88 lines
3.5 KiB
C++
88 lines
3.5 KiB
C++
#include <catch2/catch.hpp>
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#include "libslic3r/Model.hpp"
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#include "libslic3r/Format/3mf.hpp"
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#include "libslic3r/Format/stl.hpp"
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#include <boost/filesystem/operations.hpp>
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using namespace Slic3r;
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SCENARIO("Reading 3mf file", "[3mf]") {
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GIVEN("umlauts in the path of the file") {
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Model model;
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WHEN("3mf model is read") {
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std::string path = std::string(TEST_DATA_DIR) + "/test_3mf/Geräte/Büchse.3mf";
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DynamicPrintConfig config;
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bool ret = load_3mf(path.c_str(), &config, &model, false);
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THEN("load should succeed") {
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REQUIRE(ret);
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}
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}
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}
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}
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SCENARIO("Export+Import geometry to/from 3mf file cycle", "[3mf]") {
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GIVEN("world vertices coordinates before save") {
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// load a model from stl file
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Model src_model;
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std::string src_file = std::string(TEST_DATA_DIR) + "/test_3mf/prusa.stl";
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load_stl(src_file.c_str(), &src_model);
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src_model.add_default_instances();
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ModelObject* src_object = src_model.objects[0];
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// apply generic transformation to the 1st volume
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Geometry::Transformation src_volume_transform;
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src_volume_transform.set_offset(Vec3d(10.0, 20.0, 0.0));
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src_volume_transform.set_rotation(Vec3d(Geometry::deg2rad(25.0), Geometry::deg2rad(35.0), Geometry::deg2rad(45.0)));
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src_volume_transform.set_scaling_factor(Vec3d(1.1, 1.2, 1.3));
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src_volume_transform.set_mirror(Vec3d(-1.0, 1.0, -1.0));
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src_object->volumes[0]->set_transformation(src_volume_transform);
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// apply generic transformation to the 1st instance
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Geometry::Transformation src_instance_transform;
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src_instance_transform.set_offset(Vec3d(5.0, 10.0, 0.0));
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src_instance_transform.set_rotation(Vec3d(Geometry::deg2rad(12.0), Geometry::deg2rad(13.0), Geometry::deg2rad(14.0)));
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src_instance_transform.set_scaling_factor(Vec3d(0.9, 0.8, 0.7));
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src_instance_transform.set_mirror(Vec3d(1.0, -1.0, -1.0));
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src_object->instances[0]->set_transformation(src_instance_transform);
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WHEN("model is saved+loaded to/from 3mf file") {
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// save the model to 3mf file
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std::string test_file = std::string(TEST_DATA_DIR) + "/test_3mf/prusa.3mf";
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store_3mf(test_file.c_str(), &src_model, nullptr);
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// load back the model from the 3mf file
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Model dst_model;
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DynamicPrintConfig dst_config;
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load_3mf(test_file.c_str(), &dst_config, &dst_model, false);
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boost::filesystem::remove(test_file);
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// compare meshes
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TriangleMesh src_mesh = src_model.mesh();
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src_mesh.repair();
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TriangleMesh dst_mesh = dst_model.mesh();
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dst_mesh.repair();
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bool res = src_mesh.its.vertices.size() == dst_mesh.its.vertices.size();
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if (res)
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{
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for (size_t i = 0; i < dst_mesh.its.vertices.size(); ++i)
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{
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res &= dst_mesh.its.vertices[i].isApprox(src_mesh.its.vertices[i]);
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if (!res)
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{
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Vec3f diff = dst_mesh.its.vertices[i] - src_mesh.its.vertices[i];
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std::cout << i << ": diff " << to_string((Vec3d)diff.cast<double>()) << "\n";
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}
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}
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}
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THEN("world vertices coordinates after load match") {
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REQUIRE(res);
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}
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}
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}
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}
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