1 // Copyright (C) 2007-2010 CEA/DEN, EDF R&D, OPEN CASCADE
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
23 #include <Standard_Stream.hxx>
25 #include <GEOMImpl_SplineDriver.hxx>
26 #include <GEOMImpl_ISpline.hxx>
27 #include <GEOMImpl_Types.hxx>
28 #include <GEOM_Function.hxx>
30 #include <BRepBuilderAPI_MakeEdge.hxx>
31 #include <BRep_Tool.hxx>
36 #include <TopoDS_Shape.hxx>
37 #include <TopoDS_Edge.hxx>
38 #include <TopoDS_Vertex.hxx>
40 #include <Geom_BezierCurve.hxx>
41 //#include <GeomAPI_PointsToBSpline.hxx>
42 #include <GeomAPI_Interpolate.hxx>
46 #include <gp_Circ.hxx>
47 #include <Precision.hxx>
48 #include <TColgp_Array1OfPnt.hxx>
49 #include <TColgp_HArray1OfPnt.hxx>
51 //=======================================================================
54 //=======================================================================
55 const Standard_GUID& GEOMImpl_SplineDriver::GetID()
57 static Standard_GUID aSplineDriver("FF1BBB33-5D14-4df2-980B-3A668264EA16");
62 //=======================================================================
63 //function : GEOMImpl_SplineDriver
65 //=======================================================================
66 GEOMImpl_SplineDriver::GEOMImpl_SplineDriver()
70 //=======================================================================
73 //=======================================================================
74 Standard_Integer GEOMImpl_SplineDriver::Execute(TFunction_Logbook& log) const
76 if (Label().IsNull()) return 0;
77 Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
79 GEOMImpl_ISpline aCI (aFunction);
80 Standard_Integer aType = aFunction->GetType();
84 if (aType == SPLINE_BEZIER || aType == SPLINE_INTERPOLATION) {
85 int ind, aLen = aCI.GetLength();
86 if (aLen < 2) return 0;
87 Standard_Boolean isSeveral = Standard_False;
89 TColgp_Array1OfPnt CurvePoints (1, aLen);
90 for (ind = 1; ind <= aLen; ind++) {
91 Handle(GEOM_Function) aRefPoint = aCI.GetPoint(ind);
92 TopoDS_Shape aShapePnt = aRefPoint->GetValue();
93 if (aShapePnt.ShapeType() == TopAbs_VERTEX) {
94 gp_Pnt aP = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt));
95 if (!isSeveral && ind > 1) {
96 if (aP.Distance(aPrevP) > Precision::Confusion()) {
97 isSeveral = Standard_True;
100 CurvePoints.SetValue(ind, aP);
104 if (aType == SPLINE_BEZIER) {
106 Standard_ConstructionError::Raise("Points for Bezier Curve are too close");
108 Handle(Geom_BezierCurve) GBC = new Geom_BezierCurve(CurvePoints);
109 aShape = BRepBuilderAPI_MakeEdge(GBC).Edge();
111 //GeomAPI_PointsToBSpline GBC (CurvePoints);
112 //aShape = BRepBuilderAPI_MakeEdge(GBC).Edge();
113 Handle(TColgp_HArray1OfPnt) aHCurvePoints = new TColgp_HArray1OfPnt(1, aLen);
114 for (ind = 1; ind <= aLen; ind++) {
115 aHCurvePoints->SetValue(ind, CurvePoints.Value(ind));
117 int isClosed = aCI.GetIsClosed();
118 GeomAPI_Interpolate GBC (aHCurvePoints, isClosed, gp::Resolution());
121 aShape = BRepBuilderAPI_MakeEdge(GBC.Curve()).Edge();
129 if (aShape.IsNull()) return 0;
131 aFunction->SetValue(aShape);
133 log.SetTouched(Label());
139 //=======================================================================
140 //function : GEOMImpl_SplineDriver_Type_
142 //=======================================================================
143 Standard_EXPORT Handle_Standard_Type& GEOMImpl_SplineDriver_Type_()
146 static Handle_Standard_Type aType1 = STANDARD_TYPE(TFunction_Driver);
147 if ( aType1.IsNull()) aType1 = STANDARD_TYPE(TFunction_Driver);
148 static Handle_Standard_Type aType2 = STANDARD_TYPE(MMgt_TShared);
149 if ( aType2.IsNull()) aType2 = STANDARD_TYPE(MMgt_TShared);
150 static Handle_Standard_Type aType3 = STANDARD_TYPE(Standard_Transient);
151 if ( aType3.IsNull()) aType3 = STANDARD_TYPE(Standard_Transient);
154 static Handle_Standard_Transient _Ancestors[]= {aType1,aType2,aType3,NULL};
155 static Handle_Standard_Type _aType = new Standard_Type("GEOMImpl_SplineDriver",
156 sizeof(GEOMImpl_SplineDriver),
158 (Standard_Address)_Ancestors,
159 (Standard_Address)NULL);
164 //=======================================================================
165 //function : DownCast
167 //=======================================================================
168 const Handle(GEOMImpl_SplineDriver) Handle(GEOMImpl_SplineDriver)::DownCast(const Handle(Standard_Transient)& AnObject)
170 Handle(GEOMImpl_SplineDriver) _anOtherObject;
172 if (!AnObject.IsNull()) {
173 if (AnObject->IsKind(STANDARD_TYPE(GEOMImpl_SplineDriver))) {
174 _anOtherObject = Handle(GEOMImpl_SplineDriver)((Handle(GEOMImpl_SplineDriver)&)AnObject);
178 return _anOtherObject ;