1 // Copyright (C) 2007-2012 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_VectorDriver.hxx>
26 #include <GEOMImpl_IVector.hxx>
27 #include <GEOMImpl_Types.hxx>
28 #include <GEOM_Function.hxx>
30 #include <BRep_Tool.hxx>
31 #include <BRepBuilderAPI_MakeEdge.hxx>
36 #include <TopoDS_Edge.hxx>
37 #include <TopoDS_Shape.hxx>
38 #include <TopoDS_Vertex.hxx>
41 #include <Precision.hxx>
42 #include <Geom_Curve.hxx>
44 #include <TCollection_AsciiString.hxx>
45 #include <Standard_ConstructionError.hxx>
47 //=======================================================================
50 //=======================================================================
51 const Standard_GUID& GEOMImpl_VectorDriver::GetID()
53 static Standard_GUID aVectorDriver("FF1BBB04-5D14-4df2-980B-3A668264EA16");
58 //=======================================================================
59 //function : GEOMImpl_VectorDriver
61 //=======================================================================
62 GEOMImpl_VectorDriver::GEOMImpl_VectorDriver()
66 //=======================================================================
69 //=======================================================================
70 Standard_Integer GEOMImpl_VectorDriver::Execute(TFunction_Logbook& log) const
72 if (Label().IsNull()) return 0;
73 Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
75 GEOMImpl_IVector aPI (aFunction);
76 Standard_Integer aType = aFunction->GetType();
77 if (aType != VECTOR_DX_DY_DZ && aType != VECTOR_TWO_PNT &&
78 aType != VECTOR_TANGENT_CURVE_PAR && aType != VECTOR_REVERSE) return 0;
82 if (aType == VECTOR_DX_DY_DZ) {
83 gp_Pnt P1 = gp::Origin();
84 gp_Pnt P2 (aPI.GetDX(), aPI.GetDY(), aPI.GetDZ());
85 if (P1.Distance(P2) < Precision::Confusion()) {
86 TCollection_AsciiString aMsg ("Can not build vector with length, less than ");
87 aMsg += TCollection_AsciiString(Precision::Confusion());
88 Standard_ConstructionError::Raise(aMsg.ToCString());
90 aShape = BRepBuilderAPI_MakeEdge(P1, P2).Shape();
92 else if (aType == VECTOR_TWO_PNT) {
93 Handle(GEOM_Function) aRefPnt1 = aPI.GetPoint1();
94 Handle(GEOM_Function) aRefPnt2 = aPI.GetPoint2();
95 TopoDS_Shape aShape1 = aRefPnt1->GetValue();
96 TopoDS_Shape aShape2 = aRefPnt2->GetValue();
97 if (aShape1.ShapeType() != TopAbs_VERTEX ||
98 aShape2.ShapeType() != TopAbs_VERTEX) return 0;
99 if (aShape1.IsSame(aShape2)) {
100 Standard_ConstructionError::Raise("The end points must be different");
102 TopoDS_Vertex V1 = TopoDS::Vertex(aShape1);
103 TopoDS_Vertex V2 = TopoDS::Vertex(aShape2);
104 gp_Pnt P1 = BRep_Tool::Pnt(V1);
105 gp_Pnt P2 = BRep_Tool::Pnt(V2);
106 if (P1.Distance(P2) < Precision::Confusion()) {
107 Standard_ConstructionError::Raise("The end points are too close");
109 aShape = BRepBuilderAPI_MakeEdge(V1, V2).Shape();
111 else if (aType == VECTOR_TANGENT_CURVE_PAR) {
112 Handle(GEOM_Function) aRefCurve = aPI.GetCurve();
113 TopoDS_Shape aRefShape = aRefCurve->GetValue();
114 if (aRefShape.ShapeType() != TopAbs_EDGE) {
115 Standard_TypeMismatch::Raise
116 ("Tangent On Curve creation aborted : curve shape is not an edge");
118 Standard_Real aFParam =0., aLParam =0., aParam =0.;
119 Handle(Geom_Curve) aCurve = BRep_Tool::Curve(TopoDS::Edge(aRefShape), aFParam, aLParam);
120 if(aCurve.IsNull()) {
121 Standard_TypeMismatch::Raise
122 ("Tangent On Curve creation aborted : curve is null");
125 aParam = aFParam + (aLParam - aFParam) * aPI.GetParameter();
126 gp_Pnt aPoint1,aPoint2;
128 aCurve->D1(aParam,aPoint1,aVec);
129 if(aVec.Magnitude() < gp::Resolution())
130 Standard_TypeMismatch::Raise
131 ("Tangent On Curve creation aborted : invalid value of tangent");
132 aPoint2.SetXYZ(aPoint1.XYZ() + aVec.XYZ());
133 BRepBuilderAPI_MakeEdge aBuilder(aPoint1,aPoint2);
134 if(aBuilder.IsDone())
135 aShape = aBuilder.Shape();
137 else if (aType == VECTOR_REVERSE) {
138 Handle(GEOM_Function) aRefVec = aPI.GetCurve();
139 TopoDS_Shape aRefShape = aRefVec->GetValue();
140 if (aRefShape.ShapeType() != TopAbs_EDGE) {
141 Standard_TypeMismatch::Raise
142 ("Reversed vector creation aborted : vector shape is not an edge");
144 TopoDS_Edge anE = TopoDS::Edge(aRefShape);
145 TopoDS_Vertex V1, V2;
146 TopExp::Vertices(anE, V1, V2, Standard_True);
147 aShape = BRepBuilderAPI_MakeEdge(V2, V1).Shape();
150 if (aShape.IsNull()) return 0;
152 aFunction->SetValue(aShape);
154 log.SetTouched(Label());
160 //=======================================================================
161 //function : GEOMImpl_VectorDriver_Type_
163 //=======================================================================
164 Standard_EXPORT Handle_Standard_Type& GEOMImpl_VectorDriver_Type_()
167 static Handle_Standard_Type aType1 = STANDARD_TYPE(TFunction_Driver);
168 if ( aType1.IsNull()) aType1 = STANDARD_TYPE(TFunction_Driver);
169 static Handle_Standard_Type aType2 = STANDARD_TYPE(MMgt_TShared);
170 if ( aType2.IsNull()) aType2 = STANDARD_TYPE(MMgt_TShared);
171 static Handle_Standard_Type aType3 = STANDARD_TYPE(Standard_Transient);
172 if ( aType3.IsNull()) aType3 = STANDARD_TYPE(Standard_Transient);
175 static Handle_Standard_Transient _Ancestors[]= {aType1,aType2,aType3,NULL};
176 static Handle_Standard_Type _aType = new Standard_Type("GEOMImpl_VectorDriver",
177 sizeof(GEOMImpl_VectorDriver),
179 (Standard_Address)_Ancestors,
180 (Standard_Address)NULL);
185 //=======================================================================
186 //function : DownCast
188 //=======================================================================
189 const Handle(GEOMImpl_VectorDriver) Handle(GEOMImpl_VectorDriver)::DownCast
190 (const Handle(Standard_Transient)& AnObject)
192 Handle(GEOMImpl_VectorDriver) _anOtherObject;
194 if (!AnObject.IsNull()) {
195 if (AnObject->IsKind(STANDARD_TYPE(GEOMImpl_VectorDriver))) {
196 _anOtherObject = Handle(GEOMImpl_VectorDriver)((Handle(GEOMImpl_VectorDriver)&)AnObject);
200 return _anOtherObject;