3D-printing/OrcaSlicer
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Eradicated admesh from TriangleMesh:

Browse source 
TriangleMesh newly only holds indexed_triangle_set and
TriangleMeshStats. TriangleMeshStats contains an excerpt of stl_stats.
TriangleMeshStats are updated when initializing with indexed_triangle_set.

Admesh triangle mesh fixing is newly only used when loading an STL.
AMF / 3MF / OBJ file formats are already indexed triangle sets, thus
they are no more converted to admesh stl_file format, nor fixed
through admesh repair machinery. When importing AMF / 3MF / OBJ files,
volume is calculated and if negative, all faces are flipped. Also
a bounding box and number of open edges is calculated.

Implemented its_number_of_patches(), its_num_open_edges()
Optimized its_split(), its_is_splittable() using a visitor pattern.

Reworked QHull integration into TriangleMesh:
    1) Face normals were not right.
    2) Indexed triangle set is newly emitted instead of duplicating
       vertices for each face.

Fixed cut_mesh(): Orient the triangulated faces correctly.
This commit is contained in:
Vojtech Bubnik 2021-09-20 17:12:22 +02:00
parent f484953a5a
commit 8a2a9dba2f
59 changed files with 1056 additions and 1758 deletions
Download patch file Download diff file Expand all files Collapse all files

3
sandboxes/opencsg/Engine.cpp
View file

@ -409,7 +409,6 @@ void CSGDisplay::on_scene_updated(const Scene &scene)
interior.transform(po->trafo().inverse());
mshinst.merge(interior);
mshinst.require_shared_vertices();
mi->transform_mesh(&mshinst);
@ -417,14 +416,12 @@ void CSGDisplay::on_scene_updated(const Scene &scene)
auto center = bb.center().cast<float>();
mshinst.translate(-center);
mshinst.require_shared_vertices();
m_scene_cache.add_mesh(mshinst, OpenCSG::Intersection,
m_csgsettings.get_convexity());
}
for (const sla::DrainHole &holept : holedata) {
TriangleMesh holemesh = sla::to_triangle_mesh(holept.to_mesh());
holemesh.require_shared_vertices();
m_scene_cache.add_mesh(holemesh, OpenCSG::Subtraction, 1);
}
}

9
sandboxes/opencsg/ShaderCSGDisplay.cpp
View file

@ -43,7 +43,6 @@ void ShaderCSGDisplay::on_scene_updated(const Scene &scene)
interior.transform(po->trafo().inverse());
mshinst.merge(interior);
mshinst.require_shared_vertices();
mi->transform_mesh(&mshinst);
@ -51,15 +50,11 @@ void ShaderCSGDisplay::on_scene_updated(const Scene &scene)
auto center = bb.center().cast<float>();
mshinst.translate(-center);
mshinst.require_shared_vertices();
add_mesh(mshinst);
}
for (const sla::DrainHole &holept : holedata) {
TriangleMesh holemesh = sla::to_triangle_mesh(holept.to_mesh());
holemesh.require_shared_vertices();
add_mesh(holemesh);
}
for (const sla::DrainHole &holept : holedata)
add_mesh(sla::to_triangle_mesh(holept.to_mesh()));
}
repaint();