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>
30 #include <BRepExtrema_DistShapeShape.hxx>
31 #include <Precision.hxx>
34 #include <TopoDS_Edge.hxx>
35 #include <TopoDS_Shape.hxx>
36 #include <TopoDS_Vertex.hxx>
38 #include <Geom_Curve.hxx>
39 #include <Geom_Surface.hxx>
41 #include <TopoDS_Face.hxx>
42 #include <ShapeAnalysis.hxx>
45 //=======================================================================
48 //=======================================================================
49 const Standard_GUID& GEOMImpl_PointDriver::GetID()
51 static Standard_GUID aPointDriver("FF1BBB02-5D14-4df2-980B-3A668264EA16");
56 //=======================================================================
57 //function : GEOMImpl_PointDriver
59 //=======================================================================
60 GEOMImpl_PointDriver::GEOMImpl_PointDriver()
65 //=======================================================================
68 //=======================================================================
69 Standard_Integer GEOMImpl_PointDriver::Execute(TFunction_Logbook& log) const
71 if (Label().IsNull()) return 0;
72 Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
74 GEOMImpl_IPoint aPI (aFunction);
75 Standard_Integer aType = aFunction->GetType();
79 if (aType == POINT_XYZ) {
80 aPnt = gp_Pnt(aPI.GetX(), aPI.GetY(), aPI.GetZ());
83 else if (aType == POINT_XYZ_REF) {
85 Handle(GEOM_Function) aRefPoint = aPI.GetRef();
86 TopoDS_Shape aRefShape = aRefPoint->GetValue();
87 if (aRefShape.ShapeType() != TopAbs_VERTEX) {
88 Standard_TypeMismatch::Raise
89 ("Point creation aborted : referenced shape is not a vertex");
91 gp_Pnt P = BRep_Tool::Pnt(TopoDS::Vertex(aRefShape));
92 aPnt = gp_Pnt(P.X() + aPI.GetX(), P.Y() + aPI.GetY(), P.Z() + aPI.GetZ());
95 else if (aType == POINT_CURVE_PAR) {
96 Handle(GEOM_Function) aRefCurve = aPI.GetCurve();
97 TopoDS_Shape aRefShape = aRefCurve->GetValue();
98 if (aRefShape.ShapeType() != TopAbs_EDGE) {
99 Standard_TypeMismatch::Raise
100 ("Point On Curve creation aborted : curve shape is not an edge");
102 Standard_Real aFP, aLP, aP;
103 Handle(Geom_Curve) aCurve = BRep_Tool::Curve(TopoDS::Edge(aRefShape), aFP, aLP);
104 aP = aFP + (aLP - aFP) * aPI.GetParameter();
105 aPnt = aCurve->Value(aP);
107 else if (aType == POINT_SURFACE_PAR) {
108 Handle(GEOM_Function) aRefCurve = aPI.GetSurface();
109 TopoDS_Shape aRefShape = aRefCurve->GetValue();
110 if (aRefShape.ShapeType() != TopAbs_FACE) {
111 Standard_TypeMismatch::Raise
112 ("Point On Surface creation aborted : surface shape is not a face");
114 TopoDS_Face F = TopoDS::Face(aRefShape);
115 Handle(Geom_Surface) aSurf = BRep_Tool::Surface(F);
116 Standard_Real U1,U2,V1,V2;
117 //aSurf->Bounds(U1,U2,V1,V2);
118 ShapeAnalysis::GetFaceUVBounds(F,U1,U2,V1,V2);
119 Standard_Real U = U1 + (U2-U1) * aPI.GetParameter();
120 Standard_Real V = V1 + (V2-V1) * aPI.GetParameter2();
121 aPnt = aSurf->Value(U,V);
123 else if (aType == POINT_LINES_INTERSECTION) {
124 Handle(GEOM_Function) aRef1 = aPI.GetLine1();
125 Handle(GEOM_Function) aRef2 = aPI.GetLine2();
127 TopoDS_Shape aRefShape1 = aRef1->GetValue();
128 TopoDS_Shape aRefShape2 = aRef2->GetValue();
130 if (aRefShape1.ShapeType() != TopAbs_EDGE || aRefShape2.ShapeType() != TopAbs_EDGE ) {
131 Standard_TypeMismatch::Raise
132 ("Creation Point On Lines Intersection Aborted : Line shape is not an edge");
134 //Calculate Lines Intersection Point
135 BRepExtrema_DistShapeShape dst (aRefShape1, aRefShape2);
139 for (int i = 1; i <= dst.NbSolution(); i++) {
140 P1 = dst.PointOnShape1(i);
141 P2 = dst.PointOnShape2(i);
142 Standard_Real Dist = P1.Distance(P2);
143 if ( Dist <= Precision::Confusion() )
146 Standard_TypeMismatch::Raise ("Lines not have an Intersection Point");
154 BRepBuilderAPI_MakeVertex mkVertex (aPnt);
155 TopoDS_Shape aShape = mkVertex.Shape();
156 aShape.Infinite(Standard_True);
157 aFunction->SetValue(aShape);
159 log.SetTouched(Label());
165 //=======================================================================
166 //function : GEOMImpl_PointDriver_Type_
168 //=======================================================================
169 Standard_EXPORT Handle_Standard_Type& GEOMImpl_PointDriver_Type_()
172 static Handle_Standard_Type aType1 = STANDARD_TYPE(TFunction_Driver);
173 if ( aType1.IsNull()) aType1 = STANDARD_TYPE(TFunction_Driver);
174 static Handle_Standard_Type aType2 = STANDARD_TYPE(MMgt_TShared);
175 if ( aType2.IsNull()) aType2 = STANDARD_TYPE(MMgt_TShared);
176 static Handle_Standard_Type aType3 = STANDARD_TYPE(Standard_Transient);
177 if ( aType3.IsNull()) aType3 = STANDARD_TYPE(Standard_Transient);
180 static Handle_Standard_Transient _Ancestors[]= {aType1,aType2,aType3,NULL};
181 static Handle_Standard_Type _aType = new Standard_Type("GEOMImpl_PointDriver",
182 sizeof(GEOMImpl_PointDriver),
184 (Standard_Address)_Ancestors,
185 (Standard_Address)NULL);
190 //=======================================================================
191 //function : DownCast
193 //=======================================================================
195 const Handle(GEOMImpl_PointDriver) Handle(GEOMImpl_PointDriver)::DownCast(const Handle(Standard_Transient)& AnObject)
197 Handle(GEOMImpl_PointDriver) _anOtherObject;
199 if (!AnObject.IsNull()) {
200 if (AnObject->IsKind(STANDARD_TYPE(GEOMImpl_PointDriver))) {
201 _anOtherObject = Handle(GEOMImpl_PointDriver)((Handle(GEOMImpl_PointDriver)&)AnObject);
205 return _anOtherObject ;