X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FGEOMImpl%2FGEOMImpl_EllipseDriver.cxx;h=68235edd7998acdd2650311fe252ab0a782e23de;hb=25b91b8d9df5a001f75eb1355412124cb85d8d87;hp=03685a46bedb25a36a380c782ad31abcf68ccd89;hpb=9499b99fe2dcb53e1ea364f97986f8f432b04600;p=modules%2Fgeom.git diff --git a/src/GEOMImpl/GEOMImpl_EllipseDriver.cxx b/src/GEOMImpl/GEOMImpl_EllipseDriver.cxx index 03685a46b..68235edd7 100644 --- a/src/GEOMImpl/GEOMImpl_EllipseDriver.cxx +++ b/src/GEOMImpl/GEOMImpl_EllipseDriver.cxx @@ -1,21 +1,23 @@ -// Copyright (C) 2005 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. +// Copyright (C) 2007-2010 CEA/DEN, EDF R&D, OPEN CASCADE // -// 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 +// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN, +// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS // -// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com +// 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 @@ -71,24 +73,72 @@ Standard_Integer GEOMImpl_EllipseDriver::Execute(TFunction_Logbook& log) const TopoDS_Shape aShape; if (aType == ELLIPSE_PNT_VEC_RR) { - Handle(GEOM_Function) aRefPoint = aCI.GetCenter(); + // 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 + ("Ellipse 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(); - TopoDS_Shape aShapePnt = aRefPoint->GetValue(); - TopoDS_Shape aShapeVec = aRefVector->GetValue(); - if (aShapePnt.ShapeType() == TopAbs_VERTEX && - aShapeVec.ShapeType() == TopAbs_EDGE) { - gp_Pnt aP = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt)); + if (!aRefVector.IsNull()) { + TopoDS_Shape aShapeVec = aRefVector->GetValue(); + if (aShapeVec.ShapeType() != TopAbs_EDGE) { + Standard_ConstructionError::Raise + ("Ellipse creation aborted: invalid normal 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()) { - gp_Vec aV (BRep_Tool::Pnt(V1), BRep_Tool::Pnt(V2)); - gp_Ax2 anAxes (aP, aV); - gp_Elips anEll (anAxes, aCI.GetRMajor(), aCI.GetRMinor()); - aShape = BRepBuilderAPI_MakeEdge(anEll).Edge(); + aV = gp_Vec(BRep_Tool::Pnt(V1), BRep_Tool::Pnt(V2)); + if (aV.Magnitude() < gp::Resolution()) { + Standard_ConstructionError::Raise + ("Ellipse creation aborted: normal vector of zero length is given"); + } } } - } else { + + // Axes + gp_Ax2 anAxes (aP, aV); + + // Main Axis vector + Handle(GEOM_Function) aRefVectorMaj = aCI.GetVectorMajor(); + if (!aRefVectorMaj.IsNull()) { + TopoDS_Shape aShapeVec = aRefVectorMaj->GetValue(); + if (aShapeVec.ShapeType() != TopAbs_EDGE) { + Standard_ConstructionError::Raise + ("Ellipse creation aborted: invalid major axis 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()) { + gp_Vec aVM (BRep_Tool::Pnt(V1), BRep_Tool::Pnt(V2)); + if (aVM.Magnitude() < gp::Resolution()) { + Standard_ConstructionError::Raise + ("Ellipse creation aborted: major axis vector of zero length is given"); + } + if (aV.IsParallel(aVM, Precision::Angular())) { + Standard_ConstructionError::Raise + ("Ellipse creation aborted: normal and major axis vectors are parallel"); + } + // Axes defined with main axis vector + anAxes = gp_Ax2 (aP, aV, aVM); + } + } + + // Ellipse + gp_Elips anEll (anAxes, aCI.GetRMajor(), aCI.GetRMinor()); + aShape = BRepBuilderAPI_MakeEdge(anEll).Edge(); + } + else { } if (aShape.IsNull()) return 0; @@ -118,10 +168,10 @@ Standard_EXPORT Handle_Standard_Type& GEOMImpl_EllipseDriver_Type_() static Handle_Standard_Transient _Ancestors[]= {aType1,aType2,aType3,NULL}; static Handle_Standard_Type _aType = new Standard_Type("GEOMImpl_EllipseDriver", - sizeof(GEOMImpl_EllipseDriver), - 1, - (Standard_Address)_Ancestors, - (Standard_Address)NULL); + sizeof(GEOMImpl_EllipseDriver), + 1, + (Standard_Address)_Ancestors, + (Standard_Address)NULL); return _aType; }