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Fixed FFF slicing of meshes with left hand oriented transformations applied.
Slight optimization of FFF slicing - optimized copy of an object with just a single volume.
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parent
eeae1c0495
commit
382326ffc8
3 changed files with 16 additions and 10 deletions
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@ -1790,15 +1790,16 @@ std::vector<ExPolygons> PrintObject::_slice_volumes(const std::vector<float> &z,
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if (! volumes.empty()) {
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// Compose mesh.
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//FIXME better to perform slicing over each volume separately and then to use a Boolean operation to merge them.
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TriangleMesh mesh;
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for (const ModelVolume *v : volumes)
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{
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TriangleMesh vol_mesh(v->mesh);
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vol_mesh.transform(v->get_matrix());
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TriangleMesh mesh(volumes.front()->mesh);
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mesh.transform(volumes.front()->get_matrix(), true);
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for (size_t idx_volume = 1; idx_volume < volumes.size(); ++ idx_volume) {
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const ModelVolume &model_volume = *volumes[idx_volume];
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TriangleMesh vol_mesh(model_volume.mesh);
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vol_mesh.transform(model_volume.get_matrix(), true);
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mesh.merge(vol_mesh);
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}
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if (mesh.stl.stats.number_of_facets > 0) {
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mesh.transform(m_trafo);
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mesh.transform(m_trafo, true);
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// apply XY shift
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mesh.translate(- unscale<float>(m_copies_shift(0)), - unscale<float>(m_copies_shift(1)), 0);
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// perform actual slicing
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@ -1819,9 +1820,9 @@ std::vector<ExPolygons> PrintObject::_slice_volume(const std::vector<float> &z,
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// Compose mesh.
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//FIXME better to perform slicing over each volume separately and then to use a Boolean operation to merge them.
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TriangleMesh mesh(volume.mesh);
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mesh.transform(volume.get_matrix());
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mesh.transform(volume.get_matrix(), true);
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if (mesh.stl.stats.number_of_facets > 0) {
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mesh.transform(m_trafo);
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mesh.transform(m_trafo, true);
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// apply XY shift
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mesh.translate(- unscale<float>(m_copies_shift(0)), - unscale<float>(m_copies_shift(1)), 0);
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// perform actual slicing
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