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1 | // Created on: 2004-06-10 |
2 | // Created by: Alexander SOLOVYOV |
3 | // Copyright (c) 2004-2014 OPEN CASCADE SAS |
4 | // |
5 | // This file is part of Open CASCADE Technology software library. |
6 | // |
7 | // This library is free software; you can redistribute it and/or modify it under |
8 | // the terms of the GNU Lesser General Public License version 2.1 as published |
9 | // by the Free Software Foundation, with special exception defined in the file |
10 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
11 | // distribution for complete text of the license and disclaimer of any warranty. |
12 | // |
13 | // Alternatively, this file may be used under the terms of Open CASCADE |
14 | // commercial license or contractual agreement. |
15 | |
16 | #ifndef _XSDRAWSTLVRML_DataSource_HeaderFile |
17 | #define _XSDRAWSTLVRML_DataSource_HeaderFile |
18 | |
19 | #include <Standard.hxx> |
20 | #include <Standard_Type.hxx> |
21 | |
22 | #include <TColStd_PackedMapOfInteger.hxx> |
23 | #include <TColStd_HArray2OfInteger.hxx> |
24 | #include <TColStd_HArray2OfReal.hxx> |
25 | #include <MeshVS_DataSource.hxx> |
26 | #include <Standard_Boolean.hxx> |
27 | #include <Standard_Integer.hxx> |
28 | #include <TColStd_Array1OfReal.hxx> |
29 | #include <MeshVS_EntityType.hxx> |
30 | #include <Standard_Address.hxx> |
31 | #include <TColStd_Array1OfInteger.hxx> |
32 | #include <Standard_Real.hxx> |
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33 | #include <Poly_Triangulation.hxx> |
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34 | |
35 | |
36 | class XSDRAWSTLVRML_DataSource; |
37 | DEFINE_STANDARD_HANDLE(XSDRAWSTLVRML_DataSource, MeshVS_DataSource) |
38 | |
39 | //! The sample DataSource for working with STLMesh_Mesh |
40 | class XSDRAWSTLVRML_DataSource : public MeshVS_DataSource |
41 | { |
42 | |
43 | public: |
44 | |
45 | |
46 | //! Constructor |
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47 | Standard_EXPORT XSDRAWSTLVRML_DataSource(const Handle(Poly_Triangulation)& aMesh); |
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48 | |
49 | //! Returns geometry information about node ( if IsElement is False ) or element ( IsElement is True ) |
50 | //! by co-ordinates. For element this method must return all its nodes co-ordinates in the strict order: X, Y, Z and |
51 | //! with nodes order is the same as in wire bounding the face or link. NbNodes is number of nodes of element. |
52 | //! It is recommended to return 1 for node. Type is an element type. |
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53 | Standard_EXPORT Standard_Boolean GetGeom (const Standard_Integer ID, const Standard_Boolean IsElement, TColStd_Array1OfReal& Coords, Standard_Integer& NbNodes, MeshVS_EntityType& Type) const Standard_OVERRIDE; |
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54 | |
55 | //! This method is similar to GetGeom, but returns only element or node type. This method is provided for |
56 | //! a fine performance. |
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57 | Standard_EXPORT Standard_Boolean GetGeomType (const Standard_Integer ID, const Standard_Boolean IsElement, MeshVS_EntityType& Type) const Standard_OVERRIDE; |
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58 | |
59 | //! This method returns by number an address of any entity which represents element or node data structure. |
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60 | Standard_EXPORT Standard_Address GetAddr (const Standard_Integer ID, const Standard_Boolean IsElement) const Standard_OVERRIDE; |
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61 | |
62 | //! This method returns information about what node this element consist of. |
63 | Standard_EXPORT virtual Standard_Boolean GetNodesByElement (const Standard_Integer ID, TColStd_Array1OfInteger& NodeIDs, Standard_Integer& NbNodes) const Standard_OVERRIDE; |
64 | |
65 | //! This method returns map of all nodes the object consist of. |
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66 | Standard_EXPORT const TColStd_PackedMapOfInteger& GetAllNodes() const Standard_OVERRIDE; |
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67 | |
68 | //! This method returns map of all elements the object consist of. |
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69 | Standard_EXPORT const TColStd_PackedMapOfInteger& GetAllElements() const Standard_OVERRIDE; |
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70 | |
71 | //! This method calculates normal of face, which is using for correct reflection presentation. |
72 | //! There is default method, for advance reflection this method can be redefined. |
73 | Standard_EXPORT virtual Standard_Boolean GetNormal (const Standard_Integer Id, const Standard_Integer Max, Standard_Real& nx, Standard_Real& ny, Standard_Real& nz) const Standard_OVERRIDE; |
74 | |
75 | |
76 | |
77 | |
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78 | DEFINE_STANDARD_RTTIEXT(XSDRAWSTLVRML_DataSource,MeshVS_DataSource) |
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79 | |
80 | protected: |
81 | |
82 | |
83 | |
84 | |
85 | private: |
86 | |
87 | |
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88 | Handle(Poly_Triangulation) myMesh; |
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89 | TColStd_PackedMapOfInteger myNodes; |
90 | TColStd_PackedMapOfInteger myElements; |
91 | Handle(TColStd_HArray2OfInteger) myElemNodes; |
92 | Handle(TColStd_HArray2OfReal) myNodeCoords; |
93 | Handle(TColStd_HArray2OfReal) myElemNormals; |
94 | |
95 | |
96 | }; |
97 | |
98 | |
99 | |
100 | |
101 | |
102 | |
103 | |
104 | #endif // _XSDRAWSTLVRML_DataSource_HeaderFile |