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 IMPLEMENT_STANDARD_RTTIEXT(ShapeUpgrade_EdgeDivide,ShapeUpgrade_Tool)
28 //=======================================================================
29 //function : ShapeUpgrade_EdgeDivide
31 //=======================================================================
32 ShapeUpgrade_EdgeDivide::ShapeUpgrade_EdgeDivide():
35 mySplitCurve3dTool = new ShapeUpgrade_SplitCurve3d;
36 mySplitCurve2dTool = new ShapeUpgrade_SplitCurve2d;
40 //=======================================================================
43 //=======================================================================
45 void ShapeUpgrade_EdgeDivide::Clear()
49 myHasCurve3d = Standard_False;
50 myHasCurve2d = Standard_False;
53 //=======================================================================
56 //=======================================================================
58 Standard_Boolean ShapeUpgrade_EdgeDivide::Compute(const TopoDS_Edge& anEdge)
63 Handle(Geom_Curve) curve3d = BRep_Tool::Curve (anEdge, f, l);
64 myHasCurve3d = !curve3d.IsNull();
66 Handle(ShapeUpgrade_SplitCurve3d) theSplit3dTool = GetSplitCurve3dTool();
68 theSplit3dTool->Init (curve3d, f, l);
69 theSplit3dTool->Compute();
70 myKnots3d = theSplit3dTool->SplitValues();
73 // on pcurve(s): all knots
74 // assume that if seam-edge, its pcurve1 and pcurve2 has the same split knots !!!
75 Standard_Real f2d = 0., l2d = 0.;
76 Handle(Geom2d_Curve) pcurve1;
77 if ( ! myFace.IsNull() ) { // process free edges
78 ShapeAnalysis_Edge sae;
79 sae.PCurve (anEdge, myFace, pcurve1, f2d, l2d, Standard_False);
81 myHasCurve2d = !pcurve1.IsNull();
83 Handle(ShapeUpgrade_SplitCurve2d) theSplit2dTool = GetSplitCurve2dTool();
85 theSplit2dTool->Init (pcurve1, f2d, l2d);
86 theSplit2dTool->Compute();
87 myKnots2d = theSplit2dTool->SplitValues();
90 if ( theSplit3dTool->Status ( ShapeExtend_DONE ) ||
91 theSplit2dTool->Status ( ShapeExtend_DONE ) )
94 return Standard_False;
97 //=======================================================================
98 //function : SetSplitCurve2dTool
100 //=======================================================================
102 void ShapeUpgrade_EdgeDivide::SetSplitCurve2dTool(const Handle(ShapeUpgrade_SplitCurve2d)& splitCurve2dTool)
104 mySplitCurve2dTool = splitCurve2dTool;
107 //=======================================================================
108 //function : SetSplitCurve3dTool
110 //=======================================================================
112 void ShapeUpgrade_EdgeDivide::SetSplitCurve3dTool(const Handle(ShapeUpgrade_SplitCurve3d)& splitCurve3dTool)
114 mySplitCurve3dTool = splitCurve3dTool;
117 //=======================================================================
118 //function : GetSplitCurve2dTool
120 //=======================================================================
122 Handle(ShapeUpgrade_SplitCurve2d) ShapeUpgrade_EdgeDivide::GetSplitCurve2dTool() const
124 return mySplitCurve2dTool;
127 Handle(ShapeUpgrade_SplitCurve3d) ShapeUpgrade_EdgeDivide::GetSplitCurve3dTool() const
129 return mySplitCurve3dTool;