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230 lines
7.9 KiB
C++
Executable File
230 lines
7.9 KiB
C++
Executable File
// Copyright (c) 1999-2012 OPEN CASCADE SAS
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//
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// The content of this file is subject to the Open CASCADE Technology Public
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// License Version 6.5 (the "License"). You may not use the content of this file
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// except in compliance with the License. Please obtain a copy of the License
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// at http://www.opencascade.org and read it completely before using this file.
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//
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// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
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// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
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//
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// The Original Code and all software distributed under the License is
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// distributed on an "AS IS" basis, without warranty of any kind, and the
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// Initial Developer hereby disclaims all such warranties, including without
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// limitation, any warranties of merchantability, fitness for a particular
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// purpose or non-infringement. Please see the License for the specific terms
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// and conditions governing the rights and limitations under the License.
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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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