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.
16 #include <ShapeUpgrade_EdgeDivide.ixx>
17 #include <BRep_Tool.hxx>
18 #include <ShapeAnalysis_Edge.hxx>
20 //=======================================================================
21 //function : ShapeUpgrade_EdgeDivide
23 //=======================================================================
25 ShapeUpgrade_EdgeDivide::ShapeUpgrade_EdgeDivide():
28 mySplitCurve3dTool = new ShapeUpgrade_SplitCurve3d;
29 mySplitCurve2dTool = new ShapeUpgrade_SplitCurve2d;
33 //=======================================================================
36 //=======================================================================
38 void ShapeUpgrade_EdgeDivide::Clear()
42 myHasCurve3d = Standard_False;
43 myHasCurve2d = Standard_False;
46 //=======================================================================
49 //=======================================================================
51 Standard_Boolean ShapeUpgrade_EdgeDivide::Compute(const TopoDS_Edge& anEdge)
56 Handle(Geom_Curve) curve3d = BRep_Tool::Curve (anEdge, f, l);
57 myHasCurve3d = !curve3d.IsNull();
59 Handle(ShapeUpgrade_SplitCurve3d) theSplit3dTool = GetSplitCurve3dTool();
61 theSplit3dTool->Init (curve3d, f, l);
62 theSplit3dTool->Compute();
63 myKnots3d = theSplit3dTool->SplitValues();
66 // on pcurve(s): all knots
67 // assume that if seam-edge, its pcurve1 and pcurve2 has the same split knots !!!
68 Standard_Real f2d = 0., l2d = 0.;
69 Handle(Geom2d_Curve) pcurve1;
70 if ( ! myFace.IsNull() ) { // process free edges
71 ShapeAnalysis_Edge sae;
72 sae.PCurve (anEdge, myFace, pcurve1, f2d, l2d, Standard_False);
74 myHasCurve2d = !pcurve1.IsNull();
76 Handle(ShapeUpgrade_SplitCurve2d) theSplit2dTool = GetSplitCurve2dTool();
78 theSplit2dTool->Init (pcurve1, f2d, l2d);
79 theSplit2dTool->Compute();
80 myKnots2d = theSplit2dTool->SplitValues();
83 if ( theSplit3dTool->Status ( ShapeExtend_DONE ) ||
84 theSplit2dTool->Status ( ShapeExtend_DONE ) )
87 return Standard_False;
90 //=======================================================================
91 //function : SetSplitCurve2dTool
93 //=======================================================================
95 void ShapeUpgrade_EdgeDivide::SetSplitCurve2dTool(const Handle(ShapeUpgrade_SplitCurve2d)& splitCurve2dTool)
97 mySplitCurve2dTool = splitCurve2dTool;
100 //=======================================================================
101 //function : SetSplitCurve3dTool
103 //=======================================================================
105 void ShapeUpgrade_EdgeDivide::SetSplitCurve3dTool(const Handle(ShapeUpgrade_SplitCurve3d)& splitCurve3dTool)
107 mySplitCurve3dTool = splitCurve3dTool;
110 //=======================================================================
111 //function : GetSplitCurve2dTool
113 //=======================================================================
115 Handle(ShapeUpgrade_SplitCurve2d) ShapeUpgrade_EdgeDivide::GetSplitCurve2dTool() const
117 return mySplitCurve2dTool;
120 Handle(ShapeUpgrade_SplitCurve3d) ShapeUpgrade_EdgeDivide::GetSplitCurve3dTool() const
122 return mySplitCurve3dTool;