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e816dce36e
1) Extend Poly_Triangulation by mesh purpose, possibility to be cleared and late-load deferred data interfaces. 2) Update BRep_TFace to store list of triangulations istead of single one. And also active one. Update getter and setter of single triangulation and add new methods to interaction with whole triangulations list. 3) Update BRep_Tool to get single triangulation of face according to the input mesh purpose or whole triangulations list. 4) Update BRep_Builder to make face by not only single triangulation but whole triangulations list with specified active one. 5) Add new methods to BRepTools to interact with shape triangulations (Load/Unload/Activate/LoadAll/UnloadAllTriangulation(s)) 6) Add new 'tlateload'command for shape to load/unload/activate triangulations. 7) Update 'trinfo' command by '-lods' options to print detailaed information about LODs of this shape 8) Support empty triangulations by selection. Use bounding box selection in this case. 9) Add new 'outdisplist' option to XDispaly command to print list of displayed objects to output variable but not to theDI 10) Add new '-noecho' option to vdisplay command to skip printing of displayed objects to theDI 11) Create new RWMesh_TriangulationSource as mesh data wrapper for delayed triangulation loading. 12) Create new RWMesh_TriangulationReader as base interface for reading primitive array from the buffer. 13) Cache nodes/triangles number defined in glTF file 14) Use RWMesh_TriangulationSource class as base of RWGltf_GltfLatePrimitiveArray one and RWMesh_TriangulationReader class as base of RWGltf_TriangulationReader one 15) Add possibilty to support of LODs by glTF reader. It is possible to skip data loading and load them later 16) Add new '-skiplateloading' (to skip triangulation loading), '-keeplate' (to keep information about deferred storage to load/unload triangulation later), '-toprintdebuginfo' (to print additional debug information) options to ReadGltf command 17) Add new test of glTF late loading
83 lines
3.7 KiB
C++
83 lines
3.7 KiB
C++
// Copyright (c) 2021 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 _RWMesh_TriangulationSource_HeaderFile
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#define _RWMesh_TriangulationSource_HeaderFile
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#include <Poly_Triangulation.hxx>
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class RWMesh_TriangulationReader;
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//! Mesh data wrapper for delayed triangulation loading.
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//! Class inherits Poly_Triangulation so that it can be put temporarily into TopoDS_Face within assembly structure.
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class RWMesh_TriangulationSource : public Poly_Triangulation
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{
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DEFINE_STANDARD_RTTIEXT(RWMesh_TriangulationSource, Poly_Triangulation)
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public:
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//! Constructor.
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Standard_EXPORT RWMesh_TriangulationSource();
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//! Destructor.
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Standard_EXPORT virtual ~RWMesh_TriangulationSource();
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//! Returns reader allowing to read data from the buffer.
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const Handle(RWMesh_TriangulationReader)& Reader() const { return myReader; }
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//! Sets reader allowing to read data from the buffer.
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void SetReader (const Handle(RWMesh_TriangulationReader)& theReader) { myReader = theReader; }
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//! Returns number of degenerated triangles collected during data reading.
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//! Used for debug statistic purpose.
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Standard_Integer DegeneratedTriNb() const { return myStatisticOfDegeneratedTriNb; }
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//! Gets access to number of degenerated triangles to collect them during data reading.
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Standard_Integer& ChangeDegeneratedTriNb() { return myStatisticOfDegeneratedTriNb; }
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public: //! @name late-load deferred data interface
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//! Returns number of nodes for deferred loading.
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//! Note: this is estimated values defined in object header, which might be different from actually loaded values
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//! (due to broken header or extra mesh processing).
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//! Always check triangulation size of actually loaded data in code to avoid out-of-range issues.
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virtual Standard_Integer NbDeferredNodes() const Standard_OVERRIDE { return myNbDefNodes; }
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//! Sets number of nodes for deferred loading.
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void SetNbDeferredNodes (const Standard_Integer theNbNodes) { myNbDefNodes = theNbNodes; }
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//! Returns number of triangles for deferred loading.
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//! Note: this is estimated values defined in object header, which might be different from actually loaded values
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//! (due to broken header or extra mesh processing).
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//! Always check triangulation size of actually loaded data in code to avoid out-of-range issues.
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virtual Standard_Integer NbDeferredTriangles() const Standard_OVERRIDE { return myNbDefTriangles; }
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//! Sets number of triangles for deferred loading.
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void SetNbDeferredTriangles (const Standard_Integer theNbTris) { myNbDefTriangles = theNbTris; }
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protected:
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//! Loads triangulation data from deferred storage using specified shared input file system.
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Standard_EXPORT virtual Standard_Boolean loadDeferredData (const Handle(OSD_FileSystem)& theFileSystem,
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const Handle(Poly_Triangulation)& theDestTriangulation) const Standard_OVERRIDE;
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protected:
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Handle(RWMesh_TriangulationReader) myReader;
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Standard_Integer myNbDefNodes;
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Standard_Integer myNbDefTriangles;
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mutable Standard_Integer myStatisticOfDegeneratedTriNb;
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};
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#endif // _RWMesh_TriangulationSource_HeaderFile
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