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Apply the Belt Slicing Transform to Painted Supports and Seams

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Painted support/seam facets, support volumes, seam occlusion, MMU and fuzzy skin painting (top/bottom
and side facets) and the adaptive infill octree used trafo_centered(), or trafo() with a centre-offset
shift, while the layers were sliced with the belt rotation, remap and Z lift; they now share
PrintObject::trafo_sliced().
This commit is contained in:
Hanif Koh
2026-09-14 17:27:32 +08:00
parent 9cca3093ee
commit 5092831007
5 changed files with 26 additions and 11 deletions
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src/libslic3r/PrintObjectSlice.cpp
+8 -1
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@@ -1806,6 +1806,13 @@ ExPolygons PrintObject::_shrink_contour_holes(double contour_delta, double hole_
return union_ex(new_ex_polys);
}
Transform3d PrintObject::trafo_sliced() const
{
Transform3d trafo = this->trafo_centered();
BeltSliceStrategy::apply_preslice_transforms(trafo, this->print()->config(), this->model_object()->volumes);
return trafo;
}
std::vector<Polygons> PrintObject::slice_support_volumes(const ModelVolumeType model_volume_type) const
{
auto it_volume = this->model_object()->volumes.begin();
@@ -1820,7 +1827,7 @@ std::vector<Polygons> PrintObject::slice_support_volumes(const ModelVolumeType m
const Print *print = this->print();
auto throw_on_cancel_callback = std::function<void()>([print](){ print->throw_if_canceled(); });
MeshSlicingParamsEx params;
params.trafo = this->trafo_centered();
params.trafo = this->trafo_sliced();
for (; it_volume != it_volume_end; ++ it_volume)
if ((*it_volume)->type() == model_volume_type) {
std::vector<ExPolygons> slices2 = slice_volume(*(*it_volume), zs, params, throw_on_cancel_callback);