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_ConeDriver.hxx>
24 #include <GEOMImpl_ICone.hxx>
25 #include <GEOMImpl_Types.hxx>
26 #include <GEOM_Function.hxx>
28 #include <BRepPrimAPI_MakeCone.hxx>
29 #include <BRepPrimAPI_MakeCylinder.hxx>
30 #include <BRep_Tool.hxx>
34 #include <TopoDS_Shape.hxx>
35 #include <TopoDS_Vertex.hxx>
38 #include <Standard_TypeMismatch.hxx>
39 #include <Standard_NullObject.hxx>
40 #include <StdFail_NotDone.hxx>
41 #include <Precision.hxx>
45 //=======================================================================
48 //=======================================================================
49 const Standard_GUID& GEOMImpl_ConeDriver::GetID()
51 static Standard_GUID aConeDriver("FF1BBB15-5D14-4df2-980B-3A668264EA16");
56 //=======================================================================
57 //function : GEOMImpl_ConeDriver
59 //=======================================================================
60 GEOMImpl_ConeDriver::GEOMImpl_ConeDriver()
64 //=======================================================================
67 //=======================================================================
68 Standard_Integer GEOMImpl_ConeDriver::Execute(TFunction_Logbook& log) const
70 if (Label().IsNull()) return 0;
71 Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
73 GEOMImpl_ICone aCI (aFunction);
74 Standard_Integer aType = aFunction->GetType();
79 Standard_Real aR1 = aCI.GetR1();
80 Standard_Real aR2 = aCI.GetR2();
82 if (aType == CONE_R1_R2_H) {
86 } else if (aType == CONE_PNT_VEC_R1_R2_H) {
87 Handle(GEOM_Function) aRefPoint = aCI.GetPoint();
88 Handle(GEOM_Function) aRefVector = aCI.GetVector();
89 TopoDS_Shape aShapePnt = aRefPoint->GetValue();
90 TopoDS_Shape aShapeVec = aRefVector->GetValue();
91 if (aShapePnt.IsNull() || aShapeVec.IsNull()) {
92 Standard_NullObject::Raise
93 ("Cone creation aborted: point or vector is not defined");
95 if (aShapePnt.ShapeType() != TopAbs_VERTEX ||
96 aShapeVec.ShapeType() != TopAbs_EDGE) {
97 Standard_TypeMismatch::Raise
98 ("Cone creation aborted: point or vector shapes has wrong type");
101 aP = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt));
103 TopoDS_Edge anE = TopoDS::Edge(aShapeVec);
104 TopoDS_Vertex V1, V2;
105 TopExp::Vertices(anE, V1, V2, Standard_True);
106 if (V1.IsNull() || V2.IsNull()) {
107 Standard_NullObject::Raise
108 ("Cylinder creation aborted: vector is not defined");
110 aV = gp_Vec(BRep_Tool::Pnt(V1), BRep_Tool::Pnt(V2));
116 if (aCI.GetH() < 0.0) aV.Reverse();
117 gp_Ax2 anAxes (aP, aV);
120 // Cone does not work if same radius
121 if (fabs(aR1 - aR2) <= Precision::Confusion()) {
122 BRepPrimAPI_MakeCylinder MC (anAxes, (aR1 + aR2)/2.0, Abs(aCI.GetH()));
125 StdFail_NotDone::Raise("Cylinder can't be computed from the given parameters");
129 BRepPrimAPI_MakeCone MC (anAxes, aCI.GetR1(), aCI.GetR2(), Abs(aCI.GetH()));
132 StdFail_NotDone::Raise("Cylinder can't be computed from the given parameters");
136 if (aShape.IsNull()) return 0;
138 log.SetTouched(Label());
140 aFunction->SetValue(aShape);
145 //=======================================================================
146 //function : GEOMImpl_ConeDriver_Type_
148 //=======================================================================
149 Standard_EXPORT Handle_Standard_Type& GEOMImpl_ConeDriver_Type_()
152 static Handle_Standard_Type aType1 = STANDARD_TYPE(TFunction_Driver);
153 if ( aType1.IsNull()) aType1 = STANDARD_TYPE(TFunction_Driver);
154 static Handle_Standard_Type aType2 = STANDARD_TYPE(MMgt_TShared);
155 if ( aType2.IsNull()) aType2 = STANDARD_TYPE(MMgt_TShared);
156 static Handle_Standard_Type aType3 = STANDARD_TYPE(Standard_Transient);
157 if ( aType3.IsNull()) aType3 = STANDARD_TYPE(Standard_Transient);
160 static Handle_Standard_Transient _Ancestors[]= {aType1,aType2,aType3,NULL};
161 static Handle_Standard_Type _aType = new Standard_Type("GEOMImpl_ConeDriver",
162 sizeof(GEOMImpl_ConeDriver),
164 (Standard_Address)_Ancestors,
165 (Standard_Address)NULL);
170 //=======================================================================
171 //function : DownCast
173 //=======================================================================
174 const Handle(GEOMImpl_ConeDriver) Handle(GEOMImpl_ConeDriver)::DownCast(const Handle(Standard_Transient)& AnObject)
176 Handle(GEOMImpl_ConeDriver) _anOtherObject;
178 if (!AnObject.IsNull()) {
179 if (AnObject->IsKind(STANDARD_TYPE(GEOMImpl_ConeDriver))) {
180 _anOtherObject = Handle(GEOMImpl_ConeDriver)((Handle(GEOMImpl_ConeDriver)&)AnObject);
184 return _anOtherObject ;