src/GEOMImpl/GEOMImpl_Block6Explorer.hxx

   1 //  File   : GEOMImpl_Block6Explorer.hxx
   2 //  Module : GEOMImpl
   3
   4 #ifndef GEOMImpl_Block6Explorer_HeaderFile
   5 #define GEOMImpl_Block6Explorer_HeaderFile
   6
   7 #include <TopoDS_Shape.hxx>
   8 #include <TopoDS_Wire.hxx>
   9 #include <TopTools_Array1OfShape.hxx>
  10 #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
  11 #include <gp_Trsf.hxx>
  12
  13   //  Class GEOMImpl_Block6Explorer gives easy and fast access to a certain sub-elements of hexahedral solid
  14   //  Each face   can be accessed by its global ID [1-6]
  15   //  Each edge   can be accessed by its global ID [1-12] or by its local NB [1-4] inside certain face
  16   //  Each vertex can be accessed by its global ID [1-8] or  by its local NB [1-4] inside certain face
  17   //  Numeration of the sub-shapes is defined in constructors, see they comments
  18   //
  19   //                  face 2       face 4          |           4 face     2 face                   |
  20   //                       |           /           |            \         |                        |
  21   //                      \|/        |/_           |            _\|      \|/                       |
  22   //                       '         '             |              '       '                        |
  23   //                    8_______7__7               |               7__7_______8                    |
  24   //                   /|         /|               |               |\         |\                   |
  25   //                  8 12       6 11              |              11 6       12 8                  |
  26   //                 /  |       /  |               |               |  \       |  \                 |
  27   //               5/______5__6/   |               |               |   \6__5______\5               |
  28   //  face 5 --->  |    |     |    |  <--- 6 face  |  face 6 --->  |    |     |    |  <--- 5 face  |
  29   //               |    |__3__|____|               |               |____|__3__|    |               |
  30   //               |   /4     |   /3               |               3\   |     4\   |               |
  31   //               |  /       |  /                 |                 \  |       \  |               |
  32   //               9 4       10 2                  |                  2 10       4 9               |
  33   //               |/__1______|/                   |                   \|______1__\|               |
  34   //               1          2                    |                    2          1               |
  35   //            _.        .                        |                        .       ._             |
  36   //            /|       /|\                       |                       /|\      |\             |
  37   //           /          |                        |                        |         \            |
  38   //          3 face      1 face                   |                   face 1     face 3           |
  39   //                                               |                                               |
  40   //  Picture 1 (right orientation)                |  Picture 2 (left orientation)                 |
  41   //                                                                                               |
  42   //  For the moment, the orientation of numbering is not controlled
  43
  44   // Faces: 1 - bottom, 2 - top, 3 - front, 4 - back, 5 - left (right), 6 - right (left)
  45
  46   //
  47   //                             4_______3__3         2 ______2__3
  48   //                            /          /          |          |
  49   //                           4          2           1          3
  50   //                          /          /            |          |
  51   //                        1/______1__2/             |          |
  52   //                                                  |          |
  53   //                                                  | __4______|
  54   //                           face 2       face 4    1          4
  55   //                                |           /
  56   //                               \|/        |/_
  57   //                                '         '
  58   //        3                    8_______7__7                    3
  59   //       /|                   /|         /|                   /|
  60   //      3 2                  8 12       6 11                 3 2
  61   //     /  |                 /  |       /  |                 /  |
  62   //   4/   |               5/______5__6/   |               4/   |
  63   //   |    |  face 5 --->  |    |     |    |  <--- 6 face  |    |
  64   //   |    |               |    |__3__|____|               |    |
  65   //   |   /2               |   /4     |   /3               |   /2
  66   //   |  /                 |  /       |  /                 |  /
  67   //   4 1                  9 4       10 2                  4 1
  68   //   |/                   |/__1______|/                   |/
  69   //   1                    1          2                    1
  70   //                     _.        .
  71   //                     /|       /|\
  72   //                    /          |
  73   //   2 ______2__3    3 face      1 face
  74   //   |          |
  75   //   |          |               __3_______
  76   //   |          |             /4         /3
  77   //   |          |            /          /
  78   //   1          3           4          2
  79   //   | __4______|          /__1______ /
  80   //   1          4         1          2
  81   //
  82   //  Picture 3 (On periferal pictures the local
  83   //  numeration of edges and vertices is shown)
  84
  85 class GEOMImpl_Block6Explorer
  86 {
  87  public:
  88   // ---------- PUBLIC METHODS ----------
  89
  90   GEOMImpl_Block6Explorer ();
  91   // Constructor.
  92
  93   // Initialization by existing solid,
  94   // sub-elements regulate numeration
  95
  96   void InitByBlock (const TopoDS_Shape& theBlock);
  97   // Init by hexahedral solid. First face, edge and vertex is defined randomly
  98
  99   void InitByBlockAndFace (const TopoDS_Shape& theBlock,
 100                            const TopoDS_Shape& theFace);
 101   // Constructor from hexahedral solid, making theFace the first face.
 102   // First edge and vertex is defined randomly from theFace entities
 103
 104   void InitByBlockAndEdges (const TopoDS_Shape& theBlock,
 105                             const TopoDS_Shape& theEdge1,
 106                             const TopoDS_Shape& theEdge2);
 107   // Init by hexahedral solid, making theEdge1 the first, theEdge2 the fird.
 108   // First vertex is defined randomly from theEdge1 vertices
 109   // (Picture 1 and Picture 2 shows two possible cases)
 110
 111   void InitByBlockAndVertices (const TopoDS_Shape& theBlock,
 112                                const TopoDS_Shape& theVertex1,
 113                                const TopoDS_Shape& theVertex2,
 114                                const TopoDS_Shape& theVertex3);
 115   // Init by hexahedral solid, making theVertex1 the first,
 116   // theVertex2 the second and theVertex3 the fird vertices.
 117
 118   // Initialization by parts of solid to be built
 119
 120   void InitByTwoFaces (const TopoDS_Shape& theFace1,
 121                        const TopoDS_Shape& theFace2);
 122   // Init by two faces. TheFace1 will be the first,
 123   // theFace2 will be the second.
 124   // First edge and vertex is defined randomly from theFace1 entities.
 125
 126   // Access to vertices
 127   TopoDS_Shape GetVertex (const Standard_Integer theVertexID); // [1-8]
 128
 129   Standard_Integer GetVertexID (const TopoDS_Shape& theVertex);
 130
 131   Standard_Integer GetVertexID (const Standard_Integer theFaceID, // [1-6]
 132                                 const Standard_Integer theVertexNB); // [1-4]
 133
 134   Standard_Integer GetVertexOnEdgeID (const Standard_Integer theEdgeID, // [1-12]
 135                                       const Standard_Integer theVertexNB); // [1-2]
 136
 137   // Access to edges
 138   TopoDS_Shape GetEdge (const Standard_Integer theEdgeID, // [1-12]
 139                         const Standard_Boolean doMake = Standard_False);
 140
 141   Standard_Integer GetEdgeID (const TopoDS_Shape& theEdge);
 142
 143   Standard_Integer GetEdgeID (const Standard_Integer theFaceID, // [1-6]
 144                               const Standard_Integer theEdgeNB); // [1-4]
 145
 146   Standard_Integer FindEdgeID (const Standard_Integer theVertex1ID,
 147                                const Standard_Integer theVertex2ID);
 148
 149   Standard_Integer FindCommonEdgeID (const Standard_Integer theFace1ID,
 150                                      const Standard_Integer theFace2ID);
 151
 152   // Access to faces
 153   TopoDS_Shape GetFace (const Standard_Integer theFaceID, // [1-6]
 154                         const Standard_Boolean doMake = Standard_False);
 155
 156   Standard_Integer GetFaceID (const TopoDS_Shape& theFace);
 157
 158   Standard_Integer FindFaceID (const Standard_Integer theEdge1ID,
 159                                const Standard_Integer theEdge2ID);
 160
 161   Standard_Integer GetOppositeFaceID (const Standard_Integer theFaceID);
 162
 163   // Check Block
 164   Standard_Boolean IsSimilarFaces (const Standard_Integer theFace1ID,
 165                                    const Standard_Integer theFace2ID,
 166                                    const gp_Trsf          theTransformation);
 167   // returns true, if theFace1, transformed
 168   // by theTransformation, coincides with theFace2
 169  public:
 170   // ---------- STATIC PUBLIC METHODS ----------
 171   static void MapShapesAndAncestors (const TopoDS_Shape& S,
 172                                      const TopAbs_ShapeEnum TS,
 173                                      const TopAbs_ShapeEnum TA,
 174                                      TopTools_IndexedDataMapOfShapeListOfShape& M);
 175
 176   static Standard_Boolean IsSimilarEdges (const TopoDS_Shape& E1,
 177                                           const TopoDS_Shape& E2);
 178
 179   static Standard_Integer FindEdge (TopoDS_Shape&       theResult,
 180                                     const TopoDS_Shape& V1,
 181                                     const TopoDS_Shape& V2,
 182                                     const TopTools_IndexedDataMapOfShapeListOfShape& MVE,
 183                                     const Standard_Boolean findAll = Standard_False);
 184   // returns number of found edges
 185
 186   static Standard_Integer FindFace (TopoDS_Shape&       theResult,
 187                                     const TopoDS_Shape& V1,
 188                                     const TopoDS_Shape& V2,
 189                                     const TopoDS_Shape& V3,
 190                                     const TopoDS_Shape& V4,
 191                                     const TopTools_IndexedDataMapOfShapeListOfShape& MVF,
 192                                     const Standard_Boolean findAll = Standard_False);
 193   // returns number of found faces
 194
 195   static void MakeFace (const TopoDS_Wire&     theWire,
 196                         const Standard_Boolean isPlanarWanted,
 197                         TopoDS_Shape&          theResult);
 198
 199  private:
 200   // ---------- PRIVATE FIELDS ----------
 201
 202   TopTools_Array1OfShape myFaces;
 203   TopTools_Array1OfShape myEdges;
 204   TopTools_Array1OfShape myVertices;
 205 };
 206
 207 #endif