1 // Copyright (C) 2007-2008 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
22 #include <Standard_Stream.hxx>
24 #include <GEOMImpl_PointDriver.hxx>
25 #include <GEOMImpl_IPoint.hxx>
26 #include <GEOMImpl_Types.hxx>
27 #include <GEOM_Function.hxx>
29 #include <BRep_Tool.hxx>
30 #include <BRepBuilderAPI_MakeVertex.hxx>
31 #include <BRepExtrema_DistShapeShape.hxx>
32 #include <GeomAPI_ProjectPointOnCurve.hxx>
33 #include <GeomAPI_ProjectPointOnSurf.hxx>
34 #include <Precision.hxx>
37 #include <TopoDS_Edge.hxx>
38 #include <TopoDS_Shape.hxx>
39 #include <TopoDS_Vertex.hxx>
41 #include <Geom_Curve.hxx>
42 #include <Geom_Surface.hxx>
44 #include <TopoDS_Face.hxx>
45 #include <ShapeAnalysis.hxx>
48 //=======================================================================
51 //=======================================================================
52 const Standard_GUID& GEOMImpl_PointDriver::GetID()
54 static Standard_GUID aPointDriver("FF1BBB02-5D14-4df2-980B-3A668264EA16");
59 //=======================================================================
60 //function : GEOMImpl_PointDriver
62 //=======================================================================
63 GEOMImpl_PointDriver::GEOMImpl_PointDriver()
68 //=======================================================================
71 //=======================================================================
72 Standard_Integer GEOMImpl_PointDriver::Execute(TFunction_Logbook& log) const
74 if (Label().IsNull()) return 0;
75 Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
77 GEOMImpl_IPoint aPI (aFunction);
78 Standard_Integer aType = aFunction->GetType();
82 if (aType == POINT_XYZ) {
83 aPnt = gp_Pnt(aPI.GetX(), aPI.GetY(), aPI.GetZ());
86 else if (aType == POINT_XYZ_REF) {
88 Handle(GEOM_Function) aRefPoint = aPI.GetRef();
89 TopoDS_Shape aRefShape = aRefPoint->GetValue();
90 if (aRefShape.ShapeType() != TopAbs_VERTEX) {
91 Standard_TypeMismatch::Raise
92 ("Point creation aborted : referenced shape is not a vertex");
94 gp_Pnt P = BRep_Tool::Pnt(TopoDS::Vertex(aRefShape));
95 aPnt = gp_Pnt(P.X() + aPI.GetX(), P.Y() + aPI.GetY(), P.Z() + aPI.GetZ());
98 else if (aType == POINT_CURVE_PAR) {
99 Handle(GEOM_Function) aRefCurve = aPI.GetCurve();
100 TopoDS_Shape aRefShape = aRefCurve->GetValue();
101 if (aRefShape.ShapeType() != TopAbs_EDGE) {
102 Standard_TypeMismatch::Raise
103 ("Point On Curve creation aborted : curve shape is not an edge");
105 Standard_Real aFP, aLP, aP;
106 Handle(Geom_Curve) aCurve = BRep_Tool::Curve(TopoDS::Edge(aRefShape), aFP, aLP);
107 aP = aFP + (aLP - aFP) * aPI.GetParameter();
108 aPnt = aCurve->Value(aP);
110 else if (aType == POINT_CURVE_COORD) {
111 Handle(GEOM_Function) aRefCurve = aPI.GetCurve();
112 TopoDS_Shape aRefShape = aRefCurve->GetValue();
113 if (aRefShape.ShapeType() != TopAbs_EDGE) {
114 Standard_TypeMismatch::Raise
115 ("Point On Curve creation aborted : curve shape is not an edge");
117 Standard_Real aFP, aLP;
118 Handle(Geom_Curve) aCurve = BRep_Tool::Curve(TopoDS::Edge(aRefShape), aFP, aLP);
119 gp_Pnt anInitPnt( aPI.GetX(), aPI.GetY(), aPI.GetZ() );
120 GeomAPI_ProjectPointOnCurve aProj(anInitPnt, aCurve/*, aFP, aLP*/);
121 if ( aProj.NbPoints() <= 0 ) {
122 Standard_ConstructionError::Raise
123 ("Point On Curve creation aborted : cannot project point");
125 aPnt = aProj.NearestPoint();
127 else if (aType == POINT_SURFACE_PAR) {
128 Handle(GEOM_Function) aRefCurve = aPI.GetSurface();
129 TopoDS_Shape aRefShape = aRefCurve->GetValue();
130 if (aRefShape.ShapeType() != TopAbs_FACE) {
131 Standard_TypeMismatch::Raise
132 ("Point On Surface creation aborted : surface shape is not a face");
134 TopoDS_Face F = TopoDS::Face(aRefShape);
135 Handle(Geom_Surface) aSurf = BRep_Tool::Surface(F);
136 Standard_Real U1,U2,V1,V2;
137 //aSurf->Bounds(U1,U2,V1,V2);
138 ShapeAnalysis::GetFaceUVBounds(F,U1,U2,V1,V2);
139 Standard_Real U = U1 + (U2-U1) * aPI.GetParameter();
140 Standard_Real V = V1 + (V2-V1) * aPI.GetParameter2();
141 aPnt = aSurf->Value(U,V);
143 else if (aType == POINT_SURFACE_COORD) {
144 Handle(GEOM_Function) aRefCurve = aPI.GetSurface();
145 TopoDS_Shape aRefShape = aRefCurve->GetValue();
146 if (aRefShape.ShapeType() != TopAbs_FACE) {
147 Standard_TypeMismatch::Raise
148 ("Point On Surface creation aborted : surface shape is not a face");
150 TopoDS_Face F = TopoDS::Face(aRefShape);
151 Handle(Geom_Surface) aSurf = BRep_Tool::Surface(F);
152 Standard_Real U1,U2,V1,V2;
153 //aSurf->Bounds(U1,U2,V1,V2);
154 ShapeAnalysis::GetFaceUVBounds(F,U1,U2,V1,V2);
156 gp_Pnt anInitPnt( aPI.GetX(), aPI.GetY(), aPI.GetZ() );
157 GeomAPI_ProjectPointOnSurf aProj( anInitPnt, aSurf/*,
158 U1,U2,V1,V2, Precision::Confusion()*/ );
159 if ( !aProj.IsDone() ) {
160 Standard_ConstructionError::Raise
161 ("Point On Surface creation aborted : cannot project point");
163 aPnt = aProj.NearestPoint();
165 else if (aType == POINT_LINES_INTERSECTION) {
166 Handle(GEOM_Function) aRef1 = aPI.GetLine1();
167 Handle(GEOM_Function) aRef2 = aPI.GetLine2();
169 TopoDS_Shape aRefShape1 = aRef1->GetValue();
170 TopoDS_Shape aRefShape2 = aRef2->GetValue();
172 if (aRefShape1.ShapeType() != TopAbs_EDGE || aRefShape2.ShapeType() != TopAbs_EDGE ) {
173 Standard_TypeMismatch::Raise
174 ("Creation Point On Lines Intersection Aborted : Line shape is not an edge");
176 //Calculate Lines Intersection Point
177 BRepExtrema_DistShapeShape dst (aRefShape1, aRefShape2);
181 for (int i = 1; i <= dst.NbSolution(); i++) {
182 P1 = dst.PointOnShape1(i);
183 P2 = dst.PointOnShape2(i);
184 Standard_Real Dist = P1.Distance(P2);
185 if ( Dist <= Precision::Confusion() )
188 Standard_TypeMismatch::Raise ("Lines not have an Intersection Point");
196 BRepBuilderAPI_MakeVertex mkVertex (aPnt);
197 TopoDS_Shape aShape = mkVertex.Shape();
198 aShape.Infinite(Standard_True);
199 aFunction->SetValue(aShape);
201 log.SetTouched(Label());
207 //=======================================================================
208 //function : GEOMImpl_PointDriver_Type_
210 //=======================================================================
211 Standard_EXPORT Handle_Standard_Type& GEOMImpl_PointDriver_Type_()
214 static Handle_Standard_Type aType1 = STANDARD_TYPE(TFunction_Driver);
215 if ( aType1.IsNull()) aType1 = STANDARD_TYPE(TFunction_Driver);
216 static Handle_Standard_Type aType2 = STANDARD_TYPE(MMgt_TShared);
217 if ( aType2.IsNull()) aType2 = STANDARD_TYPE(MMgt_TShared);
218 static Handle_Standard_Type aType3 = STANDARD_TYPE(Standard_Transient);
219 if ( aType3.IsNull()) aType3 = STANDARD_TYPE(Standard_Transient);
222 static Handle_Standard_Transient _Ancestors[]= {aType1,aType2,aType3,NULL};
223 static Handle_Standard_Type _aType = new Standard_Type("GEOMImpl_PointDriver",
224 sizeof(GEOMImpl_PointDriver),
226 (Standard_Address)_Ancestors,
227 (Standard_Address)NULL);
232 //=======================================================================
233 //function : DownCast
235 //=======================================================================
237 const Handle(GEOMImpl_PointDriver) Handle(GEOMImpl_PointDriver)::DownCast(const Handle(Standard_Transient)& AnObject)
239 Handle(GEOMImpl_PointDriver) _anOtherObject;
241 if (!AnObject.IsNull()) {
242 if (AnObject->IsKind(STANDARD_TYPE(GEOMImpl_PointDriver))) {
243 _anOtherObject = Handle(GEOMImpl_PointDriver)((Handle(GEOMImpl_PointDriver)&)AnObject);
247 return _anOtherObject ;