include/opencascade/XSDRAWSTL_DataSource3D.hxx

0001 // Created on: 2014-08-04
0002 // Created by: Artem NOVIKOV
0003 // Copyright (c) 2014 OPEN CASCADE SAS
0004 //
0005 // This file is part of Open CASCADE Technology software library.
0006 //
0007 // This library is free software; you can redistribute it and/or modify it under
0008 // the terms of the GNU Lesser General Public License version 2.1 as published
0009 // by the Free Software Foundation, with special exception defined in the file
0010 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0011 // distribution for complete text of the license and disclaimer of any warranty.
0012 //
0013 // Alternatively, this file may be used under the terms of Open CASCADE
0014 // commercial license or contractual agreement.
0015
0016 #ifndef _XSDRAWSTL_DataSource3D_HeaderFile
0017 #define _XSDRAWSTL_DataSource3D_HeaderFile
0018
0019 #include <Standard.hxx>
0020 #include <Standard_Type.hxx>
0021
0022 #include <TColStd_HArray1OfInteger.hxx>
0023 #include <TColStd_HArray2OfReal.hxx>
0024 #include <TColStd_HArray2OfInteger.hxx>
0025 #include <MeshVS_DataSource.hxx>
0026 #include <Standard_Integer.hxx>
0027 #include <TColStd_Array1OfReal.hxx>
0028 #include <MeshVS_EntityType.hxx>
0029 #include <MeshVS_HArray1OfSequenceOfInteger.hxx>
0030 #include <TColStd_Array1OfInteger.hxx>
0031
0032
0033 class XSDRAWSTL_DataSource3D;
0034 DEFINE_STANDARD_HANDLE(XSDRAWSTL_DataSource3D, MeshVS_DataSource)
0035
0036 //! The sample DataSource3D for working with STLMesh_Mesh
0037 class XSDRAWSTL_DataSource3D : public MeshVS_DataSource
0038 {
0039
0040 public:
0041
0042
0043   //! Constructor
0044   Standard_EXPORT XSDRAWSTL_DataSource3D();
0045
0046   //! Returns geometry information about node (if IsElement is False) or element (IsElement is True) by coordinates.
0047   //! For element this method must return all its nodes coordinates in the strict order: X, Y, Z and
0048   //! with nodes order is the same as in wire bounding the face or link. NbNodes is number of nodes of element.
0049   //! It is recommended to return 1 for node. Type is an element type.
0050   Standard_EXPORT Standard_Boolean GetGeom (const Standard_Integer theID, const Standard_Boolean theIsElement, TColStd_Array1OfReal& theCoords, Standard_Integer& theNbNodes, MeshVS_EntityType& theType) const Standard_OVERRIDE;
0051
0052   //! This method returns topology information about 3D-element
0053   //! Returns false if element with ID isn't 3D or because other troubles
0054   Standard_EXPORT virtual Standard_Boolean Get3DGeom (const Standard_Integer theID, Standard_Integer& theNbNodes, Handle(MeshVS_HArray1OfSequenceOfInteger)& theData) const Standard_OVERRIDE;
0055
0056   //! This method is similar to GetGeom, but returns only element or node type. This method is provided for
0057   //! a fine performance.
0058   Standard_EXPORT Standard_Boolean GetGeomType (const Standard_Integer theID, const Standard_Boolean theIsElement, MeshVS_EntityType& theType) const Standard_OVERRIDE;
0059
0060   //! This method returns by number an address of any entity which represents element or node data structure.
0061   Standard_EXPORT Standard_Address GetAddr (const Standard_Integer theID, const Standard_Boolean theIsElement) const Standard_OVERRIDE;
0062
0063   //! This method returns information about what node this element consist of.
0064   Standard_EXPORT virtual Standard_Boolean GetNodesByElement (const Standard_Integer theID, TColStd_Array1OfInteger& theNodeIDs, Standard_Integer& theNbNodes) const Standard_OVERRIDE;
0065
0066   //! This method returns map of all nodes the object consist of.
0067   Standard_EXPORT const TColStd_PackedMapOfInteger& GetAllNodes() const Standard_OVERRIDE;
0068
0069   //! This method returns map of all elements the object consist of.
0070   Standard_EXPORT const TColStd_PackedMapOfInteger& GetAllElements() const Standard_OVERRIDE;
0071
0072   //! This method calculates normal of face, which is using for correct reflection presentation.
0073   //! There is default method, for advance reflection this method can be redefined.
0074   Standard_EXPORT virtual Standard_Boolean GetNormal (const Standard_Integer theID, const Standard_Integer theMax, Standard_Real& theNx, Standard_Real& theNy, Standard_Real& theNz) const Standard_OVERRIDE;
0075
0076
0077
0078
0079   DEFINE_STANDARD_RTTIEXT(XSDRAWSTL_DataSource3D,MeshVS_DataSource)
0080
0081 protected:
0082
0083
0084
0085
0086 private:
0087
0088
0089   TColStd_PackedMapOfInteger myNodes;
0090   TColStd_PackedMapOfInteger myElements;
0091   Handle(TColStd_HArray1OfInteger) myElemNbNodes;
0092   Handle(TColStd_HArray2OfReal) myNodeCoords;
0093   Handle(TColStd_HArray2OfInteger) myElemNodes;
0094
0095
0096 };
0097
0098
0099
0100
0101
0102
0103
0104 #endif // _XSDRAWSTL_DataSource3D_HeaderFile