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_ArcDriver.hxx>
26 #include <GEOMImpl_IArc.hxx>
27 #include <GEOMImpl_Types.hxx>
28 #include <GEOM_Function.hxx>
30 #include <BRepBuilderAPI_MakeEdge.hxx>
31 #include <BRep_Tool.hxx>
33 #include <TopoDS_Shape.hxx>
34 #include <TopoDS_Edge.hxx>
35 #include <TopoDS_Vertex.hxx>
39 #include <GC_MakeArcOfCircle.hxx>
40 #include <GC_MakeCircle.hxx>
41 #include <GC_MakeArcOfEllipse.hxx>
42 #include <GC_MakeEllipse.hxx>
43 #include <Standard_ConstructionError.hxx>
44 #include <Precision.hxx>
47 #include <gp_Circ.hxx>
48 #include <gp_Elips.hxx>
49 #include <Geom_Circle.hxx>
50 #include <Geom_Ellipse.hxx>
52 #include "utilities.h"
54 //=======================================================================
57 //=======================================================================
58 const Standard_GUID& GEOMImpl_ArcDriver::GetID()
60 static Standard_GUID aArcDriver("FF1BBB35-5D14-4df2-980B-3A668264EA16");
65 //=======================================================================
66 //function : GEOMImpl_ArcDriver
68 //=======================================================================
69 GEOMImpl_ArcDriver::GEOMImpl_ArcDriver()
73 //=======================================================================
76 //=======================================================================
77 Standard_Integer GEOMImpl_ArcDriver::Execute(TFunction_Logbook& log) const
79 if (Label().IsNull()) return 0;
80 Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
82 GEOMImpl_IArc aCI (aFunction);
83 Standard_Integer aType = aFunction->GetType();
86 if ((aType == CIRC_ARC_THREE_PNT) || (aType == CIRC_ARC_CENTER) || (aType == ELLIPSE_ARC_CENTER_TWO_PNT))
88 Handle(GEOM_Function) aRefPoint1 = aCI.GetPoint1();
89 Handle(GEOM_Function) aRefPoint2 = aCI.GetPoint2();
90 Handle(GEOM_Function) aRefPoint3 = aCI.GetPoint3();
92 TopoDS_Shape aShapePnt1 = aRefPoint1->GetValue();
93 TopoDS_Shape aShapePnt2 = aRefPoint2->GetValue();
94 TopoDS_Shape aShapePnt3 = aRefPoint3->GetValue();
96 if (aShapePnt1.ShapeType() == TopAbs_VERTEX &&
97 aShapePnt2.ShapeType() == TopAbs_VERTEX &&
98 aShapePnt3.ShapeType() == TopAbs_VERTEX)
100 gp_Pnt aP1 = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt1));
101 gp_Pnt aP2 = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt2));
102 gp_Pnt aP3 = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt3));
104 if (aP1.Distance(aP2) < gp::Resolution() ||
105 aP1.Distance(aP3) < gp::Resolution() ||
106 aP2.Distance(aP3) < gp::Resolution())
107 Standard_ConstructionError::Raise("Arc creation aborted: coincident points given");
109 if (gp_Vec(aP1, aP2).IsParallel(gp_Vec(aP1, aP3), Precision::Angular()))
110 Standard_ConstructionError::Raise("Arc creation aborted: points lay on one line");
112 if (aType == CIRC_ARC_THREE_PNT)
114 GC_MakeArcOfCircle arc (aP1, aP2, aP3);
115 aShape = BRepBuilderAPI_MakeEdge(arc).Edge();
116 } else if ( aType == CIRC_ARC_CENTER ) { // CIRC_ARC_CENTER
117 Standard_Boolean sense = aCI.GetSense();
119 Standard_Real aRad = aP1.Distance(aP2);
120 gp_Vec aV1 (aP1, aP2);
121 gp_Vec aV2 (aP1, aP3);
122 gp_Vec aN = aV1 ^ aV2;
127 GC_MakeCircle circ (aP1, aN, aRad);
128 Handle(Geom_Circle) aGeomCirc = circ.Value();
130 GC_MakeArcOfCircle arc (aGeomCirc->Circ(), aP2, aP3, Standard_True);
131 aShape = BRepBuilderAPI_MakeEdge(arc).Edge();
132 } else if ( aType == ELLIPSE_ARC_CENTER_TWO_PNT ) { // ELLIPSE_ARC_CENTER_TWO_PNT
133 if ( aP1.Distance(aP2) <= aP1.Distance(aP3) ) {
134 // Standard_ConstructionError::Raise("Arc creation aborted: the distance from Center Point to Point 1 needs to be bigger than the distance from Center Point to Point 2");
135 cout << "aP1.Distance(aP2) <= aP1.Distance(aP3)" << endl;
141 GC_MakeEllipse ellipse (aP2, aP3, aP1);
142 Handle(Geom_Ellipse) aGeomEllipse = ellipse.Value();
144 gp_Vec aV1 (aP1, aP2);
145 gp_Vec aV2 (aP1, aP3);
147 double alpha = fabs(aV1.Angle(aV2));
149 GC_MakeArcOfEllipse arc (aGeomEllipse->Elips(), aP2, aP3, Standard_True);
150 aShape = BRepBuilderAPI_MakeEdge(arc).Edge();
157 if (aShape.IsNull()) return 0;
159 aFunction->SetValue(aShape);
161 log.SetTouched(Label());
166 //=======================================================================
167 //function : GEOMImpl_ArcDriver_Type_
169 //=======================================================================
170 Standard_EXPORT Handle_Standard_Type& GEOMImpl_ArcDriver_Type_()
173 static Handle_Standard_Type aType1 = STANDARD_TYPE(TFunction_Driver);
174 if ( aType1.IsNull()) aType1 = STANDARD_TYPE(TFunction_Driver);
175 static Handle_Standard_Type aType2 = STANDARD_TYPE(MMgt_TShared);
176 if ( aType2.IsNull()) aType2 = STANDARD_TYPE(MMgt_TShared);
177 static Handle_Standard_Type aType3 = STANDARD_TYPE(Standard_Transient);
178 if ( aType3.IsNull()) aType3 = STANDARD_TYPE(Standard_Transient);
181 static Handle_Standard_Transient _Ancestors[]= {aType1,aType2,aType3,NULL};
182 static Handle_Standard_Type _aType = new Standard_Type("GEOMImpl_ArcDriver",
183 sizeof(GEOMImpl_ArcDriver),
185 (Standard_Address)_Ancestors,
186 (Standard_Address)NULL);
191 //=======================================================================
192 //function : DownCast
194 //=======================================================================
195 const Handle(GEOMImpl_ArcDriver) Handle(GEOMImpl_ArcDriver)::DownCast(const Handle(Standard_Transient)& AnObject)
197 Handle(GEOMImpl_ArcDriver) _anOtherObject;
199 if (!AnObject.IsNull()) {
200 if (AnObject->IsKind(STANDARD_TYPE(GEOMImpl_ArcDriver))) {
201 _anOtherObject = Handle(GEOMImpl_ArcDriver)((Handle(GEOMImpl_ArcDriver)&)AnObject);
205 return _anOtherObject ;