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>
36 //#include <TopExp.hxx>
38 #include <TopoDS_Edge.hxx>
39 #include <TopoDS_Shape.hxx>
40 #include <TopoDS_Vertex.hxx>
41 #include <TopoDS_Compound.hxx>
42 //#include <TopExp_Explorer.hxx>
44 #include <Geom_Curve.hxx>
45 #include <Geom_Surface.hxx>
47 #include <TopoDS_Face.hxx>
48 #include <ShapeAnalysis.hxx>
50 #include <GCPnts_AbscissaPoint.hxx>
51 #include <BRepAdaptor_Curve.hxx>
53 #include <BRep_Tool.hxx>
55 //=======================================================================
58 //=======================================================================
59 const Standard_GUID& GEOMImpl_PointDriver::GetID()
61 static Standard_GUID aPointDriver("FF1BBB02-5D14-4df2-980B-3A668264EA16");
66 //=======================================================================
67 //function : GEOMImpl_PointDriver
69 //=======================================================================
70 GEOMImpl_PointDriver::GEOMImpl_PointDriver()
74 //=======================================================================
75 //function : getExtremaSolution
76 //purpose : local function
77 //=======================================================================
78 static Standard_Boolean getExtremaSolution
79 (GEOMImpl_IPoint& thePI,
80 TopoDS_Shape& theRefShape,
83 gp_Pnt anInitPnt( thePI.GetX(), thePI.GetY(), thePI.GetZ() );
84 BRepBuilderAPI_MakeVertex mkVertex (anInitPnt);
85 TopoDS_Vertex anInitV = TopoDS::Vertex(mkVertex.Shape());
87 BRepExtrema_DistShapeShape anExt( anInitV, theRefShape );
88 if ( !anExt.IsDone() || anExt.NbSolution() < 1 )
89 return Standard_False;
90 thePnt = anExt.PointOnShape2(1);
91 Standard_Real aMinDist2 = anInitPnt.SquareDistance( thePnt );
92 for ( Standard_Integer j = 2, jn = anExt.NbSolution(); j <= jn; j++ )
94 gp_Pnt aPnt = anExt.PointOnShape2(j);
95 Standard_Real aDist2 = anInitPnt.SquareDistance( aPnt );
96 if ( aDist2 > aMinDist2)
101 return Standard_True;
104 //=======================================================================
107 //=======================================================================
108 Standard_Integer GEOMImpl_PointDriver::Execute(TFunction_Logbook& log) const
110 if (Label().IsNull()) return 0;
111 Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
113 GEOMImpl_IPoint aPI (aFunction);
114 Standard_Integer aType = aFunction->GetType();
117 TopoDS_Compound aCompound;
118 bool retCompound = false;
120 if (aType == POINT_XYZ) {
121 aPnt = gp_Pnt(aPI.GetX(), aPI.GetY(), aPI.GetZ());
124 else if (aType == POINT_XYZ_REF) {
126 Handle(GEOM_Function) aRefPoint = aPI.GetRef();
127 TopoDS_Shape aRefShape = aRefPoint->GetValue();
128 if (aRefShape.ShapeType() != TopAbs_VERTEX) {
129 Standard_TypeMismatch::Raise
130 ("Point creation aborted : referenced shape is not a vertex");
132 gp_Pnt P = BRep_Tool::Pnt(TopoDS::Vertex(aRefShape));
133 aPnt = gp_Pnt(P.X() + aPI.GetX(), P.Y() + aPI.GetY(), P.Z() + aPI.GetZ());
135 else if (aType == POINT_CURVE_PAR) {
136 Handle(GEOM_Function) aRefCurve = aPI.GetCurve();
137 TopoDS_Shape aRefShape = aRefCurve->GetValue();
138 if (aRefShape.ShapeType() != TopAbs_EDGE) {
139 Standard_TypeMismatch::Raise
140 ("Point On Curve creation aborted : curve shape is not an edge");
142 Standard_Real aFP, aLP, aP;
143 Handle(Geom_Curve) aCurve = BRep_Tool::Curve(TopoDS::Edge(aRefShape), aFP, aLP);
144 aP = aFP + (aLP - aFP) * aPI.GetParameter();
145 aPnt = aCurve->Value(aP);
147 else if (aType == POINT_CURVE_COORD) {
148 Handle(GEOM_Function) aRefCurve = aPI.GetCurve();
149 TopoDS_Shape aRefShape = aRefCurve->GetValue();
150 if (aRefShape.ShapeType() != TopAbs_EDGE) {
151 Standard_TypeMismatch::Raise
152 ("Point On Curve creation aborted : curve shape is not an edge");
154 if (!getExtremaSolution( aPI, aRefShape, aPnt ) ) {
155 Standard_ConstructionError::Raise
156 ("Point On Curve creation aborted : cannot project point");
159 else if (aType == POINT_CURVE_LENGTH) {
160 Handle(GEOM_Function) aRefCurve = aPI.GetCurve();
161 Standard_Real theLength = aPI.GetLength();
162 Standard_Integer theDirection = aPI.GetFlag();
163 TopoDS_Shape aRefShape = aRefCurve->GetValue();
164 if (aRefShape.ShapeType() != TopAbs_EDGE) {
165 Standard_TypeMismatch::Raise
166 ("Point On Curve creation aborted : curve shape is not an edge");
168 Standard_Real UFirst = 0;
169 Standard_Real ULast = 0;
170 Handle(Geom_Curve) EdgeCurve = BRep_Tool::Curve(TopoDS::Edge(aRefShape), UFirst, ULast);
171 Handle(Geom_Curve) ReOrientedCurve = EdgeCurve;
172 if ( theDirection == 2 )
173 ReOrientedCurve = EdgeCurve->Reversed();
174 else if ( theDirection == 0 )
175 ReOrientedCurve = EdgeCurve;
176 GeomAdaptor_Curve AdapCurve = GeomAdaptor_Curve(ReOrientedCurve);
177 Standard_Real theCurveLength = GCPnts_AbscissaPoint::Length(AdapCurve);
178 if (theLength > theCurveLength) {
179 Standard_ConstructionError::Raise
180 ("Point On Curve creation aborted : given length is greater than edges length");
182 GCPnts_AbscissaPoint anAbsPnt(AdapCurve, theLength, UFirst);
183 Standard_Real aParam = anAbsPnt.Parameter();
184 aPnt = AdapCurve.Value(aParam);
186 else if (aType == POINT_SURFACE_PAR) {
187 Handle(GEOM_Function) aRefCurve = aPI.GetSurface();
188 TopoDS_Shape aRefShape = aRefCurve->GetValue();
189 if (aRefShape.ShapeType() != TopAbs_FACE) {
190 Standard_TypeMismatch::Raise
191 ("Point On Surface creation aborted : surface shape is not a face");
193 TopoDS_Face F = TopoDS::Face(aRefShape);
194 Handle(Geom_Surface) aSurf = BRep_Tool::Surface(F);
195 Standard_Real U1,U2,V1,V2;
196 //aSurf->Bounds(U1,U2,V1,V2);
197 ShapeAnalysis::GetFaceUVBounds(F,U1,U2,V1,V2);
198 Standard_Real U = U1 + (U2-U1) * aPI.GetParameter();
199 Standard_Real V = V1 + (V2-V1) * aPI.GetParameter2();
200 aPnt = aSurf->Value(U,V);
202 else if (aType == POINT_SURFACE_COORD) {
203 Handle(GEOM_Function) aRefCurve = aPI.GetSurface();
204 TopoDS_Shape aRefShape = aRefCurve->GetValue();
205 if (aRefShape.ShapeType() != TopAbs_FACE) {
206 Standard_TypeMismatch::Raise
207 ("Point On Surface creation aborted : surface shape is not a face");
209 if (!getExtremaSolution( aPI, aRefShape, aPnt ) ) {
210 Standard_ConstructionError::Raise
211 ("Point On Surface creation aborted : cannot project point");
214 else if (aType == POINT_LINES_INTERSECTION) {
215 Handle(GEOM_Function) aRef1 = aPI.GetLine1();
216 Handle(GEOM_Function) aRef2 = aPI.GetLine2();
218 TopoDS_Shape aRefShape1 = aRef1->GetValue();
219 TopoDS_Shape aRefShape2 = aRef2->GetValue();
221 if ( (aRefShape1.ShapeType() != TopAbs_EDGE && aRefShape1.ShapeType() != TopAbs_WIRE)
222 || (aRefShape2.ShapeType() != TopAbs_EDGE && aRefShape2.ShapeType() != TopAbs_WIRE) ) {
223 Standard_TypeMismatch::Raise
224 ("Creation Point On Lines Intersection Aborted : Line shape is not an edge or wire");
227 if (aRefShape1.IsSame(aRefShape2))
228 Standard_ConstructionError::Raise("The lines to make intersection must be different");
230 //Calculate Lines Intersection Point
231 BRepExtrema_DistShapeShape dst (aRefShape1, aRefShape2);
235 B.MakeCompound( aCompound );
236 for (int i = 1; i <= dst.NbSolution(); i++) {
237 P1 = dst.PointOnShape1(i);
238 P2 = dst.PointOnShape2(i);
239 Standard_Real Dist = P1.Distance(P2);
240 if ( Dist <= Precision::Confusion() && dst.NbSolution() > 1) {
241 BRepBuilderAPI_MakeVertex mkVertex (P1);
242 B.Add(aCompound, mkVertex.Shape());
244 } else if ( Dist <= Precision::Confusion() ) {
247 Standard_TypeMismatch::Raise ("Shapes have not an Intersection Point");
260 BRepBuilderAPI_MakeVertex mkVertex (aPnt);
261 aShape = mkVertex.Shape();
264 //aShape.Infinite(Standard_True); // VSR: 05/04/2010: Fix 20668 (Fit All for points & lines)
265 aFunction->SetValue(aShape);
267 log.SetTouched(Label());
273 //=======================================================================
274 //function : GEOMImpl_PointDriver_Type_
276 //=======================================================================
277 Standard_EXPORT Handle_Standard_Type& GEOMImpl_PointDriver_Type_()
280 static Handle_Standard_Type aType1 = STANDARD_TYPE(TFunction_Driver);
281 if ( aType1.IsNull()) aType1 = STANDARD_TYPE(TFunction_Driver);
282 static Handle_Standard_Type aType2 = STANDARD_TYPE(MMgt_TShared);
283 if ( aType2.IsNull()) aType2 = STANDARD_TYPE(MMgt_TShared);
284 static Handle_Standard_Type aType3 = STANDARD_TYPE(Standard_Transient);
285 if ( aType3.IsNull()) aType3 = STANDARD_TYPE(Standard_Transient);
288 static Handle_Standard_Transient _Ancestors[]= {aType1,aType2,aType3,NULL};
289 static Handle_Standard_Type _aType = new Standard_Type("GEOMImpl_PointDriver",
290 sizeof(GEOMImpl_PointDriver),
292 (Standard_Address)_Ancestors,
293 (Standard_Address)NULL);
298 //=======================================================================
299 //function : DownCast
301 //=======================================================================
303 const Handle(GEOMImpl_PointDriver) Handle(GEOMImpl_PointDriver)::DownCast(const Handle(Standard_Transient)& AnObject)
305 Handle(GEOMImpl_PointDriver) _anOtherObject;
307 if (!AnObject.IsNull()) {
308 if (AnObject->IsKind(STANDARD_TYPE(GEOMImpl_PointDriver))) {
309 _anOtherObject = Handle(GEOMImpl_PointDriver)((Handle(GEOMImpl_PointDriver)&)AnObject);
313 return _anOtherObject ;