3DPrinting/PrusaSlicer-NonPlainar
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Export boolean-ed models if possible to STL/obj files

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This commit is contained in:
tamasmeszaros 2023-02-28 11:06:19 +01:00
parent e103f287ca
commit 4e64e7e74f
1 changed files with 31 additions and 7 deletions
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38
src/slic3r/GUI/Plater.cpp
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@ -54,6 +54,10 @@
#include "libslic3r/ClipperUtils.hpp"
#include "libslic3r/miniz_extension.hpp"
// For stl export
#include "libslic3r/CSGMesh/ModelToCSGMesh.hpp"
#include "libslic3r/CSGMesh/PerformCSGMeshBooleans.hpp"
#include "GUI.hpp"
#include "GUI_App.hpp"
#include "GUI_ObjectList.hpp"
@ -6382,14 +6386,34 @@ void Plater::export_stl_obj(bool extended, bool selection_only)
return;
// Following lambda generates a combined mesh for export with normals pointing outwards.
auto mesh_to_export_fff = [](const ModelObject& mo, int instance_id) {
auto mesh_to_export_fff = [this](const ModelObject& mo, int instance_id) {
TriangleMesh mesh;
for (const ModelVolume* v : mo.volumes)
if (v->is_model_part()) {
TriangleMesh vol_mesh(v->mesh());
vol_mesh.transform(v->get_matrix(), true);
mesh.merge(vol_mesh);
}
std::vector<csg::CSGPart> csgmesh;
csgmesh.reserve(2 * mo.volumes.size());
csg::model_to_csgmesh(mo, Transform3d::Identity(), std::back_inserter(csgmesh),
csg::mpartsPositive | csg::mpartsNegative | csg::mpartsDoSplits);
if (csg::check_csgmesh_booleans(range(csgmesh)) == csgmesh.end()) {
try {
auto cgalm = csg::perform_csgmesh_booleans(range(csgmesh));
mesh = MeshBoolean::cgal::cgal_to_triangle_mesh(*cgalm);
} catch (...) {}
}
if (mesh.empty()) {
get_notification_manager()->push_plater_warning_notification(
_u8L("Unable to perform boolean operation on model meshes. "
"Only positive parts will be exported."));
for (const ModelVolume* v : mo.volumes)
if (v->is_model_part()) {
TriangleMesh vol_mesh(v->mesh());
vol_mesh.transform(v->get_matrix(), true);
mesh.merge(vol_mesh);
}
}
if (instance_id == -1) {
TriangleMesh vols_mesh(mesh);
mesh = TriangleMesh();