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https://github.com/Open-Cascade-SAS/OCCT.git
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973c2be1e1
The copying permission statements at the beginning of source files updated to refer to LGPL. Copyright dates extended till 2014 in advance.
77 lines
2.8 KiB
C++
77 lines
2.8 KiB
C++
// Created on: 1999-02-16
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// Created by: Andrey BETENEV
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// Copyright (c) 1999-1999 Matra Datavision
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// 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
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// under the terms of the GNU Lesser General Public 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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// sln 23.10.2001. CTS23496: If problems with creation of direction occur default direction is used (StepToGeom_MakeTransformation3d(...) function)
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#include <StepToGeom_MakeTransformation3d.ixx>
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#include <StepToGeom_MakeCartesianPoint.hxx>
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#include <StepToGeom_MakeDirection.hxx>
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#include <StepGeom_CartesianPoint.hxx>
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#include <StepGeom_Direction.hxx>
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#include <Geom_CartesianPoint.hxx>
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#include <Geom_Direction.hxx>
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#include <gp_Ax3.hxx>
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//=======================================================================
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//function : StepToGeom_MakeTransformation3d
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//purpose :
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//=======================================================================
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Standard_Boolean StepToGeom_MakeTransformation3d::Convert (const Handle(StepGeom_CartesianTransformationOperator3d)& SCTO, gp_Trsf& CT)
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{
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Handle(Geom_CartesianPoint) CP;
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if (StepToGeom_MakeCartesianPoint::Convert(SCTO->LocalOrigin(),CP))
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{
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const gp_Pnt Pgp = CP->Pnt();
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// sln 23.10.2001. CTS23496: If problems with creation of direction occur default direction is used
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gp_Dir D1(1.,0.,0.);
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const Handle(StepGeom_Direction) A1 = SCTO->Axis1();
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if (!A1.IsNull()) {
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Handle(Geom_Direction) D;
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if (StepToGeom_MakeDirection::Convert(A1,D))
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D1 = D->Dir();
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}
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gp_Dir D2(0.,1.,0.);
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const Handle(StepGeom_Direction) A2 = SCTO->Axis2();
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if (!A2.IsNull()) {
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Handle(Geom_Direction) D;
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if (StepToGeom_MakeDirection::Convert(A2,D))
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D2 = D->Dir();
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}
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Standard_Boolean isDefaultDirectionUsed = Standard_True;
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gp_Dir D3;
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const Handle(StepGeom_Direction) A3 = SCTO->Axis3();
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if (!A3.IsNull()) {
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Handle(Geom_Direction) D;
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if(StepToGeom_MakeDirection::Convert(A3,D)) {
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D3 = D->Dir();
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isDefaultDirectionUsed = Standard_False;
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}
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}
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if(isDefaultDirectionUsed)
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D3 = D1.Crossed(D2);
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const gp_Ax3 result(Pgp,D3,D1);
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CT.SetTransformation(result);
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CT = CT.Inverted(); //:n8 abv 16 Feb 99: tr8_as2_db.stp: reverse for accordance with LV tool
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return Standard_True;
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}
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return Standard_False;
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}
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