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# do not change normals in sphere

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mzernova 2024-07-24 17:25:02 +01:00
parent 2c4ff5d7fc
commit a729c5d3da
1 changed files with 9 additions and 0 deletions
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9
src/StdPrs/StdPrs_ShadedShape.cxx
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@ -19,6 +19,7 @@
#include <BRepTools.hxx> #include <BRepTools.hxx>
#include <BRep_Builder.hxx> #include <BRep_Builder.hxx>
#include <BRep_Tool.hxx> #include <BRep_Tool.hxx>
#include <Geom_SphericalSurface.hxx>
#include <Graphic3d_ArrayOfSegments.hxx> #include <Graphic3d_ArrayOfSegments.hxx>
#include <Graphic3d_ArrayOfTriangles.hxx> #include <Graphic3d_ArrayOfTriangles.hxx>
#include <Graphic3d_Group.hxx> #include <Graphic3d_Group.hxx>
@ -206,6 +207,14 @@ namespace
aNbVertices += aT->NbNodes(); aNbVertices += aT->NbNodes();
// estimate number of degenerated nodes to be duplicated // estimate number of degenerated nodes to be duplicated
TopLoc_Location aLocSurf;
const Handle(Geom_Surface)& aSurf = BRep_Tool::Surface (aFace, aLocSurf);
if (Handle(Geom_SphericalSurface) aGeomSphere = Handle(Geom_SphericalSurface)::DownCast(aSurf))
{
// do not change normals in sphere
continue;
}
for (TopExp_Explorer anEdgeIt (aFace, TopAbs_EDGE); anEdgeIt.More(); anEdgeIt.Next()) for (TopExp_Explorer anEdgeIt (aFace, TopAbs_EDGE); anEdgeIt.More(); anEdgeIt.Next())
{ {
const TopoDS_Edge& anEdge = TopoDS::Edge(anEdgeIt.Current()); const TopoDS_Edge& anEdge = TopoDS::Edge(anEdgeIt.Current());