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d5f74e42d6
License statement text corrected; compiler warnings caused by Bison 2.41 disabled for MSVC; a few other compiler warnings on 54-bit Windows eliminated by appropriate type cast Wrong license statements corrected in several files. Copyright and license statements added in XSD and GLSL files. Copyright year updated in some files. Obsolete documentation files removed from DrawResources.
226 lines
7.5 KiB
C++
226 lines
7.5 KiB
C++
// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#include <IGESToBRep_Actor.ixx>
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#include <IGESToBRep.hxx>
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#include <IGESData_IGESEntity.hxx>
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#include <IGESData_IGESModel.hxx>
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#include <IGESData_GlobalSection.hxx>
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#include <IGESToBRep_CurveAndSurface.hxx>
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#include <BRepLib.hxx>
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#include <Standard_Failure.hxx>
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#include <Standard_ErrorHandler.hxx>
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#include <ShapeExtend_Explorer.hxx>
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#include <ShapeFix_ShapeTolerance.hxx>
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#include <Interface_Macros.hxx>
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#include <Interface_Static.hxx>
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#include <Message_ProgressSentry.hxx>
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#include <TopoDS_Shape.hxx>
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#include <TransferBRep.hxx>
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#include <TransferBRep_ShapeBinder.hxx>
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#include <XSAlgo.hxx>
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#include <XSAlgo_AlgoContainer.hxx>
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//=======================================================================
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//function : IGESToBRep_Actor
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//purpose :
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//=======================================================================
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IGESToBRep_Actor::IGESToBRep_Actor ()
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{ thecontinuity = 0; theeps = 0.0001; }
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//=======================================================================
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//function : SetModel
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//purpose :
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//=======================================================================
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void IGESToBRep_Actor::SetModel (const Handle(Interface_InterfaceModel)& model)
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{
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themodel = model;
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theeps = Handle(IGESData_IGESModel)::DownCast(themodel)->GlobalSection().Resolution();
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}
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//=======================================================================
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//function : SetContinuity
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//purpose :
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//=======================================================================
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void IGESToBRep_Actor::SetContinuity (const Standard_Integer continuity)
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{
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thecontinuity = continuity;
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}
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//=======================================================================
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//function : GetContinuity
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//purpose :
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//=======================================================================
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Standard_Integer IGESToBRep_Actor::GetContinuity () const
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{
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return thecontinuity;
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}
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//=======================================================================
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//function : Recognize
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//purpose :
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//=======================================================================
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Standard_Boolean IGESToBRep_Actor::Recognize
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(const Handle(Standard_Transient)& start)
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{
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DeclareAndCast(IGESData_IGESModel,mymodel,themodel);
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DeclareAndCast(IGESData_IGESEntity,ent,start);
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if (ent.IsNull()) return Standard_False;
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// Cas reconnus
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Standard_Integer typnum = ent->TypeNumber();
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Standard_Integer fornum = ent->FormNumber();
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if (IGESToBRep::IsCurveAndSurface(ent) ||
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((typnum == 402 && (fornum == 1 || fornum == 7 ||
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fornum == 14 || fornum == 15)) ||
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(typnum == 408 ) || (typnum == 308)))
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return Standard_True;
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// Cas restants : non reconnus
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return Standard_False;
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}
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//=======================================================================
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//function : EncodeRegul
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//purpose : INTERNAL to encode regularity on edges
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//=======================================================================
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static Standard_Boolean EncodeRegul (const TopoDS_Shape& sh)
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{
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Standard_Real tolang = Interface_Static::RVal("read.encoderegularity.angle");
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if (sh.IsNull()) return Standard_True;
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if (tolang <= 0) return Standard_True;
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try {
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OCC_CATCH_SIGNALS
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BRepLib::EncodeRegularity (sh,tolang);
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}
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catch(Standard_Failure) {
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return Standard_False;
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}
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return Standard_True;
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}
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//=======================================================================
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//function : TrimTolerances
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//purpose : Trims tolerances of the shape according to static parameters
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//
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//=======================================================================
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static void TrimTolerances (const TopoDS_Shape& shape,
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const Standard_Real tol)
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{
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if( Interface_Static::IVal("read.maxprecision.mode")==1) {
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ShapeFix_ShapeTolerance SFST;
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SFST.LimitTolerance (shape, 0, Max(tol,Interface_Static::RVal ("read.maxprecision.val")));
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}
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}
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//=======================================================================
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//function : Transfer
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//purpose :
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//=======================================================================
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Handle(Transfer_Binder) IGESToBRep_Actor::Transfer
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(const Handle(Standard_Transient)& start, const Handle(Transfer_TransientProcess)& TP)
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{
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DeclareAndCast(IGESData_IGESModel,mymodel,themodel);
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DeclareAndCast(IGESData_IGESEntity,ent,start);
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if (mymodel.IsNull() || ent.IsNull()) return NullResult();
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Standard_Integer anum = mymodel->Number(start);
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if(!Interface_Static::IVal("read.iges.faulty.entities") && mymodel->IsErrorEntity(anum))
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return NullResult();
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TopoDS_Shape shape;
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// appeler le transfert seulement si type OK
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Standard_Integer typnum = ent->TypeNumber();
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Standard_Integer fornum = ent->FormNumber();
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Standard_Real eps;
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if (IGESToBRep::IsCurveAndSurface(ent) ||
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(typnum == 402 && (fornum == 1 || fornum == 7||
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fornum == 14 || fornum == 15)) ||
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(typnum == 408) || (typnum == 308)) {
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// Start progress scope (no need to check if progress exists -- it is safe)
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Message_ProgressSentry aPSentry(TP->GetProgress(), "Transfer stage", 0, 2, 1);
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XSAlgo::AlgoContainer()->PrepareForTransfer();
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IGESToBRep_CurveAndSurface CAS;
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CAS.SetModel(mymodel);
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CAS.SetContinuity(thecontinuity);
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CAS.SetTransferProcess(TP);
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Standard_Integer Ival = Interface_Static::IVal("read.precision.mode");
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if ( Ival == 0)
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eps = mymodel->GlobalSection().Resolution();
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else
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eps = Interface_Static::RVal("read.precision.val"); //:10 ABV 11 Nov 97
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//:10 eps = BRepAPI::Precision();
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Ival = Interface_Static::IVal("read.iges.bspline.approxd1.mode");
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CAS.SetModeApprox ( (Ival > 0) );
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Ival = Interface_Static::IVal("read.surfacecurve.mode");
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CAS.SetSurfaceCurve (Ival);
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if (eps > 1.E-08) {
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CAS.SetEpsGeom(eps);
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theeps = eps*CAS.GetUnitFactor();
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// Interface_Static::SetRVal("lastpreci",theeps);
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}
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Standard_Integer nbTPitems = TP->NbMapped();
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{
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try {
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OCC_CATCH_SIGNALS
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shape = CAS.TransferGeometry(ent);
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}
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catch(Standard_Failure) {
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shape.Nullify();
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}
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}
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// Switch to fix stage.
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aPSentry.Next();
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// fixing shape
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Handle(Standard_Transient) info;
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shape = XSAlgo::AlgoContainer()->ProcessShape( shape, theeps, CAS.GetMaxTol(),
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"read.iges.resource.name",
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"read.iges.sequence", info,
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TP->GetProgress() );
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XSAlgo::AlgoContainer()->MergeTransferInfo(TP, info, nbTPitems);
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}
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ShapeExtend_Explorer SBE;
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if (SBE.ShapeType(shape,Standard_True) != TopAbs_SHAPE) {
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if (!shape.IsNull()) {
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EncodeRegul (shape);
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//#74 rln 03.03.99 S4135
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TrimTolerances (shape, UsedTolerance());
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// Shapes().Append(shape);
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}
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}
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Handle(TransferBRep_ShapeBinder) binder;
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if (!shape.IsNull()) binder = new TransferBRep_ShapeBinder(shape);
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return binder;
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}
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Standard_Real IGESToBRep_Actor::UsedTolerance () const
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{ return theeps; }
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