src/GEOMImpl/GEOMImpl_Block6Explorer.hxx

   1 // Copyright (C) 2007-2016  CEA/DEN, EDF R&D, OPEN CASCADE
   2 //
   3 // Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
   4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
   5 //
   6 // This library is free software; you can redistribute it and/or
   7 // modify it under the terms of the GNU Lesser General Public
   8 // License as published by the Free Software Foundation; either
   9 // version 2.1 of the License, or (at your option) any later version.
  10 //
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 // Lesser General Public License for more details.
  15 //
  16 // You should have received a copy of the GNU Lesser General Public
  17 // License along with this library; if not, write to the Free Software
  18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  19 //
  20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  21 //
  22
  23 //  File   : GEOMImpl_Block6Explorer.hxx
  24 //  Module : GEOMImpl
  25
  26 #ifndef GEOMImpl_Block6Explorer_HeaderFile
  27 #define GEOMImpl_Block6Explorer_HeaderFile
  28
  29 #include <TopoDS_Shape.hxx>
  30 #include <TopoDS_Wire.hxx>
  31 #include <TopTools_Array1OfShape.hxx>
  32 #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
  33 #include <TCollection_AsciiString.hxx>
  34 #include <gp_Trsf.hxx>
  35
  36   //  Class GEOMImpl_Block6Explorer gives easy and fast access to a certain sub-elements of hexahedral solid
  37   //  Each face   can be accessed by its global ID [1-6]
  38   //  Each edge   can be accessed by its global ID [1-12] or by its local NB [1-4] inside certain face
  39   //  Each vertex can be accessed by its global ID [1-8] or  by its local NB [1-4] inside certain face
  40   //  Numeration of the sub-shapes is defined in constructors, see they comments
  41   //
  42   //                  face 2       face 4          |           4 face     2 face                   |
  43   //                       |           /           |            \         |                        |
  44   //                      \|/        |/_           |            _\|      \|/                       |
  45   //                       '         '             |              '       '                        |
  46   //                    8_______7__7               |               7__7_______8                    |
  47   //                   /|         /|               |               |\         |\                   |
  48   //                  8 12       6 11              |              11 6       12 8                  |
  49   //                 /  |       /  |               |               |  \       |  \                 |
  50   //               5/______5__6/   |               |               |   \6__5______\5               |
  51   //  face 5 --->  |    |     |    |  <--- 6 face  |  face 6 --->  |    |     |    |  <--- 5 face  |
  52   //               |    |__3__|____|               |               |____|__3__|    |               |
  53   //               |   /4     |   /3               |               3\   |     4\   |               |
  54   //               |  /       |  /                 |                 \  |       \  |               |
  55   //               9 4       10 2                  |                  2 10       4 9               |
  56   //               |/__1______|/                   |                   \|______1__\|               |
  57   //               1          2                    |                    2          1               |
  58   //            _.        .                        |                        .       ._             |
  59   //            /|       /|\                       |                       /|\      |\             |
  60   //           /          |                        |                        |         \            |
  61   //          3 face      1 face                   |                   face 1     face 3           |
  62   //                                               |                                               |
  63   //  Picture 1 (right orientation)                |  Picture 2 (left orientation)                 |
  64   //                                                                                               |
  65   //  For the moment, the orientation of numbering is not controlled
  66
  67   // Faces: 1 - bottom, 2 - top, 3 - front, 4 - back, 5 - left (right), 6 - right (left)
  68
  69   //
  70   //                             4_______3__3         2 ______2__3
  71   //                            /          /          |          |
  72   //                           4          2           1          3
  73   //                          /          /            |          |
  74   //                        1/______1__2/             |          |
  75   //                                                  |          |
  76   //                                                  | __4______|
  77   //                           face 2       face 4    1          4
  78   //                                |           /
  79   //                               \|/        |/_
  80   //                                '         '
  81   //        3                    8_______7__7                    3
  82   //       /|                   /|         /|                   /|
  83   //      3 2                  8 12       6 11                 3 2
  84   //     /  |                 /  |       /  |                 /  |
  85   //   4/   |               5/______5__6/   |               4/   |
  86   //   |    |  face 5 --->  |    |     |    |  <--- 6 face  |    |
  87   //   |    |               |    |__3__|____|               |    |
  88   //   |   /2               |   /4     |   /3               |   /2
  89   //   |  /                 |  /       |  /                 |  /
  90   //   4 1                  9 4       10 2                  4 1
  91   //   |/                   |/__1______|/                   |/
  92   //   1                    1          2                    1
  93   //                     _.        .
  94   //                     /|       /|\
  95   //                    /          |
  96   //   2 ______2__3    3 face      1 face
  97   //   |          |
  98   //   |          |               __3_______
  99   //   |          |             /4         /3
 100   //   |          |            /          /
 101   //   1          3           4          2
 102   //   | __4______|          /__1______ /
 103   //   1          4         1          2
 104   //
 105   //  Picture 3 (On periferal pictures the local
 106   //  numeration of edges and vertices is shown)
 107
 108 class GEOMImpl_Block6Explorer
 109 {
 110  public:
 111   // ---------- PUBLIC METHODS ----------
 112
 113   GEOMImpl_Block6Explorer ();
 114   // Constructor.
 115
 116   // Initialization by existing solid,
 117   // sub-elements regulate numeration
 118
 119   void InitByBlock (const TopoDS_Shape& theBlock);
 120   // Init by hexahedral solid. First face, edge and vertex is defined randomly
 121
 122   void InitByBlockAndFace (const TopoDS_Shape& theBlock,
 123                            const TopoDS_Shape& theFace);
 124   // Constructor from hexahedral solid, making theFace the first face.
 125   // First edge and vertex is defined randomly from theFace entities
 126
 127   void InitByBlockAndEdges (const TopoDS_Shape& theBlock,
 128                             const TopoDS_Shape& theEdge1,
 129                             const TopoDS_Shape& theEdge2);
 130   // Init by hexahedral solid, making theEdge1 the first, theEdge2 the fird.
 131   // First vertex is defined randomly from theEdge1 vertices
 132   // (Picture 1 and Picture 2 shows two possible cases)
 133
 134   void InitByBlockAndVertices (const TopoDS_Shape& theBlock,
 135                                const TopoDS_Shape& theVertex1,
 136                                const TopoDS_Shape& theVertex2,
 137                                const TopoDS_Shape& theVertex3);
 138   // Init by hexahedral solid, making theVertex1 the first,
 139   // theVertex2 the second and theVertex3 the fird vertices.
 140
 141   // Initialization by parts of solid to be built
 142
 143   void InitByTwoFaces (const TopoDS_Shape& theFace1,
 144                        const TopoDS_Shape& theFace2);
 145   // Init by two faces. TheFace1 will be the first,
 146   // theFace2 will be the second.
 147   // First edge and vertex is defined randomly from theFace1 entities.
 148
 149   // Access to vertices
 150   TopoDS_Shape GetVertex (const Standard_Integer theVertexID); // [1-8]
 151
 152   Standard_Integer GetVertexID (const TopoDS_Shape& theVertex);
 153
 154   Standard_Integer GetVertexID (const Standard_Integer theFaceID, // [1-6]
 155                                 const Standard_Integer theVertexNB); // [1-4]
 156
 157   Standard_Integer GetVertexOnEdgeID (const Standard_Integer theEdgeID, // [1-12]
 158                                       const Standard_Integer theVertexNB); // [1-2]
 159
 160   // Access to edges
 161   TopoDS_Shape GetEdge (const Standard_Integer theEdgeID, // [1-12]
 162                         const Standard_Boolean doMake = Standard_False);
 163
 164   Standard_Integer GetEdgeID (const TopoDS_Shape& theEdge);
 165
 166   Standard_Integer GetEdgeID (const Standard_Integer theFaceID, // [1-6]
 167                               const Standard_Integer theEdgeNB); // [1-4]
 168
 169   Standard_Integer FindEdgeID (const Standard_Integer theVertex1ID,
 170                                const Standard_Integer theVertex2ID);
 171
 172   Standard_Integer FindCommonEdgeID (const Standard_Integer theFace1ID,
 173                                      const Standard_Integer theFace2ID);
 174
 175   // Access to faces
 176   TopoDS_Shape GetFace (const Standard_Integer theFaceID, // [1-6]
 177                         const Standard_Boolean doMake = Standard_False);
 178
 179   Standard_Integer GetFaceID (const TopoDS_Shape& theFace);
 180
 181   Standard_Integer FindFaceID (const Standard_Integer theEdge1ID,
 182                                const Standard_Integer theEdge2ID);
 183
 184   Standard_Integer GetOppositeFaceID (const Standard_Integer theFaceID);
 185
 186   // Check Block
 187   Standard_Boolean IsSimilarFaces (const Standard_Integer theFace1ID,
 188                                    const Standard_Integer theFace2ID,
 189                                    const gp_Trsf          theTransformation);
 190   // returns true, if theFace1, transformed
 191   // by theTransformation, coincides with theFace2
 192  public:
 193   // ---------- STATIC PUBLIC METHODS ----------
 194   static void MapShapesAndAncestors (const TopoDS_Shape& S,
 195                                      const TopAbs_ShapeEnum TS,
 196                                      const TopAbs_ShapeEnum TA,
 197                                      TopTools_IndexedDataMapOfShapeListOfShape& M);
 198
 199   static Standard_Boolean IsSimilarEdges (const TopoDS_Shape& E1,
 200                                           const TopoDS_Shape& E2);
 201
 202   static Standard_Integer FindEdge (TopoDS_Shape&       theResult,
 203                                     const TopoDS_Shape& V1,
 204                                     const TopoDS_Shape& V2,
 205                                     const TopTools_IndexedDataMapOfShapeListOfShape& MVE,
 206                                     const Standard_Boolean findAll = Standard_False);
 207   // returns number of found edges
 208
 209   static Standard_Integer FindFace (TopoDS_Shape&       theResult,
 210                                     const TopoDS_Shape& V1,
 211                                     const TopoDS_Shape& V2,
 212                                     const TopoDS_Shape& V3,
 213                                     const TopoDS_Shape& V4,
 214                                     const TopTools_IndexedDataMapOfShapeListOfShape& MVF,
 215                                     const Standard_Boolean findAll = Standard_False);
 216   // returns number of found faces
 217
 218   /*!
 219    * Build a face, bound by the given wire.
 220    * \param theWire The initial wire to build the face on.
 221    * \param isPlanarWanted If true, try to build a planar face.
 222    * \note If isPlanarWanted is true, but planar face cannot be built
 223    *       with acceptable tolerance, any face will be built.
 224    * \param theResult The resulting shape.
 225    * \return Error or warning description. Empty string in case of success.
 226    */
 227   static TCollection_AsciiString MakeFace (const TopoDS_Wire&     theWire,
 228                                            const Standard_Boolean isPlanarWanted,
 229                                            TopoDS_Shape&          theResult);
 230
 231   /*!
 232    * Build a face, bound by the given wire.
 233    * \param theWire The initial wire to build the face on.
 234    * \param theResult The resulting shape.
 235    * \return Error or warning description. Empty string in case of success.
 236    */
 237   static TCollection_AsciiString MakeAnyFace (const TopoDS_Wire& theWire,
 238                                               TopoDS_Shape&      theResult);
 239
 240  private:
 241   // ---------- PRIVATE FIELDS ----------
 242
 243   TopTools_Array1OfShape myFaces;
 244   TopTools_Array1OfShape myEdges;
 245   TopTools_Array1OfShape myVertices;
 246 };
 247
 248 #endif