0558b53493
The XS was left only for the unit / integration tests, and it links libslic3r only. No wxWidgets are allowed to be used from Perl starting from now.
623 lines
22 KiB
Text
623 lines
22 KiB
Text
This distribution of qhull library is only meant for interfacing qhull with Slic3rPE
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(https://github.com/prusa3d/Slic3r).
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The qhull source file was acquired from https://github.com/qhull/qhull at revision
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f0bd8ceeb84b554d7cdde9bbfae7d3351270478c.
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No changes to the qhull library were made, except for
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- setting REALfloat=1 in user_r.h to enforce calculations in floats
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- modifying CMakeLists.txt (the original was renamed to origCMakeLists.txt)
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Many thanks to C. Bradford Barber and all contributors.
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Lukas Matena (lukasmatena@seznam.cz)
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25.7.2018
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See original contents of the README file below.
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======================================================================================
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======================================================================================
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======================================================================================
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Name
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qhull, rbox 2015.2 2016/01/18
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Convex hull, Delaunay triangulation, Voronoi diagrams, Halfspace intersection
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Documentation:
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html/index.htm
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<http://www.qhull.org/html>
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Available from:
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<http://www.qhull.org>
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<http://www.qhull.org/download>
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<http://github.com/qhull/qhull> (git@github.com:qhull/qhull.git)
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News and a paper:
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<http://www.qhull.org/news>
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<http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.117.405>
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Version 1 (simplicial only):
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<http://www.qhull.org/download/qhull-1.0.tar.gz>
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Purpose
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Qhull is a general dimension convex hull program that reads a set
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of points from stdin, and outputs the smallest convex set that contains
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the points to stdout. It also generates Delaunay triangulations, Voronoi
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diagrams, furthest-site Voronoi diagrams, and halfspace intersections
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about a point.
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Rbox is a useful tool in generating input for Qhull; it generates
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hypercubes, diamonds, cones, circles, simplices, spirals,
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lattices, and random points.
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Qhull produces graphical output for Geomview. This helps with
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understanding the output. <http://www.geomview.org>
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Environment requirements
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Qhull and rbox should run on all 32-bit and 64-bit computers. Use
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an ANSI C or C++ compiler to compile the program. The software is
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self-contained. It comes with examples and test scripts.
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Qhull's C++ interface uses the STL. The C++ test program uses QTestLib
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from the Qt Framework. Qhull's C++ interface may change without
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notice. Eventually, it will move into the qhull shared library.
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Qhull is copyrighted software. Please read COPYING.txt and REGISTER.txt
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before using or distributing Qhull.
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To cite Qhull, please use
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Barber, C.B., Dobkin, D.P., and Huhdanpaa, H.T., "The Quickhull
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algorithm for convex hulls," ACM Trans. on Mathematical Software,
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22(4):469-483, Dec 1996, http://www.qhull.org.
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To modify Qhull, particularly the C++ interface
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Qhull is on GitHub
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(http://github.com/qhull/qhull, git@github.com:qhull/qhull.git)
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For internal documentation, see html/qh-code.htm
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To install Qhull
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Qhull is precompiled for Windows 32-bit, otherwise it needs compilation.
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Qhull includes Makefiles for gcc and other targets, CMakeLists.txt for CMake,
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.sln/.vcproj/.vcxproj files for Microsoft Visual Studio, and .pro files
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for Qt Creator. It compiles under Windows with mingw.
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Install and build instructions follow.
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See the end of this document for a list of distributed files.
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-----------------
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Installing Qhull on Windows 10, 8, 7 (32- or 64-bit), Windows XP, and Windows NT
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The zip file contains rbox.exe, qhull.exe, qconvex.exe, qdelaunay.exe,
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qhalf.exe, qvoronoi.exe, testqset.exe, user_eg*.exe, documentation files,
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and source files. Qhull.exe and user-eg3.exe are compiled with the reentrant
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library while the other executables use the non-reentrant library.
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To install Qhull:
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- Unzip the files into a directory (e.g., named 'qhull')
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- Click on QHULL-GO or open a command window into Qhull's bin directory.
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- Test with 'rbox D4 | qhull'
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To uninstall Qhull
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- Delete the qhull directory
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To learn about Qhull:
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- Execute 'qconvex' for a synopsis and examples.
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- Execute 'rbox 10 | qconvex' to compute the convex hull of 10 random points.
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- Execute 'rbox 10 | qconvex i TO file' to write results to 'file'.
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- Browse the documentation: qhull\html\index.htm
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- If an error occurs, Windows sends the error to stdout instead of stderr.
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Use 'TO xxx' to send normal output to xxx
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To improve the command window
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- Double-click the window bar to increase the size of the window
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- Right-click the window bar
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- Select Properties
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- Check QuickEdit Mode
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Select text with right-click or Enter
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Paste text with right-click
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- Change Font to Lucinda Console
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- Change Layout to Screen Buffer Height 999, Window Size Height 55
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- Change Colors to Screen Background White, Screen Text Black
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- Click OK
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- Select 'Modify shortcut that started this window', then OK
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If you use qhull a lot, install a bash shell such as
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MSYS (www.mingw.org/wiki/msys), Road Bash (www.qhull.org/bash),
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or Cygwin (www.cygwin.com).
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-----------------
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Installing Qhull on Unix with gcc
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To build Qhull, static libraries, shared library, and C++ interface
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- Download and extract Qhull (either GitHub, .tgz file, or .zip file)
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- make
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- export LD_LIBRARY_PATH=$PWD/lib:$LD_LIBRARY_PATH
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The Makefiles may be edited for other compilers.
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If 'testqset' exits with an error, qhull is broken
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A simple Makefile for Qhull is in src/libqhull and src/libqhull_r.
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To build the Qhull executables and libqhullstatic
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- Extract Qhull from qhull...tgz or qhull...zip
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- cd src/libqhull_r # cd src/libqhull
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- make
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-----------------
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Installing Qhull with CMake 2.6 or later
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See CMakeLists.txt for examples and further build instructions
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To build Qhull, static libraries, shared library, and C++ interface
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- Download and extract Qhull (either GitHub, .tgz file, or .zip file)
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- cd build
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- cmake --help # List build generators
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- make -G "<generator>" .. && cmake ..
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- cmake ..
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- make
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- make install
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The ".." is important. It refers to the parent directory (i.e., qhull/)
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On Windows, CMake installs to C:/Program Files/qhull. 64-bit generators
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have a "Win64" tag.
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If creating a qhull package, please include a pkg-config file based on build/qhull*.pc.in
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If cmake fails with "No CMAKE_C_COMPILER could be found"
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- cmake was not able to find the build environment specified by -G "..."
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-----------------
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Installing Qhull with Qt
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To build Qhull, including its C++ test (qhulltest)
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- Download and extract Qhull (either GitHub, .tgz file, or .zip file)
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- Load src/qhull-all.pro into QtCreator
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- Build
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-------------------
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Working with Qhull's C++ interface
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See html/qh-code.htm#cpp for calling Qhull from C++ programs
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See html/qh-code.htm#reentrant for converting from Qhull-2012
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Examples of using the C++ interface
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user_eg3_r.cpp
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qhulltest/*_test.cpp
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Qhull's C++ interface is likely to change. Stay current with GitHub.
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To clone Qhull's next branch from http://github.com/qhull/qhull
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git init
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git clone git@github.com:qhull/qhull.git
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cd qhull
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git checkout next
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...
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git pull origin next
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Compile qhullcpp and libqhullstatic_r with the same compiler. Both libraries
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use the C routines setjmp() and longjmp() for error handling. They must
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be compiled with the same compiler.
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-------------------
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Calling Qhull from C programs
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See html/qh-code.htm#library for calling Qhull from C programs
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See html/qh-code.htm#reentrant for converting from Qhull-2012
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Warning: You will need to understand Qhull's data structures and read the
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code. Most users will find it easier to call Qhull as an external command.
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The new, reentrant 'C' code (src/libqhull_r), passes a pointer to qhT
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to most Qhull routines. This allows multiple instances of Qhull to run
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at the same time. It simplifies the C++ interface.
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The non-reentrant 'C' code (src/libqhull) looks unusual. It refers to
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Qhull's global data structure, qhT, through a 'qh' macro (e.g., 'qh ferr').
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This allows the same code to use static memory or heap memory.
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If qh_QHpointer is defined, qh_qh is a pointer to an allocated qhT;
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otherwise qh_qh is a global static data structure of type qhT.
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------------------
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Compiling Qhull with Microsoft Visual C++
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To compile 32-bit Qhull with Microsoft Visual C++ 2010 and later
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- Download and extract Qhull (either GitHub, .tgz file, or .zip file)
|
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- Load solution build/qhull-32.sln
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- Build target 'Win32'
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- Project qhulltest requires Qt for DevStudio (http://www.qt.io)
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Set the QTDIR environment variable to your Qt directory (e.g., c:/qt/5.2.0/5.2.0/msvc2012)
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If QTDIR is incorrect, precompile will fail with 'Can not locate the file specified'
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To compile 64-bit Qhull with Microsoft Visual C++ 2010 and later
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- 64-bit Qhull has larger data structures due to 64-bit pointers
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- Download and extract Qhull (either GitHub, .tgz file, or .zip file)
|
|
- Load solution build/qhull-64.sln
|
|
- Build target 'Win32'
|
|
- Project qhulltest requires Qt for DevStudio (http://www.qt.io)
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Set the QTDIR environment variable to your Qt directory (e.g., c:/qt/5.2.0/5.2.0/msvc2012_64)
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If QTDIR is incorrect, precompile will fail with 'Can not locate the file specified'
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To compile Qhull with Microsoft Visual C++ 2005 (vcproj files)
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- Download and extract Qhull (either GitHub, .tgz file, or .zip file)
|
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- Load solution build/qhull.sln
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|
- Build target 'win32' (not 'x64')
|
|
- Project qhulltest requires Qt for DevStudio (http://www.qt.io)
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Set the QTDIR environment variable to your Qt directory (e.g., c:/qt/4.7.4)
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If QTDIR is incorrect, precompile will fail with 'Can not locate the file specified'
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-----------------
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Compiling Qhull with Qt Creator
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Qt (http://www.qt.io) is a C++ framework for Windows, Linux, and Macintosh
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Qhull uses QTestLib to test qhull's C++ interface (see src/qhulltest/)
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To compile Qhull with Qt Creator
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- Download and extract Qhull (either GitHub, .tgz file, or .zip file)
|
|
- Download the Qt SDK
|
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- Start Qt Creator
|
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- Load src/qhull-all.pro
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- Build
|
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-----------------
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Compiling Qhull with mingw on Windows
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To compile Qhull with MINGW
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- Download and extract Qhull (either GitHub, .tgz file, or .zip file)
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- Install Road Bash (http://www.qhull.org/bash)
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or install MSYS (http://www.mingw.org/wiki/msys)
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- Install MINGW-w64 (http://sourceforge.net/projects/mingw-w64).
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Mingw is included with Qt SDK.
|
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- make
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-----------------
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Compiling Qhull with cygwin on Windows
|
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To compile Qhull with cygwin
|
|
- Download and extract Qhull (either GitHub, .tgz file, or .zip file)
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- Install cygwin (http://www.cygwin.com)
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- Include packages for gcc, make, ar, and ln
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- make
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-----------------
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Compiling from Makfile without gcc
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The file, qhull-src.tgz, contains documentation and source files for
|
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qhull and rbox.
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To unpack the tgz file
|
|
- tar zxf qhull-src.tgz
|
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- cd qhull
|
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- Use qhull/Makefile
|
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Simpler Makefiles are qhull/src/libqhull/Makefile and qhull/src/libqhull_r/Makefile
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|
|
Compiling qhull and rbox with Makefile
|
|
- in Makefile, check the CC, CCOPTS1, PRINTMAN, and PRINTC defines
|
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- the defaults are gcc and enscript
|
|
- CCOPTS1 should include the ANSI flag. It defines __STDC__
|
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- in user.h, check the definitions of qh_SECticks and qh_CPUclock.
|
|
- use '#define qh_CLOCKtype 2' for timing runs longer than 1 hour
|
|
- type: make
|
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- this builds: qhull qconvex qdelaunay qhalf qvoronoi rbox libqhull.a libqhull_r.a
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- type: make doc
|
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- this prints the man page
|
|
- See also qhull/html/index.htm
|
|
- if your compiler reports many errors, it is probably not a ANSI C compiler
|
|
- you will need to set the -ansi switch or find another compiler
|
|
- if your compiler warns about missing prototypes for fprintf() etc.
|
|
- this is ok, your compiler should have these in stdio.h
|
|
- if your compiler warns about missing prototypes for memset() etc.
|
|
- include memory.h in qhull_a.h
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|
- if your compiler reports "global.c: storage size of 'qh_qh' isn't known"
|
|
- delete the initializer "={0}" in global.c, stat.c and mem.c
|
|
- if your compiler warns about "stat.c: improper initializer"
|
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- this is ok, the initializer is not used
|
|
- if you have trouble building libqhull.a with 'ar'
|
|
- try 'make -f Makefile.txt qhullx'
|
|
- if the code compiles, the qhull test case will automatically execute
|
|
- if an error occurs, there's an incompatibility between machines
|
|
- If you can, try a different compiler
|
|
- You can turn off the Qhull memory manager with qh_NOmem in mem.h
|
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- You can turn off compiler optimization (-O2 in Makefile)
|
|
- If you find the source of the problem, please let us know
|
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- to install the programs and their man pages:
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- define MANDIR and BINDIR
|
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- type 'make install'
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|
|
- if you have Geomview (www.geomview.org)
|
|
- try 'rbox 100 | qconvex G >a' and load 'a' into Geomview
|
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- run 'q_eg' for Geomview examples of Qhull output (see qh-eg.htm)
|
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------------------
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Compiling on other machines and compilers
|
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Qhull may compile with Borland C++ 5.0 bcc32. A Makefile is included.
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Execute 'cd src/libqhull; make -f Mborland'. If you use the Borland IDE, set
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the ANSI option in Options:Project:Compiler:Source:Language-compliance.
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Qhull may compile with Borland C++ 4.02 for Win32 and DOS Power Pack.
|
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Use 'cd src/libqhull; make -f Mborland -D_DPMI'. Qhull 1.0 compiles with
|
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Borland C++ 4.02. For rbox 1.0, use "bcc32 -WX -w- -O2-e -erbox -lc rbox.c".
|
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Use the same options for Qhull 1.0. [D. Zwick]
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If you have troubles with the memory manager, you can turn it off by
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defining qh_NOmem in mem.h.
|
|
|
|
-----------------
|
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Distributed files
|
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|
README.txt // Instructions for installing Qhull
|
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REGISTER.txt // Qhull registration
|
|
COPYING.txt // Copyright notice
|
|
QHULL-GO.lnk // Windows icon for eg/qhull-go.bat
|
|
Announce.txt // Announcement
|
|
CMakeLists.txt // CMake build file (2.6 or later)
|
|
CMakeModules/CheckLFS.cmake // enables Large File Support in cmake
|
|
File_id.diz // Package descriptor
|
|
index.htm // Home page
|
|
Makefile // Makefile for gcc and other compilers
|
|
qhull*.md5sum // md5sum for all files
|
|
|
|
bin/* // Qhull executables and dll (.zip only)
|
|
build/qhull*.pc.in // pkg-config templates for qhull_r, qhull, and qhull_p
|
|
build/qhull-32.sln // 32-bit DevStudio solution and project files (2010 and later)
|
|
build/*-32.vcxproj
|
|
build/qhull-64.sln // 64-bit DevStudio solution and project files (2010 and later)
|
|
build/*-64.vcxproj
|
|
build/qhull.sln // DevStudio solution and project files (2005 and 2009)
|
|
build/*.vcproj
|
|
eg/* // Test scripts and geomview files from q_eg
|
|
html/index.htm // Manual
|
|
html/qh-faq.htm // Frequently asked questions
|
|
html/qh-get.htm // Download page
|
|
html/qhull-cpp.xml // C++ style notes as a Road FAQ (www.qhull.org/road)
|
|
src/Changes.txt // Change history for Qhull and rbox
|
|
src/qhull-all.pro // Qt project
|
|
|
|
eg/
|
|
q_eg // shell script for Geomview examples (eg.01.cube)
|
|
q_egtest // shell script for Geomview test examples
|
|
q_test // shell script to test qhull
|
|
q_test-ok.txt // output from q_test
|
|
qhulltest-ok.txt // output from qhulltest (Qt only)
|
|
make-vcproj.sh // bash shell script to create vcproj and vcxprog files
|
|
qhull-zip.sh // bash shell script for distribution files
|
|
|
|
rbox consists of (bin, html):
|
|
rbox.exe // Win32 executable (.zip only)
|
|
rbox.htm // html manual
|
|
rbox.man // Unix man page
|
|
rbox.txt
|
|
|
|
qhull consists of (bin, html):
|
|
qconvex.exe // Win32 executables and dlls (.zip download only)
|
|
qhull.exe // Built with the reentrant library (about 2% slower)
|
|
qdelaunay.exe
|
|
qhalf.exe
|
|
qvoronoi.exe
|
|
qhull_r.dll
|
|
qhull-go.bat // command window
|
|
qconvex.htm // html manual
|
|
qdelaun.htm
|
|
qdelau_f.htm
|
|
qhalf.htm
|
|
qvoronoi.htm
|
|
qvoron_f.htm
|
|
qh-eg.htm
|
|
qh-code.htm
|
|
qh-impre.htm
|
|
index.htm
|
|
qh-opt*.htm
|
|
qh-quick.htm
|
|
qh--*.gif // images for manual
|
|
normal_voronoi_knauss_oesterle.jpg
|
|
qhull.man // Unix man page
|
|
qhull.txt
|
|
|
|
bin/
|
|
msvcr80.dll // Visual C++ redistributable file (.zip download only)
|
|
|
|
src/
|
|
qhull/unix.c // Qhull and rbox applications using non-reentrant libqhullstatic.a
|
|
rbox/rbox.c
|
|
qconvex/qconvex.c
|
|
qhalf/qhalf.c
|
|
qdelaunay/qdelaunay.c
|
|
qvoronoi/qvoronoi.c
|
|
|
|
qhull/unix_r.c // Qhull and rbox applications using reentrant libqhullstatic_r.a
|
|
rbox/rbox_r.c
|
|
qconvex/qconvex_r.c // Qhull applications built with reentrant libqhull_r/Makefile
|
|
qhalf/qhalf_r.c
|
|
qdelaunay/qdelaun_r.c
|
|
qvoronoi/qvoronoi_r.c
|
|
|
|
user_eg/user_eg_r.c // example of using qhull_r.dll from a user program
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user_eg2/user_eg2_r.c // example of using libqhullstatic_r.a from a user program
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user_eg3/user_eg3_r.cpp // example of Qhull's C++ interface libqhullcpp with libqhullstatic_r.a
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qhulltest/qhulltest.cpp // Test of Qhull's C++ interface using Qt's QTestLib
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qhull-*.pri // Include files for Qt projects
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testqset_r/testqset_r.c // Test of reentrant qset_r.c and mem_r.c
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testqset/testqset.c // Test of non-rentrant qset.c and mem.c
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src/libqhull
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libqhull.pro // Qt project for non-rentrant, shared library (qhull.dll)
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index.htm // design documentation for libqhull
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qh-*.htm
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qhull-exports.def // Export Definition file for Visual C++
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Makefile // Simple gcc Makefile for qhull and libqhullstatic.a
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Mborland // Makefile for Borland C++ 5.0
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libqhull.h // header file for qhull
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user.h // header file of user definable constants
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libqhull.c // Quickhull algorithm with partitioning
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user.c // user re-definable functions
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usermem.c
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userprintf.c
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userprintf_rbox.c
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qhull_a.h // include files for libqhull/*.c
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geom.c // geometric routines
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geom2.c
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geom.h
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global.c // global variables
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io.c // input-output routines
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io.h
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mem.c // memory routines, this is stand-alone code
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mem.h
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merge.c // merging of non-convex facets
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merge.h
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poly.c // polyhedron routines
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poly2.c
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poly.h
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qset.c // set routines, this only depends on mem.c
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qset.h
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random.c // utilities w/ Park & Miller's random number generator
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random.h
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rboxlib.c // point set generator for rbox
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stat.c // statistics
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stat.h
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src/libqhull_r
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libqhull_r.pro // Qt project for rentrant, shared library (qhull_r.dll)
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index.htm // design documentation for libqhull_r
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qh-*_r.htm
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qhull-exports_r.def // Export Definition file for Visual C++
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Makefile // Simple gcc Makefile for qhull and libqhullstatic.a
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libqhull_r.h // header file for qhull
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user_r.h // header file of user definable constants
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libqhull_r.c // Quickhull algorithm wi_r.hpartitioning
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user_r.c // user re-definable functions
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usermem.c
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userprintf.c
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userprintf_rbox.c
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qhull_ra.h // include files for libqhull/*_r.c
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geom_r.c // geometric routines
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geom2.c
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geom_r.h
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global_r.c // global variables
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io_r.c // input-output routines
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io_r.h
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mem_r.c // memory routines, this is stand-alone code
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mem.h
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merge_r.c // merging of non-convex facets
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merge.h
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poly_r.c // polyhedron routines
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poly2.c
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poly_r.h
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qset_r.c // set routines, this only depends on mem_r.c
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qset.h
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random_r.c // utilities w/ Park & Miller's random number generator
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random.h
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rboxlib_r.c // point set generator for rbox
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stat_r.c // statistics
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stat.h
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src/libqhullcpp/
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libqhullcpp.pro // Qt project for renentrant, static C++ library
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Qhull.cpp // Calls libqhull_r.c from C++
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Qhull.h
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qt-qhull.cpp // Supporting methods for Qt
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Coordinates.cpp // input classes
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Coordinates.h
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PointCoordinates.cpp
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PointCoordinates.h
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RboxPoints.cpp // call rboxlib.c from C++
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RboxPoints.h
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QhullFacet.cpp // data structure classes
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QhullFacet.h
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QhullHyperplane.cpp
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QhullHyperplane.h
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QhullPoint.cpp
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QhullPoint.h
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QhullQh.cpp
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QhullRidge.cpp
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QhullRidge.h
|
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QhullVertex.cpp
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QhullVertex.h
|
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QhullFacetList.cpp // collection classes
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QhullFacetList.h
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QhullFacetSet.cpp
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QhullFacetSet.h
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QhullIterator.h
|
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QhullLinkedList.h
|
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QhullPoints.cpp
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|
QhullPoints.h
|
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QhullPointSet.cpp
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|
QhullPointSet.h
|
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QhullSet.cpp
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QhullSet.h
|
|
QhullSets.h
|
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QhullVertexSet.cpp
|
|
QhullVertexSet.h
|
|
|
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functionObjects.h // supporting classes
|
|
QhullError.cpp
|
|
QhullError.h
|
|
QhullQh.cpp
|
|
QhullQh.h
|
|
QhullStat.cpp
|
|
QhullStat.h
|
|
RoadError.cpp // Supporting base classes
|
|
RoadError.h
|
|
RoadLogEvent.cpp
|
|
RoadLogEvent.h
|
|
usermem_r-cpp.cpp // Optional override for qh_exit() to throw an error
|
|
|
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src/libqhullstatic/
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|
libqhullstatic.pro // Qt project for non-reentrant, static library
|
|
|
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src/libqhullstatic_r/
|
|
libqhullstatic_r.pro // Qt project for reentrant, static library
|
|
|
|
src/qhulltest/
|
|
qhulltest.pro // Qt project for test of C++ interface
|
|
Coordinates_test.cpp // Test of each class
|
|
PointCoordinates_test.cpp
|
|
Qhull_test.cpp
|
|
QhullFacet_test.cpp
|
|
QhullFacetList_test.cpp
|
|
QhullFacetSet_test.cpp
|
|
QhullHyperplane_test.cpp
|
|
QhullLinkedList_test.cpp
|
|
QhullPoint_test.cpp
|
|
QhullPoints_test.cpp
|
|
QhullPointSet_test.cpp
|
|
QhullRidge_test.cpp
|
|
QhullSet_test.cpp
|
|
QhullVertex_test.cpp
|
|
QhullVertexSet_test.cpp
|
|
RboxPoints_test.cpp
|
|
RoadTest.cpp // Run multiple test files with QTestLib
|
|
RoadTest.h
|
|
|
|
-----------------
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|
Authors:
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C. Bradford Barber Hannu Huhdanpaa (Version 1.0)
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bradb@shore.net hannu@qhull.org
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Qhull 1.0 and 2.0 were developed under NSF grants NSF/DMS-8920161
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and NSF-CCR-91-15793 750-7504 at the Geometry Center and Harvard
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University. If you find Qhull useful, please let us know.
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