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STL Reader and Writer tools have been refactored to improve performance and usability: - Basic reading of STL file is separated to abstract class RWStl_Reader which is not bound to particular data structures; the target data model can be bound via inheritance. - RWStl package uses class Poly_Triangulation to represent triangular mesh. - Obsolete data structures and tools (packages StlMesh and StlTransfer) are removed.
77 lines
3.7 KiB
C++
77 lines
3.7 KiB
C++
// Created on: 2017-06-13
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// Created by: Alexander MALYSHEV
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// Copyright (c) 2017 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 _RWStl_HeaderFile
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#define _RWStl_HeaderFile
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#include <Message_ProgressIndicator.hxx>
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#include <OSD_Path.hxx>
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#include <Poly_Triangulation.hxx>
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#include <Standard_Macro.hxx>
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//! This class provides methods to read and write triangulation from / to the STL files.
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class RWStl
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{
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public:
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//! Write triangulation to binary STL file.
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//! binary format of an STL file.
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//! Returns false if the cannot be opened;
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Standard_EXPORT static Standard_Boolean WriteBinary (const Handle(Poly_Triangulation)& theMesh,
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const OSD_Path& thePath,
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const Handle(Message_ProgressIndicator)& theProgInd = Handle(Message_ProgressIndicator)());
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//! write the meshing in a file following the
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//! Ascii format of an STL file.
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//! Returns false if the cannot be opened;
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Standard_EXPORT static Standard_Boolean WriteAscii (const Handle(Poly_Triangulation)& theMesh,
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const OSD_Path& thePath,
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const Handle(Message_ProgressIndicator)& theProgInd = Handle(Message_ProgressIndicator)());
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//! Read specified STL file and returns its content as triangulation.
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//! In case of error, returns Null handle.
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Standard_EXPORT static Handle(Poly_Triangulation) ReadFile (const OSD_Path& theFile,
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const Handle(Message_ProgressIndicator)& aProgInd = Handle(Message_ProgressIndicator)());
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//! Read specified STL file and returns its content as triangulation.
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//! In case of error, returns Null handle.
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Standard_EXPORT static Handle(Poly_Triangulation) ReadFile (const Standard_CString theFile,
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const Handle(Message_ProgressIndicator)& aProgInd = Handle(Message_ProgressIndicator)());
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//! Read triangulation from a binary STL file
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//! In case of error, returns Null handle.
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Standard_EXPORT static Handle(Poly_Triangulation) ReadBinary (const OSD_Path& thePath,
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const Handle(Message_ProgressIndicator)& theProgInd = Handle(Message_ProgressIndicator)());
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//! Read triangulation from an Ascii STL file
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//! In case of error, returns Null handle.
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Standard_EXPORT static Handle(Poly_Triangulation) ReadAscii (const OSD_Path& thePath,
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const Handle(Message_ProgressIndicator)& theProgInd = Handle(Message_ProgressIndicator)());
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private:
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//! Write ASCII version.
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static Standard_Boolean writeASCII (const Handle(Poly_Triangulation)& theMesh,
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FILE *theFile,
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const Handle(Message_ProgressIndicator)& theProgInd);
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//! Write binary version.
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static Standard_Boolean writeBinary (const Handle(Poly_Triangulation)& theMesh,
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FILE *theFile,
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const Handle(Message_ProgressIndicator)& theProgInd);
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};
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#endif
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