doc/salome/gui/GEOM/newentity_blocks.htm

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 139 </script>\r
 140 <h1>Building by blocks</h1>\r
 141 \r
 142 <p class="whs1"><span style="font-size: 14pt; font-weight: bold;"><font size=4 style="font-size:14pt;"><B>Introduction.</B></font></span></p>\r
 143 \r
 144 <p>&nbsp;</p>\r
 145 \r
 146 <p>Below are some general notions about blocks:</p>\r
 147 \r
 148 <p>&nbsp;</p>\r
 149 \r
 150 <p><span style="font-size: 12pt;"><font size=3 style="font-size:12pt;"><b style="font-weight: bold;"><img src="i_blue.jpg" x-maintain-ratio="TRUE" x-save-file="TRUE" x-save-method="compute-relative" width="30px" height="30px" border="0" class="img_whs2"></b></font></span>A block is a an elementary geometric solid that \r
 151  has specific geometric constraints oriented for meshing. In the hexahedral \r
 152  case, blocks have 6 faces and each face has 4 edges. &nbsp;</p>\r
 153 \r
 154 <p>&nbsp;</p>\r
 155 \r
 156 <p>Tetrahedral Block - is a block with constraints for tetrahedral meshing. \r
 157  </p>\r
 158 \r
 159 <p>&nbsp;</p>\r
 160 \r
 161 <p>Hexahedral Block - is a block with constraints for hexahedral meshing.</p>\r
 162 \r
 163 <p>&nbsp;</p>\r
 164 \r
 165 <p>Block Compound - is a compound composed of blocks only.</p>\r
 166 \r
 167 <p>&nbsp;</p>\r
 168 \r
 169 <p>To build a compound the user may take the following steps:</p>\r
 170 \r
 171 <p>&nbsp;</p>\r
 172 \r
 173 <ul type="disc" class="whs3">\r
 174         \r
 175         <li class=kadov-p><p><a href="#QuadrangleFace">Quadrangle face</a></p></li>\r
 176         \r
 177         <li class=kadov-p><p><a href="#HexahedralSolid">Hexahedral solid</a></p></li>\r
 178 </ul>\r
 179 \r
 180 <p>&nbsp;</p>\r
 181 \r
 182 <p>&nbsp;</p>\r
 183 \r
 184 <p><a name=QuadrangleFace><img src="image29.gif" width="23px" height="22px" border="0" class="img_whs4"><span style="font-size: 14pt; font-weight: bold;"><font size=4 style="font-size:14pt;"><B>Quadrangle \r
 185  face</B></font></span></a></p>\r
 186 \r
 187 <p>&nbsp;</p>\r
 188 \r
 189 <p class="whs5"><span style="font-size: 12pt;"><font size=3 style="font-size:12pt;"><b style="font-weight: bold;">Description:</b> \r
 190  Builds a face using the below mentioned arguments. This operation allows \r
 191  to build a face bypassing the intermediate stage of building edges and \r
 192  wires (in the case of building by 4 points) or wires (in the case of building \r
 193  by 4 or 2 edges).</font></span></p>\r
 194 \r
 195 <p class="whs5">&nbsp;</p>\r
 196 \r
 197 <p class="whs5"><b style="font-weight: bold;">Result :</b> \r
 198  GEOM_Object.</p>\r
 199 \r
 200 <p class="whs5">&nbsp;</p>\r
 201 \r
 202 <p class="whs5"><b style="font-weight: bold;">TUI Command:</b></p>\r
 203 \r
 204 <ul type="disc" class="whs3">\r
 205         \r
 206         <li class=kadov-p><p class="whs6"><b style="font-weight: normal;">geompy.MakeQuadFaceVertices(V1, \r
 207  V2, V3, V4), <span style="font-style: normal;">where V1, V2, V3, V4 are \r
 208  four vertices from which a face is constructed. Edges are created automatically.</span></b></p></li>\r
 209         \r
 210         <li class=kadov-p><p class="whs5"><span style="font-style: italic;"><I>geompy.MakeQuadFaceEdges(E1, \r
 211  E2)</I></span>, where E1, E2 are edges from which the face is constructed, \r
 212  two other edges are created automatically.</p></li>\r
 213         \r
 214         <li class=kadov-p><p class="whs5"><b style="font-weight: normal;"><span \r
 215  style="font-style: italic;"><I>g</b>eompy.MakeQuadFace(E1, E2, E3, E4)</I></span>, \r
 216  where E1, E2, E3, E4 are four edges from which the face is constructed.</p></li>\r
 217 </ul>\r
 218 \r
 219 <p class="whs5">&nbsp;</p>\r
 220 \r
 221 <p class="whs5"><b style="font-weight: bold;">Arguments:</b> \r
 222  </p>\r
 223 \r
 224 <ul type="disc" class="whs3">\r
 225         \r
 226         <li class=kadov-p><p class="whs5">4 Points, or</p></li>\r
 227         \r
 228         <li class=kadov-p><p class="whs5">2 Edges, or </p></li>\r
 229         \r
 230         <li class=kadov-p><p class="whs5">4 Edges.</p></li>\r
 231 </ul>\r
 232 \r
 233 <p class="whs5">&nbsp;</p>\r
 234 \r
 235 <p class="whs5"><b style="font-weight: bold;">Dialog Box:</b></p>\r
 236 \r
 237 <!--(Table)=========================================================-->\r
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 241 <col class="whs9">\r
 242 \r
 243 <tr valign="top" class="whs10">\r
 244 <td width="29.973%" class="whs11">\r
 245 <p><img src="image182.jpg" width="200px" height="250px" border="0" class="img_whs12"></td>\r
 246 <td width="29.973%" class="whs13">\r
 247 <p><img src="image183.jpg" width="200px" height="250px" border="0" class="img_whs12"></td>\r
 248 <td width="33.333%" class="whs14">\r
 249 <p><img src="image184.jpg" width="200px" height="264px" border="0" class="img_whs15"></td></tr>\r
 250 </table>\r
 251 \r
 252 <p class="whs5">&nbsp;</p>\r
 253 \r
 254 <p>&nbsp;</p>\r
 255 \r
 256 <p class="whs16">Example:</p>\r
 257 \r
 258 <p class="whs16">&nbsp;</p>\r
 259 \r
 260 <p><img src="image185.jpg" width="250px" height="195px" border="0" class="img_whs17"> </p>\r
 261 \r
 262 <p>&nbsp;</p>\r
 263 \r
 264 <p>&nbsp;</p>\r
 265 \r
 266 <p><a name=HexahedralSolid><img src="image51.gif" width="24px" height="22px" border="0" class="img_whs18"> <span style="font-size: 14pt; font-weight: bold;"><font size=4 style="font-size:14pt;"><B>Hexahedral \r
 267  solid</B></font></span></a></p>\r
 268 \r
 269 <p>&nbsp;</p>\r
 270 \r
 271 <p class="whs5"><b style="font-weight: bold;">Description:</b> \r
 272  Builds a hexahedral solid either of the below mentioned arguments. This \r
 273  operation allows to build a solid bypassing the intermediate stage of \r
 274  building a shell and 4 faces (in the case of building by 2 faces) or just \r
 275  a shell (in the case of building by 6 faces).</p>\r
 276 \r
 277 <p class="whs5">&nbsp;</p>\r
 278 \r
 279 <p class="whs5"><b style="font-weight: bold;">Result :</b> \r
 280  GEOM_Object.</p>\r
 281 \r
 282 <p class="whs5">&nbsp;</p>\r
 283 \r
 284 <p class="whs5"><b style="font-weight: bold;">TUI Command:</b></p>\r
 285 \r
 286 <ul type="disc" class="whs3">\r
 287         \r
 288         <li class=kadov-p><p class="whs5"><span style="font-style: italic;"><I>geompy.MakeHexaSolid(F1, \r
 289  F2, F3, F4, F5, F6)</I></span>, where F1 \96 F6 are six faces from which the \r
 290  hexahedron is constructed.</p></li>\r
 291         \r
 292         <li class=kadov-p><p class="whs5"><span style="font-style: italic;"><I>geompy.MakeHexaSolidTwoFaces(F1, \r
 293  F2)</I></span>, where F1 and F2 are faces from which the hexahedron is constructed, \r
 294  other four faces are created automatically.</p></li>\r
 295 </ul>\r
 296 \r
 297 <p class="whs5">&nbsp;</p>\r
 298 \r
 299 <p class="whs5"><b style="font-weight: bold;">Arguments:</b> \r
 300  </p>\r
 301 \r
 302 <ul type="disc" class="whs3">\r
 303         \r
 304         <li class=kadov-p><p class="whs5">2 Faces, or </p></li>\r
 305         \r
 306         <li class=kadov-p><p class="whs5">6 Faces.</p></li>\r
 307 </ul>\r
 308 \r
 309 <p class="whs5">&nbsp;</p>\r
 310 \r
 311 <p class="whs5"><b style="font-weight: bold;">Dialog Box:</b></p>\r
 312 \r
 313 <p class="whs5">&nbsp;</p>\r
 314 \r
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 325 </table>\r
 326 \r
 327 <p class="whs5">&nbsp;</p>\r
 328 \r
 329 <p class="whs26">Example:</p>\r
 330 \r
 331 <p class="whs26">&nbsp;</p>\r
 332 \r
 333 <p class="whs27"><img src="image180.jpg" x-maintain-ratio="TRUE" width="300px" height="234px" border="0" class="img_whs28"> &nbsp;&nbsp;&nbsp;<img src="image181.jpg" width="251px" height="234px" border="0" class="img_whs29"> &nbsp;</p>\r
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