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_PointDriver.hxx>
26 #include <GEOMImpl_IPoint.hxx>
27 #include <GEOMImpl_Types.hxx>
28 #include <GEOM_Function.hxx>
30 #include <BRep_Tool.hxx>
31 #include <BRepBuilderAPI_MakeVertex.hxx>
32 #include <BRepExtrema_DistShapeShape.hxx>
33 #include <BRep_Builder.hxx>
34 #include <Precision.hxx>
37 #include <TopoDS_Edge.hxx>
38 #include <TopoDS_Shape.hxx>
39 #include <TopoDS_Vertex.hxx>
40 #include <TopoDS_Compound.hxx>
42 #include <Geom_Curve.hxx>
43 #include <Geom_Surface.hxx>
45 #include <TopoDS_Face.hxx>
46 #include <ShapeAnalysis.hxx>
49 //=======================================================================
52 //=======================================================================
53 const Standard_GUID& GEOMImpl_PointDriver::GetID()
55 static Standard_GUID aPointDriver("FF1BBB02-5D14-4df2-980B-3A668264EA16");
60 //=======================================================================
61 //function : GEOMImpl_PointDriver
63 //=======================================================================
64 GEOMImpl_PointDriver::GEOMImpl_PointDriver()
68 //=======================================================================
69 //function : getExtremaSolution
70 //purpose : local function
71 //=======================================================================
72 static Standard_Boolean getExtremaSolution
73 (GEOMImpl_IPoint& thePI,
74 TopoDS_Shape& theRefShape,
77 gp_Pnt anInitPnt( thePI.GetX(), thePI.GetY(), thePI.GetZ() );
78 BRepBuilderAPI_MakeVertex mkVertex (anInitPnt);
79 TopoDS_Vertex anInitV = TopoDS::Vertex(mkVertex.Shape());
81 BRepExtrema_DistShapeShape anExt( anInitV, theRefShape );
82 if ( !anExt.IsDone() || anExt.NbSolution() < 1 )
83 return Standard_False;
84 thePnt = anExt.PointOnShape2(1);
85 Standard_Real aMinDist2 = anInitPnt.SquareDistance( thePnt );
86 for ( Standard_Integer j = 2, jn = anExt.NbSolution(); j <= jn; j++ )
88 gp_Pnt aPnt = anExt.PointOnShape2(j);
89 Standard_Real aDist2 = anInitPnt.SquareDistance( aPnt );
90 if ( aDist2 > aMinDist2)
98 //=======================================================================
101 //=======================================================================
102 Standard_Integer GEOMImpl_PointDriver::Execute(TFunction_Logbook& log) const
104 if (Label().IsNull()) return 0;
105 Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
107 GEOMImpl_IPoint aPI (aFunction);
108 Standard_Integer aType = aFunction->GetType();
111 TopoDS_Compound aCompound;
112 bool retCompound = false;
114 if (aType == POINT_XYZ) {
115 aPnt = gp_Pnt(aPI.GetX(), aPI.GetY(), aPI.GetZ());
118 else if (aType == POINT_XYZ_REF) {
120 Handle(GEOM_Function) aRefPoint = aPI.GetRef();
121 TopoDS_Shape aRefShape = aRefPoint->GetValue();
122 if (aRefShape.ShapeType() != TopAbs_VERTEX) {
123 Standard_TypeMismatch::Raise
124 ("Point creation aborted : referenced shape is not a vertex");
126 gp_Pnt P = BRep_Tool::Pnt(TopoDS::Vertex(aRefShape));
127 aPnt = gp_Pnt(P.X() + aPI.GetX(), P.Y() + aPI.GetY(), P.Z() + aPI.GetZ());
129 else if (aType == POINT_CURVE_PAR) {
130 Handle(GEOM_Function) aRefCurve = aPI.GetCurve();
131 TopoDS_Shape aRefShape = aRefCurve->GetValue();
132 if (aRefShape.ShapeType() != TopAbs_EDGE) {
133 Standard_TypeMismatch::Raise
134 ("Point On Curve creation aborted : curve shape is not an edge");
136 Standard_Real aFP, aLP, aP;
137 Handle(Geom_Curve) aCurve = BRep_Tool::Curve(TopoDS::Edge(aRefShape), aFP, aLP);
138 aP = aFP + (aLP - aFP) * aPI.GetParameter();
139 aPnt = aCurve->Value(aP);
141 else if (aType == POINT_CURVE_COORD) {
142 Handle(GEOM_Function) aRefCurve = aPI.GetCurve();
143 TopoDS_Shape aRefShape = aRefCurve->GetValue();
144 if (aRefShape.ShapeType() != TopAbs_EDGE) {
145 Standard_TypeMismatch::Raise
146 ("Point On Curve creation aborted : curve shape is not an edge");
148 if (!getExtremaSolution( aPI, aRefShape, aPnt ) ) {
149 Standard_ConstructionError::Raise
150 ("Point On Curve creation aborted : cannot project point");
153 else if (aType == POINT_SURFACE_PAR) {
154 Handle(GEOM_Function) aRefCurve = aPI.GetSurface();
155 TopoDS_Shape aRefShape = aRefCurve->GetValue();
156 if (aRefShape.ShapeType() != TopAbs_FACE) {
157 Standard_TypeMismatch::Raise
158 ("Point On Surface creation aborted : surface shape is not a face");
160 TopoDS_Face F = TopoDS::Face(aRefShape);
161 Handle(Geom_Surface) aSurf = BRep_Tool::Surface(F);
162 Standard_Real U1,U2,V1,V2;
163 //aSurf->Bounds(U1,U2,V1,V2);
164 ShapeAnalysis::GetFaceUVBounds(F,U1,U2,V1,V2);
165 Standard_Real U = U1 + (U2-U1) * aPI.GetParameter();
166 Standard_Real V = V1 + (V2-V1) * aPI.GetParameter2();
167 aPnt = aSurf->Value(U,V);
169 else if (aType == POINT_SURFACE_COORD) {
170 Handle(GEOM_Function) aRefCurve = aPI.GetSurface();
171 TopoDS_Shape aRefShape = aRefCurve->GetValue();
172 if (aRefShape.ShapeType() != TopAbs_FACE) {
173 Standard_TypeMismatch::Raise
174 ("Point On Surface creation aborted : surface shape is not a face");
176 if (!getExtremaSolution( aPI, aRefShape, aPnt ) ) {
177 Standard_ConstructionError::Raise
178 ("Point On Surface creation aborted : cannot project point");
181 else if (aType == POINT_LINES_INTERSECTION) {
182 Handle(GEOM_Function) aRef1 = aPI.GetLine1();
183 Handle(GEOM_Function) aRef2 = aPI.GetLine2();
185 TopoDS_Shape aRefShape1 = aRef1->GetValue();
186 TopoDS_Shape aRefShape2 = aRef2->GetValue();
188 if ( (aRefShape1.ShapeType() != TopAbs_EDGE && aRefShape1.ShapeType() != TopAbs_WIRE)
189 || (aRefShape2.ShapeType() != TopAbs_EDGE && aRefShape2.ShapeType() != TopAbs_WIRE) ) {
190 Standard_TypeMismatch::Raise
191 ("Creation Point On Lines Intersection Aborted : Line shape is not an edge or wire");
193 //Calculate Lines Intersection Point
194 BRepExtrema_DistShapeShape dst (aRefShape1, aRefShape2);
198 B.MakeCompound( aCompound );
199 for (int i = 1; i <= dst.NbSolution(); i++) {
200 P1 = dst.PointOnShape1(i);
201 P2 = dst.PointOnShape2(i);
202 Standard_Real Dist = P1.Distance(P2);
203 if ( Dist <= Precision::Confusion() && dst.NbSolution() > 1) {
204 BRepBuilderAPI_MakeVertex mkVertex (P1);
205 B.Add(aCompound, mkVertex.Shape());
207 } else if ( Dist <= Precision::Confusion() ) {
210 Standard_TypeMismatch::Raise ("Shapes have not an Intersection Point");
223 BRepBuilderAPI_MakeVertex mkVertex (aPnt);
224 aShape = mkVertex.Shape();
227 //aShape.Infinite(Standard_True); // VSR: 05/04/2010: Fix 20668 (Fit All for points & lines)
228 aFunction->SetValue(aShape);
230 log.SetTouched(Label());
236 //=======================================================================
237 //function : GEOMImpl_PointDriver_Type_
239 //=======================================================================
240 Standard_EXPORT Handle_Standard_Type& GEOMImpl_PointDriver_Type_()
243 static Handle_Standard_Type aType1 = STANDARD_TYPE(TFunction_Driver);
244 if ( aType1.IsNull()) aType1 = STANDARD_TYPE(TFunction_Driver);
245 static Handle_Standard_Type aType2 = STANDARD_TYPE(MMgt_TShared);
246 if ( aType2.IsNull()) aType2 = STANDARD_TYPE(MMgt_TShared);
247 static Handle_Standard_Type aType3 = STANDARD_TYPE(Standard_Transient);
248 if ( aType3.IsNull()) aType3 = STANDARD_TYPE(Standard_Transient);
251 static Handle_Standard_Transient _Ancestors[]= {aType1,aType2,aType3,NULL};
252 static Handle_Standard_Type _aType = new Standard_Type("GEOMImpl_PointDriver",
253 sizeof(GEOMImpl_PointDriver),
255 (Standard_Address)_Ancestors,
256 (Standard_Address)NULL);
261 //=======================================================================
262 //function : DownCast
264 //=======================================================================
266 const Handle(GEOMImpl_PointDriver) Handle(GEOMImpl_PointDriver)::DownCast(const Handle(Standard_Transient)& AnObject)
268 Handle(GEOMImpl_PointDriver) _anOtherObject;
270 if (!AnObject.IsNull()) {
271 if (AnObject->IsKind(STANDARD_TYPE(GEOMImpl_PointDriver))) {
272 _anOtherObject = Handle(GEOMImpl_PointDriver)((Handle(GEOMImpl_PointDriver)&)AnObject);
276 return _anOtherObject ;