1 // Created on: 2000-05-24
2 // Created by: data exchange team
3 // Copyright (c) 2000-2014 OPEN CASCADE SAS
5 // This file is part of Open CASCADE Technology software library.
7 // This library is free software; you can redistribute it and/or modify it under
8 // the terms of the GNU Lesser General Public License version 2.1 as published
9 // by the Free Software Foundation, with special exception defined in the file
10 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
11 // distribution for complete text of the license and disclaimer of any warranty.
13 // Alternatively, this file may be used under the terms of Open CASCADE
14 // commercial license or contractual agreement.
17 #include <BRep_Tool.hxx>
18 #include <ShapeAnalysis_Edge.hxx>
19 #include <ShapeUpgrade_EdgeDivide.hxx>
20 #include <ShapeUpgrade_SplitCurve2d.hxx>
21 #include <ShapeUpgrade_SplitCurve3d.hxx>
22 #include <Standard_Type.hxx>
23 #include <TopoDS_Edge.hxx>
24 #include <TopoDS_Face.hxx>
26 //=======================================================================
27 //function : ShapeUpgrade_EdgeDivide
29 //=======================================================================
30 ShapeUpgrade_EdgeDivide::ShapeUpgrade_EdgeDivide():
33 mySplitCurve3dTool = new ShapeUpgrade_SplitCurve3d;
34 mySplitCurve2dTool = new ShapeUpgrade_SplitCurve2d;
38 //=======================================================================
41 //=======================================================================
43 void ShapeUpgrade_EdgeDivide::Clear()
47 myHasCurve3d = Standard_False;
48 myHasCurve2d = Standard_False;
51 //=======================================================================
54 //=======================================================================
56 Standard_Boolean ShapeUpgrade_EdgeDivide::Compute(const TopoDS_Edge& anEdge)
61 Handle(Geom_Curve) curve3d = BRep_Tool::Curve (anEdge, f, l);
62 myHasCurve3d = !curve3d.IsNull();
64 Handle(ShapeUpgrade_SplitCurve3d) theSplit3dTool = GetSplitCurve3dTool();
66 theSplit3dTool->Init (curve3d, f, l);
67 theSplit3dTool->Compute();
68 myKnots3d = theSplit3dTool->SplitValues();
71 // on pcurve(s): all knots
72 // assume that if seam-edge, its pcurve1 and pcurve2 has the same split knots !!!
73 Standard_Real f2d = 0., l2d = 0.;
74 Handle(Geom2d_Curve) pcurve1;
75 if ( ! myFace.IsNull() ) { // process free edges
76 ShapeAnalysis_Edge sae;
77 sae.PCurve (anEdge, myFace, pcurve1, f2d, l2d, Standard_False);
79 myHasCurve2d = !pcurve1.IsNull();
81 Handle(ShapeUpgrade_SplitCurve2d) theSplit2dTool = GetSplitCurve2dTool();
83 theSplit2dTool->Init (pcurve1, f2d, l2d);
84 theSplit2dTool->Compute();
85 myKnots2d = theSplit2dTool->SplitValues();
88 if ( theSplit3dTool->Status ( ShapeExtend_DONE ) ||
89 theSplit2dTool->Status ( ShapeExtend_DONE ) )
92 return Standard_False;
95 //=======================================================================
96 //function : SetSplitCurve2dTool
98 //=======================================================================
100 void ShapeUpgrade_EdgeDivide::SetSplitCurve2dTool(const Handle(ShapeUpgrade_SplitCurve2d)& splitCurve2dTool)
102 mySplitCurve2dTool = splitCurve2dTool;
105 //=======================================================================
106 //function : SetSplitCurve3dTool
108 //=======================================================================
110 void ShapeUpgrade_EdgeDivide::SetSplitCurve3dTool(const Handle(ShapeUpgrade_SplitCurve3d)& splitCurve3dTool)
112 mySplitCurve3dTool = splitCurve3dTool;
115 //=======================================================================
116 //function : GetSplitCurve2dTool
118 //=======================================================================
120 Handle(ShapeUpgrade_SplitCurve2d) ShapeUpgrade_EdgeDivide::GetSplitCurve2dTool() const
122 return mySplitCurve2dTool;
125 Handle(ShapeUpgrade_SplitCurve3d) ShapeUpgrade_EdgeDivide::GetSplitCurve3dTool() const
127 return mySplitCurve3dTool;