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1 | // Created on: 2005-01-21 |
2 | // Created by: Alexander SOLOVYOV |
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3 | // Copyright (c) 2005-2014 OPEN CASCADE SAS |
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4 | // |
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5 | // This file is part of Open CASCADE Technology software library. |
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6 | // |
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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 |
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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. |
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12 | // |
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13 | // Alternatively, this file may be used under the terms of Open CASCADE |
14 | // commercial license or contractual agreement. |
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15 | |
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16 | |
17 | #include <MeshVS_DataSource3D.hxx> |
18 | #include <Standard_Type.hxx> |
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19 | |
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20 | IMPLEMENT_STANDARD_RTTIEXT(MeshVS_DataSource3D,MeshVS_DataSource) |
21 | |
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22 | //================================================================ |
23 | // Function : GetPrismTopology |
24 | // Purpose : |
25 | //================================================================ |
26 | Handle( MeshVS_HArray1OfSequenceOfInteger ) |
27 | MeshVS_DataSource3D::GetPrismTopology( const Standard_Integer BasePoints ) const |
28 | { |
29 | if( myPrismTopos.IsBound( BasePoints ) ) |
30 | return myPrismTopos.Find( BasePoints ); |
31 | else |
32 | { |
33 | Handle( MeshVS_HArray1OfSequenceOfInteger ) result = CreatePrismTopology( BasePoints ); |
34 | if( !result.IsNull() ) |
35 | ( ( MeshVS_DataSource3D* )this )->myPrismTopos.Bind( BasePoints, result ); |
36 | return result; |
37 | } |
38 | } |
39 | |
40 | //================================================================ |
41 | // Function : GetPyramidTopology |
42 | // Purpose : |
43 | //================================================================ |
44 | Handle( MeshVS_HArray1OfSequenceOfInteger ) |
45 | MeshVS_DataSource3D::GetPyramidTopology( const Standard_Integer BasePoints ) const |
46 | { |
47 | if( myPyramidTopos.IsBound( BasePoints ) ) |
48 | return myPyramidTopos.Find( BasePoints ); |
49 | else |
50 | { |
51 | Handle( MeshVS_HArray1OfSequenceOfInteger ) result = CreatePyramidTopology( BasePoints ); |
52 | if( !result.IsNull() ) |
53 | ( ( MeshVS_DataSource3D* )this )->myPyramidTopos.Bind( BasePoints, result ); |
54 | return result; |
55 | } |
56 | } |
57 | |
58 | //================================================================ |
59 | // Function : CreatePrismTopology |
60 | // Purpose : |
61 | //================================================================ |
62 | Handle( MeshVS_HArray1OfSequenceOfInteger ) |
63 | MeshVS_DataSource3D::CreatePrismTopology( const Standard_Integer BasePoints ) |
64 | { |
65 | Handle( MeshVS_HArray1OfSequenceOfInteger ) result; |
66 | |
67 | if( BasePoints>=3 ) |
68 | { |
69 | result = new MeshVS_HArray1OfSequenceOfInteger( 1, BasePoints+2 ); |
70 | Standard_Integer i, next; |
71 | |
72 | for( i=0; i<BasePoints; i++ ) |
73 | { |
74 | result->ChangeValue( 1 ).Prepend( i ); |
75 | result->ChangeValue( 2 ).Append( i+BasePoints ); |
76 | |
77 | result->ChangeValue( 3+i ).Prepend( i ); |
78 | result->ChangeValue( 3+i ).Prepend( i+BasePoints ); |
79 | next = ( i+1 ) % BasePoints; |
80 | result->ChangeValue( 3+i ).Prepend( next+BasePoints ); |
81 | result->ChangeValue( 3+i ).Prepend( next ); |
82 | } |
83 | } |
84 | |
85 | return result; |
86 | } |
87 | |
88 | //================================================================ |
89 | // Function : CreatePyramidTopology |
90 | // Purpose : |
91 | //================================================================ |
92 | Handle( MeshVS_HArray1OfSequenceOfInteger ) |
93 | MeshVS_DataSource3D::CreatePyramidTopology( const Standard_Integer BasePoints ) |
94 | { |
95 | Handle( MeshVS_HArray1OfSequenceOfInteger ) result; |
96 | |
97 | if( BasePoints>=3 ) |
98 | { |
99 | result = new MeshVS_HArray1OfSequenceOfInteger( 1, BasePoints+1 ); |
100 | |
101 | for( Standard_Integer i=1; i<=BasePoints; i++ ) |
102 | { |
103 | result->ChangeValue( 1 ).Prepend( i ); |
104 | result->ChangeValue( 1+i ).Append( 0 ); |
105 | result->ChangeValue( 1+i ).Append( i ); |
106 | result->ChangeValue( 1+i ).Append( i%BasePoints + 1 ); |
107 | } |
108 | } |
109 | |
110 | return result; |
111 | } |