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
22 #include <GEOMImpl_CircleDriver.hxx>
24 #include <GEOMImpl_ICircle.hxx>
25 #include <GEOMImpl_Types.hxx>
27 #include <GEOM_Function.hxx>
29 #include <GEOMUtils.hxx>
31 #include <BRepBuilderAPI_MakeEdge.hxx>
32 #include <BRep_Tool.hxx>
35 #include <TopoDS_Shape.hxx>
36 #include <TopoDS_Edge.hxx>
37 #include <TopoDS_Vertex.hxx>
41 #include <GC_MakeCircle.hxx>
42 #include <Geom_Circle.hxx>
44 #include <Standard_ConstructionError.hxx>
45 #include <Precision.hxx>
48 #include <gp_Circ.hxx>
50 //=======================================================================
53 //=======================================================================
54 const Standard_GUID& GEOMImpl_CircleDriver::GetID()
56 static Standard_GUID aCircleDriver("FF1BBB32-5D14-4df2-980B-3A668264EA16");
61 //=======================================================================
62 //function : GEOMImpl_CircleDriver
64 //=======================================================================
65 GEOMImpl_CircleDriver::GEOMImpl_CircleDriver()
69 //=======================================================================
72 //=======================================================================
73 Standard_Integer GEOMImpl_CircleDriver::Execute(TFunction_Logbook& log) const
75 if (Label().IsNull()) return 0;
76 Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
78 GEOMImpl_ICircle aCI (aFunction);
79 Standard_Integer aType = aFunction->GetType();
83 if (aType == CIRCLE_PNT_VEC_R) {
85 gp_Pnt aP = gp::Origin();
86 Handle(GEOM_Function) aRefPoint = aCI.GetCenter();
87 if (!aRefPoint.IsNull()) {
88 TopoDS_Shape aShapePnt = aRefPoint->GetValue();
89 if (aShapePnt.ShapeType() != TopAbs_VERTEX) {
90 Standard_ConstructionError::Raise
91 ("Circle creation aborted: invalid center argument, must be a point");
93 aP = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt));
97 Handle(GEOM_Function) aRefVector = aCI.GetVector();
98 if (!aRefVector.IsNull()) {
99 TopoDS_Shape aShapeVec = aRefVector->GetValue();
100 aV = GEOMUtils::GetVector(aShapeVec);
103 gp_Ax2 anAxes (aP, aV);
105 double anR = aCI.GetRadius();
106 char aMsg[] = "Circle creation aborted: radius value less than 1e-07 is not acceptable";
107 if (anR < Precision::Confusion())
108 Standard_ConstructionError::Raise(aMsg);
110 gp_Circ aCirc (anAxes, anR);
111 aShape = BRepBuilderAPI_MakeEdge(aCirc).Edge();
113 else if (aType == CIRCLE_CENTER_TWO_PNT) {
114 Handle(GEOM_Function) aRefPoint1 = aCI.GetPoint1();
115 Handle(GEOM_Function) aRefPoint2 = aCI.GetPoint2();
116 Handle(GEOM_Function) aRefPoint3 = aCI.GetPoint3();
117 TopoDS_Shape aShapePnt1 = aRefPoint1->GetValue();
118 TopoDS_Shape aShapePnt2 = aRefPoint2->GetValue();
119 TopoDS_Shape aShapePnt3 = aRefPoint3->GetValue();
120 if (aShapePnt1.ShapeType() == TopAbs_VERTEX &&
121 aShapePnt2.ShapeType() == TopAbs_VERTEX &&
122 aShapePnt3.ShapeType() == TopAbs_VERTEX)
124 gp_Pnt aP1 = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt1));
125 gp_Pnt aP2 = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt2));
126 gp_Pnt aP3 = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt3));
128 if (aP1.Distance(aP2) < gp::Resolution() ||
129 aP1.Distance(aP3) < gp::Resolution() ||
130 aP2.Distance(aP3) < gp::Resolution())
131 Standard_ConstructionError::Raise("Circle creation aborted: coincident points given");
133 if (gp_Vec(aP1, aP2).IsParallel(gp_Vec(aP1, aP3), Precision::Angular()))
134 Standard_ConstructionError::Raise("Circle creation aborted: points lay on one line");
136 double x, y, z, x1, y1, z1, x2, y2, z2, dx, dy, dz, dx2, dy2, dz2, dx3, dy3, dz3, aRadius;
137 //Calculations for Radius
138 x = aP1.X(); y = aP1.Y(); z = aP1.Z();
139 x1 = aP2.X(); y1 = aP2.Y(); z1 = aP2.Z();
143 aRadius = sqrt(dx*dx + dy*dy + dz*dz);
144 //Calculations for Plane Vector
145 x2 = aP3.X(); y2 = aP3.Y(); z2 = aP3.Z();
146 dx2 = x2 - x; dy2 = y2 - y; dz2 = z2 - z;
147 dx3 = ((dy*dz2) - (dy2*dz))/100;
148 dy3 = ((dx2*dz) - (dx*dz2))/100;
149 dz3 = ((dx*dy2) - (dx2*dy))/100;
151 gp_Dir aDir ( dx3, dy3, dz3 );
153 gp_Ax2 anAxes (aP1, aDir);
154 gp_Circ aCirc (anAxes, aRadius);
155 aShape = BRepBuilderAPI_MakeEdge(aCirc).Edge();
158 else if (aType == CIRCLE_THREE_PNT) {
159 Handle(GEOM_Function) aRefPoint1 = aCI.GetPoint1();
160 Handle(GEOM_Function) aRefPoint2 = aCI.GetPoint2();
161 Handle(GEOM_Function) aRefPoint3 = aCI.GetPoint3();
162 TopoDS_Shape aShapePnt1 = aRefPoint1->GetValue();
163 TopoDS_Shape aShapePnt2 = aRefPoint2->GetValue();
164 TopoDS_Shape aShapePnt3 = aRefPoint3->GetValue();
165 if (aShapePnt1.ShapeType() == TopAbs_VERTEX &&
166 aShapePnt2.ShapeType() == TopAbs_VERTEX &&
167 aShapePnt3.ShapeType() == TopAbs_VERTEX) {
168 gp_Pnt aP1 = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt1));
169 gp_Pnt aP2 = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt2));
170 gp_Pnt aP3 = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt3));
171 if (aP1.Distance(aP2) < gp::Resolution() ||
172 aP1.Distance(aP3) < gp::Resolution() ||
173 aP2.Distance(aP3) < gp::Resolution())
174 Standard_ConstructionError::Raise("Circle creation aborted: coincident points given");
175 if (gp_Vec(aP1, aP2).IsParallel(gp_Vec(aP1, aP3), Precision::Angular()))
176 Standard_ConstructionError::Raise("Circle creation aborted: points lay on one line");
177 Handle(Geom_Circle) aCirc = GC_MakeCircle(aP1, aP2, aP3).Value();
178 aShape = BRepBuilderAPI_MakeEdge(aCirc).Edge();
184 if (aShape.IsNull()) return 0;
186 aFunction->SetValue(aShape);
188 log.SetTouched(Label());
194 //=======================================================================
195 //function : GEOMImpl_CircleDriver_Type_
197 //=======================================================================
198 Standard_EXPORT Handle_Standard_Type& GEOMImpl_CircleDriver_Type_()
201 static Handle_Standard_Type aType1 = STANDARD_TYPE(TFunction_Driver);
202 if ( aType1.IsNull()) aType1 = STANDARD_TYPE(TFunction_Driver);
203 static Handle_Standard_Type aType2 = STANDARD_TYPE(MMgt_TShared);
204 if ( aType2.IsNull()) aType2 = STANDARD_TYPE(MMgt_TShared);
205 static Handle_Standard_Type aType3 = STANDARD_TYPE(Standard_Transient);
206 if ( aType3.IsNull()) aType3 = STANDARD_TYPE(Standard_Transient);
209 static Handle_Standard_Transient _Ancestors[]= {aType1,aType2,aType3,NULL};
210 static Handle_Standard_Type _aType = new Standard_Type("GEOMImpl_CircleDriver",
211 sizeof(GEOMImpl_CircleDriver),
213 (Standard_Address)_Ancestors,
214 (Standard_Address)NULL);
219 //=======================================================================
220 //function : DownCast
222 //=======================================================================
223 const Handle(GEOMImpl_CircleDriver) Handle(GEOMImpl_CircleDriver)::DownCast(const Handle(Standard_Transient)& AnObject)
225 Handle(GEOMImpl_CircleDriver) _anOtherObject;
227 if (!AnObject.IsNull()) {
228 if (AnObject->IsKind(STANDARD_TYPE(GEOMImpl_CircleDriver))) {
229 _anOtherObject = Handle(GEOMImpl_CircleDriver)((Handle(GEOMImpl_CircleDriver)&)AnObject);
233 return _anOtherObject ;