1 // Copyright (C) 2005 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
2 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
4 // This library is free software; you can redistribute it and/or
5 // modify it under the terms of the GNU Lesser General Public
6 // License as published by the Free Software Foundation; either
7 // version 2.1 of the License.
9 // This library is distributed in the hope that it will be useful
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 // Lesser General Public License for more details.
14 // You should have received a copy of the GNU Lesser General Public
15 // License along with this library; if not, write to the Free Software
16 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
21 #include <Standard_Stream.hxx>
23 #include <GEOMImpl_PointDriver.hxx>
24 #include <GEOMImpl_IPoint.hxx>
25 #include <GEOMImpl_Types.hxx>
26 #include <GEOM_Function.hxx>
28 #include <BRep_Tool.hxx>
29 #include <BRepBuilderAPI_MakeVertex.hxx>
33 #include <TopoDS_Edge.hxx>
34 #include <TopoDS_Shape.hxx>
35 #include <TopoDS_Vertex.hxx>
37 #include <Geom_Curve.hxx>
40 //=======================================================================
43 //=======================================================================
44 const Standard_GUID& GEOMImpl_PointDriver::GetID()
46 static Standard_GUID aPointDriver("FF1BBB02-5D14-4df2-980B-3A668264EA16");
51 //=======================================================================
52 //function : GEOMImpl_PointDriver
54 //=======================================================================
55 GEOMImpl_PointDriver::GEOMImpl_PointDriver()
59 //=======================================================================
62 //=======================================================================
63 Standard_Integer GEOMImpl_PointDriver::Execute(TFunction_Logbook& log) const
65 if (Label().IsNull()) return 0;
66 Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
68 GEOMImpl_IPoint aPI (aFunction);
69 Standard_Integer aType = aFunction->GetType();
73 if (aType == POINT_XYZ) {
74 aPnt = gp_Pnt(aPI.GetX(), aPI.GetY(), aPI.GetZ());
76 } else if (aType == POINT_XYZ_REF) {
78 Handle(GEOM_Function) aRefPoint = aPI.GetRef();
79 TopoDS_Shape aRefShape = aRefPoint->GetValue();
80 if (aRefShape.ShapeType() != TopAbs_VERTEX) {
81 Standard_TypeMismatch::Raise
82 ("Point creation aborted : referenced shape is not a vertex");
84 gp_Pnt P = BRep_Tool::Pnt(TopoDS::Vertex(aRefShape));
85 aPnt = gp_Pnt(P.X() + aPI.GetX(), P.Y() + aPI.GetY(), P.Z() + aPI.GetZ());
87 } else if (aType == POINT_CURVE_PAR) {
89 Handle(GEOM_Function) aRefCurve = aPI.GetCurve();
90 TopoDS_Shape aRefShape = aRefCurve->GetValue();
91 if (aRefShape.ShapeType() != TopAbs_EDGE) {
92 Standard_TypeMismatch::Raise
93 ("Point On Curve creation aborted : curve shape is not an edge");
95 Standard_Real aFP, aLP, aP;
96 Handle(Geom_Curve) aCurve = BRep_Tool::Curve(TopoDS::Edge(aRefShape), aFP, aLP);
97 aP = aFP + (aLP - aFP) * aPI.GetParameter();
98 aPnt = aCurve->Value(aP);
104 BRepBuilderAPI_MakeVertex mkVertex (aPnt);
105 TopoDS_Shape aShape = mkVertex.Shape();
106 aShape.Infinite(Standard_True);
107 aFunction->SetValue(aShape);
109 log.SetTouched(Label());
115 //=======================================================================
116 //function : GEOMImpl_PointDriver_Type_
118 //=======================================================================
119 Standard_EXPORT Handle_Standard_Type& GEOMImpl_PointDriver_Type_()
122 static Handle_Standard_Type aType1 = STANDARD_TYPE(TFunction_Driver);
123 if ( aType1.IsNull()) aType1 = STANDARD_TYPE(TFunction_Driver);
124 static Handle_Standard_Type aType2 = STANDARD_TYPE(MMgt_TShared);
125 if ( aType2.IsNull()) aType2 = STANDARD_TYPE(MMgt_TShared);
126 static Handle_Standard_Type aType3 = STANDARD_TYPE(Standard_Transient);
127 if ( aType3.IsNull()) aType3 = STANDARD_TYPE(Standard_Transient);
130 static Handle_Standard_Transient _Ancestors[]= {aType1,aType2,aType3,NULL};
131 static Handle_Standard_Type _aType = new Standard_Type("GEOMImpl_PointDriver",
132 sizeof(GEOMImpl_PointDriver),
134 (Standard_Address)_Ancestors,
135 (Standard_Address)NULL);
140 //=======================================================================
141 //function : DownCast
143 //=======================================================================
145 const Handle(GEOMImpl_PointDriver) Handle(GEOMImpl_PointDriver)::DownCast(const Handle(Standard_Transient)& AnObject)
147 Handle(GEOMImpl_PointDriver) _anOtherObject;
149 if (!AnObject.IsNull()) {
150 if (AnObject->IsKind(STANDARD_TYPE(GEOMImpl_PointDriver))) {
151 _anOtherObject = Handle(GEOMImpl_PointDriver)((Handle(GEOMImpl_PointDriver)&)AnObject);
155 return _anOtherObject ;