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Support of reading and writing tessellated geometry is added for the following STEP entities: - triangulated face - complex triangulated face - tessellated shell - tessellated solid - tessellated shape representation Models without BRep geometry (mesh formats like STL, OBJ and so on) are supported for writing to STEP. New parameters are added to enable/disable tessellated geometry reading and writing: - read.step.tessellated (On/Off/OnNoBRep) (On by default) - write.step.tessellated (On/Off/OnNoBRep) (OnNoBRep by default) OnNoBRep - tessellation is read/written only for entities for which there is no BRep representation. Faces with poly triangulation are written in STEP as triangulated face entities with one coordinates list per face. Only one poly triangulation per face (returned by BRep_Tool::Triangulation) is written to STEP.
86 lines
2.7 KiB
C++
86 lines
2.7 KiB
C++
// Created on: 1994-06-24
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// Created by: Frederic MAUPAS
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// Copyright (c) 1994-1999 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 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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#ifndef _TopoDSToStep_MakeShellBasedSurfaceModel_HeaderFile
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#define _TopoDSToStep_MakeShellBasedSurfaceModel_HeaderFile
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#include <Standard.hxx>
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#include <Standard_DefineAlloc.hxx>
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#include <Standard_Handle.hxx>
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#include <TopoDSToStep_Root.hxx>
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#include <Message_ProgressRange.hxx>
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class StepShape_ShellBasedSurfaceModel;
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class StepVisual_TessellatedItem;
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class TopoDS_Face;
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class Transfer_FinderProcess;
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class TopoDS_Shell;
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class TopoDS_Solid;
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//! This class implements the mapping between classes
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//! Face, Shell or Solid from TopoDS and ShellBasedSurfaceModel
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//! from StepShape. All the topology and geometry comprised
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//! into the shape are taken into account and translated.
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class TopoDSToStep_MakeShellBasedSurfaceModel : public TopoDSToStep_Root
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{
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public:
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DEFINE_STANDARD_ALLOC
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Standard_EXPORT TopoDSToStep_MakeShellBasedSurfaceModel(const TopoDS_Face& F,
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const Handle(Transfer_FinderProcess)& FP,
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const Message_ProgressRange& theProgress = Message_ProgressRange());
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Standard_EXPORT TopoDSToStep_MakeShellBasedSurfaceModel(const TopoDS_Shell& S,
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const Handle(Transfer_FinderProcess)& FP,
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const Message_ProgressRange& theProgress = Message_ProgressRange());
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Standard_EXPORT TopoDSToStep_MakeShellBasedSurfaceModel(const TopoDS_Solid& S,
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const Handle(Transfer_FinderProcess)& FP,
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const Message_ProgressRange& theProgress = Message_ProgressRange());
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Standard_EXPORT const Handle(StepShape_ShellBasedSurfaceModel)& Value() const;
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Standard_EXPORT const Handle(StepVisual_TessellatedItem)& TessellatedValue() const;
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protected:
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private:
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Handle(StepShape_ShellBasedSurfaceModel) theShellBasedSurfaceModel;
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Handle(StepVisual_TessellatedItem) theTessellatedItem;
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};
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#endif // _TopoDSToStep_MakeShellBasedSurfaceModel_HeaderFile
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