// Copyright (C) 2007-2008 CEA/DEN, EDF R&D, OPEN CASCADE // // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN, // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS // // This library is free software; you can redistribute it and/or // modify it under the terms of the GNU Lesser General Public // License as published by the Free Software Foundation; either // version 2.1 of the License. // // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU // Lesser General Public License for more details. // // You should have received a copy of the GNU Lesser General Public // License along with this library; if not, write to the Free Software // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA // // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com // #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include //======================================================================= //function : GetID //purpose : //======================================================================= const Standard_GUID& GEOMImpl_CircleDriver::GetID() { static Standard_GUID aCircleDriver("FF1BBB32-5D14-4df2-980B-3A668264EA16"); return aCircleDriver; } //======================================================================= //function : GEOMImpl_CircleDriver //purpose : //======================================================================= GEOMImpl_CircleDriver::GEOMImpl_CircleDriver() { } //======================================================================= //function : Execute //purpose : //======================================================================= Standard_Integer GEOMImpl_CircleDriver::Execute(TFunction_Logbook& log) const { if (Label().IsNull()) return 0; Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label()); GEOMImpl_ICircle aCI (aFunction); Standard_Integer aType = aFunction->GetType(); TopoDS_Shape aShape; if (aType == CIRCLE_PNT_VEC_R) { // Center gp_Pnt aP = gp::Origin(); Handle(GEOM_Function) aRefPoint = aCI.GetCenter(); if (!aRefPoint.IsNull()) { TopoDS_Shape aShapePnt = aRefPoint->GetValue(); if (aShapePnt.ShapeType() != TopAbs_VERTEX) { Standard_ConstructionError::Raise ("Circle creation aborted: invalid center argument, must be a point"); } aP = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt)); } // Normal gp_Vec aV = gp::DZ(); Handle(GEOM_Function) aRefVector = aCI.GetVector(); if (!aRefVector.IsNull()) { TopoDS_Shape aShapeVec = aRefVector->GetValue(); if (aShapeVec.ShapeType() != TopAbs_EDGE) { Standard_ConstructionError::Raise ("Circle creation aborted: invalid vector argument, must be a vector or an edge"); } TopoDS_Edge anE = TopoDS::Edge(aShapeVec); TopoDS_Vertex V1, V2; TopExp::Vertices(anE, V1, V2, Standard_True); if (!V1.IsNull() && !V2.IsNull()) { aV = gp_Vec(BRep_Tool::Pnt(V1), BRep_Tool::Pnt(V2)); if (aV.Magnitude() < gp::Resolution()) { Standard_ConstructionError::Raise ("Circle creation aborted: vector of zero length is given"); } } } // Axes gp_Ax2 anAxes (aP, aV); // Radius double anR = aCI.GetRadius(); char aMsg[] = "Circle creation aborted: radius value less than 1e-07 is not acceptable"; if (anR < Precision::Confusion()) Standard_ConstructionError::Raise(aMsg); // Circle gp_Circ aCirc (anAxes, anR); aShape = BRepBuilderAPI_MakeEdge(aCirc).Edge(); } else if (aType == CIRCLE_CENTER_TWO_PNT) { Handle(GEOM_Function) aRefPoint1 = aCI.GetPoint1(); Handle(GEOM_Function) aRefPoint2 = aCI.GetPoint2(); Handle(GEOM_Function) aRefPoint3 = aCI.GetPoint3(); TopoDS_Shape aShapePnt1 = aRefPoint1->GetValue(); TopoDS_Shape aShapePnt2 = aRefPoint2->GetValue(); TopoDS_Shape aShapePnt3 = aRefPoint3->GetValue(); if (aShapePnt1.ShapeType() == TopAbs_VERTEX && aShapePnt2.ShapeType() == TopAbs_VERTEX && aShapePnt3.ShapeType() == TopAbs_VERTEX) { gp_Pnt aP1 = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt1)); gp_Pnt aP2 = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt2)); gp_Pnt aP3 = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt3)); if (aP1.Distance(aP2) < gp::Resolution() || aP1.Distance(aP3) < gp::Resolution() || aP2.Distance(aP3) < gp::Resolution()) Standard_ConstructionError::Raise("Circle creation aborted: coincident points given"); if (gp_Vec(aP1, aP2).IsParallel(gp_Vec(aP1, aP3), Precision::Angular())) Standard_ConstructionError::Raise("Circle creation aborted: points lay on one line"); double x, y, z, x1, y1, z1, x2, y2, z2, dx, dy, dz, dx2, dy2, dz2, dx3, dy3, dz3, aRadius; //Calculations for Radius x = aP1.X(); y = aP1.Y(); z = aP1.Z(); x1 = aP2.X(); y1 = aP2.Y(); z1 = aP2.Z(); dx = x1 - x; dy = y1 - y; dz = z1 - z; aRadius = sqrt(dx*dx + dy*dy + dz*dz); //Calculations for Plane Vector x2 = aP3.X(); y2 = aP3.Y(); z2 = aP3.Z(); dx2 = x2 - x; dy2 = y2 - y; dz2 = z2 - z; dx3 = ((dy*dz2) - (dy2*dz))/100; dy3 = ((dx2*dz) - (dx*dz2))/100; dz3 = ((dx*dy2) - (dx2*dy))/100; //Make Plane Vector gp_Dir aDir ( dx3, dy3, dz3 ); //Make Circle gp_Ax2 anAxes (aP1, aDir); gp_Circ aCirc (anAxes, aRadius); aShape = BRepBuilderAPI_MakeEdge(aCirc).Edge(); } } else if (aType == CIRCLE_THREE_PNT) { Handle(GEOM_Function) aRefPoint1 = aCI.GetPoint1(); Handle(GEOM_Function) aRefPoint2 = aCI.GetPoint2(); Handle(GEOM_Function) aRefPoint3 = aCI.GetPoint3(); TopoDS_Shape aShapePnt1 = aRefPoint1->GetValue(); TopoDS_Shape aShapePnt2 = aRefPoint2->GetValue(); TopoDS_Shape aShapePnt3 = aRefPoint3->GetValue(); if (aShapePnt1.ShapeType() == TopAbs_VERTEX && aShapePnt2.ShapeType() == TopAbs_VERTEX && aShapePnt3.ShapeType() == TopAbs_VERTEX) { gp_Pnt aP1 = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt1)); gp_Pnt aP2 = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt2)); gp_Pnt aP3 = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt3)); if (aP1.Distance(aP2) < gp::Resolution() || aP1.Distance(aP3) < gp::Resolution() || aP2.Distance(aP3) < gp::Resolution()) Standard_ConstructionError::Raise("Circle creation aborted: coincident points given"); if (gp_Vec(aP1, aP2).IsParallel(gp_Vec(aP1, aP3), Precision::Angular())) Standard_ConstructionError::Raise("Circle creation aborted: points lay on one line"); Handle(Geom_Circle) aCirc = GC_MakeCircle(aP1, aP2, aP3).Value(); aShape = BRepBuilderAPI_MakeEdge(aCirc).Edge(); } } else { } if (aShape.IsNull()) return 0; aFunction->SetValue(aShape); log.SetTouched(Label()); return 1; } //======================================================================= //function : GEOMImpl_CircleDriver_Type_ //purpose : //======================================================================= Standard_EXPORT Handle_Standard_Type& GEOMImpl_CircleDriver_Type_() { static Handle_Standard_Type aType1 = STANDARD_TYPE(TFunction_Driver); if ( aType1.IsNull()) aType1 = STANDARD_TYPE(TFunction_Driver); static Handle_Standard_Type aType2 = STANDARD_TYPE(MMgt_TShared); if ( aType2.IsNull()) aType2 = STANDARD_TYPE(MMgt_TShared); static Handle_Standard_Type aType3 = STANDARD_TYPE(Standard_Transient); if ( aType3.IsNull()) aType3 = STANDARD_TYPE(Standard_Transient); static Handle_Standard_Transient _Ancestors[]= {aType1,aType2,aType3,NULL}; static Handle_Standard_Type _aType = new Standard_Type("GEOMImpl_CircleDriver", sizeof(GEOMImpl_CircleDriver), 1, (Standard_Address)_Ancestors, (Standard_Address)NULL); return _aType; } //======================================================================= //function : DownCast //purpose : //======================================================================= const Handle(GEOMImpl_CircleDriver) Handle(GEOMImpl_CircleDriver)::DownCast(const Handle(Standard_Transient)& AnObject) { Handle(GEOMImpl_CircleDriver) _anOtherObject; if (!AnObject.IsNull()) { if (AnObject->IsKind(STANDARD_TYPE(GEOMImpl_CircleDriver))) { _anOtherObject = Handle(GEOMImpl_CircleDriver)((Handle(GEOMImpl_CircleDriver)&)AnObject); } } return _anOtherObject ; }