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#include <Standard_ErrorHandler.hxx>
#include <IGESToBRep_Actor.ixx>
#include <Standard_Failure.hxx>
#include <IGESToBRep.hxx>
#include <IGESData_IGESEntity.hxx>
#include <IGESData_IGESModel.hxx>
#include <IGESData_GlobalSection.hxx>
#include <IGESToBRep_CurveAndSurface.hxx>
#include <Interface_Macros.hxx>
#include <Interface_Static.hxx>
#include <TopoDS_Shape.hxx>
#include <TransferBRep.hxx>
#include <TransferBRep_ShapeBinder.hxx>
#include <XSAlgo.hxx>
#include <XSAlgo_AlgoContainer.hxx>
#include <ShapeFix_ShapeTolerance.hxx>
#include <BRepLib.hxx>
#include <ShapeExtend_Explorer.hxx>
//=======================================================================
//function : IGESToBRep_Actor
//purpose :
//=======================================================================
IGESToBRep_Actor::IGESToBRep_Actor ()
{ thecontinuity = 0; theeps = 0.0001; }
//=======================================================================
//function : SetModel
//purpose :
//=======================================================================
void IGESToBRep_Actor::SetModel (const Handle(Interface_InterfaceModel)& model)
{
themodel = model;
theeps = Handle(IGESData_IGESModel)::DownCast(themodel)->GlobalSection().Resolution();
}
//=======================================================================
//function : SetContinuity
//purpose :
//=======================================================================
void IGESToBRep_Actor::SetContinuity (const Standard_Integer continuity)
{
thecontinuity = continuity;
}
//=======================================================================
//function : GetContinuity
//purpose :
//=======================================================================
Standard_Integer IGESToBRep_Actor::GetContinuity () const
{
return thecontinuity;
}
//=======================================================================
//function : Recognize
//purpose :
//=======================================================================
Standard_Boolean IGESToBRep_Actor::Recognize
(const Handle(Standard_Transient)& start)
{
DeclareAndCast(IGESData_IGESModel,mymodel,themodel);
DeclareAndCast(IGESData_IGESEntity,ent,start);
if (ent.IsNull()) return Standard_False;
// Cas reconnus
Standard_Integer typnum = ent->TypeNumber();
Standard_Integer fornum = ent->FormNumber();
if (IGESToBRep::IsCurveAndSurface(ent) ||
((typnum == 402 && (fornum == 1 || fornum == 7 ||
fornum == 14 || fornum == 15)) ||
(typnum == 408 ) || (typnum == 308)))
return Standard_True;
// Cas restants : non reconnus
return Standard_False;
}
//=======================================================================
//function : EncodeRegul
//purpose : INTERNAL to encode regularity on edges
//=======================================================================
static Standard_Boolean EncodeRegul (const TopoDS_Shape& sh)
{
Standard_Real tolang = Interface_Static::RVal("read.encoderegularity.angle");
if (sh.IsNull()) return Standard_True;
if (tolang <= 0) return Standard_True;
try {
OCC_CATCH_SIGNALS
BRepLib::EncodeRegularity (sh,tolang);
}
catch(Standard_Failure) {
return Standard_False;
}
return Standard_True;
}
//=======================================================================
//function : TrimTolerances
//purpose : Trims tolerances of the shape according to static parameters
//
//=======================================================================
static void TrimTolerances (const TopoDS_Shape& shape,
const Standard_Real tol)
{
if( Interface_Static::IVal("read.maxprecision.mode")==1) {
ShapeFix_ShapeTolerance SFST;
SFST.LimitTolerance (shape, 0, Max(tol,Interface_Static::RVal ("read.maxprecision.val")));
}
}
//=======================================================================
//function : Transfer
//purpose :
//=======================================================================
Handle(Transfer_Binder) IGESToBRep_Actor::Transfer
(const Handle(Standard_Transient)& start, const Handle(Transfer_TransientProcess)& TP)
{
DeclareAndCast(IGESData_IGESModel,mymodel,themodel);
DeclareAndCast(IGESData_IGESEntity,ent,start);
if (mymodel.IsNull() || ent.IsNull()) return NullResult();
Standard_Integer anum = mymodel->Number(start);
if(!Interface_Static::IVal("read.iges.faulty.entities") && mymodel->IsErrorEntity(anum))
return NullResult();
TopoDS_Shape shape;
// appeler le transfert seulement si type OK
Standard_Integer typnum = ent->TypeNumber();
Standard_Integer fornum = ent->FormNumber();
Standard_Real eps;
if (IGESToBRep::IsCurveAndSurface(ent) ||
(typnum == 402 && (fornum == 1 || fornum == 7||
fornum == 14 || fornum == 15)) ||
(typnum == 408) || (typnum == 308)) {
XSAlgo::AlgoContainer()->PrepareForTransfer();
IGESToBRep_CurveAndSurface CAS;
CAS.SetModel(mymodel);
CAS.SetContinuity(thecontinuity);
CAS.SetTransferProcess(TP);
Standard_Integer Ival = Interface_Static::IVal("read.precision.mode");
if ( Ival == 0)
eps = mymodel->GlobalSection().Resolution();
else
eps = Interface_Static::RVal("read.precision.val"); //:10 ABV 11 Nov 97
//:10 eps = BRepAPI::Precision();
Ival = Interface_Static::IVal("read.iges.bspline.approxd1.mode");
CAS.SetModeApprox ( (Ival > 0) );
Ival = Interface_Static::IVal("read.surfacecurve.mode");
CAS.SetSurfaceCurve (Ival);
if (eps > 1.E-08) {
CAS.SetEpsGeom(eps);
theeps = eps*CAS.GetUnitFactor();
// Interface_Static::SetRVal("lastpreci",theeps);
}
Standard_Integer nbTPitems = TP->NbMapped();
{
try {
OCC_CATCH_SIGNALS
shape = CAS.TransferGeometry(ent);
}
catch(Standard_Failure) {
shape.Nullify();
}
}
// fixing shape
// shape = XSAlgo::AlgoContainer()->PerformFixShape( shape, TP, theeps, CAS.GetMaxTol() );
Handle(Standard_Transient) info;
shape = XSAlgo::AlgoContainer()->ProcessShape( shape, theeps, CAS.GetMaxTol(),
"read.iges.resource.name",
"read.iges.sequence", info );
XSAlgo::AlgoContainer()->MergeTransferInfo(TP, info, nbTPitems);
}
// if (!shape.IsNull()) TransferBRep::SameParameter (shape,Standard_False,eps);
ShapeExtend_Explorer SBE;
if (SBE.ShapeType(shape,Standard_True) != TopAbs_SHAPE) {
if (!shape.IsNull()) {
EncodeRegul (shape);
//#74 rln 03.03.99 S4135
TrimTolerances (shape, UsedTolerance());
// Shapes().Append(shape);
}
}
Handle(TransferBRep_ShapeBinder) binder;
if (!shape.IsNull()) binder = new TransferBRep_ShapeBinder(shape);
return binder;
}
Standard_Real IGESToBRep_Actor::UsedTolerance () const
{ return theeps; }
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