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152 lines
5.5 KiB
C++
152 lines
5.5 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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//:n7 abv 16.02.99: treatment of CARTESIAN_TRSF_OP_3D placed to StepGeom_MkTransformed3d
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// sln 23.10.2001. CTS23496: Verifying on error creation of directions is added (StepToTopoDS_MakeTransformed::Compute(...) function)
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#include <Geom_Axis2Placement.hxx>
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#include <Geom_CartesianPoint.hxx>
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#include <gp_Ax3.hxx>
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#include <gp_Trsf.hxx>
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#include <gp_TrsfForm.hxx>
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#include <StepGeom_Axis2Placement3d.hxx>
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#include <StepGeom_CartesianPoint.hxx>
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#include <StepGeom_CartesianTransformationOperator3d.hxx>
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#include <StepRepr_ItemDefinedTransformation.hxx>
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#include <StepRepr_MappedItem.hxx>
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#include <StepRepr_Representation.hxx>
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#include <StepRepr_RepresentationMap.hxx>
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#include <StepToGeom.hxx>
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#include <StepToTopoDS_MakeTransformed.hxx>
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#include <Transfer_TransientProcess.hxx>
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#include <TransferBRep_ShapeBinder.hxx>
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// + pour CartesianOperator3d
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//=======================================================================
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//function : StepToTopoDS_MakeTransformed
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//purpose :
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//=======================================================================
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StepToTopoDS_MakeTransformed::StepToTopoDS_MakeTransformed ()
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{
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}
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//=======================================================================
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//function : Compute
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//purpose :
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//=======================================================================
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Standard_Boolean StepToTopoDS_MakeTransformed::Compute
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(const Handle(StepGeom_Axis2Placement3d)& Origin,
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const Handle(StepGeom_Axis2Placement3d)& Target)
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{
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theTrsf = gp_Trsf(); // reinit
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if (Origin.IsNull() || Target.IsNull()) return Standard_False;
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// sln 23.10.2001 : If the directions have not been created do nothing.
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Handle(Geom_Axis2Placement) theOrig = StepToGeom::MakeAxis2Placement (Origin);
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if (theOrig.IsNull())
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return Standard_False;
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Handle(Geom_Axis2Placement) theTarg = StepToGeom::MakeAxis2Placement (Target);
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if (theTarg.IsNull())
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return Standard_False;
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const gp_Ax3 ax3Orig(theOrig->Ax2());
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const gp_Ax3 ax3Targ(theTarg->Ax2());
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// ne pas se tromper de sens !
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theTrsf.SetTransformation(ax3Targ, ax3Orig);
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return Standard_True;
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}
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//=======================================================================
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//function : Compute
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//purpose :
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//=======================================================================
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Standard_Boolean StepToTopoDS_MakeTransformed::Compute
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(const Handle(StepGeom_CartesianTransformationOperator3d)& Operator)
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{
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return StepToGeom::MakeTransformation3d (Operator, theTrsf);
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}
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//=======================================================================
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//function : Transformation
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//purpose :
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//=======================================================================
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const gp_Trsf& StepToTopoDS_MakeTransformed::Transformation () const
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{
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return theTrsf;
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}
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//=======================================================================
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//function : Transform
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//purpose :
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//=======================================================================
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Standard_Boolean StepToTopoDS_MakeTransformed::Transform
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(TopoDS_Shape& shape) const
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{
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if (theTrsf.Form() == gp_Identity) return Standard_False;
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TopLoc_Location theLoc(theTrsf);
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shape.Move (theLoc);
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return Standard_True;
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}
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//=======================================================================
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//function : TranslateMappedItem
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//purpose :
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//=======================================================================
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TopoDS_Shape StepToTopoDS_MakeTransformed::TranslateMappedItem
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(const Handle(StepRepr_MappedItem)& mapit,
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const Handle(Transfer_TransientProcess)& TP,
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const Message_ProgressRange& theProgress)
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{
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TopoDS_Shape theResult;
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// Positionnement : 2 formules
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// 1/ Ax2 dans Source et comme Target : passage de Source a Target
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// 2/ CartesianOperator3d comme Target : on applique
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Handle(StepGeom_Axis2Placement3d) Origin =
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Handle(StepGeom_Axis2Placement3d)::DownCast(mapit->MappingSource()
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->MappingOrigin());
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Handle(StepGeom_Axis2Placement3d) Target =
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Handle(StepGeom_Axis2Placement3d)::DownCast(mapit->MappingTarget());
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Handle(StepGeom_CartesianTransformationOperator3d) CartOp =
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Handle(StepGeom_CartesianTransformationOperator3d)::DownCast(mapit->MappingTarget());
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Standard_Boolean ok = Standard_False;
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if (!Origin.IsNull() && !Target.IsNull()) ok = Compute (Origin,Target);
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else if (!CartOp.IsNull()) ok = Compute (CartOp);
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if (!ok) TP->AddWarning (mapit,"Mapped Item, case not recognized, location ignored");
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// La Shape, et la mise en position
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Handle(StepRepr_Representation) maprep = mapit->MappingSource()->MappedRepresentation();
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Handle(Transfer_Binder) binder = TP->Find(maprep);
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if (binder.IsNull()) binder = TP->Transferring(maprep, theProgress);
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Handle(TransferBRep_ShapeBinder) shbinder =
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Handle(TransferBRep_ShapeBinder)::DownCast(binder);
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if (shbinder.IsNull()) TP->AddWarning(mapit,"No Shape Produced");
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else {
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theResult = shbinder->Result();
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Transform (theResult);
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}
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return theResult;
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}
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