doc/salome/gui/SMESH/grouping_elements.htm

   1 <!doctype HTML public "-//W3C//DTD HTML 4.0 Frameset//EN">\r
   2 \r
   3 <html>\r
   4 \r
   5 <head>\r
   6 <title>Grouping Elements</title>\r
   7 <meta http-equiv="content-type" content="text/html; charset=windows-1252">\r
   8 <meta name="generator" content="RoboHelp by eHelp Corporation www.ehelp.com"><style type="text/css">\r
   9 <!--\r
  10 p.whs1 { margin-top:0pt; margin-bottom:0pt; font-family:'Lucida Console' , monospace; }\r
  11 p.whs2 { margin-top:0pt; margin-bottom:0pt; }\r
  12 img_whs3 { border:none; width:430px; height:391px; float:none; border-style:none; }\r
  13 img_whs4 { border:none; float:none; width:463px; height:417px; border-style:none; }\r
  14 img_whs5 { border:none; width:541px; height:417px; float:none; border-style:none; }\r
  15 img_whs6 { border:none; width:394px; height:425px; float:none; border-style:none; }\r
  16 img_whs7 { border:none; float:none; width:368px; height:379px; border-style:none; }\r
  17 img_whs8 { border:none; float:none; width:344px; height:381px; border-style:none; }\r
  18 img_whs9 { border:none; width:314px; height:351px; float:none; border-style:none; }\r
  19 img_whs10 { border:none; float:none; width:319px; height:351px; border-style:none; }\r
  20 img_whs11 { border:none; float:none; width:304px; height:352px; border-style:none; }\r
  21 img_whs12 { border:none; width:318px; height:355px; float:none; border-style:none; }\r
  22 img_whs13 { border:none; float:none; width:318px; height:355px; border-style:none; }\r
  23 img_whs14 { border:none; float:none; width:320px; height:354px; border-style:none; }\r
  24 -->\r
  25 </style><script type="text/javascript" language="JavaScript">\r
  26 <!--\r
  27 if ((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) == 4))\r
  28 {\r
  29   var strNSS = "<style type='text/css'>";\r
  30   strNSS += "p.whs1 {margin-top:1pt;margin-bottom:1pt; }";\r
  31   strNSS += "p.whs2 {margin-top:1pt;margin-bottom:1pt; }";\r
  32   strNSS +="</style>";\r
  33   document.write(strNSS);\r
  34 }\r
  35 //-->\r
  36 </script>\r
  37 <script type="text/javascript" language="JavaScript" title="WebHelpInlineScript">\r
  38 <!--\r
  39 function reDo() {\r
  40   if (innerWidth != origWidth || innerHeight != origHeight)\r
  41      location.reload();\r
  42 }\r
  43 if ((parseInt(navigator.appVersion) == 4) && (navigator.appName == "Netscape")) {\r
  44         origWidth = innerWidth;\r
  45         origHeight = innerHeight;\r
  46         onresize = reDo;\r
  47 }\r
  48 onerror = null; \r
  49 //-->\r
  50 </script>\r
  51 <style type="text/css">\r
  52 <!--\r
  53 div.WebHelpPopupMenu { position:absolute; left:0px; top:0px; z-index:4; visibility:hidden; }\r
  54 -->\r
  55 </style><script type="text/javascript" language="javascript1.2" src="whmsg.js"></script>\r
  56 <script type="text/javascript" language="javascript" src="whver.js"></script>\r
  57 <script type="text/javascript" language="javascript1.2" src="whproxy.js"></script>\r
  58 <script type="text/javascript" language="javascript1.2" src="whutils.js"></script>\r
  59 <script type="text/javascript" language="javascript1.2" src="whtopic.js"></script>\r
  60 </head>\r
  61 <body><script type="text/javascript" language="javascript1.2">\r
  62 <!--\r
  63 if (window.gbWhTopic)\r
  64 {\r
  65         if (window.addTocInfo)\r
  66         {\r
  67         addTocInfo("MESH module\nTUI Scripts\nGrouping Elements");\r
  68 addButton("show",BTN_TEXT,"Show","","","","",0,0,"","","");\r
  69 \r
  70         }\r
  71         if (window.writeBtnStyle)\r
  72                 writeBtnStyle();\r
  73 \r
  74         if (window.writeIntopicBar)\r
  75                 writeIntopicBar(1);\r
  76 \r
  77         if (window.setRelStartPage)\r
  78         {\r
  79         setRelStartPage("smesh.htm");\r
  80 \r
  81                 autoSync(1);\r
  82                 sendSyncInfo();\r
  83                 sendAveInfoOut();\r
  84         }\r
  85 }\r
  86 else\r
  87         if (window.gbIE4)\r
  88                 document.location.reload();\r
  89 //-->\r
  90 </script>\r
  91 <h1>Grouping Elements</h1>\r
  92 \r
  93 <h3><a name=bookmark>Create a Standalone Group</a></h3>\r
  94 \r
  95 <p class="whs1">&nbsp;</p>\r
  96 \r
  97 <p class="whs1">import SMESH</p>\r
  98 \r
  99 <p class="whs1">import SMESH_mechanic</p>\r
 100 \r
 101 <p class="whs1">&nbsp;</p>\r
 102 \r
 103 <p class="whs1">smesh &nbsp;= \r
 104  SMESH_mechanic.smesh</p>\r
 105 \r
 106 <p class="whs1">mesh &nbsp;&nbsp;= \r
 107  SMESH_mechanic.mesh</p>\r
 108 \r
 109 <p class="whs1">salome = SMESH_mechanic.salome</p>\r
 110 \r
 111 <p class="whs1">&nbsp;</p>\r
 112 \r
 113 <p class="whs1">aFilterMgr = smesh.CreateFilterManager()</p>\r
 114 \r
 115 <p class="whs1">&nbsp;</p>\r
 116 \r
 117 <p class="whs2"># Criterion : AREA &gt; \r
 118  100</p>\r
 119 \r
 120 <p class="whs1">&nbsp;</p>\r
 121 \r
 122 <p class="whs1">aFunctor = aFilterMgr.CreateArea()</p>\r
 123 \r
 124 <p class="whs1">aPredicate = aFilterMgr.CreateMoreThan()</p>\r
 125 \r
 126 <p class="whs1">aPredicate.SetNumFunctor( \r
 127  aFunctor )</p>\r
 128 \r
 129 <p class="whs1">aPredicate.SetMargin( \r
 130  100 )</p>\r
 131 \r
 132 <p class="whs1">&nbsp;</p>\r
 133 \r
 134 <p class="whs1">aFilter = aFilterMgr.CreateFilter()</p>\r
 135 \r
 136 <p class="whs1">aFilter.SetPredicate( \r
 137  aPredicate )</p>\r
 138 \r
 139 <p class="whs1">&nbsp;</p>\r
 140 \r
 141 <p class="whs1">anIds = aFilter.GetElementsId( \r
 142  mesh )</p>\r
 143 \r
 144 <p class="whs2">&nbsp;</p>\r
 145 \r
 146 <p class="whs2"># print the result</p>\r
 147 \r
 148 <p class="whs1">print &quot;Criterion: \r
 149  Area &gt; 100 Nb = &quot;, len( anIds )</p>\r
 150 \r
 151 <p class="whs1">for i in range( \r
 152  len( anIds ) ):</p>\r
 153 \r
 154 <p class="whs1">&nbsp;&nbsp;print \r
 155  anIds[ i ]</p>\r
 156 \r
 157 <p class="whs1">&nbsp;</p>\r
 158 \r
 159 <p class="whs2"># create a group consisting \r
 160  of faces with area &gt; 100</p>\r
 161 \r
 162 <p class="whs1">aGroup = mesh.CreateGroup( \r
 163  SMESH.FACE, &quot;Area &gt; 100&quot; )</p>\r
 164 \r
 165 <p class="whs1">aGroup.Add( anIds \r
 166  )</p>\r
 167 \r
 168 <p class="whs1">&nbsp;</p>\r
 169 \r
 170 <p class="whs2"><span style="font-family: 'Lucida Console', monospace;">salome.sg.updateObjBrowser(1)</span> \r
 171  </p>\r
 172 \r
 173 <p class="whs2">&nbsp;</p>\r
 174 \r
 175 <p class="whs2"><img src="pics/create_group.png" x-maintain-ratio="TRUE" width="430px" height="391px" border="0" class="img_whs3"></p>\r
 176 \r
 177 <h4><a name=bookmark5>Create a Group on Geometry</a></h4>\r
 178 \r
 179 <p class="whs1">import salome</p>\r
 180 \r
 181 <p class="whs1">import geompy</p>\r
 182 \r
 183 <p class="whs1">&nbsp;</p>\r
 184 \r
 185 <p class="whs1">import StdMeshers</p>\r
 186 \r
 187 <p class="whs1">&nbsp;</p>\r
 188 \r
 189 <p class="whs1">smesh = salome.lcc.FindOrLoadComponent(&quot;FactoryServer&quot;, \r
 190  &quot;SMESH&quot;)</p>\r
 191 \r
 192 <p class="whs1">&nbsp;</p>\r
 193 \r
 194 <p class="whs1">smeshgui = salome.ImportComponentGUI(&quot;SMESH&quot;)</p>\r
 195 \r
 196 <p class="whs1">smeshgui.Init(salome.myStudyId);</p>\r
 197 \r
 198 <p class="whs2">&nbsp;</p>\r
 199 \r
 200 <p class="whs2"># create a box</p>\r
 201 \r
 202 <p class="whs1">box = geompy.MakeBox(0., \r
 203  0., 0., 100., 100., 100.)</p>\r
 204 \r
 205 <p class="whs2">&nbsp;</p>\r
 206 \r
 207 <p class="whs2"># add the box to the study</p>\r
 208 \r
 209 <p class="whs1">idbox = geompy.addToStudy(box, \r
 210  &quot;box&quot;)</p>\r
 211 \r
 212 <p class="whs2">&nbsp;</p>\r
 213 \r
 214 <p class="whs2"># add the first face of \r
 215  the box to the study</p>\r
 216 \r
 217 <p class="whs1">subShapeList = geompy.SubShapeAll(box, \r
 218  geompy.ShapeType[&quot;FACE&quot;])</p>\r
 219 \r
 220 <p class="whs1">face = subShapeList[0]</p>\r
 221 \r
 222 <p class="whs1">name = geompy.SubShapeName(face, \r
 223  box)</p>\r
 224 \r
 225 <p class="whs1">idface = geompy.addToStudyInFather(box, \r
 226  face, name)</p>\r
 227 \r
 228 <p class="whs2">&nbsp;</p>\r
 229 \r
 230 <p class="whs2"># create a hypothesis</p>\r
 231 \r
 232 <p class="whs1">print &quot;-------------------------- \r
 233  create Hypothesis&quot;</p>\r
 234 \r
 235 <p class="whs1">&nbsp;</p>\r
 236 \r
 237 <p class="whs1">print &quot;-------------------------- \r
 238  NumberOfSegments&quot;</p>\r
 239 \r
 240 <p class="whs1">numberOfSegments \r
 241  = 7</p>\r
 242 \r
 243 <p class="whs1">&nbsp;</p>\r
 244 \r
 245 <p class="whs1">hypNbSeg = smesh.CreateHypothesis(&quot;NumberOfSegments&quot;, \r
 246  &quot;libStdMeshersEngine.so&quot;)</p>\r
 247 \r
 248 <p class="whs1">hypNbSeg.SetNumberOfSegments(numberOfSegments)</p>\r
 249 \r
 250 <p class="whs1">&nbsp;</p>\r
 251 \r
 252 <p class="whs1">print hypNbSeg.GetName()</p>\r
 253 \r
 254 <p class="whs1">print hypNbSeg.GetId()</p>\r
 255 \r
 256 <p class="whs1">print hypNbSeg.GetNumberOfSegments()</p>\r
 257 \r
 258 <p class="whs1">&nbsp;</p>\r
 259 \r
 260 <p class="whs1">smeshgui.SetName(salome.ObjectToID(hypNbSeg), \r
 261  &quot;NumberOfSegments_10&quot;)</p>\r
 262 \r
 263 <p class="whs1">&nbsp;</p>\r
 264 \r
 265 <p class="whs1">print &quot;-------------------------- \r
 266  MaxElementArea&quot;</p>\r
 267 \r
 268 <p class="whs1">maxElementArea = \r
 269  800</p>\r
 270 \r
 271 <p class="whs1">&nbsp;</p>\r
 272 \r
 273 <p class="whs1">hypArea = smesh.CreateHypothesis(&quot;MaxElementArea&quot;, \r
 274  &quot;libStdMeshersEngine.so&quot;)</p>\r
 275 \r
 276 <p class="whs1">hypArea.SetMaxElementArea(maxElementArea)</p>\r
 277 \r
 278 <p class="whs1">&nbsp;</p>\r
 279 \r
 280 <p class="whs1">print hypArea.GetName()</p>\r
 281 \r
 282 <p class="whs1">print hypArea.GetId()</p>\r
 283 \r
 284 <p class="whs1">print hypArea.GetMaxElementArea()</p>\r
 285 \r
 286 <p class="whs1">&nbsp;</p>\r
 287 \r
 288 <p class="whs1">smeshgui.SetName(salome.ObjectToID(hypArea), \r
 289  &quot;MaxElementArea_500&quot;)</p>\r
 290 \r
 291 <p class="whs1">&nbsp;</p>\r
 292 \r
 293 <p class="whs1">print &quot;-------------------------- \r
 294  MaxElementVolume&quot;</p>\r
 295 \r
 296 <p class="whs1">maxElementVolume \r
 297  = 900</p>\r
 298 \r
 299 <p class="whs1">&nbsp;</p>\r
 300 \r
 301 <p class="whs1">hypVolume = smesh.CreateHypothesis(&quot;MaxElementVolume&quot;, \r
 302  &quot;libStdMeshersEngine.so&quot;)</p>\r
 303 \r
 304 <p class="whs1">hypVolume.SetMaxElementVolume(maxElementVolume)</p>\r
 305 \r
 306 <p class="whs2">&nbsp;</p>\r
 307 \r
 308 <p class="whs1">print hypVolume.GetName()</p>\r
 309 \r
 310 <p class="whs1">print hypVolume.GetId()</p>\r
 311 \r
 312 <p class="whs1">print hypVolume.GetMaxElementVolume()</p>\r
 313 \r
 314 <p class="whs1">&nbsp;</p>\r
 315 \r
 316 <p class="whs1">smeshgui.SetName(salome.ObjectToID(hypVolume), \r
 317  &quot;MaxElementVolume_500&quot;)</p>\r
 318 \r
 319 <p class="whs2">&nbsp;</p>\r
 320 \r
 321 <p class="whs2"># create algorithms</p>\r
 322 \r
 323 <p class="whs1">print &quot;-------------------------- \r
 324  create Algorithms&quot;</p>\r
 325 \r
 326 <p class="whs1">&nbsp;</p>\r
 327 \r
 328 <p class="whs1">print &quot;-------------------------- \r
 329  Regular_1D&quot;</p>\r
 330 \r
 331 <p class="whs1">regular1D = smesh.CreateHypothesis(&quot;Regular_1D&quot;, \r
 332  &quot;libStdMeshersEngine.so&quot;)</p>\r
 333 \r
 334 <p class="whs1">smeshgui.SetName(salome.ObjectToID(regular1D), \r
 335  &quot;Wire Discretisation&quot;)</p>\r
 336 \r
 337 <p class="whs1">&nbsp;</p>\r
 338 \r
 339 <p class="whs1">print &quot;-------------------------- \r
 340  Quadrangle_2D&quot;</p>\r
 341 \r
 342 <p class="whs1">quad2D = smesh.CreateHypothesis(&quot;Quadrangle_2D&quot;, \r
 343  &quot;libStdMeshersEngine.so&quot;)</p>\r
 344 \r
 345 <p class="whs1">smeshgui.SetName(salome.ObjectToID(quad2D), \r
 346  &quot;Quadrangle_2D&quot;)</p>\r
 347 \r
 348 <p class="whs2">&nbsp;</p>\r
 349 \r
 350 <p class="whs2"># initialize a mesh with \r
 351  the box</p>\r
 352 \r
 353 <p class="whs1">mesh = smesh.CreateMesh(box)</p>\r
 354 \r
 355 <p class="whs1">smeshgui.SetName(salome.ObjectToID(mesh), \r
 356  &quot;MeshBox&quot;)</p>\r
 357 \r
 358 <p class="whs2">&nbsp;</p>\r
 359 \r
 360 <p class="whs2"># add a hypothesis to the \r
 361  box</p>\r
 362 \r
 363 <p class="whs1">print &quot;-------------------------- \r
 364  add hypothesis to the box&quot;</p>\r
 365 \r
 366 <p class="whs1">mesh.AddHypothesis(box,hypNbSeg)</p>\r
 367 \r
 368 <p class="whs1">mesh.AddHypothesis(box,hypArea)</p>\r
 369 \r
 370 <p class="whs1">mesh.AddHypothesis(box,hypVolume)</p>\r
 371 \r
 372 <p class="whs1">mesh.AddHypothesis(box,regular1D)</p>\r
 373 \r
 374 <p class="whs1">mesh.AddHypothesis(box,quad2D)</p>\r
 375 \r
 376 <p class="whs2">&nbsp;</p>\r
 377 \r
 378 <p class="whs2"># compute the mesh</p>\r
 379 \r
 380 <p class="whs1">print &quot;-------------------------- \r
 381  compute the mesh of the box&quot;</p>\r
 382 \r
 383 <p class="whs1">ret = smesh.Compute(mesh,box)</p>\r
 384 \r
 385 <p class="whs1">print ret</p>\r
 386 \r
 387 <p class="whs1">if ret == 0:</p>\r
 388 \r
 389 <p class="whs1">&nbsp;&nbsp;&nbsp;&nbsp;print \r
 390  &quot;probleme when computing the mesh&quot;</p>\r
 391 \r
 392 <p class="whs2">&nbsp;</p>\r
 393 \r
 394 <p class="whs2"># create geometry groups \r
 395  on the plane:</p>\r
 396 \r
 397 <p class="whs1">aGeomGroup1 = geompy.CreateGroup(face \r
 398  , geompy.ShapeType[&quot;FACE&quot;])</p>\r
 399 \r
 400 <p class="whs1">geompy.AddObject(aGeomGroup1, \r
 401  1)</p>\r
 402 \r
 403 <p class="whs1">&nbsp;</p>\r
 404 \r
 405 <p class="whs1">aGeomGroup2 = geompy.CreateGroup(face \r
 406  , geompy.ShapeType[&quot;EDGE&quot;])</p>\r
 407 \r
 408 <p class="whs1">&nbsp;</p>\r
 409 \r
 410 <p class="whs1">geompy.AddObject(aGeomGroup2, \r
 411  3)</p>\r
 412 \r
 413 <p class="whs1">geompy.AddObject(aGeomGroup2, \r
 414  6)</p>\r
 415 \r
 416 <p class="whs1">geompy.AddObject(aGeomGroup2, \r
 417  8)</p>\r
 418 \r
 419 <p class="whs1">geompy.AddObject(aGeomGroup2, \r
 420  10)</p>\r
 421 \r
 422 <p class="whs1">&nbsp;</p>\r
 423 \r
 424 <p class="whs1">geompy.addToStudy(aGeomGroup1, \r
 425  &quot;Group on Faces&quot;)</p>\r
 426 \r
 427 <p class="whs1">geompy.addToStudy(aGeomGroup2, \r
 428  &quot;Group on Edges&quot;)</p>\r
 429 \r
 430 <p class="whs1">&nbsp;</p>\r
 431 \r
 432 <p class="whs1">aSmeshGroup1 = mesh.CreateGroupFromGEOM(SMESH.FACE, \r
 433  &quot;SMESHGroup1&quot;, aGeomGroup1)</p>\r
 434 \r
 435 <p class="whs1">aSmeshGroup2 = mesh.CreateGroupFromGEOM(SMESH.EDGE, \r
 436  &quot;SMESHGroup2&quot;, aGeomGroup2)</p>\r
 437 \r
 438 <p class="whs1">&nbsp;</p>\r
 439 \r
 440 <p class="whs2"><span style="font-family: 'Lucida Console', monospace;">salome.sg.updateObjBrowser(1)</span> \r
 441  </p>\r
 442 \r
 443 <p class="whs2">&nbsp;</p>\r
 444 \r
 445 <h3><a name=bookmark1>Edit a Group</a></h3>\r
 446 \r
 447 <p class="whs1">import SMESH</p>\r
 448 \r
 449 <p class="whs1">import SMESH_mechanic</p>\r
 450 \r
 451 <p class="whs1">&nbsp;</p>\r
 452 \r
 453 <p class="whs1">smesh &nbsp;= \r
 454  SMESH_mechanic.smesh</p>\r
 455 \r
 456 <p class="whs1">mesh &nbsp;&nbsp;= \r
 457  SMESH_mechanic.mesh</p>\r
 458 \r
 459 <p class="whs1">salome = SMESH_mechanic.salome</p>\r
 460 \r
 461 <p class="whs1">&nbsp;</p>\r
 462 \r
 463 <p class="whs1">aFilterMgr = smesh.CreateFilterManager()</p>\r
 464 \r
 465 <p class="whs1">&nbsp;</p>\r
 466 \r
 467 <p class="whs2"># Criterion : AREA &gt; \r
 468  20</p>\r
 469 \r
 470 <p class="whs2">&nbsp;</p>\r
 471 \r
 472 <p class="whs1">aFunctor = aFilterMgr.CreateArea()</p>\r
 473 \r
 474 <p class="whs1">aPredicate = aFilterMgr.CreateMoreThan()</p>\r
 475 \r
 476 <p class="whs1">aPredicate.SetNumFunctor( \r
 477  aFunctor )</p>\r
 478 \r
 479 <p class="whs1">aPredicate.SetMargin( \r
 480  30 )</p>\r
 481 \r
 482 <p class="whs1">&nbsp;</p>\r
 483 \r
 484 <p class="whs1">aFilter = aFilterMgr.CreateFilter()</p>\r
 485 \r
 486 <p class="whs1">aFilter.SetPredicate( \r
 487  aPredicate )</p>\r
 488 \r
 489 <p class="whs1">&nbsp;</p>\r
 490 \r
 491 <p class="whs1">anIds = aFilter.GetElementsId( \r
 492  mesh )</p>\r
 493 \r
 494 <p class="whs1">&nbsp;</p>\r
 495 \r
 496 <p class="whs2"># create a group by adding \r
 497  elements with area &gt; 20</p>\r
 498 \r
 499 <p class="whs1">aGroup = mesh.CreateGroup( \r
 500  SMESH.FACE, &quot;Area &gt; 20&quot; )</p>\r
 501 \r
 502 <p class="whs1">aGroup.Add( anIds \r
 503  )</p>\r
 504 \r
 505 <p class="whs1">&nbsp;</p>\r
 506 \r
 507 <p class="whs1">print &quot;Criterion: \r
 508  Area &gt; 20 Nb = &quot;, len( anIds )</p>\r
 509 \r
 510 <p class="whs1">for i in range( \r
 511  len( anIds ) ):</p>\r
 512 \r
 513 <p class="whs1">&nbsp;&nbsp;print \r
 514  anIds[ i ]</p>\r
 515 \r
 516 <p class="whs1">&nbsp;</p>\r
 517 \r
 518 <p class="whs2"># Criterion : AREA &gt; \r
 519  60</p>\r
 520 \r
 521 <p class="whs2">&nbsp;</p>\r
 522 \r
 523 <p class="whs1">aFunctor = aFilterMgr.CreateArea()</p>\r
 524 \r
 525 <p class="whs1">aPredicate = aFilterMgr.CreateMoreThan()</p>\r
 526 \r
 527 <p class="whs1">aPredicate.SetNumFunctor( \r
 528  aFunctor )</p>\r
 529 \r
 530 <p class="whs1">aPredicate.SetMargin( \r
 531  60 )</p>\r
 532 \r
 533 <p class="whs1">&nbsp;</p>\r
 534 \r
 535 <p class="whs1">aFilter = aFilterMgr.CreateFilter()</p>\r
 536 \r
 537 <p class="whs1">aFilter.SetPredicate( \r
 538  aPredicate )</p>\r
 539 \r
 540 <p class="whs1">&nbsp;</p>\r
 541 \r
 542 <p class="whs1">anIds = aFilter.GetElementsId( \r
 543  mesh )</p>\r
 544 \r
 545 <p class="whs2">&nbsp;</p>\r
 546 \r
 547 <p class="whs2"># create a group of elements \r
 548  with area [20; 60] by removing elements with area &gt; 60 from &nbsp;group \r
 549  aGroup </p>\r
 550 \r
 551 <p class="whs1">aGroup.Remove(anIds)</p>\r
 552 \r
 553 <p class="whs2">&nbsp;</p>\r
 554 \r
 555 <p class="whs2"># print the result</p>\r
 556 \r
 557 <p class="whs1">aGroupElemIDs = \r
 558  aGroup.GetListOfID()</p>\r
 559 \r
 560 <p class="whs1">print &quot;Criterion: \r
 561  20 &lt; Area &lt; 60 = &quot;, len( aGroupElemIDs )</p>\r
 562 \r
 563 <p class="whs1">for i in range( \r
 564  len( aGroupElemIDs ) ):</p>\r
 565 \r
 566 <p class="whs1">&nbsp;&nbsp;print \r
 567  aGroupElemIDs[ i ]</p>\r
 568 \r
 569 <p class="whs1">&nbsp;</p>\r
 570 \r
 571 <p class="whs2"><span style="font-family: 'Lucida Console', monospace;">salome.sg.updateObjBrowser(1)</span> \r
 572  </p>\r
 573 \r
 574 <p class="whs2">&nbsp;</p>\r
 575 \r
 576 <p class="whs2"><img src="pics/editing_groups1.png" x-maintain-ratio="TRUE" width="463px" height="417px" border="0" class="img_whs4"> &nbsp;<img src="pics/editing_groups2.png" x-maintain-ratio="TRUE" width="541px" height="417px" border="0" class="img_whs5"></p>\r
 577 \r
 578 <h3><a name=bookmark2>Union of two groups</a></h3>\r
 579 \r
 580 <p class="whs1">import SMESH</p>\r
 581 \r
 582 <p class="whs1">import SMESH_mechanic</p>\r
 583 \r
 584 <p class="whs1">&nbsp;</p>\r
 585 \r
 586 <p class="whs1">smesh &nbsp;= \r
 587  SMESH_mechanic.smesh</p>\r
 588 \r
 589 <p class="whs1">mesh &nbsp;&nbsp;= \r
 590  SMESH_mechanic.mesh</p>\r
 591 \r
 592 <p class="whs1">salome = SMESH_mechanic.salome</p>\r
 593 \r
 594 <p class="whs1">&nbsp;</p>\r
 595 \r
 596 <p class="whs1">aFilterMgr = smesh.CreateFilterManager()</p>\r
 597 \r
 598 <p class="whs1">&nbsp;</p>\r
 599 \r
 600 <p class="whs2"># Criterion : AREA &gt; \r
 601  20</p>\r
 602 \r
 603 <p class="whs2">&nbsp;</p>\r
 604 \r
 605 <p class="whs1">aFunctor = aFilterMgr.CreateArea()</p>\r
 606 \r
 607 <p class="whs1">aPredicate = aFilterMgr.CreateMoreThan()</p>\r
 608 \r
 609 <p class="whs1">aPredicate.SetNumFunctor( \r
 610  aFunctor )</p>\r
 611 \r
 612 <p class="whs1">aPredicate.SetMargin( \r
 613  20 )</p>\r
 614 \r
 615 <p class="whs1">&nbsp;</p>\r
 616 \r
 617 <p class="whs1">aFilter = aFilterMgr.CreateFilter()</p>\r
 618 \r
 619 <p class="whs1">aFilter.SetPredicate( \r
 620  aPredicate )</p>\r
 621 \r
 622 <p class="whs1">&nbsp;</p>\r
 623 \r
 624 <p class="whs1">anIds = aFilter.GetElementsId( \r
 625  mesh )</p>\r
 626 \r
 627 <p class="whs1">&nbsp;</p>\r
 628 \r
 629 <p class="whs2"># create a group by adding \r
 630  elements with area &gt; 20</p>\r
 631 \r
 632 <p class="whs1">aGroup1 = mesh.CreateGroup( \r
 633  SMESH.FACE, &quot;Area &gt; 20&quot; )</p>\r
 634 \r
 635 <p class="whs1">aGroup1.Add( anIds \r
 636  )</p>\r
 637 \r
 638 <p class="whs1">&nbsp;</p>\r
 639 \r
 640 <p class="whs1">print &quot;Criterion: \r
 641  Area &gt; 20 Nb = &quot;, len( anIds )</p>\r
 642 \r
 643 <p class="whs1">for i in range( \r
 644  len( anIds ) ):</p>\r
 645 \r
 646 <p class="whs1">&nbsp;&nbsp;print \r
 647  anIds[ i ]</p>\r
 648 \r
 649 <p class="whs1">&nbsp;</p>\r
 650 \r
 651 <p class="whs2"># Criterion : AREA = 20</p>\r
 652 \r
 653 <p class="whs2">&nbsp;</p>\r
 654 \r
 655 <p class="whs1">aFunctor = aFilterMgr.CreateArea()</p>\r
 656 \r
 657 <p class="whs1">aPredicate = aFilterMgr.CreateEqualTo()</p>\r
 658 \r
 659 <p class="whs1">aPredicate.SetNumFunctor( \r
 660  aFunctor )</p>\r
 661 \r
 662 <p class="whs1">aPredicate.SetMargin( \r
 663  20 )</p>\r
 664 \r
 665 <p class="whs1">&nbsp;</p>\r
 666 \r
 667 <p class="whs1">aFilter = aFilterMgr.CreateFilter()</p>\r
 668 \r
 669 <p class="whs1">aFilter.SetPredicate( \r
 670  aPredicate )</p>\r
 671 \r
 672 <p class="whs1">&nbsp;</p>\r
 673 \r
 674 <p class="whs1">anIds = aFilter.GetElementsId( \r
 675  mesh )</p>\r
 676 \r
 677 <p class="whs2">&nbsp;</p>\r
 678 \r
 679 <p class="whs2"># create a group by adding \r
 680  elements with area &gt; 20</p>\r
 681 \r
 682 <p class="whs1">aGroup2 = mesh.CreateGroup( \r
 683  SMESH.FACE, &quot;Area = 20&quot; )</p>\r
 684 \r
 685 <p class="whs1">aGroup2.Add( anIds \r
 686  )</p>\r
 687 \r
 688 <p class="whs1">&nbsp;</p>\r
 689 \r
 690 <p class="whs1">print &quot;Criterion: \r
 691  Area = 20 Nb = &quot;, len( anIds )</p>\r
 692 \r
 693 <p class="whs1">for i in range( \r
 694  len( anIds ) ):</p>\r
 695 \r
 696 <p class="whs1">&nbsp;&nbsp;print \r
 697  anIds[ i ]</p>\r
 698 \r
 699 <p class="whs2">&nbsp;</p>\r
 700 \r
 701 <p class="whs2"># create union group : \r
 702  area &gt;= 20</p>\r
 703 \r
 704 <p class="whs1">aGroup3 = mesh.UnionGroups(aGroup1, \r
 705  aGroup2, &quot;Area &gt;= 20&quot;)</p>\r
 706 \r
 707 <p class="whs1">print &quot;Criterion: \r
 708  Area &gt;= 20 Nb = &quot;, len( aGroup3.GetListOfID() )</p>\r
 709 \r
 710 <p class="whs1">&nbsp;</p>\r
 711 \r
 712 <p class="whs2"># Criterion : AREA &lt; \r
 713  20</p>\r
 714 \r
 715 <p class="whs2">&nbsp;</p>\r
 716 \r
 717 <p class="whs1">aFunctor = aFilterMgr.CreateArea()</p>\r
 718 \r
 719 <p class="whs1">aPredicate = aFilterMgr.CreateLessThan()</p>\r
 720 \r
 721 <p class="whs1">aPredicate.SetNumFunctor( \r
 722  aFunctor )</p>\r
 723 \r
 724 <p class="whs1">aPredicate.SetMargin( \r
 725  20 )</p>\r
 726 \r
 727 <p class="whs1">&nbsp;</p>\r
 728 \r
 729 <p class="whs1">aFilter = aFilterMgr.CreateFilter()</p>\r
 730 \r
 731 <p class="whs1">aFilter.SetPredicate( \r
 732  aPredicate )</p>\r
 733 \r
 734 <p class="whs1">&nbsp;</p>\r
 735 \r
 736 <p class="whs1">anIds = aFilter.GetElementsId( \r
 737  mesh )</p>\r
 738 \r
 739 <p class="whs1">&nbsp;</p>\r
 740 \r
 741 <p class="whs2"># create a group by adding \r
 742  elements with area &lt; 20</p>\r
 743 \r
 744 <p class="whs1">aGroup4 = mesh.CreateGroup( \r
 745  SMESH.FACE, &quot;Area &lt; 20&quot; )</p>\r
 746 \r
 747 <p class="whs1">aGroup4.Add( anIds \r
 748  )</p>\r
 749 \r
 750 <p class="whs1">&nbsp;</p>\r
 751 \r
 752 <p class="whs1">print &quot;Criterion: \r
 753  Area &lt; 20 Nb = &quot;, len( anIds )</p>\r
 754 \r
 755 <p class="whs1">for i in range( \r
 756  len( anIds ) ):</p>\r
 757 \r
 758 <p class="whs1">&nbsp;&nbsp;print \r
 759  anIds[ i ]</p>\r
 760 \r
 761 <p class="whs2">&nbsp;&nbsp;</p>\r
 762 \r
 763 <p class="whs2"># create union group : \r
 764  area &gt;= 20 and area &lt; 20</p>\r
 765 \r
 766 <p class="whs1">aGroup5 = mesh.UnionGroups(aGroup3, \r
 767  aGroup4, &quot;Any Area&quot;)</p>\r
 768 \r
 769 <p class="whs1">print &quot;Criterion: \r
 770  Any Area Nb = &quot;, len( aGroup5.GetListOfID() )</p>\r
 771 \r
 772 <p class="whs1">&nbsp;</p>\r
 773 \r
 774 <p class="whs1">salome.sg.updateObjBrowser(1) \r
 775  </p>\r
 776 \r
 777 <p class="whs1">&nbsp;</p>\r
 778 \r
 779 <p class="whs1"><img src="pics/union_groups1.png" x-maintain-ratio="TRUE" width="394px" height="425px" border="0" class="img_whs6"></p>\r
 780 \r
 781 <p class="whs1">&nbsp;</p>\r
 782 \r
 783 <p class="whs1"><img src="pics/union_groups2.png" x-maintain-ratio="TRUE" width="368px" height="379px" border="0" class="img_whs7"> <img src="pics/union_groups3.png" x-maintain-ratio="TRUE" width="344px" height="381px" border="0" class="img_whs8"></p>\r
 784 \r
 785 <p class="whs1">&nbsp;</p>\r
 786 \r
 787 <h3><a name=bookmark3>Intersection of two groups</a></h3>\r
 788 \r
 789 <p class="whs1">import SMESH</p>\r
 790 \r
 791 <p class="whs1">import SMESH_mechanic</p>\r
 792 \r
 793 <p class="whs1">&nbsp;</p>\r
 794 \r
 795 <p class="whs1">smesh &nbsp;= \r
 796  SMESH_mechanic.smesh</p>\r
 797 \r
 798 <p class="whs1">mesh &nbsp;&nbsp;= \r
 799  SMESH_mechanic.mesh</p>\r
 800 \r
 801 <p class="whs1">salome = SMESH_mechanic.salome</p>\r
 802 \r
 803 <p class="whs1">&nbsp;</p>\r
 804 \r
 805 <p class="whs1">aFilterMgr = smesh.CreateFilterManager()</p>\r
 806 \r
 807 <p class="whs1">&nbsp;</p>\r
 808 \r
 809 <p class="whs2"># Criterion : AREA &gt; \r
 810  20</p>\r
 811 \r
 812 <p class="whs2">&nbsp;</p>\r
 813 \r
 814 <p class="whs1">aFunctor = aFilterMgr.CreateArea()</p>\r
 815 \r
 816 <p class="whs1">aPredicate = aFilterMgr.CreateMoreThan()</p>\r
 817 \r
 818 <p class="whs1">aPredicate.SetNumFunctor( \r
 819  aFunctor )</p>\r
 820 \r
 821 <p class="whs1">aPredicate.SetMargin( \r
 822  20 )</p>\r
 823 \r
 824 <p class="whs1">&nbsp;</p>\r
 825 \r
 826 <p class="whs1">aFilter = aFilterMgr.CreateFilter()</p>\r
 827 \r
 828 <p class="whs1">aFilter.SetPredicate( \r
 829  aPredicate )</p>\r
 830 \r
 831 <p class="whs1">&nbsp;</p>\r
 832 \r
 833 <p class="whs1">anIds = aFilter.GetElementsId( \r
 834  mesh )</p>\r
 835 \r
 836 <p class="whs1">&nbsp;</p>\r
 837 \r
 838 <p class="whs2"># create a group by adding \r
 839  elements with area &gt; 20</p>\r
 840 \r
 841 <p class="whs1">aGroup1 = mesh.CreateGroup( \r
 842  SMESH.FACE, &quot;Area &gt; 20&quot; )</p>\r
 843 \r
 844 <p class="whs1">aGroup1.Add( anIds \r
 845  )</p>\r
 846 \r
 847 <p class="whs1">&nbsp;</p>\r
 848 \r
 849 <p class="whs1">print &quot;Criterion: \r
 850  Area &gt; 20 Nb = &quot;, len( anIds )</p>\r
 851 \r
 852 <p class="whs1">for i in range( \r
 853  len( anIds ) ):</p>\r
 854 \r
 855 <p class="whs1">&nbsp;&nbsp;print \r
 856  anIds[ i ]</p>\r
 857 \r
 858 <p class="whs1">&nbsp;</p>\r
 859 \r
 860 <p class="whs2"># Criterion : AREA &lt; \r
 861  60</p>\r
 862 \r
 863 <p class="whs2">&nbsp;</p>\r
 864 \r
 865 <p class="whs1">aFunctor = aFilterMgr.CreateArea()</p>\r
 866 \r
 867 <p class="whs1">aPredicate = aFilterMgr.CreateLessThan()</p>\r
 868 \r
 869 <p class="whs1">aPredicate.SetNumFunctor( \r
 870  aFunctor )</p>\r
 871 \r
 872 <p class="whs1">aPredicate.SetMargin( \r
 873  60 )</p>\r
 874 \r
 875 <p class="whs1">&nbsp;</p>\r
 876 \r
 877 <p class="whs1">aFilter = aFilterMgr.CreateFilter()</p>\r
 878 \r
 879 <p class="whs1">aFilter.SetPredicate( \r
 880  aPredicate )</p>\r
 881 \r
 882 <p class="whs1">&nbsp;</p>\r
 883 \r
 884 <p class="whs1">anIds = aFilter.GetElementsId( \r
 885  mesh )</p>\r
 886 \r
 887 <p class="whs1">&nbsp;</p>\r
 888 \r
 889 <p class="whs2"># create a group by adding \r
 890  elements with area &lt; 60</p>\r
 891 \r
 892 <p class="whs1">aGroup2 = mesh.CreateGroup( \r
 893  SMESH.FACE, &quot;Area &lt; 60&quot; )</p>\r
 894 \r
 895 <p class="whs1">aGroup2.Add( anIds \r
 896  )</p>\r
 897 \r
 898 <p class="whs1">&nbsp;</p>\r
 899 \r
 900 <p class="whs1">print &quot;Criterion: \r
 901  Area &lt; 60 Nb = &quot;, len( anIds )</p>\r
 902 \r
 903 <p class="whs1">for i in range( \r
 904  len( anIds ) ):</p>\r
 905 \r
 906 <p class="whs1">&nbsp;&nbsp;print \r
 907  anIds[ i ]</p>\r
 908 \r
 909 <p class="whs2">&nbsp;&nbsp;</p>\r
 910 \r
 911 <p class="whs2"># create an intersection \r
 912  of groups : 20 &lt; area &lt; 60</p>\r
 913 \r
 914 <p class="whs1">aGroup3 = mesh.IntersectGroups(aGroup1, \r
 915  aGroup2, &quot;20 &lt; Area &lt; 60&quot;)</p>\r
 916 \r
 917 <p class="whs1">print &quot;Criterion: \r
 918  20 &lt; Area &lt; 60 Nb = &quot;, len( aGroup3.GetListOfID() )</p>\r
 919 \r
 920 <p class="whs1">&nbsp;</p>\r
 921 \r
 922 <p class="whs2"><span style="font-family: 'Lucida Console', monospace;">salome.sg.updateObjBrowser(1)</span> \r
 923  </p>\r
 924 \r
 925 <p class="whs2">&nbsp;</p>\r
 926 \r
 927 <p class="whs2"><img src="pics/intersect_groups1.png" x-maintain-ratio="TRUE" width="314px" height="351px" border="0" class="img_whs9"> &nbsp;<img src="pics/intersect_groups2.png" x-maintain-ratio="TRUE" width="319px" height="351px" border="0" class="img_whs10"> &nbsp;<img src="pics/intersect_groups3.png" x-maintain-ratio="TRUE" width="304px" height="352px" border="0" class="img_whs11"></p>\r
 928 \r
 929 <h3><a name=bookmark4>Cut of two groups</a></h3>\r
 930 \r
 931 <p class="whs1">import SMESH</p>\r
 932 \r
 933 <p class="whs1">import SMESH_mechanic</p>\r
 934 \r
 935 <p class="whs1">&nbsp;</p>\r
 936 \r
 937 <p class="whs1">smesh &nbsp;= \r
 938  SMESH_mechanic.smesh</p>\r
 939 \r
 940 <p class="whs1">mesh &nbsp;&nbsp;= \r
 941  SMESH_mechanic.mesh</p>\r
 942 \r
 943 <p class="whs1">salome = SMESH_mechanic.salome</p>\r
 944 \r
 945 <p class="whs1">&nbsp;</p>\r
 946 \r
 947 <p class="whs1">aFilterMgr = smesh.CreateFilterManager()</p>\r
 948 \r
 949 <p class="whs1">&nbsp;</p>\r
 950 \r
 951 <p class="whs2"># Criterion : AREA &gt; \r
 952  20</p>\r
 953 \r
 954 <p class="whs2">&nbsp;</p>\r
 955 \r
 956 <p class="whs1">aFunctor = aFilterMgr.CreateArea()</p>\r
 957 \r
 958 <p class="whs1">aPredicate = aFilterMgr.CreateMoreThan()</p>\r
 959 \r
 960 <p class="whs1">aPredicate.SetNumFunctor( \r
 961  aFunctor )</p>\r
 962 \r
 963 <p class="whs1">aPredicate.SetMargin( \r
 964  20 )</p>\r
 965 \r
 966 <p class="whs1">&nbsp;</p>\r
 967 \r
 968 <p class="whs1">aFilter = aFilterMgr.CreateFilter()</p>\r
 969 \r
 970 <p class="whs1">aFilter.SetPredicate( \r
 971  aPredicate )</p>\r
 972 \r
 973 <p class="whs1">&nbsp;</p>\r
 974 \r
 975 <p class="whs1">anIds = aFilter.GetElementsId( \r
 976  mesh )</p>\r
 977 \r
 978 <p class="whs1">&nbsp;</p>\r
 979 \r
 980 <p class="whs2"># create a group by adding \r
 981  elements with area &gt; 20</p>\r
 982 \r
 983 <p class="whs1">aGroupMain = mesh.CreateGroup( \r
 984  SMESH.FACE, &quot;Area &gt; 20&quot; )</p>\r
 985 \r
 986 <p class="whs1">aGroupMain.Add( \r
 987  anIds )</p>\r
 988 \r
 989 <p class="whs1">&nbsp;</p>\r
 990 \r
 991 <p class="whs1">print &quot;Criterion: \r
 992  Area &gt; 20 Nb = &quot;, len( anIds )</p>\r
 993 \r
 994 <p class="whs1">for i in range( \r
 995  len( anIds ) ):</p>\r
 996 \r
 997 <p class="whs1">&nbsp;&nbsp;print \r
 998  anIds[ i ]</p>\r
 999 \r
1000 <p class="whs1">&nbsp;</p>\r
1001 \r
1002 <p class="whs2"># Criterion : AREA &lt; \r
1003  60</p>\r
1004 \r
1005 <p class="whs2">&nbsp;</p>\r
1006 \r
1007 <p class="whs1">aFunctor = aFilterMgr.CreateArea()</p>\r
1008 \r
1009 <p class="whs1">aPredicate = aFilterMgr.CreateLessThan()</p>\r
1010 \r
1011 <p class="whs1">aPredicate.SetNumFunctor( \r
1012  aFunctor )</p>\r
1013 \r
1014 <p class="whs1">aPredicate.SetMargin( \r
1015  60 )</p>\r
1016 \r
1017 <p class="whs1">&nbsp;</p>\r
1018 \r
1019 <p class="whs1">aFilter = aFilterMgr.CreateFilter()</p>\r
1020 \r
1021 <p class="whs1">aFilter.SetPredicate( \r
1022  aPredicate )</p>\r
1023 \r
1024 <p class="whs1">&nbsp;</p>\r
1025 \r
1026 <p class="whs1">anIds = aFilter.GetElementsId( \r
1027  mesh )</p>\r
1028 \r
1029 <p class="whs1">&nbsp;</p>\r
1030 \r
1031 <p class="whs2"># create a group by adding \r
1032  elements with area &lt; 60</p>\r
1033 \r
1034 <p class="whs1">aGroupTool = mesh.CreateGroup( \r
1035  SMESH.FACE, &quot;Area &lt; 60&quot; )</p>\r
1036 \r
1037 <p class="whs1">aGroupTool.Add( \r
1038  anIds )</p>\r
1039 \r
1040 <p class="whs1">&nbsp;</p>\r
1041 \r
1042 <p class="whs1">print &quot;Criterion: \r
1043  Area &lt; 60 Nb = &quot;, len( anIds )</p>\r
1044 \r
1045 <p class="whs1">for i in range( \r
1046  len( anIds ) ):</p>\r
1047 \r
1048 <p class="whs1">&nbsp;&nbsp;print \r
1049  anIds[ i ]</p>\r
1050 \r
1051 <p class="whs2">&nbsp;&nbsp;</p>\r
1052 \r
1053 <p class="whs2"># create an intersection \r
1054  of groups : area &gt;= 60</p>\r
1055 \r
1056 <p class="whs1">aGroupRes = mesh.CutGroups(aGroupMain, \r
1057  aGroupTool, &quot;Area &gt;= 60&quot;)</p>\r
1058 \r
1059 <p class="whs1">print &quot;Criterion: \r
1060  Area &gt;= 60 Nb = &quot;, len( aGroupRes.GetListOfID() )</p>\r
1061 \r
1062 <p class="whs1">&nbsp;</p>\r
1063 \r
1064 <p class="whs1">salome.sg.updateObjBrowser(1) \r
1065  </p>\r
1066 \r
1067 <p class="whs1">&nbsp;</p>\r
1068 \r
1069 <p class="whs2"><img src="pics/cut_groups1.png" x-maintain-ratio="TRUE" width="318px" height="355px" border="0" class="img_whs12"> &nbsp;<img src="pics/cut_groups2.png" x-maintain-ratio="TRUE" width="318px" height="355px" border="0" class="img_whs13"> &nbsp;<img src="pics/cut_groups3.png" x-maintain-ratio="TRUE" width="320px" height="354px" border="0" class="img_whs14"></p>\r
1070 \r
1071 <script type="text/javascript" language="javascript1.2">\r
1072 <!--\r
1073 if (window.writeIntopicBar)\r
1074         writeIntopicBar(0);\r
1075 //-->\r
1076 </script>\r
1077 </body>\r
1078 </html>\r