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Refactoring of adaptive cubic / support cubic:

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1) Octree is built directly from the triangle mesh by checking
   overlap of a triangle with an octree cell. This shall produce
   a tighter octree with less dense cells.
2) The same method is used for both the adaptive / support cubic infill,
   where for the support cubic infill the non-overhang triangles are
   ignored.
The AABB tree is no more used.
3) Optimized extraction of continuous infill lines in O(1) instead of O(n^2)
This commit is contained in:
Vojtech Bubnik 2020-09-17 18:39:28 +02:00
parent acdd5716bd
commit 37c5fe9923
16 changed files with 658 additions and 554 deletions
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32
src/libslic3r/Model.cpp
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@ -777,6 +777,38 @@ TriangleMesh ModelObject::raw_mesh() const
return mesh;
}
// Non-transformed (non-rotated, non-scaled, non-translated) sum of non-modifier object volumes.
// Currently used by ModelObject::mesh(), to calculate the 2D envelope for 2D plater
// and to display the object statistics at ModelObject::print_info().
indexed_triangle_set ModelObject::raw_indexed_triangle_set() const
{
size_t num_vertices = 0;
size_t num_faces = 0;
for (const ModelVolume *v : this->volumes)
if (v->is_model_part()) {
num_vertices += v->mesh().its.vertices.size();
num_faces += v->mesh().its.indices.size();
}
indexed_triangle_set out;
out.vertices.reserve(num_vertices);
out.indices.reserve(num_faces);
for (const ModelVolume *v : this->volumes)
if (v->is_model_part()) {
size_t i = out.vertices.size();
size_t j = out.indices.size();
append(out.vertices, v->mesh().its.vertices);
append(out.indices, v->mesh().its.indices);
auto m = v->get_matrix();
for (; i < out.vertices.size(); ++ i)
out.vertices[i] = (m * out.vertices[i].cast<double>()).cast<float>().eval();
if (v->is_left_handed()) {
for (; j < out.indices.size(); ++ j)
std::swap(out.indices[j][0], out.indices[j][1]);
}
}
return out;
}
// Non-transformed (non-rotated, non-scaled, non-translated) sum of all object volumes.
TriangleMesh ModelObject::full_raw_mesh() const
{