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>
48 #include <GCPnts_AbscissaPoint.hxx>
49 #include <BRepAdaptor_Curve.hxx>
51 //=======================================================================
54 //=======================================================================
55 const Standard_GUID& GEOMImpl_PointDriver::GetID()
57 static Standard_GUID aPointDriver("FF1BBB02-5D14-4df2-980B-3A668264EA16");
62 //=======================================================================
63 //function : GEOMImpl_PointDriver
65 //=======================================================================
66 GEOMImpl_PointDriver::GEOMImpl_PointDriver()
70 //=======================================================================
71 //function : getExtremaSolution
72 //purpose : local function
73 //=======================================================================
74 static Standard_Boolean getExtremaSolution
75 (GEOMImpl_IPoint& thePI,
76 TopoDS_Shape& theRefShape,
79 gp_Pnt anInitPnt( thePI.GetX(), thePI.GetY(), thePI.GetZ() );
80 BRepBuilderAPI_MakeVertex mkVertex (anInitPnt);
81 TopoDS_Vertex anInitV = TopoDS::Vertex(mkVertex.Shape());
83 BRepExtrema_DistShapeShape anExt( anInitV, theRefShape );
84 if ( !anExt.IsDone() || anExt.NbSolution() < 1 )
85 return Standard_False;
86 thePnt = anExt.PointOnShape2(1);
87 Standard_Real aMinDist2 = anInitPnt.SquareDistance( thePnt );
88 for ( Standard_Integer j = 2, jn = anExt.NbSolution(); j <= jn; j++ )
90 gp_Pnt aPnt = anExt.PointOnShape2(j);
91 Standard_Real aDist2 = anInitPnt.SquareDistance( aPnt );
92 if ( aDist2 > aMinDist2)
100 //=======================================================================
103 //=======================================================================
104 Standard_Integer GEOMImpl_PointDriver::Execute(TFunction_Logbook& log) const
106 if (Label().IsNull()) return 0;
107 Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
109 GEOMImpl_IPoint aPI (aFunction);
110 Standard_Integer aType = aFunction->GetType();
113 TopoDS_Compound aCompound;
114 bool retCompound = false;
116 if (aType == POINT_XYZ) {
117 aPnt = gp_Pnt(aPI.GetX(), aPI.GetY(), aPI.GetZ());
120 else if (aType == POINT_XYZ_REF) {
122 Handle(GEOM_Function) aRefPoint = aPI.GetRef();
123 TopoDS_Shape aRefShape = aRefPoint->GetValue();
124 if (aRefShape.ShapeType() != TopAbs_VERTEX) {
125 Standard_TypeMismatch::Raise
126 ("Point creation aborted : referenced shape is not a vertex");
128 gp_Pnt P = BRep_Tool::Pnt(TopoDS::Vertex(aRefShape));
129 aPnt = gp_Pnt(P.X() + aPI.GetX(), P.Y() + aPI.GetY(), P.Z() + aPI.GetZ());
131 else if (aType == POINT_CURVE_PAR) {
132 Handle(GEOM_Function) aRefCurve = aPI.GetCurve();
133 TopoDS_Shape aRefShape = aRefCurve->GetValue();
134 if (aRefShape.ShapeType() != TopAbs_EDGE) {
135 Standard_TypeMismatch::Raise
136 ("Point On Curve creation aborted : curve shape is not an edge");
138 Standard_Real aFP, aLP, aP;
139 Handle(Geom_Curve) aCurve = BRep_Tool::Curve(TopoDS::Edge(aRefShape), aFP, aLP);
140 aP = aFP + (aLP - aFP) * aPI.GetParameter();
141 aPnt = aCurve->Value(aP);
143 else if (aType == POINT_CURVE_COORD) {
144 Handle(GEOM_Function) aRefCurve = aPI.GetCurve();
145 TopoDS_Shape aRefShape = aRefCurve->GetValue();
146 if (aRefShape.ShapeType() != TopAbs_EDGE) {
147 Standard_TypeMismatch::Raise
148 ("Point On Curve creation aborted : curve shape is not an edge");
150 if (!getExtremaSolution( aPI, aRefShape, aPnt ) ) {
151 Standard_ConstructionError::Raise
152 ("Point On Curve creation aborted : cannot project point");
155 else if (aType == POINT_CURVE_LENGTH) {
156 Handle(GEOM_Function) aRefCurve = aPI.GetCurve();
157 Standard_Real theLength = aPI.GetLength();
158 TopoDS_Shape aRefShape = aRefCurve->GetValue();
159 if (aRefShape.ShapeType() != TopAbs_EDGE) {
160 Standard_TypeMismatch::Raise
161 ("Point On Curve creation aborted : curve shape is not an edge");
163 BRepAdaptor_Curve AdapCurve = BRepAdaptor_Curve(TopoDS::Edge(aRefShape));
164 Standard_Real theCurveLength = GCPnts_AbscissaPoint::Length(AdapCurve);
165 //std::cout<<"theCurveLength = "<<theCurveLength<<std::endl;
166 if (theLength > theCurveLength) {
167 Standard_ConstructionError::Raise
168 ("Point On Curve creation aborted : given length is greater than edges length");
171 GCPnts_AbscissaPoint anAbsPnt(AdapCurve, aPI.GetLength(), 0);
172 Standard_Real aParam = anAbsPnt.Parameter();
173 Standard_Real result_length = GCPnts_AbscissaPoint::Length(AdapCurve, 0, aParam);
174 std::cout<<"calculated Length of the result = "<<result_length<<std::endl;
175 aPnt = AdapCurve.Value(aParam);
177 else if (aType == POINT_SURFACE_PAR) {
178 Handle(GEOM_Function) aRefCurve = aPI.GetSurface();
179 TopoDS_Shape aRefShape = aRefCurve->GetValue();
180 if (aRefShape.ShapeType() != TopAbs_FACE) {
181 Standard_TypeMismatch::Raise
182 ("Point On Surface creation aborted : surface shape is not a face");
184 TopoDS_Face F = TopoDS::Face(aRefShape);
185 Handle(Geom_Surface) aSurf = BRep_Tool::Surface(F);
186 Standard_Real U1,U2,V1,V2;
187 //aSurf->Bounds(U1,U2,V1,V2);
188 ShapeAnalysis::GetFaceUVBounds(F,U1,U2,V1,V2);
189 Standard_Real U = U1 + (U2-U1) * aPI.GetParameter();
190 Standard_Real V = V1 + (V2-V1) * aPI.GetParameter2();
191 aPnt = aSurf->Value(U,V);
193 else if (aType == POINT_SURFACE_COORD) {
194 Handle(GEOM_Function) aRefCurve = aPI.GetSurface();
195 TopoDS_Shape aRefShape = aRefCurve->GetValue();
196 if (aRefShape.ShapeType() != TopAbs_FACE) {
197 Standard_TypeMismatch::Raise
198 ("Point On Surface creation aborted : surface shape is not a face");
200 if (!getExtremaSolution( aPI, aRefShape, aPnt ) ) {
201 Standard_ConstructionError::Raise
202 ("Point On Surface creation aborted : cannot project point");
205 else if (aType == POINT_LINES_INTERSECTION) {
206 Handle(GEOM_Function) aRef1 = aPI.GetLine1();
207 Handle(GEOM_Function) aRef2 = aPI.GetLine2();
209 TopoDS_Shape aRefShape1 = aRef1->GetValue();
210 TopoDS_Shape aRefShape2 = aRef2->GetValue();
212 if ( (aRefShape1.ShapeType() != TopAbs_EDGE && aRefShape1.ShapeType() != TopAbs_WIRE)
213 || (aRefShape2.ShapeType() != TopAbs_EDGE && aRefShape2.ShapeType() != TopAbs_WIRE) ) {
214 Standard_TypeMismatch::Raise
215 ("Creation Point On Lines Intersection Aborted : Line shape is not an edge or wire");
218 if (aRefShape1.IsSame(aRefShape2))
219 Standard_ConstructionError::Raise("The lines to make intersection must be different");
221 //Calculate Lines Intersection Point
222 BRepExtrema_DistShapeShape dst (aRefShape1, aRefShape2);
226 B.MakeCompound( aCompound );
227 for (int i = 1; i <= dst.NbSolution(); i++) {
228 P1 = dst.PointOnShape1(i);
229 P2 = dst.PointOnShape2(i);
230 Standard_Real Dist = P1.Distance(P2);
231 if ( Dist <= Precision::Confusion() && dst.NbSolution() > 1) {
232 BRepBuilderAPI_MakeVertex mkVertex (P1);
233 B.Add(aCompound, mkVertex.Shape());
235 } else if ( Dist <= Precision::Confusion() ) {
238 Standard_TypeMismatch::Raise ("Shapes have not an Intersection Point");
251 BRepBuilderAPI_MakeVertex mkVertex (aPnt);
252 aShape = mkVertex.Shape();
255 //aShape.Infinite(Standard_True); // VSR: 05/04/2010: Fix 20668 (Fit All for points & lines)
256 aFunction->SetValue(aShape);
258 log.SetTouched(Label());
264 //=======================================================================
265 //function : GEOMImpl_PointDriver_Type_
267 //=======================================================================
268 Standard_EXPORT Handle_Standard_Type& GEOMImpl_PointDriver_Type_()
271 static Handle_Standard_Type aType1 = STANDARD_TYPE(TFunction_Driver);
272 if ( aType1.IsNull()) aType1 = STANDARD_TYPE(TFunction_Driver);
273 static Handle_Standard_Type aType2 = STANDARD_TYPE(MMgt_TShared);
274 if ( aType2.IsNull()) aType2 = STANDARD_TYPE(MMgt_TShared);
275 static Handle_Standard_Type aType3 = STANDARD_TYPE(Standard_Transient);
276 if ( aType3.IsNull()) aType3 = STANDARD_TYPE(Standard_Transient);
279 static Handle_Standard_Transient _Ancestors[]= {aType1,aType2,aType3,NULL};
280 static Handle_Standard_Type _aType = new Standard_Type("GEOMImpl_PointDriver",
281 sizeof(GEOMImpl_PointDriver),
283 (Standard_Address)_Ancestors,
284 (Standard_Address)NULL);
289 //=======================================================================
290 //function : DownCast
292 //=======================================================================
294 const Handle(GEOMImpl_PointDriver) Handle(GEOMImpl_PointDriver)::DownCast(const Handle(Standard_Transient)& AnObject)
296 Handle(GEOMImpl_PointDriver) _anOtherObject;
298 if (!AnObject.IsNull()) {
299 if (AnObject->IsKind(STANDARD_TYPE(GEOMImpl_PointDriver))) {
300 _anOtherObject = Handle(GEOMImpl_PointDriver)((Handle(GEOMImpl_PointDriver)&)AnObject);
304 return _anOtherObject ;