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91 <h1>Grouping Elements</h1>
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93 <h3><a name=bookmark>Create a Standalone Group</a></h3>
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95 <p class="whs1"> </p>
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97 <p class="whs1">import SMESH</p>
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99 <p class="whs1">import SMESH_mechanic</p>
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101 <p class="whs1"> </p>
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103 <p class="whs1">smesh =
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104 SMESH_mechanic.smesh</p>
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106 <p class="whs1">mesh =
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107 SMESH_mechanic.mesh</p>
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109 <p class="whs1">salome = SMESH_mechanic.salome</p>
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111 <p class="whs1"> </p>
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113 <p class="whs1">aFilterMgr = smesh.CreateFilterManager()</p>
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115 <p class="whs1"> </p>
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117 <p class="whs2"># Criterion : AREA >
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120 <p class="whs1"> </p>
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122 <p class="whs1">aFunctor = aFilterMgr.CreateArea()</p>
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124 <p class="whs1">aPredicate = aFilterMgr.CreateMoreThan()</p>
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126 <p class="whs1">aPredicate.SetNumFunctor(
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129 <p class="whs1">aPredicate.SetMargin(
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132 <p class="whs1"> </p>
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134 <p class="whs1">aFilter = aFilterMgr.CreateFilter()</p>
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136 <p class="whs1">aFilter.SetPredicate(
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139 <p class="whs1"> </p>
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141 <p class="whs1">anIds = aFilter.GetElementsId(
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144 <p class="whs2"> </p>
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146 <p class="whs2"># print the result</p>
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148 <p class="whs1">print "Criterion:
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149 Area > 100 Nb = ", len( anIds )</p>
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151 <p class="whs1">for i in range(
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152 len( anIds ) ):</p>
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154 <p class="whs1"> print
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157 <p class="whs1"> </p>
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159 <p class="whs2"># create a group consisting
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160 of faces with area > 100</p>
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162 <p class="whs1">aGroup = mesh.CreateGroup(
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163 SMESH.FACE, "Area > 100" )</p>
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165 <p class="whs1">aGroup.Add( anIds
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168 <p class="whs1"> </p>
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170 <p class="whs2"><span style="font-family: 'Lucida Console', monospace;">salome.sg.updateObjBrowser(1)</span>
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173 <p class="whs2"> </p>
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175 <p class="whs2"><img src="pics/create_group.png" x-maintain-ratio="TRUE" width="430px" height="391px" border="0" class="img_whs3"></p>
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177 <h4><a name=bookmark5>Create a Group on Geometry</a></h4>
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179 <p class="whs1">import salome</p>
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181 <p class="whs1">import geompy</p>
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183 <p class="whs1"> </p>
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185 <p class="whs1">import StdMeshers</p>
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187 <p class="whs1"> </p>
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189 <p class="whs1">smesh = salome.lcc.FindOrLoadComponent("FactoryServer",
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190 "SMESH")</p>
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192 <p class="whs1"> </p>
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194 <p class="whs1">smeshgui = salome.ImportComponentGUI("SMESH")</p>
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196 <p class="whs1">smeshgui.Init(salome.myStudyId);</p>
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198 <p class="whs2"> </p>
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200 <p class="whs2"># create a box</p>
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202 <p class="whs1">box = geompy.MakeBox(0.,
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203 0., 0., 100., 100., 100.)</p>
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205 <p class="whs2"> </p>
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207 <p class="whs2"># add the box to the study</p>
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209 <p class="whs1">idbox = geompy.addToStudy(box,
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210 "box")</p>
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212 <p class="whs2"> </p>
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214 <p class="whs2"># add the first face of
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215 the box to the study</p>
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217 <p class="whs1">subShapeList = geompy.SubShapeAll(box,
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218 geompy.ShapeType["FACE"])</p>
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220 <p class="whs1">face = subShapeList[0]</p>
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222 <p class="whs1">name = geompy.SubShapeName(face,
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225 <p class="whs1">idface = geompy.addToStudyInFather(box,
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228 <p class="whs2"> </p>
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230 <p class="whs2"># create a hypothesis</p>
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232 <p class="whs1">print "--------------------------
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233 create Hypothesis"</p>
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235 <p class="whs1"> </p>
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237 <p class="whs1">print "--------------------------
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238 NumberOfSegments"</p>
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240 <p class="whs1">numberOfSegments
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243 <p class="whs1"> </p>
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245 <p class="whs1">hypNbSeg = smesh.CreateHypothesis("NumberOfSegments",
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246 "libStdMeshersEngine.so")</p>
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248 <p class="whs1">hypNbSeg.SetNumberOfSegments(numberOfSegments)</p>
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250 <p class="whs1"> </p>
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252 <p class="whs1">print hypNbSeg.GetName()</p>
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254 <p class="whs1">print hypNbSeg.GetId()</p>
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256 <p class="whs1">print hypNbSeg.GetNumberOfSegments()</p>
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258 <p class="whs1"> </p>
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260 <p class="whs1">smeshgui.SetName(salome.ObjectToID(hypNbSeg),
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261 "NumberOfSegments_10")</p>
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263 <p class="whs1"> </p>
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265 <p class="whs1">print "--------------------------
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266 MaxElementArea"</p>
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268 <p class="whs1">maxElementArea =
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271 <p class="whs1"> </p>
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273 <p class="whs1">hypArea = smesh.CreateHypothesis("MaxElementArea",
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274 "libStdMeshersEngine.so")</p>
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276 <p class="whs1">hypArea.SetMaxElementArea(maxElementArea)</p>
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278 <p class="whs1"> </p>
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280 <p class="whs1">print hypArea.GetName()</p>
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282 <p class="whs1">print hypArea.GetId()</p>
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284 <p class="whs1">print hypArea.GetMaxElementArea()</p>
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286 <p class="whs1"> </p>
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288 <p class="whs1">smeshgui.SetName(salome.ObjectToID(hypArea),
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289 "MaxElementArea_500")</p>
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291 <p class="whs1"> </p>
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293 <p class="whs1">print "--------------------------
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294 MaxElementVolume"</p>
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296 <p class="whs1">maxElementVolume
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299 <p class="whs1"> </p>
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301 <p class="whs1">hypVolume = smesh.CreateHypothesis("MaxElementVolume",
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302 "libStdMeshersEngine.so")</p>
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304 <p class="whs1">hypVolume.SetMaxElementVolume(maxElementVolume)</p>
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306 <p class="whs2"> </p>
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308 <p class="whs1">print hypVolume.GetName()</p>
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310 <p class="whs1">print hypVolume.GetId()</p>
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312 <p class="whs1">print hypVolume.GetMaxElementVolume()</p>
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314 <p class="whs1"> </p>
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316 <p class="whs1">smeshgui.SetName(salome.ObjectToID(hypVolume),
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317 "MaxElementVolume_500")</p>
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319 <p class="whs2"> </p>
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321 <p class="whs2"># create algorithms</p>
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323 <p class="whs1">print "--------------------------
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324 create Algorithms"</p>
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326 <p class="whs1"> </p>
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328 <p class="whs1">print "--------------------------
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329 Regular_1D"</p>
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331 <p class="whs1">regular1D = smesh.CreateHypothesis("Regular_1D",
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332 "libStdMeshersEngine.so")</p>
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334 <p class="whs1">smeshgui.SetName(salome.ObjectToID(regular1D),
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335 "Wire Discretisation")</p>
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337 <p class="whs1"> </p>
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339 <p class="whs1">print "--------------------------
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340 Quadrangle_2D"</p>
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342 <p class="whs1">quad2D = smesh.CreateHypothesis("Quadrangle_2D",
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343 "libStdMeshersEngine.so")</p>
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345 <p class="whs1">smeshgui.SetName(salome.ObjectToID(quad2D),
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346 "Quadrangle_2D")</p>
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348 <p class="whs2"> </p>
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350 <p class="whs2"># initialize a mesh with
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353 <p class="whs1">mesh = smesh.CreateMesh(box)</p>
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355 <p class="whs1">smeshgui.SetName(salome.ObjectToID(mesh),
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356 "MeshBox")</p>
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358 <p class="whs2"> </p>
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360 <p class="whs2"># add a hypothesis to the
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363 <p class="whs1">print "--------------------------
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364 add hypothesis to the box"</p>
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366 <p class="whs1">mesh.AddHypothesis(box,hypNbSeg)</p>
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368 <p class="whs1">mesh.AddHypothesis(box,hypArea)</p>
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370 <p class="whs1">mesh.AddHypothesis(box,hypVolume)</p>
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372 <p class="whs1">mesh.AddHypothesis(box,regular1D)</p>
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374 <p class="whs1">mesh.AddHypothesis(box,quad2D)</p>
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376 <p class="whs2"> </p>
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378 <p class="whs2"># compute the mesh</p>
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380 <p class="whs1">print "--------------------------
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381 compute the mesh of the box"</p>
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383 <p class="whs1">ret = smesh.Compute(mesh,box)</p>
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385 <p class="whs1">print ret</p>
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387 <p class="whs1">if ret == 0:</p>
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389 <p class="whs1"> print
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390 "probleme when computing the mesh"</p>
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392 <p class="whs2"> </p>
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394 <p class="whs2"># create geometry groups
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397 <p class="whs1">aGeomGroup1 = geompy.CreateGroup(face
\r
398 , geompy.ShapeType["FACE"])</p>
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400 <p class="whs1">geompy.AddObject(aGeomGroup1,
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403 <p class="whs1"> </p>
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405 <p class="whs1">aGeomGroup2 = geompy.CreateGroup(face
\r
406 , geompy.ShapeType["EDGE"])</p>
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408 <p class="whs1"> </p>
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410 <p class="whs1">geompy.AddObject(aGeomGroup2,
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413 <p class="whs1">geompy.AddObject(aGeomGroup2,
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416 <p class="whs1">geompy.AddObject(aGeomGroup2,
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419 <p class="whs1">geompy.AddObject(aGeomGroup2,
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422 <p class="whs1"> </p>
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424 <p class="whs1">geompy.addToStudy(aGeomGroup1,
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425 "Group on Faces")</p>
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427 <p class="whs1">geompy.addToStudy(aGeomGroup2,
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428 "Group on Edges")</p>
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430 <p class="whs1"> </p>
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432 <p class="whs1">aSmeshGroup1 = mesh.CreateGroupFromGEOM(SMESH.FACE,
\r
433 "SMESHGroup1", aGeomGroup1)</p>
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435 <p class="whs1">aSmeshGroup2 = mesh.CreateGroupFromGEOM(SMESH.EDGE,
\r
436 "SMESHGroup2", aGeomGroup2)</p>
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438 <p class="whs1"> </p>
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440 <p class="whs2"><span style="font-family: 'Lucida Console', monospace;">salome.sg.updateObjBrowser(1)</span>
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443 <p class="whs2"> </p>
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445 <h3><a name=bookmark1>Edit a Group</a></h3>
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447 <p class="whs1">import SMESH</p>
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449 <p class="whs1">import SMESH_mechanic</p>
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451 <p class="whs1"> </p>
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453 <p class="whs1">smesh =
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454 SMESH_mechanic.smesh</p>
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456 <p class="whs1">mesh =
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457 SMESH_mechanic.mesh</p>
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459 <p class="whs1">salome = SMESH_mechanic.salome</p>
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461 <p class="whs1"> </p>
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463 <p class="whs1">aFilterMgr = smesh.CreateFilterManager()</p>
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465 <p class="whs1"> </p>
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467 <p class="whs2"># Criterion : AREA >
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470 <p class="whs2"> </p>
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472 <p class="whs1">aFunctor = aFilterMgr.CreateArea()</p>
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474 <p class="whs1">aPredicate = aFilterMgr.CreateMoreThan()</p>
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476 <p class="whs1">aPredicate.SetNumFunctor(
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479 <p class="whs1">aPredicate.SetMargin(
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482 <p class="whs1"> </p>
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484 <p class="whs1">aFilter = aFilterMgr.CreateFilter()</p>
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486 <p class="whs1">aFilter.SetPredicate(
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489 <p class="whs1"> </p>
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491 <p class="whs1">anIds = aFilter.GetElementsId(
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494 <p class="whs1"> </p>
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496 <p class="whs2"># create a group by adding
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497 elements with area > 20</p>
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499 <p class="whs1">aGroup = mesh.CreateGroup(
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500 SMESH.FACE, "Area > 20" )</p>
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502 <p class="whs1">aGroup.Add( anIds
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505 <p class="whs1"> </p>
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507 <p class="whs1">print "Criterion:
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508 Area > 20 Nb = ", len( anIds )</p>
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510 <p class="whs1">for i in range(
\r
511 len( anIds ) ):</p>
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513 <p class="whs1"> print
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516 <p class="whs1"> </p>
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518 <p class="whs2"># Criterion : AREA >
\r
521 <p class="whs2"> </p>
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523 <p class="whs1">aFunctor = aFilterMgr.CreateArea()</p>
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525 <p class="whs1">aPredicate = aFilterMgr.CreateMoreThan()</p>
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527 <p class="whs1">aPredicate.SetNumFunctor(
\r
530 <p class="whs1">aPredicate.SetMargin(
\r
533 <p class="whs1"> </p>
\r
535 <p class="whs1">aFilter = aFilterMgr.CreateFilter()</p>
\r
537 <p class="whs1">aFilter.SetPredicate(
\r
540 <p class="whs1"> </p>
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542 <p class="whs1">anIds = aFilter.GetElementsId(
\r
545 <p class="whs2"> </p>
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547 <p class="whs2"># create a group of elements
\r
548 with area [20; 60] by removing elements with area > 60 from group
\r
551 <p class="whs1">aGroup.Remove(anIds)</p>
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553 <p class="whs2"> </p>
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555 <p class="whs2"># print the result</p>
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557 <p class="whs1">aGroupElemIDs =
\r
558 aGroup.GetListOfID()</p>
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560 <p class="whs1">print "Criterion:
\r
561 20 < Area < 60 = ", len( aGroupElemIDs )</p>
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563 <p class="whs1">for i in range(
\r
564 len( aGroupElemIDs ) ):</p>
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566 <p class="whs1"> print
\r
567 aGroupElemIDs[ i ]</p>
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569 <p class="whs1"> </p>
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571 <p class="whs2"><span style="font-family: 'Lucida Console', monospace;">salome.sg.updateObjBrowser(1)</span>
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574 <p class="whs2"> </p>
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576 <p class="whs2"><img src="pics/editing_groups1.png" x-maintain-ratio="TRUE" width="463px" height="417px" border="0" class="img_whs4"> <img src="pics/editing_groups2.png" x-maintain-ratio="TRUE" width="541px" height="417px" border="0" class="img_whs5"></p>
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578 <h3><a name=bookmark2>Union of two groups</a></h3>
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580 <p class="whs1">import SMESH</p>
\r
582 <p class="whs1">import SMESH_mechanic</p>
\r
584 <p class="whs1"> </p>
\r
586 <p class="whs1">smesh =
\r
587 SMESH_mechanic.smesh</p>
\r
589 <p class="whs1">mesh =
\r
590 SMESH_mechanic.mesh</p>
\r
592 <p class="whs1">salome = SMESH_mechanic.salome</p>
\r
594 <p class="whs1"> </p>
\r
596 <p class="whs1">aFilterMgr = smesh.CreateFilterManager()</p>
\r
598 <p class="whs1"> </p>
\r
600 <p class="whs2"># Criterion : AREA >
\r
603 <p class="whs2"> </p>
\r
605 <p class="whs1">aFunctor = aFilterMgr.CreateArea()</p>
\r
607 <p class="whs1">aPredicate = aFilterMgr.CreateMoreThan()</p>
\r
609 <p class="whs1">aPredicate.SetNumFunctor(
\r
612 <p class="whs1">aPredicate.SetMargin(
\r
615 <p class="whs1"> </p>
\r
617 <p class="whs1">aFilter = aFilterMgr.CreateFilter()</p>
\r
619 <p class="whs1">aFilter.SetPredicate(
\r
622 <p class="whs1"> </p>
\r
624 <p class="whs1">anIds = aFilter.GetElementsId(
\r
627 <p class="whs1"> </p>
\r
629 <p class="whs2"># create a group by adding
\r
630 elements with area > 20</p>
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632 <p class="whs1">aGroup1 = mesh.CreateGroup(
\r
633 SMESH.FACE, "Area > 20" )</p>
\r
635 <p class="whs1">aGroup1.Add( anIds
\r
638 <p class="whs1"> </p>
\r
640 <p class="whs1">print "Criterion:
\r
641 Area > 20 Nb = ", len( anIds )</p>
\r
643 <p class="whs1">for i in range(
\r
644 len( anIds ) ):</p>
\r
646 <p class="whs1"> print
\r
649 <p class="whs1"> </p>
\r
651 <p class="whs2"># Criterion : AREA = 20</p>
\r
653 <p class="whs2"> </p>
\r
655 <p class="whs1">aFunctor = aFilterMgr.CreateArea()</p>
\r
657 <p class="whs1">aPredicate = aFilterMgr.CreateEqualTo()</p>
\r
659 <p class="whs1">aPredicate.SetNumFunctor(
\r
662 <p class="whs1">aPredicate.SetMargin(
\r
665 <p class="whs1"> </p>
\r
667 <p class="whs1">aFilter = aFilterMgr.CreateFilter()</p>
\r
669 <p class="whs1">aFilter.SetPredicate(
\r
672 <p class="whs1"> </p>
\r
674 <p class="whs1">anIds = aFilter.GetElementsId(
\r
677 <p class="whs2"> </p>
\r
679 <p class="whs2"># create a group by adding
\r
680 elements with area > 20</p>
\r
682 <p class="whs1">aGroup2 = mesh.CreateGroup(
\r
683 SMESH.FACE, "Area = 20" )</p>
\r
685 <p class="whs1">aGroup2.Add( anIds
\r
688 <p class="whs1"> </p>
\r
690 <p class="whs1">print "Criterion:
\r
691 Area = 20 Nb = ", len( anIds )</p>
\r
693 <p class="whs1">for i in range(
\r
694 len( anIds ) ):</p>
\r
696 <p class="whs1"> print
\r
699 <p class="whs2"> </p>
\r
701 <p class="whs2"># create union group :
\r
704 <p class="whs1">aGroup3 = mesh.UnionGroups(aGroup1,
\r
705 aGroup2, "Area >= 20")</p>
\r
707 <p class="whs1">print "Criterion:
\r
708 Area >= 20 Nb = ", len( aGroup3.GetListOfID() )</p>
\r
710 <p class="whs1"> </p>
\r
712 <p class="whs2"># Criterion : AREA <
\r
715 <p class="whs2"> </p>
\r
717 <p class="whs1">aFunctor = aFilterMgr.CreateArea()</p>
\r
719 <p class="whs1">aPredicate = aFilterMgr.CreateLessThan()</p>
\r
721 <p class="whs1">aPredicate.SetNumFunctor(
\r
724 <p class="whs1">aPredicate.SetMargin(
\r
727 <p class="whs1"> </p>
\r
729 <p class="whs1">aFilter = aFilterMgr.CreateFilter()</p>
\r
731 <p class="whs1">aFilter.SetPredicate(
\r
734 <p class="whs1"> </p>
\r
736 <p class="whs1">anIds = aFilter.GetElementsId(
\r
739 <p class="whs1"> </p>
\r
741 <p class="whs2"># create a group by adding
\r
742 elements with area < 20</p>
\r
744 <p class="whs1">aGroup4 = mesh.CreateGroup(
\r
745 SMESH.FACE, "Area < 20" )</p>
\r
747 <p class="whs1">aGroup4.Add( anIds
\r
750 <p class="whs1"> </p>
\r
752 <p class="whs1">print "Criterion:
\r
753 Area < 20 Nb = ", len( anIds )</p>
\r
755 <p class="whs1">for i in range(
\r
756 len( anIds ) ):</p>
\r
758 <p class="whs1"> print
\r
761 <p class="whs2"> </p>
\r
763 <p class="whs2"># create union group :
\r
764 area >= 20 and area < 20</p>
\r
766 <p class="whs1">aGroup5 = mesh.UnionGroups(aGroup3,
\r
767 aGroup4, "Any Area")</p>
\r
769 <p class="whs1">print "Criterion:
\r
770 Any Area Nb = ", len( aGroup5.GetListOfID() )</p>
\r
772 <p class="whs1"> </p>
\r
774 <p class="whs1">salome.sg.updateObjBrowser(1)
\r
777 <p class="whs1"> </p>
\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
781 <p class="whs1"> </p>
\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
785 <p class="whs1"> </p>
\r
787 <h3><a name=bookmark3>Intersection of two groups</a></h3>
\r
789 <p class="whs1">import SMESH</p>
\r
791 <p class="whs1">import SMESH_mechanic</p>
\r
793 <p class="whs1"> </p>
\r
795 <p class="whs1">smesh =
\r
796 SMESH_mechanic.smesh</p>
\r
798 <p class="whs1">mesh =
\r
799 SMESH_mechanic.mesh</p>
\r
801 <p class="whs1">salome = SMESH_mechanic.salome</p>
\r
803 <p class="whs1"> </p>
\r
805 <p class="whs1">aFilterMgr = smesh.CreateFilterManager()</p>
\r
807 <p class="whs1"> </p>
\r
809 <p class="whs2"># Criterion : AREA >
\r
812 <p class="whs2"> </p>
\r
814 <p class="whs1">aFunctor = aFilterMgr.CreateArea()</p>
\r
816 <p class="whs1">aPredicate = aFilterMgr.CreateMoreThan()</p>
\r
818 <p class="whs1">aPredicate.SetNumFunctor(
\r
821 <p class="whs1">aPredicate.SetMargin(
\r
824 <p class="whs1"> </p>
\r
826 <p class="whs1">aFilter = aFilterMgr.CreateFilter()</p>
\r
828 <p class="whs1">aFilter.SetPredicate(
\r
831 <p class="whs1"> </p>
\r
833 <p class="whs1">anIds = aFilter.GetElementsId(
\r
836 <p class="whs1"> </p>
\r
838 <p class="whs2"># create a group by adding
\r
839 elements with area > 20</p>
\r
841 <p class="whs1">aGroup1 = mesh.CreateGroup(
\r
842 SMESH.FACE, "Area > 20" )</p>
\r
844 <p class="whs1">aGroup1.Add( anIds
\r
847 <p class="whs1"> </p>
\r
849 <p class="whs1">print "Criterion:
\r
850 Area > 20 Nb = ", len( anIds )</p>
\r
852 <p class="whs1">for i in range(
\r
853 len( anIds ) ):</p>
\r
855 <p class="whs1"> print
\r
858 <p class="whs1"> </p>
\r
860 <p class="whs2"># Criterion : AREA <
\r
863 <p class="whs2"> </p>
\r
865 <p class="whs1">aFunctor = aFilterMgr.CreateArea()</p>
\r
867 <p class="whs1">aPredicate = aFilterMgr.CreateLessThan()</p>
\r
869 <p class="whs1">aPredicate.SetNumFunctor(
\r
872 <p class="whs1">aPredicate.SetMargin(
\r
875 <p class="whs1"> </p>
\r
877 <p class="whs1">aFilter = aFilterMgr.CreateFilter()</p>
\r
879 <p class="whs1">aFilter.SetPredicate(
\r
882 <p class="whs1"> </p>
\r
884 <p class="whs1">anIds = aFilter.GetElementsId(
\r
887 <p class="whs1"> </p>
\r
889 <p class="whs2"># create a group by adding
\r
890 elements with area < 60</p>
\r
892 <p class="whs1">aGroup2 = mesh.CreateGroup(
\r
893 SMESH.FACE, "Area < 60" )</p>
\r
895 <p class="whs1">aGroup2.Add( anIds
\r
898 <p class="whs1"> </p>
\r
900 <p class="whs1">print "Criterion:
\r
901 Area < 60 Nb = ", len( anIds )</p>
\r
903 <p class="whs1">for i in range(
\r
904 len( anIds ) ):</p>
\r
906 <p class="whs1"> print
\r
909 <p class="whs2"> </p>
\r
911 <p class="whs2"># create an intersection
\r
912 of groups : 20 < area < 60</p>
\r
914 <p class="whs1">aGroup3 = mesh.IntersectGroups(aGroup1,
\r
915 aGroup2, "20 < Area < 60")</p>
\r
917 <p class="whs1">print "Criterion:
\r
918 20 < Area < 60 Nb = ", len( aGroup3.GetListOfID() )</p>
\r
920 <p class="whs1"> </p>
\r
922 <p class="whs2"><span style="font-family: 'Lucida Console', monospace;">salome.sg.updateObjBrowser(1)</span>
\r
925 <p class="whs2"> </p>
\r
927 <p class="whs2"><img src="pics/intersect_groups1.png" x-maintain-ratio="TRUE" width="314px" height="351px" border="0" class="img_whs9"> <img src="pics/intersect_groups2.png" x-maintain-ratio="TRUE" width="319px" height="351px" border="0" class="img_whs10"> <img src="pics/intersect_groups3.png" x-maintain-ratio="TRUE" width="304px" height="352px" border="0" class="img_whs11"></p>
\r
929 <h3><a name=bookmark4>Cut of two groups</a></h3>
\r
931 <p class="whs1">import SMESH</p>
\r
933 <p class="whs1">import SMESH_mechanic</p>
\r
935 <p class="whs1"> </p>
\r
937 <p class="whs1">smesh =
\r
938 SMESH_mechanic.smesh</p>
\r
940 <p class="whs1">mesh =
\r
941 SMESH_mechanic.mesh</p>
\r
943 <p class="whs1">salome = SMESH_mechanic.salome</p>
\r
945 <p class="whs1"> </p>
\r
947 <p class="whs1">aFilterMgr = smesh.CreateFilterManager()</p>
\r
949 <p class="whs1"> </p>
\r
951 <p class="whs2"># Criterion : AREA >
\r
954 <p class="whs2"> </p>
\r
956 <p class="whs1">aFunctor = aFilterMgr.CreateArea()</p>
\r
958 <p class="whs1">aPredicate = aFilterMgr.CreateMoreThan()</p>
\r
960 <p class="whs1">aPredicate.SetNumFunctor(
\r
963 <p class="whs1">aPredicate.SetMargin(
\r
966 <p class="whs1"> </p>
\r
968 <p class="whs1">aFilter = aFilterMgr.CreateFilter()</p>
\r
970 <p class="whs1">aFilter.SetPredicate(
\r
973 <p class="whs1"> </p>
\r
975 <p class="whs1">anIds = aFilter.GetElementsId(
\r
978 <p class="whs1"> </p>
\r
980 <p class="whs2"># create a group by adding
\r
981 elements with area > 20</p>
\r
983 <p class="whs1">aGroupMain = mesh.CreateGroup(
\r
984 SMESH.FACE, "Area > 20" )</p>
\r
986 <p class="whs1">aGroupMain.Add(
\r
989 <p class="whs1"> </p>
\r
991 <p class="whs1">print "Criterion:
\r
992 Area > 20 Nb = ", len( anIds )</p>
\r
994 <p class="whs1">for i in range(
\r
995 len( anIds ) ):</p>
\r
997 <p class="whs1"> print
\r
1000 <p class="whs1"> </p>
\r
1002 <p class="whs2"># Criterion : AREA <
\r
1005 <p class="whs2"> </p>
\r
1007 <p class="whs1">aFunctor = aFilterMgr.CreateArea()</p>
\r
1009 <p class="whs1">aPredicate = aFilterMgr.CreateLessThan()</p>
\r
1011 <p class="whs1">aPredicate.SetNumFunctor(
\r
1014 <p class="whs1">aPredicate.SetMargin(
\r
1017 <p class="whs1"> </p>
\r
1019 <p class="whs1">aFilter = aFilterMgr.CreateFilter()</p>
\r
1021 <p class="whs1">aFilter.SetPredicate(
\r
1024 <p class="whs1"> </p>
\r
1026 <p class="whs1">anIds = aFilter.GetElementsId(
\r
1029 <p class="whs1"> </p>
\r
1031 <p class="whs2"># create a group by adding
\r
1032 elements with area < 60</p>
\r
1034 <p class="whs1">aGroupTool = mesh.CreateGroup(
\r
1035 SMESH.FACE, "Area < 60" )</p>
\r
1037 <p class="whs1">aGroupTool.Add(
\r
1040 <p class="whs1"> </p>
\r
1042 <p class="whs1">print "Criterion:
\r
1043 Area < 60 Nb = ", len( anIds )</p>
\r
1045 <p class="whs1">for i in range(
\r
1046 len( anIds ) ):</p>
\r
1048 <p class="whs1"> print
\r
1051 <p class="whs2"> </p>
\r
1053 <p class="whs2"># create an intersection
\r
1054 of groups : area >= 60</p>
\r
1056 <p class="whs1">aGroupRes = mesh.CutGroups(aGroupMain,
\r
1057 aGroupTool, "Area >= 60")</p>
\r
1059 <p class="whs1">print "Criterion:
\r
1060 Area >= 60 Nb = ", len( aGroupRes.GetListOfID() )</p>
\r
1062 <p class="whs1"> </p>
\r
1064 <p class="whs1">salome.sg.updateObjBrowser(1)
\r
1067 <p class="whs1"> </p>
\r
1069 <p class="whs2"><img src="pics/cut_groups1.png" x-maintain-ratio="TRUE" width="318px" height="355px" border="0" class="img_whs12"> <img src="pics/cut_groups2.png" x-maintain-ratio="TRUE" width="318px" height="355px" border="0" class="img_whs13"> <img src="pics/cut_groups3.png" x-maintain-ratio="TRUE" width="320px" height="354px" border="0" class="img_whs14"></p>
\r
1071 <script type="text/javascript" language="javascript1.2">
\r
1073 if (window.writeIntopicBar)
\r
1074 writeIntopicBar(0);
\r