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_PlaneDriver.hxx>
24 #include <GEOMImpl_IPlane.hxx>
25 #include <GEOMImpl_Types.hxx>
26 #include <GEOM_Function.hxx>
28 #include <BRepBuilderAPI_MakeFace.hxx>
29 #include <BRep_Tool.hxx>
30 #include <BRepTopAdaptor_FClass2d.hxx>
31 #include <ShapeAnalysis.hxx>
35 #include <TopoDS_Shape.hxx>
36 #include <TopoDS_Edge.hxx>
37 #include <TopoDS_Vertex.hxx>
40 #include <GC_MakePlane.hxx>
41 #include <Geom_Surface.hxx>
43 #include <Precision.hxx>
50 #include <Standard_ConstructionError.hxx>
51 #include <Standard_TypeMismatch.hxx>
53 //=======================================================================
56 //=======================================================================
57 const Standard_GUID& GEOMImpl_PlaneDriver::GetID()
59 static Standard_GUID aPlaneDriver("FF1BBB05-5D14-4df2-980B-3A668264EA16");
64 //=======================================================================
65 //function : GEOMImpl_PlaneDriver
67 //=======================================================================
68 GEOMImpl_PlaneDriver::GEOMImpl_PlaneDriver()
72 //=======================================================================
75 //=======================================================================
76 Standard_Integer GEOMImpl_PlaneDriver::Execute(TFunction_Logbook& log) const
78 if (Label().IsNull()) return 0;
79 Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
81 GEOMImpl_IPlane aPI (aFunction);
82 Standard_Integer aType = aFunction->GetType();
86 double aSize = aPI.GetSize() / 2.0;
87 if (aType == PLANE_PNT_VEC) {
88 Handle(GEOM_Function) aRefPnt = aPI.GetPoint();
89 Handle(GEOM_Function) aRefVec = aPI.GetVector();
90 TopoDS_Shape aShape1 = aRefPnt->GetValue();
91 TopoDS_Shape aShape2 = aRefVec->GetValue();
92 if (aShape1.ShapeType() != TopAbs_VERTEX ||
93 aShape2.ShapeType() != TopAbs_EDGE) return 0;
94 gp_Pnt aP = BRep_Tool::Pnt(TopoDS::Vertex(aShape1));
95 TopoDS_Edge anE = TopoDS::Edge(aShape2);
97 TopExp::Vertices(anE, V1, V2, Standard_True);
98 if (!V1.IsNull() && !V2.IsNull()) {
99 gp_Vec aV (BRep_Tool::Pnt(V1), BRep_Tool::Pnt(V2));
100 gp_Pln aPln (aP, aV);
101 aShape = BRepBuilderAPI_MakeFace(aPln, -aSize, +aSize, -aSize, +aSize).Shape();
103 } else if (aType == PLANE_THREE_PNT) {
104 Handle(GEOM_Function) aRefPnt1 = aPI.GetPoint1();
105 Handle(GEOM_Function) aRefPnt2 = aPI.GetPoint2();
106 Handle(GEOM_Function) aRefPnt3 = aPI.GetPoint3();
107 TopoDS_Shape aShape1 = aRefPnt1->GetValue();
108 TopoDS_Shape aShape2 = aRefPnt2->GetValue();
109 TopoDS_Shape aShape3 = aRefPnt3->GetValue();
110 if (aShape1.ShapeType() != TopAbs_VERTEX ||
111 aShape2.ShapeType() != TopAbs_VERTEX ||
112 aShape3.ShapeType() != TopAbs_VERTEX) return 0;
113 gp_Pnt aP1 = BRep_Tool::Pnt(TopoDS::Vertex(aShape1));
114 gp_Pnt aP2 = BRep_Tool::Pnt(TopoDS::Vertex(aShape2));
115 gp_Pnt aP3 = BRep_Tool::Pnt(TopoDS::Vertex(aShape3));
116 if (aP1.Distance(aP2) < gp::Resolution() ||
117 aP1.Distance(aP3) < gp::Resolution() ||
118 aP2.Distance(aP3) < gp::Resolution())
119 Standard_ConstructionError::Raise("Plane creation aborted: coincident points given");
120 if (gp_Vec(aP1, aP2).IsParallel(gp_Vec(aP1, aP3), Precision::Angular()))
121 Standard_ConstructionError::Raise("Plane creation aborted: points lay on one line");
122 GC_MakePlane aMakePlane (aP1, aP2, aP3);
123 aShape = BRepBuilderAPI_MakeFace(aMakePlane, -aSize, +aSize, -aSize, +aSize).Shape();
124 } else if (aType == PLANE_FACE) {
125 Handle(GEOM_Function) aRef = aPI.GetFace();
126 TopoDS_Shape aRefShape = aRef->GetValue();
127 if (aRefShape.ShapeType() != TopAbs_FACE) return 0;
128 Handle(Geom_Surface) aGS = BRep_Tool::Surface(TopoDS::Face(aRefShape));
129 if (!aGS->IsKind(STANDARD_TYPE(Geom_Plane))) {
130 Standard_TypeMismatch::Raise("Plane creation aborted: non-planar face given as argument");
132 aShape = BRepBuilderAPI_MakeFace(aGS, -aSize, +aSize, -aSize, +aSize).Shape();
134 else if (aType == PLANE_TANGENT_FACE)
136 Handle(GEOM_Function) aRefFace = aPI.GetFace();
137 TopoDS_Shape aShape1 = aRefFace->GetValue();
139 Standard_TypeMismatch::Raise("Plane was not created.Basis face was not specified");
140 TopoDS_Face aFace = TopoDS::Face(aShape1);
142 Standard_Real aKoefU = aPI.GetParameterU();
143 Standard_Real aKoefV = aPI.GetParameterV();
144 Standard_Real aUmin,aUmax,aVmin,aVmax;
145 ShapeAnalysis::GetFaceUVBounds(aFace,aUmin,aUmax,aVmin,aVmax);
146 Standard_Real aDeltaU = aUmax - aUmin;
147 Standard_Real aDeltaV = aVmax - aVmin;
148 Standard_Real aParamU = aUmin + aDeltaU*aKoefU;
149 Standard_Real aParamV = aVmin + aDeltaV*aKoefV;
150 Handle(Geom_Surface) aSurf = BRep_Tool::Surface(aFace);
152 Standard_TypeMismatch::Raise("Plane was not created.Base surface is absent");
155 aSurf->D1(aParamU,aParamV,aPLoc,aVecU,aVecV);
156 BRepTopAdaptor_FClass2d clas(aFace,Precision::PConfusion());
158 TopAbs_State stOut= clas.PerformInfinitePoint();
159 gp_Pnt2d aP2d(aParamU,aParamV);
160 TopAbs_State st= clas.Perform(aP2d);
162 Standard_TypeMismatch::Raise("Plane was not created.Point lies outside the face");
163 gp_Vec aNorm = aVecU^aVecV;
164 gp_Ax3 anAxis(aPLoc,gp_Dir(aNorm),gp_Dir(aVecU));
165 gp_Pln aPlane(anAxis);
166 BRepBuilderAPI_MakeFace aTool(aPlane, -aSize, +aSize, -aSize, +aSize);
168 aShape = aTool.Shape();
174 if (aShape.IsNull()) return 0;
176 aFunction->SetValue(aShape);
178 log.SetTouched(Label());
184 //=======================================================================
185 //function : GEOMImpl_PlaneDriver_Type_
187 //=======================================================================
188 Standard_EXPORT Handle_Standard_Type& GEOMImpl_PlaneDriver_Type_()
191 static Handle_Standard_Type aType1 = STANDARD_TYPE(TFunction_Driver);
192 if ( aType1.IsNull()) aType1 = STANDARD_TYPE(TFunction_Driver);
193 static Handle_Standard_Type aType2 = STANDARD_TYPE(MMgt_TShared);
194 if ( aType2.IsNull()) aType2 = STANDARD_TYPE(MMgt_TShared);
195 static Handle_Standard_Type aType3 = STANDARD_TYPE(Standard_Transient);
196 if ( aType3.IsNull()) aType3 = STANDARD_TYPE(Standard_Transient);
199 static Handle_Standard_Transient _Ancestors[]= {aType1,aType2,aType3,NULL};
200 static Handle_Standard_Type _aType = new Standard_Type("GEOMImpl_PlaneDriver",
201 sizeof(GEOMImpl_PlaneDriver),
203 (Standard_Address)_Ancestors,
204 (Standard_Address)NULL);
209 //=======================================================================
210 //function : DownCast
212 //=======================================================================
213 const Handle(GEOMImpl_PlaneDriver) Handle(GEOMImpl_PlaneDriver)::DownCast
214 (const Handle(Standard_Transient)& AnObject)
216 Handle(GEOMImpl_PlaneDriver) _anOtherObject;
218 if (!AnObject.IsNull()) {
219 if (AnObject->IsKind(STANDARD_TYPE(GEOMImpl_PlaneDriver))) {
220 _anOtherObject = Handle(GEOMImpl_PlaneDriver)((Handle(GEOMImpl_PlaneDriver)&)AnObject);
224 return _anOtherObject ;