78 lines
2.1 KiB
C++
78 lines
2.1 KiB
C++
#include <iostream>
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#include <fstream>
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#include <catch2/catch.hpp>
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#include "libslic3r/OpenVDBUtils.hpp"
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#include "libslic3r/Format/OBJ.hpp"
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#if defined(WIN32) || defined(_WIN32)
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#define PATH_SEPARATOR R"(\)"
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#else
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#define PATH_SEPARATOR R"(/)"
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#endif
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static Slic3r::TriangleMesh load_model(const std::string &obj_filename)
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{
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Slic3r::TriangleMesh mesh;
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auto fpath = TEST_DATA_DIR PATH_SEPARATOR + obj_filename;
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Slic3r::load_obj(fpath.c_str(), &mesh);
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return mesh;
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}
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static bool _check_normals(const Slic3r::sla::Contour3D &mesh)
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{
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for (auto & face : mesh.faces3)
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{
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}
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return false;
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}
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TEST_CASE("Passing OpenVDB grid conversion produce similar geometry.", "[Hollowing]")
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{
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Slic3r::TriangleMesh in_mesh = load_model("20mm_cube.obj");
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Slic3r::sla::Contour3D imesh = Slic3r::sla::Contour3D{in_mesh};
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auto ptr = Slic3r::meshToVolume(imesh, {});
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REQUIRE(ptr);
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std::cout << "Grid class = " << ptr->getGridClass() << std::endl;
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Slic3r::sla::Contour3D omesh = Slic3r::volumeToMesh(*ptr, -2.9, 1.0, true);
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std::cout << "Triangle count: " << omesh.faces3.size() << std::endl;
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std::cout << "Quad count: " << omesh.faces4.size() << std::endl;
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REQUIRE(!omesh.empty());
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SECTION("Converting to Contour3D to TriangleMesh") {
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Slic3r::TriangleMesh msh = Slic3r::sla::to_triangle_mesh(omesh);
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msh.require_shared_vertices();
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msh.WriteOBJFile("out_tr.obj");
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REQUIRE(msh.volume() == Approx(in_mesh.volume()));
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}
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// omesh.faces4.clear();
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std::fstream outfile{"out.obj", std::ios::out};
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omesh.to_obj(outfile);
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}
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//TEST_CASE("Negative 3D offset should produce smaller object.", "[Hollowing]")
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//{
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// Slic3r::sla::Contour3D imesh = Slic3r::sla::Contour3D{load_model("20mm_cube.obj")};
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// auto ptr = Slic3r::meshToVolume(imesh, {});
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// REQUIRE(ptr);
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// Slic3r::sla::Contour3D omesh = Slic3r::volumeToMesh(*ptr, -1., 0.0, true);
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// REQUIRE(!omesh.empty());
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// imesh.merge(omesh);
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// std::fstream merged_outfile("merged_out.obj", std::ios::out);
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// imesh.to_obj(merged_outfile);
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//}
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