3DPrinting/PrusaSlicer-NonPlainar
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Fix for crash when generating supports with empty input points

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This commit is contained in:
tamasmeszaros 2018-11-23 10:28:26 +01:00
parent 45b51bd40e
commit 7fe7f33b80
2 changed files with 6 additions and 5 deletions
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8
src/libslic3r/SLA/SLASupportTree.cpp
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@ -929,6 +929,9 @@ bool SLASupportTree::generate(const PointSet &points,
const SupportConfig &cfg, const SupportConfig &cfg,
const Controller &ctl) const Controller &ctl)
{ {
// If there are no input points there is no point in doing anything
if(points.rows() == 0) return false;
PointSet filtered_points; // all valid support points PointSet filtered_points; // all valid support points
PointSet head_positions; // support points with pinhead PointSet head_positions; // support points with pinhead
PointSet head_normals; // head normals PointSet head_normals; // head normals
@ -1619,10 +1622,7 @@ bool SLASupportTree::generate(const PointSet &points,
return pc == ABORT; return pc == ABORT;
} }
SLASupportTree::SLASupportTree(): m_impl(new Impl()) SLASupportTree::SLASupportTree(): m_impl(new Impl()) {}
{
}
const TriangleMesh &SLASupportTree::merged_mesh() const const TriangleMesh &SLASupportTree::merged_mesh() const
{ {

3
src/libslic3r/SLA/SLASupportTreeIGL.cpp
View file

@ -84,6 +84,7 @@ size_t SpatIndex::size() const
} }
PointSet normals(const PointSet& points, const EigenMesh3D& mesh) { PointSet normals(const PointSet& points, const EigenMesh3D& mesh) {
if(points.rows() == 0 || mesh.V.rows() == 0 || mesh.F.rows() == 0) return {};
#ifdef IGL_COMPATIBLE #ifdef IGL_COMPATIBLE
Eigen::VectorXd dists; Eigen::VectorXd dists;
Eigen::VectorXi I; Eigen::VectorXi I;
@ -108,7 +109,7 @@ PointSet normals(const PointSet& points, const EigenMesh3D& mesh) {
} }
return ret; return ret;
#else #else // TODO: do something on 32 bit windows
return {}; return {};
#endif #endif
} }