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41 lines
987 B
C++
41 lines
987 B
C++
#include <Bnd_Box.hxx>
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#include <BRepBndLib.hxx>
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#include <BRep_TVertex.hxx>
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#include "occ_utils.hpp"
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namespace netgen
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{
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Point<3> occ2ng (Handle(TopoDS_TShape) shape)
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{
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return occ2ng( Handle(BRep_TVertex)::DownCast(shape)->Pnt() );
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}
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Transformation<3> occ2ng (const gp_Trsf & occ_trafo)
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{
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Transformation<3> trafo;
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auto v = occ_trafo.TranslationPart();
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auto m = occ_trafo.VectorialPart();
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auto & tv = trafo.GetVector();
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auto & tm = trafo.GetMatrix();
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for(auto i : Range(3))
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{
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tv[i] = v.Coord(i+1);
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for(auto k : Range(3))
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tm(i,k) = m(i+1,k+1);
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}
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return trafo;
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}
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Box<3> GetBoundingBox( const TopoDS_Shape & shape )
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{
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Bnd_Box bb;
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#if OCC_VERSION_HEX < 0x070000
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BRepBndLib::Add (shape, bb);
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#else
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BRepBndLib::Add (shape, bb, true);
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#endif
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return {occ2ng(bb.CornerMin()), occ2ng(bb.CornerMax())};
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}
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}
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