directions...\n");
stl_fix_normal_directions(stl);
}
if (normal_values_flag || fixall_flag) {
if (verbose_flag)
printf("Checking normal values...\n");
stl_fix_normal_values(stl);
}
// Always calculate the volume. It shouldn't take too long.
if (verbose_flag)
printf("Calculating volume...\n");
stl_calculate_volume(stl);
if (exact_flag) {
if (verbose_flag)
printf("Verifying neighbors...\n");
stl_verify_neighbors(stl);
}
}

2
src/boost/CMakeLists.txt
View file

@ -19,6 +19,6 @@ add_library(nowide STATIC
nowide/windows.hpp
)
target_include_directories(nowide SYSTEM PUBLIC ${Boost_INCLUDE_DIRS})
target_link_libraries(nowide PUBLIC boost_headeronly)

14
src/libigl/CMakeLists.txt Normal file
View file

@ -0,0 +1,14 @@
project(libigl)
cmake_minimum_required(VERSION 3.0)
add_library(libigl INTERFACE)
find_package(libigl QUIET)
if(libigl_FOUND)
message(STATUS "IGL found, using system version...")
target_link_libraries(libigl INTERFACE igl::core)
else()
message(STATUS "IGL NOT found, using bundled version...")
target_include_directories(libigl INTERFACE SYSTEM ${LIBDIR}/libigl)
endif()

0
src/igl/AABB.cpp → src/libigl/igl/AABB.cpp
View file

0
src/igl/AABB.h → src/libigl/igl/AABB.h
View file

0
src/igl/ARAPEnergyType.h → src/libigl/igl/ARAPEnergyType.h
View file

0
src/igl/AtA_cached.cpp → src/libigl/igl/AtA_cached.cpp
View file

0
src/igl/AtA_cached.h → src/libigl/igl/AtA_cached.h
View file

0
src/igl/C_STR.h → src/libigl/igl/C_STR.h
View file

0
src/igl/Camera.h → src/libigl/igl/Camera.h
View file

0
src/igl/EPS.cpp → src/libigl/igl/EPS.cpp
View file

0
src/igl/EPS.h → src/libigl/igl/EPS.h
View file

0
src/igl/HalfEdgeIterator.cpp → src/libigl/igl/HalfEdgeIterator.cpp
View file

0
src/igl/HalfEdgeIterator.h → src/libigl/igl/HalfEdgeIterator.h
View file

0
src/igl/Hit.h → src/libigl/igl/Hit.h
View file

0
src/igl/IO → src/libigl/igl/IO
View file

0
src/igl/IndexComparison.h → src/libigl/igl/IndexComparison.h
View file

0
src/igl/LinSpaced.h → src/libigl/igl/LinSpaced.h
View file

0
src/igl/MeshBooleanType.h → src/libigl/igl/MeshBooleanType.h
View file

0
src/igl/NormalType.h → src/libigl/igl/NormalType.h
View file

0
src/igl/ONE.h → src/libigl/igl/ONE.h
View file

0
src/igl/PI.h → src/libigl/igl/PI.h
View file

0
src/igl/REDRUM.h → src/libigl/igl/REDRUM.h
View file

0
src/igl/STR.h → src/libigl/igl/STR.h
View file

0
src/igl/Singular_Value_Decomposition_Givens_QR_Factorization_Kernel.hpp → src/libigl/igl/Singular_Value_Decomposition_Givens_QR_Factorization_Kernel.hpp
View file

0
src/igl/Singular_Value_Decomposition_Jacobi_Conjugation_Kernel.hpp → src/libigl/igl/Singular_Value_Decomposition_Jacobi_Conjugation_Kernel.hpp
View file

0
src/igl/Singular_Value_Decomposition_Kernel_Declarations.hpp → src/libigl/igl/Singular_Value_Decomposition_Kernel_Declarations.hpp
View file

0
src/igl/Singular_Value_Decomposition_Main_Kernel_Body.hpp → src/libigl/igl/Singular_Value_Decomposition_Main_Kernel_Body.hpp
View file

0
src/igl/Singular_Value_Decomposition_Preamble.hpp → src/libigl/igl/Singular_Value_Decomposition_Preamble.hpp
View file

0
src/igl/SolverStatus.h → src/libigl/igl/SolverStatus.h
View file

0
src/igl/SortableRow.h → src/libigl/igl/SortableRow.h
View file

0
src/igl/Timer.h → src/libigl/igl/Timer.h
View file

0
src/igl/Viewport.h → src/libigl/igl/Viewport.h
View file

0
src/igl/WindingNumberAABB.h → src/libigl/igl/WindingNumberAABB.h
View file

0
src/igl/WindingNumberMethod.h → src/libigl/igl/WindingNumberMethod.h
View file

0
src/igl/WindingNumberTree.h → src/libigl/igl/WindingNumberTree.h
View file

0
src/igl/ZERO.h → src/libigl/igl/ZERO.h
View file

0
src/igl/active_set.cpp → src/libigl/igl/active_set.cpp
View file

0
src/igl/active_set.h → src/libigl/igl/active_set.h
View file

0
src/igl/adjacency_list.cpp → src/libigl/igl/adjacency_list.cpp
View file

0
src/igl/adjacency_list.h → src/libigl/igl/adjacency_list.h
View file

0
src/igl/adjacency_matrix.cpp → src/libigl/igl/adjacency_matrix.cpp
View file

0
src/igl/adjacency_matrix.h → src/libigl/igl/adjacency_matrix.h
View file

0
src/igl/all.cpp → src/libigl/igl/all.cpp
View file

0
src/igl/all.h → src/libigl/igl/all.h
View file

0
src/igl/all_edges.cpp → src/libigl/igl/all_edges.cpp
View file

0
src/igl/all_edges.h → src/libigl/igl/all_edges.h
View file

0
src/igl/all_pairs_distances.cpp → src/libigl/igl/all_pairs_distances.cpp
View file

0
src/igl/all_pairs_distances.h → src/libigl/igl/all_pairs_distances.h
View file

0
src/igl/ambient_occlusion.cpp → src/libigl/igl/ambient_occlusion.cpp
View file

0
src/igl/ambient_occlusion.h → src/libigl/igl/ambient_occlusion.h
View file

0
src/igl/angular_distance.cpp → src/libigl/igl/angular_distance.cpp
View file

0
src/igl/angular_distance.h → src/libigl/igl/angular_distance.h
View file

0
src/igl/anttweakbar/ReAntTweakBar.cpp → src/libigl/igl/anttweakbar/ReAntTweakBar.cpp
View file

0
src/igl/anttweakbar/ReAntTweakBar.h → src/libigl/igl/anttweakbar/ReAntTweakBar.h
View file

0
src/igl/anttweakbar/cocoa_key_to_anttweakbar_key.cpp → src/libigl/igl/anttweakbar/cocoa_key_to_anttweakbar_key.cpp
View file

0
src/igl/anttweakbar/cocoa_key_to_anttweakbar_key.h → src/libigl/igl/anttweakbar/cocoa_key_to_anttweakbar_key.h
View file

0
src/igl/any.cpp → src/libigl/igl/any.cpp
View file

0
src/igl/any.h → src/libigl/igl/any.h
View file

0
src/igl/any_of.cpp → src/libigl/igl/any_of.cpp
View file

0
src/igl/any_of.h → src/libigl/igl/any_of.h
View file

0
src/igl/arap.cpp → src/libigl/igl/arap.cpp
View file

0
src/igl/arap.h → src/libigl/igl/arap.h
View file

0
src/igl/arap_dof.cpp → src/libigl/igl/arap_dof.cpp
View file

0
src/igl/arap_dof.h → src/libigl/igl/arap_dof.h
View file

0
src/igl/arap_linear_block.cpp → src/libigl/igl/arap_linear_block.cpp
View file

0
src/igl/arap_linear_block.h → src/libigl/igl/arap_linear_block.h
View file

0
src/igl/arap_rhs.cpp → src/libigl/igl/arap_rhs.cpp
View file

0
src/igl/arap_rhs.h → src/libigl/igl/arap_rhs.h
View file

0
src/igl/average_onto_faces.cpp → src/libigl/igl/average_onto_faces.cpp
View file

0
src/igl/average_onto_faces.h → src/libigl/igl/average_onto_faces.h
View file

0
src/igl/average_onto_vertices.cpp → src/libigl/igl/average_onto_vertices.cpp
View file

0
src/igl/average_onto_vertices.h → src/libigl/igl/average_onto_vertices.h
View file

0
src/igl/avg_edge_length.cpp → src/libigl/igl/avg_edge_length.cpp
View file

0
src/igl/avg_edge_length.h → src/libigl/igl/avg_edge_length.h
View file

0
src/igl/axis_angle_to_quat.cpp → src/libigl/igl/axis_angle_to_quat.cpp
View file

0
src/igl/axis_angle_to_quat.h → src/libigl/igl/axis_angle_to_quat.h
View file

0
src/igl/barycenter.cpp → src/libigl/igl/barycenter.cpp
View file

0
src/igl/barycenter.h → src/libigl/igl/barycenter.h
View file

Some files were not shown because too many files have changed in this diff Show more