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Add oversampling and gaussian filter to hollowing.

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* Additional steps hollowing and drilling in SPAPrint
* Remove SLABoilerPlate.hpp as it was empty.
This commit is contained in:
tamasmeszaros 2019-11-05 14:48:00 +01:00
parent d9d11e5686
commit 07fb9f6559
14 changed files with 66 additions and 93 deletions
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68
tests/libslic3r/test_hollowing.cpp
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@ -3,8 +3,11 @@
#include <catch2/catch.hpp>
#include "libslic3r/OpenVDBUtils.hpp"
#include <openvdb/tools/Filter.h>
#include "libslic3r/Format/OBJ.hpp"
#include <libnest2d/tools/benchmark.h>
#if defined(WIN32) || defined(_WIN32)
#define PATH_SEPARATOR R"(\)"
#else
@ -19,60 +22,39 @@ static Slic3r::TriangleMesh load_model(const std::string &obj_filename)
return mesh;
}
static bool _check_normals(const Slic3r::sla::Contour3D &mesh)
{
for (auto & face : mesh.faces3)
{
}
return false;
}
TEST_CASE("Passing OpenVDB grid conversion produce similar geometry.", "[Hollowing]")
TEST_CASE("Negative 3D offset should produce smaller object.", "[Hollowing]")
{
Slic3r::TriangleMesh in_mesh = load_model("20mm_cube.obj");
in_mesh.scale(3.);
Slic3r::sla::Contour3D imesh = Slic3r::sla::Contour3D{in_mesh};
auto ptr = Slic3r::meshToVolume(imesh, {});
Benchmark bench;
bench.start();
openvdb::math::Transform tr;
auto ptr = Slic3r::meshToVolume(imesh, {}, 0.0f, 10.0f);
REQUIRE(ptr);
std::cout << "Grid class = " << ptr->getGridClass() << std::endl;
openvdb::tools::Filter<openvdb::FloatGrid>{*ptr}.gaussian(1, 3);
Slic3r::sla::Contour3D omesh = Slic3r::volumeToMesh(*ptr, -2.9, 1.0, true);
std::cout << "Triangle count: " << omesh.faces3.size() << std::endl;
std::cout << "Quad count: " << omesh.faces4.size() << std::endl;
double iso_surface = -3.0;
double adaptivity = 0.5;
Slic3r::sla::Contour3D omesh = Slic3r::volumeToMesh(*ptr, iso_surface, adaptivity);
REQUIRE(!omesh.empty());
SECTION("Converting to Contour3D to TriangleMesh") {
Slic3r::TriangleMesh msh = Slic3r::sla::to_triangle_mesh(omesh);
msh.require_shared_vertices();
msh.WriteOBJFile("out_tr.obj");
REQUIRE(msh.volume() == Approx(in_mesh.volume()));
}
imesh.merge(omesh);
// omesh.faces4.clear();
std::fstream outfile{"out.obj", std::ios::out};
for (auto &p : imesh.points) p /= 3.;
bench.stop();
std::cout << "Elapsed processing time: " << bench.getElapsedSec() << std::endl;
std::fstream merged_outfile("merged_out.obj", std::ios::out);
imesh.to_obj(merged_outfile);
std::fstream outfile("out.obj", std::ios::out);
omesh.to_obj(outfile);
}
//TEST_CASE("Negative 3D offset should produce smaller object.", "[Hollowing]")
//{
// Slic3r::sla::Contour3D imesh = Slic3r::sla::Contour3D{load_model("20mm_cube.obj")};
// auto ptr = Slic3r::meshToVolume(imesh, {});
// REQUIRE(ptr);
// Slic3r::sla::Contour3D omesh = Slic3r::volumeToMesh(*ptr, -1., 0.0, true);
// REQUIRE(!omesh.empty());
// imesh.merge(omesh);
// std::fstream merged_outfile("merged_out.obj", std::ios::out);
// imesh.to_obj(merged_outfile);
//}