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>
41 //=======================================================================
44 //=======================================================================
45 const Standard_GUID& GEOMImpl_PointDriver::GetID()
47 static Standard_GUID aPointDriver("FF1BBB02-5D14-4df2-980B-3A668264EA16");
52 //=======================================================================
53 //function : GEOMImpl_PointDriver
55 //=======================================================================
56 GEOMImpl_PointDriver::GEOMImpl_PointDriver()
60 //=======================================================================
63 //=======================================================================
64 Standard_Integer GEOMImpl_PointDriver::Execute(TFunction_Logbook& log) const
66 if (Label().IsNull()) return 0;
67 Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
69 GEOMImpl_IPoint aPI (aFunction);
70 Standard_Integer aType = aFunction->GetType();
74 if (aType == POINT_XYZ) {
75 aPnt = gp_Pnt(aPI.GetX(), aPI.GetY(), aPI.GetZ());
77 } else if (aType == POINT_XYZ_REF) {
79 Handle(GEOM_Function) aRefPoint = aPI.GetRef();
80 TopoDS_Shape aRefShape = aRefPoint->GetValue();
81 if (aRefShape.ShapeType() != TopAbs_VERTEX) {
82 Standard_TypeMismatch::Raise
83 ("Point creation aborted : referenced shape is not a vertex");
85 gp_Pnt P = BRep_Tool::Pnt(TopoDS::Vertex(aRefShape));
86 aPnt = gp_Pnt(P.X() + aPI.GetX(), P.Y() + aPI.GetY(), P.Z() + aPI.GetZ());
88 } else if (aType == POINT_CURVE_PAR) {
90 Handle(GEOM_Function) aRefCurve = aPI.GetCurve();
91 TopoDS_Shape aRefShape = aRefCurve->GetValue();
92 if (aRefShape.ShapeType() != TopAbs_EDGE) {
93 Standard_TypeMismatch::Raise
94 ("Point On Curve creation aborted : curve shape is not an edge");
96 Standard_Real aFP, aLP, aP;
97 Handle(Geom_Curve) aCurve = BRep_Tool::Curve(TopoDS::Edge(aRefShape), aFP, aLP);
98 aP = aFP + (aLP - aFP) * aPI.GetParameter();
99 aPnt = aCurve->Value(aP);
101 } else if (aType == POINT_LINES_INTERSECTION) {
102 Handle(GEOM_Function) aRef1 = aPI.GetLine1();
103 Handle(GEOM_Function) aRef2 = aPI.GetLine2();
105 TopoDS_Shape aRefShape1 = aRef1->GetValue();
106 TopoDS_Shape aRefShape2 = aRef2->GetValue();
108 if (aRefShape1.ShapeType() != TopAbs_EDGE || aRefShape2.ShapeType() != TopAbs_EDGE ) {
109 Standard_TypeMismatch::Raise
110 ("Creation Point On Lines Intersection Aborted : Line shape is not an edge");
112 //Calculate Lines Intersection Point
113 BRepExtrema_DistShapeShape dst (aRefShape1, aRefShape2);
117 for (int i = 1; i <= dst.NbSolution(); i++) {
118 P1 = dst.PointOnShape1(i);
119 P2 = dst.PointOnShape2(i);
120 Standard_Real Dist = P1.Distance(P2);
121 if ( Dist <= Precision::Confusion() )
124 Standard_TypeMismatch::Raise ("Lines not have an Intersection Point");
132 BRepBuilderAPI_MakeVertex mkVertex (aPnt);
133 TopoDS_Shape aShape = mkVertex.Shape();
134 aShape.Infinite(Standard_True);
135 aFunction->SetValue(aShape);
137 log.SetTouched(Label());
143 //=======================================================================
144 //function : GEOMImpl_PointDriver_Type_
146 //=======================================================================
147 Standard_EXPORT Handle_Standard_Type& GEOMImpl_PointDriver_Type_()
150 static Handle_Standard_Type aType1 = STANDARD_TYPE(TFunction_Driver);
151 if ( aType1.IsNull()) aType1 = STANDARD_TYPE(TFunction_Driver);
152 static Handle_Standard_Type aType2 = STANDARD_TYPE(MMgt_TShared);
153 if ( aType2.IsNull()) aType2 = STANDARD_TYPE(MMgt_TShared);
154 static Handle_Standard_Type aType3 = STANDARD_TYPE(Standard_Transient);
155 if ( aType3.IsNull()) aType3 = STANDARD_TYPE(Standard_Transient);
158 static Handle_Standard_Transient _Ancestors[]= {aType1,aType2,aType3,NULL};
159 static Handle_Standard_Type _aType = new Standard_Type("GEOMImpl_PointDriver",
160 sizeof(GEOMImpl_PointDriver),
162 (Standard_Address)_Ancestors,
163 (Standard_Address)NULL);
168 //=======================================================================
169 //function : DownCast
171 //=======================================================================
173 const Handle(GEOMImpl_PointDriver) Handle(GEOMImpl_PointDriver)::DownCast(const Handle(Standard_Transient)& AnObject)
175 Handle(GEOMImpl_PointDriver) _anOtherObject;
177 if (!AnObject.IsNull()) {
178 if (AnObject->IsKind(STANDARD_TYPE(GEOMImpl_PointDriver))) {
179 _anOtherObject = Handle(GEOMImpl_PointDriver)((Handle(GEOMImpl_PointDriver)&)AnObject);
183 return _anOtherObject ;