mirror of
https://git.dev.opencascade.org/repos/occt.git
synced 2025-04-16 10:08:36 +03:00
a8b605eb5e
Removed methods from Poly_Triangulation/Poly_PolygonOnTriangulation giving access to internal arrays of 2d and 3d nodes, triangles and normals.
93 lines
2.9 KiB
C++
93 lines
2.9 KiB
C++
// Copyright (c) 1999-2014 OPEN CASCADE SAS
|
|
//
|
|
// This file is part of Open CASCADE Technology software library.
|
|
//
|
|
// This library is free software; you can redistribute it and/or modify it under
|
|
// the terms of the GNU Lesser General Public License version 2.1 as published
|
|
// by the Free Software Foundation, with special exception defined in the file
|
|
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
|
|
// distribution for complete text of the license and disclaimer of any warranty.
|
|
//
|
|
// Alternatively, this file may be used under the terms of Open CASCADE
|
|
// commercial license or contractual agreement.
|
|
|
|
#include <StlAPI_Reader.hxx>
|
|
|
|
#include <BRep_Builder.hxx>
|
|
#include <BRepBuilderAPI_MakeFace.hxx>
|
|
#include <BRepBuilderAPI_MakePolygon.hxx>
|
|
#include <BRepBuilderAPI_MakeVertex.hxx>
|
|
#include <BRepBuilderAPI_Sewing.hxx>
|
|
#include <gp_Pnt.hxx>
|
|
#include <OSD_Path.hxx>
|
|
#include <RWStl.hxx>
|
|
#include <TopoDS_Compound.hxx>
|
|
#include <TopoDS_Edge.hxx>
|
|
#include <TopoDS_Face.hxx>
|
|
#include <TopoDS_Shape.hxx>
|
|
#include <TopoDS_Shell.hxx>
|
|
#include <TopoDS_Vertex.hxx>
|
|
#include <TopoDS_Wire.hxx>
|
|
|
|
//=============================================================================
|
|
//function : Read
|
|
//purpose :
|
|
//=============================================================================
|
|
Standard_Boolean StlAPI_Reader::Read (TopoDS_Shape& theShape,
|
|
const Standard_CString theFileName)
|
|
{
|
|
Handle(Poly_Triangulation) aMesh = RWStl::ReadFile (theFileName);
|
|
if (aMesh.IsNull())
|
|
{
|
|
return Standard_False;
|
|
}
|
|
|
|
TopoDS_Vertex aTriVertexes[3];
|
|
TopoDS_Face aFace;
|
|
TopoDS_Wire aWire;
|
|
BRepBuilderAPI_Sewing aSewingTool;
|
|
aSewingTool.Init (1.0e-06, Standard_True);
|
|
|
|
TopoDS_Compound aComp;
|
|
BRep_Builder BuildTool;
|
|
BuildTool.MakeCompound (aComp);
|
|
|
|
for (Standard_Integer aTriIdx = 1; aTriIdx <= aMesh->NbTriangles(); ++aTriIdx)
|
|
{
|
|
const Poly_Triangle aTriangle = aMesh->Triangle (aTriIdx);
|
|
|
|
Standard_Integer anId[3];
|
|
aTriangle.Get(anId[0], anId[1], anId[2]);
|
|
|
|
const gp_Pnt aPnt1 = aMesh->Node (anId[0]);
|
|
const gp_Pnt aPnt2 = aMesh->Node (anId[1]);
|
|
const gp_Pnt aPnt3 = aMesh->Node (anId[2]);
|
|
if (!(aPnt1.IsEqual (aPnt2, 0.0))
|
|
&& !(aPnt1.IsEqual (aPnt3, 0.0)))
|
|
{
|
|
aTriVertexes[0] = BRepBuilderAPI_MakeVertex (aPnt1);
|
|
aTriVertexes[1] = BRepBuilderAPI_MakeVertex (aPnt2);
|
|
aTriVertexes[2] = BRepBuilderAPI_MakeVertex (aPnt3);
|
|
|
|
aWire = BRepBuilderAPI_MakePolygon (aTriVertexes[0], aTriVertexes[1], aTriVertexes[2], Standard_True);
|
|
if (!aWire.IsNull())
|
|
{
|
|
aFace = BRepBuilderAPI_MakeFace (aWire);
|
|
if (!aFace.IsNull())
|
|
{
|
|
BuildTool.Add (aComp, aFace);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
aSewingTool.Load (aComp);
|
|
aSewingTool.Perform();
|
|
theShape = aSewingTool.SewedShape();
|
|
if (theShape.IsNull())
|
|
{
|
|
theShape = aComp;
|
|
}
|
|
return Standard_True;
|
|
}
|