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107 <h1>Modifying Meshes</h1>
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109 <h3><a name=bookmark>Adding Nodes and Elements</a></h3>
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113 <p class="whs1">import SMESH_mechanic</p>
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115 <p class="whs1"> </p>
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117 <p class="whs1">mesh = SMESH_mechanic.mesh</p>
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119 <p class="whs1"> </p>
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121 <p class="whs2"># add node</p>
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123 <p class="whs1"><span style="font-family: 'Lucida Console', monospace;">new_id
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124 = mesh.AddNode(50, 10, 0)</span></p>
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126 <p class="whs1">print ""</p>
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128 <p class="whs1">if new_id == 0:
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129 print "KO node addition."</p>
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131 <p class="whs1">else: print
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132 "New Node has been added with ID ", new_id </p>
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134 <p class="whs1"> </p>
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138 <p class="whs1">import SMESH_mechanic</p>
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140 <p class="whs1"> </p>
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142 <p class="whs1">mesh = SMESH_mechanic.mesh</p>
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144 <p class="whs1">print ""</p>
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146 <p class="whs1"> </p>
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148 <p class="whs2"># add node</p>
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150 <p class="whs1"><span style="font-family: 'Lucida Console', monospace;">n1
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151 = mesh.AddNode(50, 10, 0)</span></p>
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153 <p class="whs1">if n1 == 0: print
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154 "KO node addition." </p>
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156 <p class="whs1"> </p>
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158 <p class="whs2"># add edge</p>
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160 <p class="whs1"><span style="font-family: 'Lucida Console', monospace;">e1
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161 = mesh.AddEdge([n1, 38])</span></p>
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163 <p class="whs1">if e1 == 0: print
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164 "KO edge addition."</p>
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166 <p class="whs1">else: print
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167 "New Edge has been added with ID ", e1 </p>
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169 <h4>Add Triangle</h4>
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171 <p class="whs1">import SMESH_mechanic</p>
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173 <p class="whs1"> </p>
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175 <p class="whs1">mesh = SMESH_mechanic.mesh</p>
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177 <p class="whs1">print ""</p>
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179 <p class="whs1"> </p>
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181 <p class="whs2"># add node</p>
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183 <p class="whs1">n1 = mesh.AddNode(50,
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186 <p class="whs1">if n1 == 0: print
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187 "KO node addition."</p>
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189 <p class="whs1"> </p>
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191 <p class="whs2"># add triangle</p>
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193 <p class="whs1">t1 = mesh.AddFace([n1,
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196 <p class="whs1">if t1 == 0: print
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197 "KO triangle addition."</p>
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199 <p class="whs1">else: print
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200 "New Triangle has been added with ID ", t1 </p>
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202 <h4>Add Quadrangle</h4>
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204 <p class="whs1">import SMESH_mechanic</p>
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206 <p class="whs1"> </p>
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208 <p class="whs1">mesh = SMESH_mechanic.mesh</p>
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210 <p class="whs1">print ""</p>
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212 <p class="whs3"> </p>
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214 <p class="whs3"># add node</p>
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216 <p class="whs1">n1 = mesh.AddNode(50,
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219 <p class="whs1">if n1 == 0: print
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220 "KO node addition."</p>
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222 <p class="whs1"> </p>
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224 <p class="whs1">n2 = mesh.AddNode(40,
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227 <p class="whs1">if n2 == 0: print
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228 "KO node addition."</p>
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230 <p class="whs1"> </p>
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232 <p class="whs3"># add quadrangle</p>
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234 <p class="whs1">q1 = mesh.AddFace([n2,
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237 <p class="whs1">if q1 == 0: print
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238 "KO quadrangle addition."</p>
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240 <p class="whs3"><span style="font-family: 'Lucida Console', monospace;">else:
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241 print
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242 "New Quadrangle has been added with ID ", q1</span> </p>
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244 <h4>Add Tetrahedron</h4>
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246 <p class="whs1">import SMESH_mechanic</p>
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248 <p class="whs1"> </p>
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250 <p class="whs1">mesh = SMESH_mechanic.mesh</p>
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252 <p class="whs1">print ""</p>
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254 <p class="whs1"> </p>
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256 <p class="whs2"># add node</p>
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258 <p class="whs1">n1 = mesh.AddNode(50,
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261 <p class="whs1">if n1 == 0: print
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262 "KO node addition."</p>
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264 <p class="whs1"> </p>
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266 <p class="whs2"># add tetrahedron</p>
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268 <p class="whs1">t1 = mesh.AddVolume([n1,
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271 <p class="whs1">if t1 == 0: print
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272 "KO tetrahedron addition."</p>
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274 <p class="whs3"><span style="font-family: 'Lucida Console', monospace;">else:
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275 print
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276 "New Tetrahedron has been added with ID ", t1</span> </p>
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278 <h4>Add Hexahedron</h4>
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280 <p class="whs1">import SMESH_mechanic</p>
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282 <p class="whs1"> </p>
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284 <p class="whs1">mesh = SMESH_mechanic.mesh</p>
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286 <p class="whs1">print ""</p>
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288 <p class="whs1"> </p>
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290 <p class="whs2"># add nodes</p>
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292 <p class="whs1">nId1 = mesh.AddNode(50,
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295 <p class="whs1">nId2 = mesh.AddNode(47,
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298 <p class="whs1">nId3 = mesh.AddNode(50,
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301 <p class="whs1">nId4 = mesh.AddNode(47,
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304 <p class="whs1"> </p>
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306 <p class="whs1">if nId1 == 0 or
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307 nId2 == 0 or nId3 == 0 or nId4 == 0: print "KO node addition."</p>
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309 <p class="whs1"> </p>
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311 <p class="whs2"># add hexahedron</p>
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313 <p class="whs1">vId = mesh.AddVolume([nId2,
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314 nId1, 38, 39, nId4, nId3, 245, 246])</p>
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316 <p class="whs1">if vId == 0: print
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317 "KO Hexahedron addition."</p>
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319 <p class="whs1">else: print
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320 "New Hexahedron has been added with ID ", vId </p>
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322 <p class="whs1"> </p>
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324 <h4>Add Polygon</h4>
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326 <p class="whs1"><span style="font-family: 'Lucida Console', monospace;">import
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329 <p class="whs1">import salome</p>
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331 <p class="whs1"> </p>
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333 <p class="whs1">import smesh</p>
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335 <p class="whs1"> </p>
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337 <p class="whs2"># create an empty mesh
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340 <p class="whs1">mesh = smesh.Mesh()
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343 <p class="whs1"> </p>
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345 <p class="whs2"># a method to build
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346 a polygonal mesh element with <nb_vert> angles:</p>
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348 <p class="whs1">def MakePolygon
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349 (a_mesh, x0, y0, z0, radius, nb_vert):</p>
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351 <p class="whs1"> al
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352 = 2.0 * math.pi / nb_vert</p>
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354 <p class="whs1"> node_ids
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357 <p class="whs1"> </p>
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359 <p class="whs2"> #
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360 Create nodes for a polygon</p>
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362 <p class="whs1"> for
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363 ii in range(nb_vert):</p>
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365 <p class="whs1"> nid
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366 = mesh.AddNode(x0 + radius * math.cos(ii*al),</p>
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368 <p class="whs1"> y0
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369 + radius * math.sin(ii*al),</p>
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371 <p class="whs1"> z0)</p>
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373 <p class="whs1"> node_ids.append(nid)</p>
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375 <p class="whs1"> pass</p>
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377 <p class="whs1"> </p>
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379 <p class="whs2"> #
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380 Create a polygon</p>
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382 <p class="whs1"> return
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383 mesh.AddPolygonalFace(node_ids)</p>
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385 <p class="whs1"> </p>
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387 <p class="whs2"># Create three polygons</p>
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389 <p class="whs1">f1 = MakePolygon(mesh,
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393 <p class="whs1">f2 = MakePolygon(mesh,
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394 0, 0, 10, 21, 9)</p>
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396 <p class="whs1">f3 = MakePolygon(mesh,
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397 0, 0, 20, 13, 6)</p>
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399 <p class="whs1"> </p>
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401 <p class="whs1">salome.sg.updateObjBrowser(1)
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404 <h4>Add Polyhedron</h4>
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406 <p class="whs1"><span style="font-family: 'Lucida Console', monospace;">import
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409 <p class="whs1">import math</p>
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411 <p class="whs1"> </p>
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413 <p class="whs2"># create an empty mesh
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416 <p class="whs1">mesh = smesh.Mesh()
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419 <p class="whs1"> </p>
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421 <p class="whs2"># Create nodes for
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422 12-hedron with pentagonal faces</p>
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424 <p class="whs1">al = 2 * math.pi
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427 <p class="whs1">cosal = math.cos(al)</p>
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429 <p class="whs1">aa = 13</p>
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431 <p class="whs1">rr = aa / (2.0 *
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432 math.sin(al/2.0))</p>
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434 <p class="whs1">dr = 2.0 * rr *
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437 <p class="whs1">r1 = rr + dr</p>
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439 <p class="whs1">dh = rr * math.sqrt(2.0
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440 * (1.0 - cosal * (1.0 + 2.0 * cosal)))</p>
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442 <p class="whs1">hh = 2.0 * dh -
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443 dr * (rr*(cosal - 1) + (rr + dr)*(math.cos(al/2) - 1)) / dh</p>
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445 <p class="whs1"> </p>
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447 <p class="whs1">dd = [] <span style="font-family: 'Times New Roman', serif;">#
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450 <p class="whs1">cc = [] <span style="font-family: 'Times New Roman', serif;">#
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451 below top</span></p>
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453 <p class="whs1">bb = [] <span style="font-family: 'Times New Roman', serif;">#
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454 above bottom</span></p>
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456 <p class="whs1">aa = [] <span style="font-family: 'Times New Roman', serif;">#
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459 <p class="whs1"> </p>
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461 <p class="whs1">for i in range(5):</p>
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463 <p class="whs1"> cos_bot
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464 = math.cos(i*al)</p>
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466 <p class="whs1"> sin_bot
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467 = math.sin(i*al)</p>
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469 <p class="whs1"> </p>
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471 <p class="whs1"> <span
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472 style="margin-top: 0pt;
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473 margin-bottom: 0pt;
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474 font-family: 'Lucida Console', monospace;">cos_top
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475 = math.cos(i*al + al/2.0)</span></p>
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477 <p class="whs1"> sin_top
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478 = math.sin(i*al + al/2.0)</p>
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480 <p class="whs1"> </p>
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482 <p class="whs1"> nd
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483 = mesh.AddNode(rr * cos_top, rr * sin_top, hh )
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484 <span style="font-family: 'Times New Roman', serif;"># top</span></p>
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486 <p class="whs1"> nc
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487 = mesh.AddNode(r1 * cos_top, r1 * sin_top, hh - dh) <span style="font-family: 'Times New Roman', serif;">#
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488 below top</span></p>
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490 <p class="whs1"> nb
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491 = mesh.AddNode(r1 * cos_bot, r1 * sin_bot, dh)
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492 <span style="font-family: 'Times New Roman', serif;"># above bottom</span></p>
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494 <p class="whs1"> na
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495 = mesh.AddNode(rr * cos_bot, rr * sin_bot, 0)
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496 <span style="font-family: 'Times New Roman', serif;"># bottom</span></p>
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498 <p class="whs1"> dd.append(nd)
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499 <span style="font-family: 'Times New Roman', serif;"># top</span></p>
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501 <p class="whs1"> cc.append(nc)
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502 <span style="font-family: 'Times New Roman', serif;"># below top</span></p>
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504 <p class="whs1"> bb.append(nb)
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505 <span style="font-family: 'Times New Roman', serif;"># above bottom</span></p>
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507 <p class="whs1"> aa.append(na)
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508 <span style="font-family: 'Times New Roman', serif;"># bottom</span></p>
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510 <p class="whs1"> </p>
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512 <p class="whs1"> pass</p>
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514 <p class="whs1"> </p>
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516 <p class="whs2"># Create a polyhedral
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517 volume (12-hedron with pentagonal faces)</p>
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519 <p class="whs1">MeshEditor.AddPolyhedralVolume([dd[0],
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520 dd[1], dd[2], dd[3], dd[4], <span style="font-family: 'Times New Roman', serif;">#
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523 <p class="whs1"> dd[0],
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524 cc[0], bb[1], cc[1], dd[1], #
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527 <p class="whs1"> dd[1],
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528 cc[1], bb[2], cc[2], dd[2], #
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531 <p class="whs1"> dd[2],
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532 cc[2], bb[3], cc[3], dd[3], <span style="font-family: 'Times New Roman', serif;">#
\r
533 - below top</span></p>
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535 <p class="whs1"> dd[3],
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536 cc[3], bb[4], cc[4], dd[4], #
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539 <p class="whs1"> dd[4],
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540 cc[4], bb[0], cc[0], dd[0], #
\r
543 <p class="whs1"> aa[4],
\r
544 bb[4], cc[4], bb[0], aa[0], #
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547 <p class="whs1"> aa[3],
\r
548 bb[3], cc[3], bb[4], aa[4], #
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551 <p class="whs1"> aa[2],
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552 bb[2], cc[2], bb[3], aa[3], <span style="font-family: 'Times New Roman', serif;">#
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553 . above bottom</span></p>
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555 <p class="whs1"> aa[1],
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556 bb[1], cc[1], bb[2], aa[2], #
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559 <p class="whs1"> aa[0],
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560 bb[0], cc[0], bb[1], aa[1], #
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563 <p class="whs1"> aa[0],
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564 aa[1], aa[2], aa[3], aa[4]], <span style="font-family: 'Times New Roman', serif;">#
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567 <p class="whs1"> [5,5,5,5,5,5,5,5,5,5,5,5])</p>
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569 <p class="whs1">salome.sg.updateObjBrowser(1)
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572 <p class="whs1"> </p>
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574 <h3><a name=bookmark1>Removing Nodes and Elements</a></h3>
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576 <h4 class="whs4">Removing Nodes</h4>
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578 <p class="whs3"> </p>
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580 <p class="whs1"><span style="font-family: 'Lucida Console', monospace;">import
\r
581 SMESH_mechanic</span></p>
\r
583 <p class="whs1"> </p>
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585 <p class="whs1">mesh = SMESH_mechanic.mesh</p>
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587 <p class="whs1"> </p>
\r
589 <p class="whs2"># remove nodes #246
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592 <p class="whs1">res = mesh.RemoveNodes([246,
\r
595 <p class="whs1">if res == 1: print
\r
596 "Nodes removing is OK!"</p>
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598 <p class="whs1">else: print
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599 "KO nodes removing." </p>
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601 <p class="whs3"> </p>
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603 <h4>Removing Elements</h4>
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605 <p class="whs1">import SMESH_mechanic</p>
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607 <p class="whs1"> </p>
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609 <p class="whs1">mesh = SMESH_mechanic.mesh</p>
\r
611 <p class="whs1"> </p>
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613 <p class="whs2"># remove three elements:
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614 #850, #859 and #814</p>
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616 <p class="whs1">res = mesh.RemoveElements([850,
\r
619 <p class="whs1">if res == 1: print
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620 "Elements removing is OK!"</p>
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622 <p class="whs1">else: print
\r
623 "KO Elements removing." </p>
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625 <p class="whs1"> </p>
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627 <h3><a name=bookmark2>Renumbering Nodes and Elements</a></h3>
\r
629 <p class="whs5">import SMESH_mechanic</p>
\r
631 <p class="whs5"> </p>
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633 <p class="whs5">mesh = SMESH_mechanic.mesh</p>
\r
635 <p class="whs6"> </p>
\r
637 <p class="whs6"><span style="font-family: 'Lucida Console', monospace;">mesh.RenumberNodes()</span>
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640 <h3><a name=bookmark3>Moving Nodes</a></h3>
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642 <p class="whs1">import SMESH_mechanic</p>
\r
644 <p class="whs1"> </p>
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646 <p class="whs1">mesh = SMESH_mechanic.mesh</p>
\r
648 <p class="whs3"> </p>
\r
650 <p class="whs3"># move node #38</p>
\r
652 <p class="whs1">mesh.MoveNode(38,
\r
655 <p class="whs3"> </p>
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657 <h3><a name=bookmark4>Diagonal Inversion</a></h3>
\r
659 <p class="whs5">import salome</p>
\r
661 <p class="whs5">import smesh</p>
\r
663 <p class="whs5"> </p>
\r
665 <p class="whs7"># create an empty mesh
\r
668 <p class="whs5">mesh = smesh.Mesh()
\r
671 <p class="whs5"> </p>
\r
673 <p class="whs7"># create the following
\r
676 <p class="whs5"># .----.----.----.</p>
\r
678 <p class="whs5"># | /|
\r
682 <p class="whs5"># | /
\r
683 | / | /
\r
686 <p class="whs5"># | / |
\r
687 / | / |</p>
\r
689 <p class="whs5"># |/ |/
\r
693 <p class="whs5"># .----.----.----.</p>
\r
695 <p class="whs5"> </p>
\r
697 <p class="whs5">bb = [0, 0, 0, 0]</p>
\r
699 <p class="whs5">tt = [0, 0, 0, 0]</p>
\r
701 <p class="whs5">ff = [0, 0, 0, 0,
\r
704 <p class="whs5"> </p>
\r
706 <p class="whs5">bb[0] = mesh.AddNode(
\r
709 <p class="whs5">bb[1] = mesh.AddNode(10.,
\r
712 <p class="whs5">bb[2] = mesh.AddNode(20.,
\r
715 <p class="whs5">bb[3] = mesh.AddNode(30.,
\r
718 <p class="whs5"> </p>
\r
720 <p class="whs5">tt[0] = mesh.AddNode(
\r
723 <p class="whs5">tt[1] = mesh.AddNode(10.,
\r
726 <p class="whs5">tt[2] = mesh.AddNode(20.,
\r
729 <p class="whs5">tt[3] = mesh.AddNode(30.,
\r
732 <p class="whs5"> </p>
\r
734 <p class="whs5">ff[0] = mesh.AddFace([bb[0],
\r
737 <p class="whs5">ff[1] = mesh.AddFace([bb[0],
\r
740 <p class="whs5">ff[2] = mesh.AddFace([bb[1],
\r
743 <p class="whs5">ff[3] = mesh.AddFace([bb[1],
\r
746 <p class="whs5">ff[4] = mesh.AddFace([bb[2],
\r
749 <p class="whs5">ff[5] = mesh.AddFace([bb[2],
\r
752 <p class="whs5"> </p>
\r
754 <p class="whs7"># inverse the diagonal
\r
757 <p class="whs5">print "\nDiagonal
\r
758 inversion ... ",</p>
\r
760 <p class="whs5">res = mesh.InverseDiag(bb[1],
\r
763 <p class="whs5">if not res: print
\r
764 "failed!"</p>
\r
766 <p class="whs5">else: print
\r
767 "done."</p>
\r
769 <p class="whs6"> </p>
\r
771 <p class="whs6"><span style="font-family: 'Lucida Console', monospace;">salome.sg.updateObjBrowser(1)</span>
\r
774 <h3><a name=bookmark5>Uniting two Triangles</a></h3>
\r
776 <p class="whs8">import salome</p>
\r
778 <p class="whs8">import smesh</p>
\r
782 <p># create an empty mesh structure</p>
\r
784 <p class="whs8">mesh = smesh.Mesh()
\r
789 <p># create the following mesh:</p>
\r
791 <p class="whs8"># .----.----.----.</p>
\r
793 <p class="whs8"># | /|
\r
797 <p class="whs8"># | /
\r
798 | / | /
\r
801 <p class="whs8"># | / |
\r
802 / | / |</p>
\r
804 <p class="whs8"># |/ |/
\r
808 <p class="whs8"># .----.----.----.</p>
\r
812 <p class="whs8">bb = [0, 0, 0, 0]</p>
\r
814 <p class="whs8">tt = [0, 0, 0, 0]</p>
\r
816 <p class="whs8">ff = [0, 0, 0, 0,
\r
819 <p class="whs8"> </p>
\r
821 <p class="whs8"><span style="font-family: 'Lucida Console', monospace;">bb[0]
\r
822 = mesh.AddNode( 0., 0., 0.)</span></p>
\r
824 <p class="whs8">bb[1] = mesh.AddNode(10.,
\r
827 <p class="whs8">bb[2] = mesh.AddNode(20.,
\r
830 <p class="whs8">bb[3] = mesh.AddNode(30.,
\r
833 <p class="whs8"> </p>
\r
835 <p class="whs8">tt[0] = mesh.AddNode(
\r
838 <p class="whs8">tt[1] = mesh.AddNode(10.,
\r
841 <p class="whs8">tt[2] = mesh.AddNode(20.,
\r
844 <p class="whs8">tt[3] = mesh.AddNode(30.,
\r
847 <p class="whs8"> </p>
\r
849 <p class="whs8">ff[0] = mesh.AddFace([bb[0],
\r
852 <p class="whs8">ff[1] = mesh.AddFace([bb[0],
\r
855 <p class="whs8">ff[2] = mesh.AddFace([bb[1],
\r
858 <p class="whs8">ff[3] = mesh.AddFace([bb[1],
\r
861 <p class="whs8">ff[4] = mesh.AddFace([bb[2],
\r
864 <p class="whs8">ff[5] = mesh.AddFace([bb[2],
\r
865 tt[3], tt[2]]) </p>
\r
869 <p># delete the diagonal bb[1] - tt[2]</p>
\r
871 <p class="whs8">print "\nUnite
\r
872 two triangles ... ",</p>
\r
874 <p class="whs8">res = mesh.DeleteDiag(bb[1],
\r
877 <p class="whs8">if not res: print
\r
878 "failed!"</p>
\r
880 <p class="whs8">else: print
\r
881 "done."</p>
\r
883 <p class="whs8"> </p>
\r
885 <p><span style="font-family: 'Lucida Console', monospace;">salome.sg.updateObjBrowser(1)</span>
\r
888 <h3><a name=bookmark6>Uniting a Set of Triangles</a></h3>
\r
890 <p class="whs8">import salome</p>
\r
892 <p class="whs8">import smesh</p>
\r
894 <p class="whs8"> </p>
\r
896 <p class="whs9"># create an empty mesh
\r
899 <p class="whs8">mesh = smesh.Mesh()
\r
902 <p class="whs8"> </p>
\r
904 <p class="whs9"># create the following
\r
907 <p class="whs8"># .----.----.----.</p>
\r
909 <p class="whs8"># | /|
\r
913 <p class="whs8"># | /
\r
914 | / | /
\r
917 <p class="whs8"># | / |
\r
918 / | / |</p>
\r
920 <p class="whs8"># |/ |/
\r
924 <p class="whs8"># .----.----.----.</p>
\r
926 <p class="whs8"> </p>
\r
928 <p class="whs8">bb = [0, 0, 0, 0]</p>
\r
930 <p class="whs8">tt = [0, 0, 0, 0]</p>
\r
932 <p class="whs8">ff = [0, 0, 0, 0,
\r
935 <p class="whs8"> </p>
\r
937 <p class="whs8"><span style="font-family: 'Lucida Console', monospace;">bb[0]
\r
938 = mesh.AddNode( 0., 0., 0.)</span></p>
\r
940 <p class="whs8">bb[1] = mesh.AddNode(10.,
\r
943 <p class="whs8">bb[2] = mesh.AddNode(20.,
\r
946 <p class="whs8">bb[3] = mesh.AddNode(30.,
\r
949 <p class="whs8"> </p>
\r
951 <p class="whs8">tt[0] = mesh.AddNode(
\r
954 <p class="whs8">tt[1] = mesh.AddNode(10.,
\r
957 <p class="whs8">tt[2] = mesh.AddNode(20.,
\r
960 <p class="whs8">tt[3] = mesh.AddNode(30.,
\r
963 <p class="whs8"> </p>
\r
965 <p class="whs8">ff[0] = mesh.AddFace([bb[0],
\r
968 <p class="whs8">ff[1] = mesh.AddFace([bb[0],
\r
971 <p class="whs8">ff[2] = mesh.AddFace([bb[1],
\r
974 <p class="whs8">ff[3] = mesh.AddFace([bb[1],
\r
977 <p class="whs8">ff[4] = mesh.AddFace([bb[2],
\r
980 <p class="whs8">ff[5] = mesh.AddFace([bb[2],
\r
983 <p class="whs8"> </p>
\r
985 <p class="whs9"># unite a set of triangles</p>
\r
987 <p class="whs8"><span style="font-family: 'Lucida Console', monospace;">print
\r
988 "\nUnite a set of triangles ... ",</span></p>
\r
990 <p class="whs8">res = mesh.TriToQuad([ff[2],
\r
991 ff[3], ff[4], ff[5]], smesh.FT_MinimumAngle, 60.)</p>
\r
993 <p class="whs8">if not res: print
\r
994 "failed!"</p>
\r
996 <p class="whs8">else: print
\r
997 "done."</p>
\r
999 <p class="whs8"> </p>
\r
1001 <p class="whs8">salome.sg.updateObjBrowser(1)
\r
1004 <h3><a name=bookmark12>Orientation</a></h3>
\r
1006 <p class="whs8">import salome</p>
\r
1008 <p class="whs8">import smesh</p>
\r
1010 <p class="whs8"> </p>
\r
1012 <p># create an empty mesh structure</p>
\r
1014 <p class="whs8">mesh = smesh.Mesh()
\r
1017 <p class="whs8"> </p>
\r
1019 <p class="whs9"># build five quadrangles:</p>
\r
1021 <p class="whs8">dx = 10</p>
\r
1023 <p class="whs8">dy = 20</p>
\r
1025 <p class="whs8"> </p>
\r
1027 <p class="whs8"><span style="font-family: 'Lucida Console', monospace;">n1
\r
1028 = mesh.AddNode(0.0
\r
1029 * dx, 0, 0)</span></p>
\r
1031 <p class="whs8">n2 =
\r
1032 mesh.AddNode(1.0 * dx, 0, 0)</p>
\r
1034 <p class="whs8">n3 =
\r
1035 mesh.AddNode(2.0 * dx, 0, 0)</p>
\r
1037 <p class="whs8">n4 =
\r
1038 mesh.AddNode(3.0 * dx, 0, 0)</p>
\r
1040 <p class="whs8">n5 =
\r
1041 mesh.AddNode(4.0 * dx, 0, 0)</p>
\r
1043 <p class="whs8">n6 =
\r
1044 mesh.AddNode(5.0 * dx, 0, 0)</p>
\r
1046 <p class="whs8">n7 =
\r
1047 mesh.AddNode(0.0 * dx, dy, 0)</p>
\r
1049 <p class="whs8">n8 =
\r
1050 mesh.AddNode(1.0 * dx, dy, 0)</p>
\r
1052 <p class="whs8">n9 =
\r
1053 mesh.AddNode(2.0 * dx, dy, 0)</p>
\r
1055 <p class="whs8">n10 = mesh.AddNode(3.0
\r
1058 <p class="whs8">n11 = mesh.AddNode(4.0
\r
1061 <p class="whs8">n12 = mesh.AddNode(5.0
\r
1064 <p class="whs8"> </p>
\r
1066 <p class="whs8">f1 = mesh.AddFace([n1,
\r
1067 n2, n8 , n7 ])</p>
\r
1069 <p class="whs8">f2 = mesh.AddFace([n2,
\r
1070 n3, n9 , n8 ])</p>
\r
1072 <p class="whs8">f3 = mesh.AddFace([n3,
\r
1073 n4, n10, n9 ])</p>
\r
1075 <p class="whs8">f4 = mesh.AddFace([n4,
\r
1076 n5, n11, n10])</p>
\r
1078 <p class="whs8">f5 = mesh.AddFace([n5,
\r
1079 n6, n12, n11]) </p>
\r
1081 <p class="whs8"> </p>
\r
1083 <p class="whs9"># Change the orientation
\r
1084 of the second and the fourth faces.</p>
\r
1086 <p class="whs8">mesh.Reorient([2,
\r
1089 <p class="whs8"> </p>
\r
1091 <p class="whs8">salome.sg.updateObjBrowser(1)
\r
1094 <p class="whs8"> </p>
\r
1096 <h3><a name=bookmark7>Cutting Quadrangles</a></h3>
\r
1098 <p class="whs8">import SMESH_mechanic</p>
\r
1100 <p class="whs8"> </p>
\r
1102 <p class="whs8">smesh = SMESH_mechanic.smesh</p>
\r
1104 <p class="whs8">mesh =
\r
1105 SMESH_mechanic.mesh</p>
\r
1107 <p class="whs8"> </p>
\r
1109 <p class="whs9"># cut two quadrangles:
\r
1112 <p class="whs8">mesh.QuadToTri([405,
\r
1113 406], smesh.FT_MinimumAngle) </p>
\r
1115 <p class="whs9"> </p>
\r
1117 <h3><a name=bookmark8>Smoothing</a></h3>
\r
1119 <p class="whs8">import salome</p>
\r
1121 <p class="whs8">import geompy</p>
\r
1123 <p class="whs8"> </p>
\r
1125 <p class="whs8">import SMESH_mechanic</p>
\r
1127 <p class="whs8"> </p>
\r
1129 <p class="whs8"><span style="font-family: 'Lucida Console', monospace;">smesh
\r
1130 = SMESH_mechanic.smesh</span></p>
\r
1132 <p class="whs8">mesh = SMESH_mechanic.mesh</p>
\r
1134 <p class="whs8"> </p>
\r
1136 <p class="whs9"># select the top face</p>
\r
1138 <p class="whs8"><span style="font-family: 'Lucida Console', monospace;">faces
\r
1139 = geompy.SubShapeAllSorted(SMESH_mechanic.shape_mesh, geompy.ShapeType["FACE"])</span></p>
\r
1141 <p class="whs8">face = faces[3]</p>
\r
1143 <p class="whs8">geompy.addToStudyInFather(SMESH_mechanic.shape_mesh,
\r
1144 face, "face planar with hole")</p>
\r
1146 <p class="whs8"> </p>
\r
1148 <p class="whs8"># create a group of
\r
1149 faces to be smoothed</p>
\r
1151 <p class="whs8">GroupSmooth = mesh.GroupOnGeom(face,
\r
1152 "Group of faces (smooth)", smesh.FACE)</p>
\r
1154 <p class="whs8"> </p>
\r
1156 <p class="whs8"># perform smoothing</p>
\r
1158 <p class="whs8"> </p>
\r
1160 <p class="whs8"># boolean SmoothObject(Object,
\r
1161 IDsOfFixedNodes, MaxNbOfIterations, MaxAspectRatio, Method)</p>
\r
1163 <p class="whs8">res = mesh.SmoothObject(GroupSmooth,
\r
1164 [], 20, 2., smesh.CENTROIDAL_SMOOTH)</p>
\r
1166 <p class="whs8">print "\nSmoothing
\r
1169 <p class="whs8">if not res: print
\r
1170 "failed!"</p>
\r
1172 <p class="whs8">else: print
\r
1173 "done."</p>
\r
1175 <p class="whs8"> </p>
\r
1177 <p class="whs8">salome.sg.updateObjBrowser(1)
\r
1180 <p class="whs8"> </p>
\r
1182 <h3><a name=bookmark9>Extrusion</a></h3>
\r
1184 <p class="whs8">import salome</p>
\r
1186 <p class="whs8">import geompy</p>
\r
1188 <p class="whs8"> </p>
\r
1190 <p class="whs8">import SMESH_mechanic</p>
\r
1192 <p class="whs8"> </p>
\r
1194 <p class="whs8"><span style="font-family: 'Lucida Console', monospace;">smesh
\r
1195 = SMESH_mechanic.smesh</span></p>
\r
1197 <p class="whs8">mesh = SMESH_mechanic.mesh
\r
1200 <p class="whs8"> </p>
\r
1202 <p class="whs9"># select the top face</p>
\r
1204 <p class="whs8">faces = geompy.SubShapeAllSorted(SMESH_mechanic.shape_mesh,
\r
1205 geompy.ShapeType["FACE"])</p>
\r
1207 <p class="whs8">face = faces[7]</p>
\r
1209 <p class="whs8">geompy.addToStudyInFather(SMESH_mechanic.shape_mesh,
\r
1210 face, "face circular top")</p>
\r
1212 <p class="whs8"> </p>
\r
1214 <p class="whs8"># create a vector
\r
1217 <p class="whs8">point = smesh.PointStruct(0.,
\r
1220 <p class="whs8">vector = smesh.DirStruct(point)</p>
\r
1222 <p class="whs8"> </p>
\r
1224 <p class="whs8"># create a group to
\r
1227 <p class="whs8">GroupTri = mesh.GroupOnGeom(face,
\r
1228 "Group of faces (extrusion)", smesh.FACE)</p>
\r
1230 <p class="whs8"> </p>
\r
1232 <p class="whs8"># perform extrusion
\r
1235 <p class="whs8">mesh.ExtrusionSweepObject(GroupTri,
\r
1238 <p class="whs8"> </p>
\r
1240 <p class="whs9"><span style="font-family: 'Lucida Console', monospace;">salome.sg.updateObjBrowser(1)</span>
\r
1243 <h3><a name=bookmark10>Extrusion along a Path</a></h3>
\r
1245 <p class="whs8">import math</p>
\r
1247 <p class="whs8">import salome</p>
\r
1249 <p class="whs8"> </p>
\r
1251 <p class="whs9"># Geometry</p>
\r
1253 <p class="whs8">import geompy</p>
\r
1255 <p class="whs9"> </p>
\r
1257 <p class="whs9"># 1. Create points</p>
\r
1259 <p class="whs8">points = [[0, 0],
\r
1260 [50, 30], [50, 110], [0, 150], [-80, 150], [-130, 70], [-130, -20]]</p>
\r
1262 <p class="whs8"> </p>
\r
1264 <p class="whs8">iv = 1</p>
\r
1266 <p class="whs8">vertices = []</p>
\r
1268 <p class="whs8">for point in points:</p>
\r
1270 <p class="whs10">vert
\r
1271 = geompy.MakeVertex(point[0], point[1], 0)</p>
\r
1273 <p class="whs10">geompy.addToStudy(vert,
\r
1274 "Vertex_" + `iv`)</p>
\r
1276 <p class="whs10">vertices.append(vert)</p>
\r
1278 <p class="whs10">iv
\r
1281 <p class="whs10">pass</p>
\r
1283 <p class="whs9"> </p>
\r
1285 <p class="whs9"># 2. Create edges and
\r
1288 <p class="whs8">Edge_straight = geompy.MakeEdge(vertices[0],
\r
1291 <p class="whs8">Edge_bezierrr = geompy.MakeBezier(vertices)</p>
\r
1293 <p class="whs8">Wire_polyline = geompy.MakePolyline(vertices)</p>
\r
1295 <p class="whs8">Edge_Circle =
\r
1296 geompy.MakeCircleThreePnt(vertices[0], vertices[1], vertices[2])</p>
\r
1298 <p class="whs8"> </p>
\r
1300 <p class="whs8">geompy.addToStudy(Edge_straight,
\r
1301 "Edge_straight")</p>
\r
1303 <p class="whs8">geompy.addToStudy(Edge_bezierrr,
\r
1304 "Edge_bezierrr")</p>
\r
1306 <p class="whs8">geompy.addToStudy(Wire_polyline,
\r
1307 "Wire_polyline")</p>
\r
1309 <p class="whs8">geompy.addToStudy(Edge_Circle
\r
1310 , "Edge_Circle")</p>
\r
1312 <p class="whs9"> </p>
\r
1314 <p class="whs9"># 3. Explode wire on
\r
1315 edges, as they will be used for mesh extrusion</p>
\r
1317 <p class="whs8">Wire_polyline_edges
\r
1318 = geompy.SubShapeAll(Wire_polyline, geompy.ShapeType["EDGE"])</p>
\r
1320 <p class="whs8">for ii in range(len(Wire_polyline_edges)):</p>
\r
1322 <p class="whs10">geompy.addToStudyInFather(Wire_polyline,
\r
1323 Wire_polyline_edges[ii], "Edge_" + `ii + 1`)</p>
\r
1325 <p class="whs10">pass</p>
\r
1327 <p class="whs11"> </p>
\r
1329 <p class="whs9"># Mesh</p>
\r
1331 <p class="whs8">import smesh</p>
\r
1333 <p class="whs8"> </p>
\r
1335 <p class="whs12"># Mesh
\r
1336 the given shape with the given 1d hypothesis</p>
\r
1338 <p class="whs13">def
\r
1339 Mesh1D(shape1d, nbSeg, name):</p>
\r
1341 <p class="whs13"> mesh1d_tool
\r
1342 = smesh.Mesh(shape1d, name)</p>
\r
1344 <p class="whs13"> algo
\r
1345 = mesh1d_tool.Segment()</p>
\r
1347 <p class="whs13"> hyp
\r
1348 = algo.NumberOfSegments(nbSeg)</p>
\r
1350 <p class="whs13"> isDone
\r
1351 = mesh1d_tool.Compute()</p>
\r
1353 <p class="whs13"> if
\r
1354 not isDone: print 'Mesh ', name, ': computation failed'</p>
\r
1356 <p class="whs13"> return
\r
1359 <p class="whs12"># Create
\r
1360 a mesh with six nodes, seven edges and two quadrangle faces</p>
\r
1362 <p class="whs13">def
\r
1363 MakeQuadMesh2(mesh_name):</p>
\r
1365 <p class="whs13"> quad_1
\r
1366 = smesh.Mesh(name = mesh_name)</p>
\r
1368 <p class="whs13"> </p>
\r
1370 <p class="whs13"> <span
\r
1371 style="font-family: 'Times New Roman', serif;">#
\r
1372 six nodes</span></p>
\r
1374 <p class="whs13"> n1
\r
1375 = quad_1.AddNode(0, 20, 10)</p>
\r
1377 <p class="whs13"> n2
\r
1378 = quad_1.AddNode(0, 40, 10)</p>
\r
1380 <p class="whs13"> n3
\r
1381 = quad_1.AddNode(0, 40, 30)</p>
\r
1383 <p class="whs13"> n4
\r
1384 = quad_1.AddNode(0, 20, 30)</p>
\r
1386 <p class="whs13"> n5
\r
1387 = quad_1.AddNode(0, 0,
\r
1390 <p class="whs13"> n6
\r
1391 = quad_1.AddNode(0, 0,
\r
1394 <p class="whs13"> </p>
\r
1396 <p class="whs13"> <span
\r
1397 style="font-family: 'Times New Roman', serif;">#
\r
1398 seven edges</span></p>
\r
1400 <p class="whs13"> quad_1.AddEdge([n1,
\r
1403 <p class="whs13"> quad_1.AddEdge([n2,
\r
1406 <p class="whs13"> quad_1.AddEdge([n3,
\r
1409 <p class="whs13"> quad_1.AddEdge([n4,
\r
1412 <p class="whs13"> quad_1.AddEdge([n4,
\r
1415 <p class="whs13"> quad_1.AddEdge([n5,
\r
1418 <p class="whs13"> quad_1.AddEdge([n6,
\r
1421 <p class="whs13"> </p>
\r
1423 <p class="whs13"> <span
\r
1424 style="font-family: 'Times New Roman', serif;">#
\r
1425 two quadrangle faces</span></p>
\r
1427 <p class="whs13"> quad_1.AddFace([n1,
\r
1428 n2, n3, n4]) # 8</p>
\r
1430 <p class="whs13"> quad_1.AddFace([n1,
\r
1431 n4, n5, n6]) # 9</p>
\r
1433 <p class="whs13"> return
\r
1434 [quad_1, [1,2,3,4,5,6,7], [8,9]]</p>
\r
1436 <p class="whs13"> </p>
\r
1438 <p class="whs12"># Path
\r
1441 <p class="whs13">Edge_straight_mesh
\r
1442 = Mesh1D(Edge_straight, 7, "Edge_straight")</p>
\r
1444 <p class="whs13">Edge_bezierrr_mesh
\r
1445 = Mesh1D(Edge_bezierrr, 7, "Edge_bezierrr")</p>
\r
1447 <p class="whs13">Wire_polyline_mesh
\r
1448 = Mesh1D(Wire_polyline, 3, "Wire_polyline")</p>
\r
1450 <p class="whs13">Edge_Circle_mesh
\r
1452 Mesh1D(Edge_Circle ,
\r
1453 8, "Edge_Circle")</p>
\r
1455 <p class="whs13"> </p>
\r
1457 <p class="whs12"># Initial
\r
1458 meshes (to be extruded)</p>
\r
1460 <p class="whs13">[quad_1,
\r
1461 ee_1, ff_1] = MakeQuadMesh2("quad_1")</p>
\r
1463 <p class="whs13">[quad_2,
\r
1464 ee_2, ff_2] = MakeQuadMesh2("quad_2")</p>
\r
1466 <p class="whs13">[quad_3,
\r
1467 ee_3, ff_3] = MakeQuadMesh2("quad_3")</p>
\r
1469 <p class="whs13">[quad_4,
\r
1470 ee_4, ff_4] = MakeQuadMesh2("quad_4")</p>
\r
1472 <p class="whs13">[quad_5,
\r
1473 ee_5, ff_5] = MakeQuadMesh2("quad_5")</p>
\r
1475 <p class="whs13">[quad_6,
\r
1476 ee_6, ff_6] = MakeQuadMesh2("quad_6")</p>
\r
1478 <p class="whs13">[quad_7,
\r
1479 ee_7, ff_7] = MakeQuadMesh2("quad_7")</p>
\r
1481 <p class="whs13"> </p>
\r
1483 <p class="whs12"># ExtrusionAlongPath</p>
\r
1485 <p class="whs12"># IDsOfElements,
\r
1486 PathMesh, PathShape, NodeStart,</p>
\r
1488 <p class="whs12"># HasAngles,
\r
1489 Angles, HasRefPoint, RefPoint</p>
\r
1491 <p class="whs13">refPoint
\r
1492 = smesh.PointStruct(0, 0, 0)</p>
\r
1494 <p class="whs13">a10
\r
1495 = 10.0*math.pi/180.0</p>
\r
1497 <p class="whs13">a45
\r
1498 = 45.0*math.pi/180.0</p>
\r
1500 <p class="whs13"> </p>
\r
1502 <p class="whs12"># 1.
\r
1503 Extrusion of two mesh edges along a straight path</p>
\r
1505 <p class="whs13">error
\r
1506 = quad_1.ExtrusionAlongPath([1,2], Edge_straight_mesh, Edge_straight,
\r
1509 <p class="whs13"> 0,
\r
1510 [], 0, refPoint)</p>
\r
1512 <p class="whs13"> </p>
\r
1514 <p class="whs12"># 2.
\r
1515 Extrusion of one mesh edge along a curved path</p>
\r
1517 <p class="whs13">error
\r
1518 = quad_2.ExtrusionAlongPath([2], Edge_bezierrr_mesh, Edge_bezierrr, 1,</p>
\r
1520 <p class="whs13"> 0,
\r
1521 [], 0, refPoint)</p>
\r
1523 <p class="whs13"> </p>
\r
1525 <p class="whs12"># 3.
\r
1526 Extrusion of one mesh edge along a curved path with usage of angles</p>
\r
1528 <p class="whs13">error
\r
1529 = quad_3.ExtrusionAlongPath([2], Edge_bezierrr_mesh, Edge_bezierrr, 1,</p>
\r
1531 <p class="whs13"> 1,
\r
1532 [a45, a45, a45, 0, -a45, -a45, -a45], 0, refPoint)</p>
\r
1534 <p class="whs13"> </p>
\r
1536 <p class="whs12"># 4.
\r
1537 Extrusion of one mesh edge along the path, which is a part of a meshed
\r
1540 <p class="whs13">error
\r
1541 = quad_4.ExtrusionAlongPath([4], Wire_polyline_mesh, Wire_polyline_edges[0],
\r
1544 <p class="whs13"> 1,
\r
1545 [a10, a10, a10], 0, refPoint)</p>
\r
1547 <p class="whs13"> </p>
\r
1549 <p class="whs12"># 5.
\r
1550 Extrusion of two mesh faces along the path, which is a part of a meshed
\r
1553 <p class="whs13">error
\r
1554 = quad_5.ExtrusionAlongPath(ff_5 , Wire_polyline_mesh, Wire_polyline_edges[2],
\r
1557 <p class="whs13"> 0,
\r
1558 [], 0, refPoint)</p>
\r
1560 <p class="whs13"> </p>
\r
1562 <p class="whs12"># 6.
\r
1563 Extrusion of two mesh faces along a closed path</p>
\r
1565 <p class="whs13">error
\r
1566 = quad_6.ExtrusionAlongPath(ff_6 , Edge_Circle_mesh, Edge_Circle, 1,</p>
\r
1568 <p class="whs13"> 0,
\r
1569 [], 0, refPoint)</p>
\r
1571 <p class="whs13"> </p>
\r
1573 <p class="whs12"># 7.
\r
1574 Extrusion of two mesh faces along a closed path with usage of angles</p>
\r
1576 <p class="whs13">error
\r
1577 = quad_7.ExtrusionAlongPath(ff_7, Edge_Circle_mesh, Edge_Circle, 1,</p>
\r
1579 <p class="whs13"> 1,
\r
1580 [a45, -a45, a45, -a45, a45, -a45, a45, -a45], 0, refPoint)</p>
\r
1582 <p class="whs13"> </p>
\r
1584 <p class="whs13">salome.sg.updateObjBrowser(1)
\r
1587 <h3><a name=bookmark11>Revolution</a></h3>
\r
1589 <p class="whs8">import math</p>
\r
1591 <p class="whs8"> </p>
\r
1593 <p class="whs8">import SMESH_mechanic</p>
\r
1595 <p class="whs8"> </p>
\r
1597 <p class="whs8"><span style="font-family: 'Lucida Console', monospace;">mesh
\r
1598 = SMESH_mechanic.mesh</span></p>
\r
1600 <p class="whs8">smesh = SMESH_mechanic.smesh</p>
\r
1602 <p class="whs8"> </p>
\r
1604 <p class="whs9"># create a group of faces
\r
1605 to be revolved</p>
\r
1607 <p class="whs8">FacesRotate = [492,
\r
1608 493, 502, 503]</p>
\r
1610 <p class="whs8">GroupRotate = mesh.CreateGroup(SMESH.FACE,"Group
\r
1611 of faces (rotate)")</p>
\r
1613 <p class="whs8">GroupRotate.Add(FacesRotate)</p>
\r
1615 <p class="whs9"> </p>
\r
1617 <p class="whs9"># define revolution angle
\r
1620 <p class="whs8">angle45 = 45 * math.pi
\r
1623 <p class="whs8">axisXYZ = SMESH.AxisStruct(-38.3128,
\r
1624 -73.3658, -23.321, -13.3402, -13.3265, 6.66632)</p>
\r
1626 <p class="whs8"> </p>
\r
1628 <p class="whs9"># perform revolution
\r
1631 <p class="whs8">mesh.RotationSweepObject(GroupRotate,
\r
1632 axisXYZ, angle45, 4, 1e-5) </p>
\r
1634 <p class="whs9"> </p>
\r
1636 <h3><a name=bookmark13>Pattern Mapping</a></h3>
\r
1638 <p class="whs8">import geompy</p>
\r
1640 <p class="whs8"> </p>
\r
1642 <p class="whs8">import smesh</p>
\r
1644 <p class="whs8"> </p>
\r
1646 <p class="whs8"># define the geometry</p>
\r
1648 <p class="whs9">Box_1 = geompy.MakeBoxDXDYDZ(200.,
\r
1651 <p class="whs9">geompy.addToStudy(Box_1,
\r
1652 "Box_1")</p>
\r
1654 <p class="whs9"> </p>
\r
1656 <p class="whs9">faces = geompy.SubShapeAll(Box_1,
\r
1657 geompy.ShapeType["FACE"])</p>
\r
1659 <p class="whs9">Face_1 = faces[0]</p>
\r
1661 <p class="whs9">Face_2 = faces[1]</p>
\r
1663 <p class="whs9"> </p>
\r
1665 <p class="whs9">geompy.addToStudyInFather(Box_1,
\r
1666 Face_1, "Face_1")</p>
\r
1668 <p class="whs9">geompy.addToStudyInFather(Box_1,
\r
1669 Face_2, "Face_2")</p>
\r
1671 <p class="whs9"> </p>
\r
1673 <p class="whs8"># build a quadrangle
\r
1674 mesh 3x3 on Face_1</p>
\r
1676 <p class="whs9">Mesh_1 = smesh.Mesh(Face_1)</p>
\r
1678 <p class="whs9">algo1D = Mesh_1.Segment()</p>
\r
1680 <p class="whs9">algo1D.NumberOfSegments(3)</p>
\r
1682 <p class="whs9">Mesh_1.Quadrangle()</p>
\r
1684 <p class="whs9"> </p>
\r
1686 <p class="whs9">isDone = Mesh_1.Compute()</p>
\r
1688 <p class="whs9">if not isDone: print
\r
1689 'Mesh Mesh_1 : computation failed'</p>
\r
1691 <p class="whs9"> </p>
\r
1693 <p class="whs8"># build a triangle
\r
1694 mesh on Face_2</p>
\r
1696 <p class="whs9">Mesh_2 = smesh.Mesh(Face_2)</p>
\r
1698 <p class="whs9"> </p>
\r
1700 <p class="whs9">algo1D = Mesh_2.Segment()</p>
\r
1702 <p class="whs9">algo1D.NumberOfSegments(1)</p>
\r
1704 <p class="whs9">algo2D = Mesh_2.Triangle()</p>
\r
1706 <p class="whs9">algo2D.MaxElementArea(240)</p>
\r
1708 <p class="whs9"> </p>
\r
1710 <p class="whs9">isDone = Mesh_2.Compute()</p>
\r
1712 <p class="whs9">if not isDone: print
\r
1713 'Mesh Mesh_2 : computation failed'</p>
\r
1715 <p class="whs9"> </p>
\r
1717 <p class="whs8"># create a pattern</p>
\r
1719 <p class="whs9">pattern = smesh.GetPattern()</p>
\r
1721 <p class="whs9"> </p>
\r
1723 <p class="whs9">isDone = pattern.LoadFromFace(Mesh_2.GetMesh(),
\r
1726 <p class="whs9">if (isDone != 1): print
\r
1727 'LoadFromFace :', pattern.GetErrorCode()</p>
\r
1729 <p class="whs9"> </p>
\r
1731 <p class="whs8"># apply the pattern
\r
1732 to a face of the first mesh</p>
\r
1734 <p class="whs9">pattern.ApplyToMeshFaces(Mesh_1.GetMesh(),
\r
1737 <p class="whs9"> </p>
\r
1739 <p class="whs9">isDone = pattern.MakeMesh(Mesh_1.GetMesh(),
\r
1742 <p class="whs9">if (isDone != 1): print
\r
1743 'MakeMesh :', pattern.GetErrorCode() </p>
\r
1745 <script type="text/javascript" language="javascript1.2">
\r
1747 if (window.writeIntopicBar)
\r
1748 writeIntopicBar(0);
\r
