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82 lines
2.1 KiB
C++
Executable File
82 lines
2.1 KiB
C++
Executable File
#include <StlAPI_Reader.ixx>
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#include <RWStl.hxx>
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#include <StlMesh_Mesh.hxx>
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#include <OSD_Path.hxx>
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#include <BRep_Builder.hxx>
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#include <BRepBuilderAPI_MakeVertex.hxx>
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#include <BRepBuilderAPI_MakePolygon.hxx>
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#include <BRepBuilderAPI_MakeFace.hxx>
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#include <BRepBuilderAPI_Sewing.hxx>
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#include <gp_Pnt.hxx>
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#include <TopoDS_Compound.hxx>
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#include <TopoDS_Wire.hxx>
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#include <TopoDS_Edge.hxx>
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#include <TopoDS_Vertex.hxx>
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#include <TopoDS_Face.hxx>
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#include <TopoDS_Shell.hxx>
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#include <StlMesh_MeshExplorer.hxx>
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StlAPI_Reader::StlAPI_Reader() {}
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void StlAPI_Reader::Read(TopoDS_Shape& aShape, const Standard_CString aFileName)
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{
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OSD_Path aFile(aFileName);
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Handle(StlMesh_Mesh) aSTLMesh = RWStl::ReadFile(aFile);
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Standard_Integer NumberDomains = aSTLMesh->NbDomains();
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Standard_Integer iND;
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gp_XYZ p1, p2, p3;
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TopoDS_Vertex Vertex1, Vertex2, Vertex3;
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TopoDS_Face AktFace;
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TopoDS_Wire AktWire;
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BRepBuilderAPI_Sewing aSewingTool;
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Standard_Real x1, y1, z1;
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Standard_Real x2, y2, z2;
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Standard_Real x3, y3, z3;
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aSewingTool.Init(1.0e-06,Standard_True);
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TopoDS_Compound aComp;
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BRep_Builder BuildTool;
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BuildTool.MakeCompound( aComp );
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StlMesh_MeshExplorer aMExp (aSTLMesh);
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for (iND=1;iND<=NumberDomains;iND++)
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{
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for (aMExp.InitTriangle (iND); aMExp.MoreTriangle (); aMExp.NextTriangle ())
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{
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aMExp.TriangleVertices (x1,y1,z1,x2,y2,z2,x3,y3,z3);
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p1.SetCoord(x1,y1,z1);
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p2.SetCoord(x2,y2,z2);
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p3.SetCoord(x3,y3,z3);
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if ((!(p1.IsEqual(p2,0.0))) && (!(p1.IsEqual(p3,0.0))))
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{
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Vertex1 = BRepBuilderAPI_MakeVertex(p1);
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Vertex2 = BRepBuilderAPI_MakeVertex(p2);
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Vertex3 = BRepBuilderAPI_MakeVertex(p3);
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AktWire = BRepBuilderAPI_MakePolygon( Vertex1, Vertex2, Vertex3, Standard_True);
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if( !AktWire.IsNull())
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{
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AktFace = BRepBuilderAPI_MakeFace( AktWire);
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if(!AktFace.IsNull())
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BuildTool.Add( aComp, AktFace );
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}
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}
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}
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}
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aSTLMesh->Clear();
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aSewingTool.Load( aComp );
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aSewingTool.Perform();
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aShape = aSewingTool.SewedShape();
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if ( aShape.IsNull() )
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aShape = aComp;
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}
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