// 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_LineDriver::GetID() { static Standard_GUID aLineDriver("FF1BBB06-5D14-4df2-980B-3A668264EA16"); return aLineDriver; } //======================================================================= //function : GEOMImpl_LineDriver //purpose : //======================================================================= GEOMImpl_LineDriver::GEOMImpl_LineDriver() { } //======================================================================= //function : Execute //purpose : //======================================================================= Standard_Integer GEOMImpl_LineDriver::Execute(TFunction_Logbook& log) const { if (Label().IsNull()) return 0; Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label()); GEOMImpl_ILine aPI (aFunction); Standard_Integer aType = aFunction->GetType(); TopoDS_Shape aShape; if (aType == LINE_TWO_PNT) { Handle(GEOM_Function) aRefPnt1 = aPI.GetPoint1(); Handle(GEOM_Function) aRefPnt2 = aPI.GetPoint2(); TopoDS_Shape aShape1 = aRefPnt1->GetValue(); TopoDS_Shape aShape2 = aRefPnt2->GetValue(); if (aShape1.ShapeType() != TopAbs_VERTEX || aShape2.ShapeType() != TopAbs_VERTEX) { Standard_ConstructionError::Raise("Wrong arguments: two points must be given"); } if (aShape1.IsSame(aShape2)) { Standard_ConstructionError::Raise("The end points must be different"); } gp_Pnt P1 = BRep_Tool::Pnt(TopoDS::Vertex(aShape1)); gp_Pnt P2 = BRep_Tool::Pnt(TopoDS::Vertex(aShape2)); if (P1.Distance(P2) < Precision::Confusion()) { Standard_ConstructionError::Raise("The end points are too close"); } aShape = BRepBuilderAPI_MakeEdge(P1, P2).Shape(); } else if (aType == LINE_TWO_FACES) { Handle(GEOM_Function) aRefFace1 = aPI.GetFace1(); Handle(GEOM_Function) aRefFace2 = aPI.GetFace2(); TopoDS_Shape aShape1 = aRefFace1->GetValue(); TopoDS_Shape aShape2 = aRefFace2->GetValue(); if (aShape1.ShapeType() != TopAbs_FACE || aShape2.ShapeType() != TopAbs_FACE) { Standard_ConstructionError::Raise("Wrong arguments: two faces must be given"); } if (aShape1.IsSame(aShape2)) { Standard_ConstructionError::Raise("The end faces must be different"); } BRepAlgoAPI_Section E (aShape1, aShape2, Standard_False); E.Approximation(Standard_True); E.Build(); if (!E.IsDone()) { Standard_ConstructionError::Raise("Line can not be performed on the given faces"); } else { TopExp_Explorer Exp (E, TopAbs_EDGE); if ( Exp.More() ){ aShape = Exp.Current(); Exp.Next(); } else { Standard_ConstructionError::Raise("Faces not have intersection line"); aShape = E.Shape(); } if ( Exp.More() ) aShape = E.Shape(); } } else if (aType == LINE_PNT_DIR) { Handle(GEOM_Function) aRefPnt = aPI.GetPoint1(); Handle(GEOM_Function) aRefDir = aPI.GetPoint2(); TopoDS_Shape aShape1 = aRefPnt->GetValue(); TopoDS_Shape aShape2 = aRefDir->GetValue(); if (aShape1.ShapeType() != TopAbs_VERTEX) { Standard_ConstructionError::Raise("Wrong first argument: must be point"); } if (aShape2.ShapeType() != TopAbs_EDGE) { Standard_ConstructionError::Raise("Wrong second argument: must be vector"); } if (aShape1.IsSame(aShape2)) { Standard_ConstructionError::Raise("The end points must be different"); } gp_Pnt P1 = BRep_Tool::Pnt(TopoDS::Vertex(aShape1)); TopoDS_Edge anE = TopoDS::Edge(aShape2); TopoDS_Vertex V1, V2; TopExp::Vertices(anE, V1, V2, Standard_True); if (V1.IsNull() || V2.IsNull()) { Standard_NullObject::Raise("Line creation aborted: vector is not defined"); } gp_Pnt PV1 = BRep_Tool::Pnt(V1); gp_Pnt PV2 = BRep_Tool::Pnt(V2); if (PV1.Distance(PV2) < Precision::Confusion()) { Standard_ConstructionError::Raise("Vector with null magnitude"); } gp_Pnt P2 (P1.XYZ() + PV2.XYZ() - PV1.XYZ()); aShape = BRepBuilderAPI_MakeEdge(P1, P2).Shape(); } else { } if (aShape.IsNull()) return 0; aShape.Infinite(true); aFunction->SetValue(aShape); log.SetTouched(Label()); return 1; } //======================================================================= //function : GEOMImpl_LineDriver_Type_ //purpose : //======================================================================= Standard_EXPORT Handle_Standard_Type& GEOMImpl_LineDriver_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_LineDriver", sizeof(GEOMImpl_LineDriver), 1, (Standard_Address)_Ancestors, (Standard_Address)NULL); return _aType; } //======================================================================= //function : DownCast //purpose : //======================================================================= const Handle(GEOMImpl_LineDriver) Handle(GEOMImpl_LineDriver)::DownCast (const Handle(Standard_Transient)& AnObject) { Handle(GEOMImpl_LineDriver) _anOtherObject; if (!AnObject.IsNull()) { if (AnObject->IsKind(STANDARD_TYPE(GEOMImpl_LineDriver))) { _anOtherObject = Handle(GEOMImpl_LineDriver)((Handle(GEOMImpl_LineDriver)&)AnObject); } } return _anOtherObject ; }