doc/salome/gui/SMESH/constructing_meshes.htm

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  90 <h1>Creating Meshes</h1>
  91
  92 <h3><a name=bookmark>Construction of a Mesh</a></h3>
  93
  94 <p class="whs1">import salome</p>
  95
  96 <p class="whs1">import geompy</p>
  97
  98 <p class="whs1">import StdMeshers</p>
  99
 100 <p class="whs1">smesh = salome.lcc.FindOrLoadComponent(&quot;FactoryServer&quot;,
 101  &quot;SMESH&quot;)</p>
 102
 103 <p class="whs1">smeshgui = salome.ImportComponentGUI(&quot;SMESH&quot;)</p>
 104
 105 <p class="whs1">smeshgui.Init(salome.myStudyId);</p>
 106
 107 <p class="whs2">&nbsp;</p>
 108
 109 <p class="whs2"># create a box</p>
 110
 111 <p class="whs1">box = geompy.MakeBox(0.,
 112  0., 0., 100., 200., 300.)</p>
 113
 114 <p class="whs2">&nbsp;</p>
 115
 116 <p class="whs2"># add box to the study</p>
 117
 118 <p class="whs1">idbox = geompy.addToStudy(box,
 119  &quot;box&quot;)</p>
 120
 121 <p class="whs2">&nbsp;</p>
 122
 123 <p class="whs2"># create a hypothesis</p>
 124
 125 <p class="whs1">print &quot;--------------------------
 126  create Hypothesis&quot;</p>
 127
 128 <p class="whs1">print &quot;--------------------------
 129  NumberOfSegments&quot;</p>
 130
 131 <p class="whs1">numberOfSegments
 132  = 7</p>
 133
 134 <p class="whs1">hypNbSeg = smesh.CreateHypothesis(&quot;NumberOfSegments&quot;,
 135  &quot;libStdMeshersEngine.so&quot;)</p>
 136
 137 <p class="whs1">hypNbSeg.SetNumberOfSegments(numberOfSegments)</p>
 138
 139 <p class="whs1">print hypNbSeg.GetName()</p>
 140
 141 <p class="whs1">print hypNbSeg.GetId()</p>
 142
 143 <p class="whs1">print hypNbSeg.GetNumberOfSegments()</p>
 144
 145 <p class="whs1">smeshgui.SetName(salome.ObjectToID(hypNbSeg),
 146  &quot;NumberOfSegments_10&quot;)</p>
 147
 148 <p class="whs1">print &quot;--------------------------
 149  MaxElementArea&quot;</p>
 150
 151 <p class="whs1">maxElementArea =
 152  800</p>
 153
 154 <p class="whs1">hypArea = smesh.CreateHypothesis(&quot;MaxElementArea&quot;,
 155  &quot;libStdMeshersEngine.so&quot;)</p>
 156
 157 <p class="whs1">hypArea.SetMaxElementArea(maxElementArea)</p>
 158
 159 <p class="whs1">print hypArea.GetName()</p>
 160
 161 <p class="whs1">print hypArea.GetId()</p>
 162
 163 <p class="whs1">print hypArea.GetMaxElementArea()</p>
 164
 165 <p class="whs1">smeshgui.SetName(salome.ObjectToID(hypArea),
 166  &quot;MaxElementArea_500&quot;)</p>
 167
 168 <p class="whs1">print &quot;--------------------------
 169  MaxElementVolume&quot;</p>
 170
 171 <p class="whs1">maxElementVolume
 172  = 900</p>
 173
 174 <p class="whs1">hypVolume = smesh.CreateHypothesis(&quot;MaxElementVolume&quot;,
 175  &quot;libStdMeshersEngine.so&quot;)</p>
 176
 177 <p class="whs1">hypVolume.SetMaxElementVolume(maxElementVolume)</p>
 178
 179 <p class="whs1">print hypVolume.GetName()</p>
 180
 181 <p class="whs1">print hypVolume.GetId()</p>
 182
 183 <p class="whs1">print hypVolume.GetMaxElementVolume()</p>
 184
 185 <p class="whs1">smeshgui.SetName(salome.ObjectToID(hypVolume),
 186  &quot;MaxElementVolume_500&quot;)</p>
 187
 188 <p class="whs2">&nbsp;</p>
 189
 190 <p class="whs2"># create algorithms</p>
 191
 192 <p class="whs1">print &quot;--------------------------
 193  create Algorithms&quot;</p>
 194
 195 <p class="whs1">print &quot;--------------------------
 196  Regular_1D&quot;</p>
 197
 198 <p class="whs1">regular1D = smesh.CreateHypothesis(&quot;Regular_1D&quot;,
 199  &quot;libStdMeshersEngine.so&quot;)</p>
 200
 201 <p class="whs1">smeshgui.SetName(salome.ObjectToID(regular1D),
 202  &quot;Wire Discretisation&quot;)</p>
 203
 204 <p class="whs1">print &quot;--------------------------
 205  MEFISTO_2D&quot;</p>
 206
 207 <p class="whs1">mefisto2D = smesh.CreateHypothesis(&quot;MEFISTO_2D&quot;,
 208  &quot;libStdMeshersEngine.so&quot;)</p>
 209
 210 <p class="whs1">smeshgui.SetName(salome.ObjectToID(mefisto2D),
 211  &quot;MEFISTO_2D&quot;)</p>
 212
 213 <p class="whs2">&nbsp;</p>
 214
 215 <p class="whs2"># initialize a mesh with
 216  the box</p>
 217
 218 <p class="whs1">mesh = smesh.CreateMesh(box)</p>
 219
 220 <p class="whs1">smeshgui.SetName(salome.ObjectToID(mesh),
 221  &quot;MeshBox&quot;)</p>
 222
 223 <p class="whs2">&nbsp;</p>
 224
 225 <p class="whs2"># add the hypothesis to
 226  the box</p>
 227
 228 <p class="whs1">print &quot;--------------------------
 229  add hypothesis to the box&quot;</p>
 230
 231 <p class="whs1">mesh.AddHypothesis(box,hypNbSeg)</p>
 232
 233 <p class="whs1">mesh.AddHypothesis(box,hypArea)</p>
 234
 235 <p class="whs1">mesh.AddHypothesis(box,hypVolume)</p>
 236
 237 <p class="whs1">mesh.AddHypothesis(box,regular1D)</p>
 238
 239 <p class="whs1">mesh.AddHypothesis(box,mefisto2D)</p>
 240
 241 <p class="whs2">&nbsp;</p>
 242
 243 <p class="whs2"># compute the mesh</p>
 244
 245 <p class="whs1">print &quot;--------------------------
 246  compute the mesh of the box&quot;</p>
 247
 248 <p class="whs1">ret = smesh.Compute(mesh,box)</p>
 249
 250 <p class="whs1">print ret</p>
 251
 252 <p class="whs1">if ret == 0:</p>
 253
 254 <p class="whs1">&nbsp;&nbsp;&nbsp;&nbsp;print
 255  &quot;probleme when computing the mesh&quot;</p>
 256
 257 <p class="whs1">salome.sg.updateObjBrowser(1)</p>
 258
 259 <p class="whs1">&nbsp;</p>
 260
 261 <h3><a name=bookmark1>Construction of a Submesh</a></h3>
 262
 263 <p class="whs3">&nbsp;</p>
 264
 265 <p class="whs3"><span style="font-family: 'Lucida Console', monospace;">from
 266  geompy import *</span></p>
 267
 268 <p class="whs3">import smesh</p>
 269
 270 <p class="whs4">&nbsp;</p>
 271
 272 <p class="whs4"># create vertices</p>
 273
 274 <p class="whs3">Point111 = MakeVertex( 0, &nbsp;0,
 275  &nbsp;0)</p>
 276
 277 <p class="whs3">Point211 = MakeVertex(10, &nbsp;0,
 278  &nbsp;0)</p>
 279
 280 <p class="whs3">Point121 = MakeVertex( 0, 10, &nbsp;0)</p>
 281
 282 <p class="whs3">Point221 = MakeVertex(10, 10, &nbsp;0)</p>
 283
 284 <p class="whs3">Point112 = MakeVertex( 0, &nbsp;0,
 285  10)</p>
 286
 287 <p class="whs3">Point212 = MakeVertex(10, &nbsp;0,
 288  10)</p>
 289
 290 <p class="whs3">Point122 = MakeVertex( 0, 10, 10)</p>
 291
 292 <p class="whs3">Point222 = MakeVertex(10, 10, 10)</p>
 293
 294 <p class="whs4">&nbsp;</p>
 295
 296 <p class="whs4"># create edges</p>
 297
 298 <p class="whs3">EdgeX111 = MakeEdge(Point111, Point211)</p>
 299
 300 <p class="whs3">EdgeX121 = MakeEdge(Point121, Point221)</p>
 301
 302 <p class="whs3">EdgeX112 = MakeEdge(Point112, Point212)</p>
 303
 304 <p class="whs3">EdgeX122 = MakeEdge(Point122, Point222)</p>
 305
 306 <p class="whs3">EdgeY11 = MakeEdge(Point111, Point121)</p>
 307
 308 <p class="whs3">EdgeY21 = MakeEdge(Point211, Point221)</p>
 309
 310 <p class="whs3">EdgeY12 = MakeEdge(Point112, Point122)</p>
 311
 312 <p class="whs3">EdgeY22 = MakeEdge(Point212, Point222)</p>
 313
 314 <p class="whs3">EdgeZ111 = MakeEdge(Point111, Point112)</p>
 315
 316 <p class="whs3">EdgeZ211 = MakeEdge(Point211, Point212)</p>
 317
 318 <p class="whs3">EdgeZ121 = MakeEdge(Point121, Point122)</p>
 319
 320 <p class="whs3">EdgeZ221 = MakeEdge(Point221, Point222)</p>
 321
 322 <p class="whs4">&nbsp;</p>
 323
 324 <p class="whs4"># create faces</p>
 325
 326 <p class="whs3">FaceX11 = MakeQuad(EdgeY11, EdgeZ111,
 327  EdgeY12, EdgeZ121)</p>
 328
 329 <p class="whs3">FaceX21 = MakeQuad(EdgeY21, EdgeZ211,
 330  EdgeY22, EdgeZ221)</p>
 331
 332 <p class="whs3">FaceY111 = MakeQuad(EdgeX111, EdgeZ111,
 333  EdgeX112, EdgeZ211)</p>
 334
 335 <p class="whs3">FaceY121 = MakeQuad(EdgeX121, EdgeZ121,
 336  EdgeX122, EdgeZ221)</p>
 337
 338 <p class="whs3">FaceZ11 = MakeQuad(EdgeX111, EdgeY11,
 339  EdgeX121, EdgeY21)</p>
 340
 341 <p class="whs3">FaceZ12 = MakeQuad(EdgeX112, EdgeY12,
 342  EdgeX122, EdgeY22)</p>
 343
 344 <p class="whs4">&nbsp;</p>
 345
 346 <p class="whs4"># create a solid</p>
 347
 348 <p class="whs3">Block = MakeHexa(FaceX11, FaceX21, FaceY111,
 349  FaceY121, FaceZ11, FaceZ12)</p>
 350
 351 <p class="whs4">&nbsp;</p>
 352
 353 <p class="whs4"># create a compound</p>
 354
 355 <p class="whs3">box = MakeCompound([Block])</p>
 356
 357 <p class="whs4">&nbsp;</p>
 358
 359 <p class="whs4"># add in the study</p>
 360
 361 <p class="whs3">box_id = addToStudy(box, &quot;Box compound&quot;)</p>
 362
 363 <p class="whs4">&nbsp;</p>
 364
 365 <p class="whs4"># create hexahedral mesh
 366  on the box</p>
 367
 368 <p class="whs3">hexa = smesh.Mesh(box, &quot;Box compound
 369  : hexahedrical mesh&quot;)</p>
 370
 371 <p class="whs3">algo = hexa.Segment()</p>
 372
 373 <p class="whs4">&nbsp;</p>
 374
 375 <p class="whs4"># define &quot;NumberOfSegments&quot;
 376  hypothesis to cut the edge in a fixed number of segments</p>
 377
 378 <p class="whs3">algo.NumberOfSegments(4)</p>
 379
 380 <p class="whs4">&nbsp;</p>
 381
 382 <p class="whs4"># creates a quadrangle
 383  2D algorithm for the faces</p>
 384
 385 <p class="whs3">hexa.Quadrangle()</p>
 386
 387 <p class="whs4">&nbsp;</p>
 388
 389 <p class="whs4"># construct a submesh with
 390  a local hypothesis</p>
 391
 392 <p class="whs3">algo = hexa.Segment(EdgeX111)</p>
 393
 394 <p class="whs4">&nbsp;</p>
 395
 396 <p class="whs4"># define &quot;Arithmetic1D&quot;
 397  hypothesis to cut an edge in several segments with increasing arithmetic
 398  length </p>
 399
 400 <p class="whs3">algo.Arithmetic1D(1, 4)</p>
 401
 402 <p class="whs4">&nbsp;</p>
 403
 404 <p class="whs4"># define &quot;Propagation&quot;
 405  hypothesis that propagates all other hypothesis on all edges on the opposite
 406  side in case of quadrangular faces</p>
 407
 408 <p class="whs3">algo.Propagation()</p>
 409
 410 <p class="whs4">&nbsp;</p>
 411
 412 <p class="whs4"># compute the mesh</p>
 413
 414 <p class="whs3">hexa.Compute() </p>
 415
 416 <p class="whs3">&nbsp;</p>
 417
 418 <h3><a name=bookmark2>Editing of a mesh</a></h3>
 419
 420 <p class="whs3">&nbsp;</p>
 421
 422 <p class="whs3"><span style="font-family: 'Lucida Console', monospace;">import
 423  salome</span></p>
 424
 425 <p class="whs3">import geompy</p>
 426
 427 <p class="whs3">import SMESH</p>
 428
 429 <p class="whs3">import StdMeshers</p>
 430
 431 <p class="whs3">&nbsp;</p>
 432
 433 <p class="whs3">smesh = salome.lcc.FindOrLoadComponent(&quot;FactoryServer&quot;,
 434  &quot;SMESH&quot;)</p>
 435
 436 <p class="whs3">smesh.SetCurrentStudy(salome.myStudy)</p>
 437
 438 <p class="whs3">&nbsp;</p>
 439
 440 <p class="whs3">box &nbsp;&nbsp;=
 441  geompy.MakeBox(0., 0., 0., 20., 20., 20.)</p>
 442
 443 <p class="whs3">idbox = geompy.addToStudy(box, &quot;box&quot;)</p>
 444
 445 <p class="whs3">&nbsp;</p>
 446
 447 <p class="whs3">subShapeList = geompy.SubShapeAll(box,
 448  geompy.ShapeType[&quot;EDGE&quot;])</p>
 449
 450 <p class="whs3">edge &nbsp;&nbsp;=
 451  subShapeList[0]</p>
 452
 453 <p class="whs3">name &nbsp;&nbsp;=
 454  geompy.SubShapeName(edge, box)</p>
 455
 456 <p class="whs3">idedge = geompy.addToStudyInFather(box,
 457  edge, name)</p>
 458
 459 <p class="whs3">&nbsp;</p>
 460
 461 <p class="whs3">box &nbsp;=
 462  salome.IDToObject(idbox)</p>
 463
 464 <p class="whs3">edge = salome.IDToObject(idedge)</p>
 465
 466 <p class="whs3">&nbsp;</p>
 467
 468 <p class="whs3">hyp1 = smesh.CreateHypothesis(&quot;NumberOfSegments&quot;,
 469  &quot;libStdMeshersEngine.so&quot;)</p>
 470
 471 <p class="whs3">hyp1.SetNumberOfSegments(3)</p>
 472
 473 <p class="whs3">hyp2 = smesh.CreateHypothesis(&quot;MaxElementArea&quot;,
 474  &quot;libStdMeshersEngine.so&quot;)</p>
 475
 476 <p class="whs3">hyp2.SetMaxElementArea(10)</p>
 477
 478 <p class="whs3">hyp3 = smesh.CreateHypothesis(&quot;Arithmetic1D&quot;,
 479  &quot;libStdMeshersEngine.so&quot;)</p>
 480
 481 <p class="whs3">hyp3.SetLength(1,1)</p>
 482
 483 <p class="whs3">hyp3.SetLength(6,0)</p>
 484
 485 <p class="whs3">hyp4 = smesh.CreateHypothesis(&quot;Propagation&quot;,
 486  &quot;libStdMeshersEngine.so&quot;)</p>
 487
 488 <p class="whs3">&nbsp;</p>
 489
 490 <p class="whs3">algo1 = smesh.CreateHypothesis(&quot;Regular_1D&quot;,
 491  &quot;libStdMeshersEngine.so&quot;)</p>
 492
 493 <p class="whs3">algo2 = smesh.CreateHypothesis(&quot;MEFISTO_2D&quot;,
 494  &quot;libStdMeshersEngine.so&quot;)</p>
 495
 496 <p class="whs3">&nbsp;</p>
 497
 498 <p class="whs3">mesh = smesh.CreateMesh(box)</p>
 499
 500 <p class="whs3">mesh.AddHypothesis(box,hyp1)</p>
 501
 502 <p class="whs3">mesh.AddHypothesis(box,hyp2)</p>
 503
 504 <p class="whs3">mesh.AddHypothesis(box,algo1)</p>
 505
 506 <p class="whs3">mesh.AddHypothesis(box,algo2)</p>
 507
 508 <p class="whs3">mesh.AddHypothesis(edge,hyp3)</p>
 509
 510 <p class="whs3">mesh.AddHypothesis(edge,hyp4)</p>
 511
 512 <p class="whs3">mesh.AddHypothesis(edge,algo1)</p>
 513
 514 <p class="whs3">&nbsp;</p>
 515
 516 <p class="whs3">smesh.Compute(mesh,box)</p>
 517
 518 <p class="whs3">salome.sg.updateObjBrowser(1)</p>
 519
 520 <p class="whs3">&nbsp;</p>
 521
 522 <p class="whs5"># remove a hypothesis</p>
 523
 524 <p class="whs3">mesh.RemoveHypothesis(edge,hyp4)</p>
 525
 526 <p class="whs3">&nbsp;</p>
 527
 528 <p class="whs3">smesh.Compute(mesh,box)</p>
 529
 530 <p class="whs3">salome.sg.updateObjBrowser(1)</p>
 531
 532 <p class="whs3">&nbsp;</p>
 533
 534 <p class="whs5"># change the value
 535  of the hypothesis</p>
 536
 537 <p class="whs3">hyp2.SetMaxElementArea(2)</p>
 538
 539 <p class="whs3">mesh.AddHypothesis(box,hyp2)</p>
 540
 541 <p class="whs3">&nbsp;</p>
 542
 543 <p class="whs3">smesh.Compute(mesh,box)</p>
 544
 545 <p class="whs3">salome.sg.updateObjBrowser(1) </p>
 546
 547 <p class="whs4">&nbsp;</p>
 548
 549 <h3><a name=bookmark3>Export of a Mesh</a></h3>
 550
 551 <p class="whs4">&nbsp;</p>
 552
 553 <p class="whs1"><span style="font-family: 'Lucida Console', monospace;">import
 554  salome</span></p>
 555
 556 <p class="whs1">import geompy</p>
 557
 558 <p class="whs1">import StdMeshers</p>
 559
 560 <p class="whs1">smesh = salome.lcc.FindOrLoadComponent(&quot;FactoryServer&quot;,
 561  &quot;SMESH&quot;)</p>
 562
 563 <p class="whs1">smeshgui = salome.ImportComponentGUI(&quot;SMESH&quot;)</p>
 564
 565 <p class="whs1">smeshgui.Init(salome.myStudyId);</p>
 566
 567 <p class="whs2">&nbsp;</p>
 568
 569 <p class="whs2"># create a box</p>
 570
 571 <p class="whs1">box = geompy.MakeBox(0.,
 572  0., 0., 100., 200., 300.)</p>
 573
 574 <p class="whs2">&nbsp;</p>
 575
 576 <p class="whs2"># add the box to the study</p>
 577
 578 <p class="whs1">idbox = geompy.addToStudy(box,
 579  &quot;box&quot;)</p>
 580
 581 <p class="whs2">&nbsp;</p>
 582
 583 <p class="whs2"># create a hypothesis</p>
 584
 585 <p class="whs1">print &quot;--------------------------
 586  create Hypothesis&quot;</p>
 587
 588 <p class="whs1">print &quot;--------------------------
 589  NumberOfSegments&quot;</p>
 590
 591 <p class="whs1">numberOfSegments
 592  = 7</p>
 593
 594 <p class="whs1">hypNbSeg = smesh.CreateHypothesis(&quot;NumberOfSegments&quot;,
 595  &quot;libStdMeshersEngine.so&quot;)</p>
 596
 597 <p class="whs1">hypNbSeg.SetNumberOfSegments(numberOfSegments)</p>
 598
 599 <p class="whs1">print hypNbSeg.GetName()</p>
 600
 601 <p class="whs1">print hypNbSeg.GetId()</p>
 602
 603 <p class="whs1">print hypNbSeg.GetNumberOfSegments()</p>
 604
 605 <p class="whs1">smeshgui.SetName(salome.ObjectToID(hypNbSeg),
 606  &quot;NumberOfSegments_10&quot;)</p>
 607
 608 <p class="whs1">print &quot;--------------------------
 609  MaxElementArea&quot;</p>
 610
 611 <p class="whs1">maxElementArea =
 612  800</p>
 613
 614 <p class="whs1">hypArea = smesh.CreateHypothesis(&quot;MaxElementArea&quot;,
 615  &quot;libStdMeshersEngine.so&quot;)</p>
 616
 617 <p class="whs1">hypArea.SetMaxElementArea(maxElementArea)</p>
 618
 619 <p class="whs1">print hypArea.GetName()</p>
 620
 621 <p class="whs1">print hypArea.GetId()</p>
 622
 623 <p class="whs1">print hypArea.GetMaxElementArea()</p>
 624
 625 <p class="whs1">smeshgui.SetName(salome.ObjectToID(hypArea),
 626  &quot;MaxElementArea_500&quot;)</p>
 627
 628 <p class="whs1">print &quot;--------------------------
 629  MaxElementVolume&quot;</p>
 630
 631 <p class="whs1">maxElementVolume
 632  = 900</p>
 633
 634 <p class="whs1">hypVolume = smesh.CreateHypothesis(&quot;MaxElementVolume&quot;,
 635  &quot;libStdMeshersEngine.so&quot;)</p>
 636
 637 <p class="whs1">hypVolume.SetMaxElementVolume(maxElementVolume)</p>
 638
 639 <p class="whs1">print hypVolume.GetName()</p>
 640
 641 <p class="whs1">print hypVolume.GetId()</p>
 642
 643 <p class="whs1">print hypVolume.GetMaxElementVolume()</p>
 644
 645 <p class="whs1">smeshgui.SetName(salome.ObjectToID(hypVolume),
 646  &quot;MaxElementVolume_500&quot;)</p>
 647
 648 <p class="whs2">&nbsp;</p>
 649
 650 <p class="whs2"># create algorithms</p>
 651
 652 <p class="whs1">print &quot;--------------------------
 653  create Algorithms&quot;</p>
 654
 655 <p class="whs1">print &quot;--------------------------
 656  Regular_1D&quot;</p>
 657
 658 <p class="whs1">regular1D = smesh.CreateHypothesis(&quot;Regular_1D&quot;,
 659  &quot;libStdMeshersEngine.so&quot;)</p>
 660
 661 <p class="whs1">smeshgui.SetName(salome.ObjectToID(regular1D),
 662  &quot;Wire Discretisation&quot;)</p>
 663
 664 <p class="whs1">print &quot;--------------------------
 665  MEFISTO_2D&quot;</p>
 666
 667 <p class="whs1">mefisto2D = smesh.CreateHypothesis(&quot;MEFISTO_2D&quot;,
 668  &quot;libStdMeshersEngine.so&quot;)</p>
 669
 670 <p class="whs1">smeshgui.SetName(salome.ObjectToID(mefisto2D),
 671  &quot;MEFISTO_2D&quot;)</p>
 672
 673 <p class="whs2">&nbsp;</p>
 674
 675 <p class="whs2"># initialize a mesh with
 676  the box</p>
 677
 678 <p class="whs1">mesh = smesh.CreateMesh(box)</p>
 679
 680 <p class="whs1">smeshgui.SetName(salome.ObjectToID(mesh),
 681  &quot;MeshBox&quot;)</p>
 682
 683 <p class="whs1">&nbsp;</p>
 684
 685 <p class="whs2"># add the hypothesis to
 686  the box</p>
 687
 688 <p class="whs1">print &quot;--------------------------
 689  add hypothesis to the box&quot;</p>
 690
 691 <p class="whs1">mesh.AddHypothesis(box,hypNbSeg)</p>
 692
 693 <p class="whs1">mesh.AddHypothesis(box,hypArea)</p>
 694
 695 <p class="whs1">mesh.AddHypothesis(box,hypVolume)</p>
 696
 697 <p class="whs1">mesh.AddHypothesis(box,regular1D)</p>
 698
 699 <p class="whs1">mesh.AddHypothesis(box,mefisto2D)</p>
 700
 701 <p class="whs2">&nbsp;</p>
 702
 703 <p class="whs2"># compute the mesh</p>
 704
 705 <p class="whs1">print &quot;--------------------------
 706  compute the mesh of the box&quot;</p>
 707
 708 <p class="whs1">ret = smesh.Compute(mesh,box)</p>
 709
 710 <p class="whs1">print ret</p>
 711
 712 <p class="whs1">if ret == 0:</p>
 713
 714 <p class="whs1">&nbsp;&nbsp;&nbsp;&nbsp;print
 715  &quot;probleme when computing the mesh&quot;</p>
 716
 717 <p class="whs1">salome.sg.updateObjBrowser(1)</p>
 718
 719 <p class="whs1">mesh.ExportMED(&quot;/tmp/meshMED.med&quot;,0)</p>
 720
 721 <p class="whs2">&nbsp;</p>
 722
 723 <p class="whs4">&nbsp;</p>
 724
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