Author: janehu Date: 2008-12-23 13:55:52 -0600 (Tue, 23 Dec 2008) New Revision: 2497 Modified: cgm/trunk/geom/OCC/OCCModifyEngine.cpp Log: Added offset_curves function in OCCModifyEngine. Modified: cgm/trunk/geom/OCC/OCCModifyEngine.cpp =================================================================== --- cgm/trunk/geom/OCC/OCCModifyEngine.cpp 2008-12-23 19:14:20 UTC (rev 2496) +++ cgm/trunk/geom/OCC/OCCModifyEngine.cpp 2008-12-23 19:55:52 UTC (rev 2497) @@ -45,6 +45,8 @@ #include "Geom_BezierCurve.hxx" #include "BndLib_AddSurface.hxx" #include "Handle_Geom_Plane.hxx" +#include "Handle_Geom_OffsetCurve.hxx" +#include "Geom_OffsetCurve.hxx" #include "BRepExtrema_DistShapeShape.hxx" #include "Extrema_ExtPC.hxx" #include "BRepPrimAPI_MakePrism.hxx" @@ -4772,17 +4774,41 @@ // Function : offset_curves // Member Type: PUBLIC // Description: -// Author : John Fowler -// Date : 10/02 +// Author : Jane Hu +// Date : 12/08 //=============================================================================== -CubitStatus OCCModifyEngine::offset_curves( DLIList<Curve*>& /*ref_edge_list*/, - DLIList<Curve*>&, - double /*offset_distance*/, - const CubitVector& /*offset_direction*/, - int /*gap_type*/ ) +CubitStatus OCCModifyEngine::offset_curves( DLIList<Curve*>& curves, + DLIList<Curve*>& new_curves, + double offset_distance, + const CubitVector& offset_direction, + int gap_type ) { - PRINT_ERROR("Option not supported for mesh based geometry.\n"); - return CUBIT_FAILURE; + //gap_type has no effect here. + gp_Dir offset(offset_direction.x(), offset_direction.y(), offset_direction.z()); + for(int i = 0 ; i < curves.size(); i++) + { + Curve* curve = curves.get_and_step(); + OCCCurve* occ_curve = CAST_TO(curve, OCCCurve); + if(!occ_curve) + continue; + TopoDS_Edge * edge = occ_curve->get_TopoDS_Edge(); + Standard_Real first; + Standard_Real last; + Handle(Geom_Curve) myCurve = BRep_Tool::Curve(*edge, first, last); + Handle(Geom_OffsetCurve) new_curve = + new Geom_OffsetCurve(myCurve,offset_distance, offset); + if(!new_curve) + { + TopologyEntity *entity = curve->topology_entity(); + BasicTopologyEntity *bte = CAST_TO(entity, BasicTopologyEntity); + PRINT_ERROR("Can't create offset curve for curve %d.\n", bte->id()); + continue; + } + *edge = BRepBuilderAPI_MakeEdge(new_curve); + Curve* offset_curve = OCCQueryEngine::instance()->populate_topology_bridge(*edge); + new_curves.append(offset_curve); + } + return CUBIT_SUCCESS; } //===============================================================================