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108 <h1>Modifying Meshes</h1>
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110 <h3><a name=bookmark>Adding Nodes and Elements</a></h3>
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112 <p class="whs1"># Attention! The scripts for Adding nodes
\r
113 and Elements have
\r
114 been written using the old approach basing on direct usage of SMESH idl
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117 <p class="whs1"># For the moment smesh package doesn't provide
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118 methods to add nodes and elements. </p>
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120 <p class="whs2"><span style="font-weight: bold; color: #ff0000;"><font color=red ><B>#
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121 In the next SALOME version the scripts will be updated to use only the
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122 commands from smesh package.</B></font></span></p>
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126 <p class="whs3"><span style="font-family: 'Lucida Console', monospace;">import
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129 <p class="whs3">import SMESH_mechanic</p>
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131 <p class="whs3"> </p>
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133 <p class="whs3">mesh = SMESH_mechanic.mesh</p>
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135 <p class="whs3">aMeshEditor = mesh.GetMeshEditor()</p>
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137 <p class="whs3"> </p>
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139 <p class="whs4"># add node</p>
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141 <p class="whs3">new_id = aMeshEditor.AddNode(50,
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144 <p class="whs3">print ""</p>
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146 <p class="whs3">if new_id == 0:
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147 print "KO node addition."</p>
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149 <p class="whs3">else: print
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150 "New Node has been added with ID ", new_id </p>
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152 <p class="whs3"> </p>
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156 <p class="whs3"><span style="font-family: 'Lucida Console', monospace;">import
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159 <p class="whs3">import SMESH_mechanic</p>
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161 <p class="whs3"> </p>
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163 <p class="whs3">mesh = SMESH_mechanic.mesh</p>
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165 <p class="whs3">aMeshEditor = mesh.GetMeshEditor()</p>
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167 <p class="whs3">print ""</p>
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169 <p class="whs3"> </p>
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171 <p class="whs4"># add node</p>
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173 <p class="whs3">n1 = aMeshEditor.AddNode(50,
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176 <p class="whs3">if n1 == 0: print
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177 "KO node addition."</p>
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179 <p class="whs3"> </p>
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181 <p class="whs4"># add edge</p>
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183 <p class="whs3">e1 = aMeshEditor.AddEdge([n1,
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186 <p class="whs3">if e1 == 0: print
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187 "KO edge addition."</p>
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189 <p class="whs3">else: print
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190 "New Edge has been added with ID ", e1 </p>
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192 <p class="whs3"> </p>
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194 <h4>Add Triangle</h4>
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196 <p class="whs3"><span style="font-family: 'Lucida Console', monospace;">import
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199 <p class="whs3">import SMESH_mechanic</p>
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201 <p class="whs3"> </p>
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203 <p class="whs3">mesh = SMESH_mechanic.mesh</p>
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205 <p class="whs3">aMeshEditor = mesh.GetMeshEditor()</p>
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207 <p class="whs3">print ""</p>
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209 <p class="whs3"> </p>
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211 <p class="whs4"># add node</p>
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213 <p class="whs3">n1 = aMeshEditor.AddNode(50,
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216 <p class="whs3">if n1 == 0: print
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217 "KO node addition."</p>
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219 <p class="whs3"> </p>
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221 <p class="whs4"># add triangle</p>
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223 <p class="whs3">t1 = aMeshEditor.AddFace([n1,
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226 <p class="whs3">if t1 == 0: print
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227 "KO triangle addition."</p>
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229 <p class="whs3">else: print
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230 "New Triangle has been added with ID ", t1 </p>
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232 <h4>Add Quadrangle</h4>
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234 <p class="whs3">import SMESH</p>
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236 <p class="whs3">import SMESH_mechanic</p>
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238 <p class="whs3"> </p>
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240 <p class="whs3">mesh = SMESH_mechanic.mesh</p>
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242 <p class="whs3">aMeshEditor = mesh.GetMeshEditor()</p>
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244 <p class="whs3">print ""</p>
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246 <p class="whs2"> </p>
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248 <p class="whs2"># add node</p>
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250 <p class="whs3">n1 = aMeshEditor.AddNode(50,
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253 <p class="whs3">if n1 == 0: print
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254 "KO node addition."</p>
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256 <p class="whs3"> </p>
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258 <p class="whs3">n2 = aMeshEditor.AddNode(40,
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261 <p class="whs3">if n2 == 0: print
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262 "KO node addition."</p>
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264 <p class="whs3"> </p>
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266 <p class="whs2"># add quadrangle</p>
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268 <p class="whs3">q1 = aMeshEditor.AddFace([n2,
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271 <p class="whs3">if q1 == 0: print
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272 "KO quadrangle addition."</p>
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274 <p class="whs2"><span style="font-family: 'Lucida Console', monospace;">else:
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275 print
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276 "New Quadrangle has been added with ID ", q1</span> </p>
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278 <h4>Add Tetrahedron</h4>
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280 <p class="whs3">import SMESH </p>
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282 <p class="whs3">import SMESH_mechanic</p>
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284 <p class="whs3"> </p>
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286 <p class="whs3">mesh = SMESH_mechanic.mesh</p>
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288 <p class="whs3">aMeshEditor = mesh.GetMeshEditor()</p>
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290 <p class="whs3">print ""</p>
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292 <p class="whs3"> </p>
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294 <p class="whs4"># add node</p>
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296 <p class="whs3">n1 = aMeshEditor.AddNode(50,
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299 <p class="whs3">if n1 == 0: print
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300 "KO node addition."</p>
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302 <p class="whs3"> </p>
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304 <p class="whs4"># add tetrahedron</p>
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306 <p class="whs3">t1 = aMeshEditor.AddVolume([n1,
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309 <p class="whs3">if t1 == 0: print
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310 "KO tetrahedron addition."</p>
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312 <p class="whs2"><span style="font-family: 'Lucida Console', monospace;">else:
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313 print
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314 "New Tetrahedron has been added with ID ", t1</span> </p>
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316 <h4>Add Hexahedron</h4>
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318 <p class="whs3"><span style="font-family: 'Lucida Console', monospace;">import
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321 <p class="whs3">import SMESH_mechanic</p>
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323 <p class="whs3"> </p>
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325 <p class="whs3">mesh = SMESH_mechanic.mesh</p>
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327 <p class="whs3">aMeshEditor = mesh.GetMeshEditor()</p>
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329 <p class="whs3">print ""</p>
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331 <p class="whs3"> </p>
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333 <p class="whs4"># add nodes</p>
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335 <p class="whs3">nId1 = aMeshEditor.AddNode(50,
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338 <p class="whs3">nId2 = aMeshEditor.AddNode(47,
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341 <p class="whs3">nId3 = aMeshEditor.AddNode(50,
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344 <p class="whs3">nId4 = aMeshEditor.AddNode(47,
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347 <p class="whs3"> </p>
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349 <p class="whs3">if nId1 == 0 or
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350 nId2 == 0 or nId3 == 0 or nId4 == 0: print "KO node addition."</p>
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352 <p class="whs3"> </p>
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354 <p class="whs4"># add hexahedron</p>
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356 <p class="whs3">vId = aMeshEditor.AddVolume([nId2,
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357 nId1, 38, 39, nId4, nId3, 245, 246])</p>
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359 <p class="whs3">if vId == 0: print
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360 "KO Hexahedron addition."</p>
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362 <p class="whs3">else: print
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363 "New Hexahedron has been added with ID ", vId </p>
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365 <p class="whs3"> </p>
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367 <h4>Add Polygon</h4>
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369 <p class="whs3"><span style="font-family: 'Lucida Console', monospace;">import
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372 <p class="whs3">import salome</p>
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374 <p class="whs3">import smesh</p>
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376 <p class="whs3"> </p>
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378 <p class="whs4"># create an empty mesh
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381 <p class="whs3">gen = smesh.smesh</p>
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383 <p class="whs3">mesh = gen.CreateEmptyMesh()</p>
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385 <p class="whs3">MeshEditor = mesh.GetMeshEditor()</p>
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387 <p class="whs3"> </p>
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389 <p class="whs4"># a method to build
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390 a polygonal mesh element with <nb_vert> angles:</p>
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392 <p class="whs3">def MakePolygon
\r
393 (a_mesh, x0, y0, z0, radius, nb_vert):</p>
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395 <p class="whs3"> al
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396 = 2.0 * math.pi / nb_vert</p>
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398 <p class="whs3"> node_ids
\r
401 <p class="whs3"> </p>
\r
403 <p class="whs4"> #
\r
404 Create nodes for a polygon</p>
\r
406 <p class="whs3"> for
\r
407 ii in range(nb_vert):</p>
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409 <p class="whs3"> nid
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410 = MeshEditor.AddNode(x0 + radius * math.cos(ii*al),</p>
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412 <p class="whs3"> y0
\r
413 + radius * math.sin(ii*al),</p>
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415 <p class="whs3"> z0)</p>
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417 <p class="whs3"> node_ids.append(nid)</p>
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419 <p class="whs3"> pass</p>
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421 <p class="whs3"> </p>
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423 <p class="whs4"> #
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424 Create a polygon</p>
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426 <p class="whs3"> return
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427 MeshEditor.AddPolygonalFace(node_ids)</p>
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429 <p class="whs3"> </p>
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431 <p class="whs4"># Create three polygons</p>
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433 <p class="whs3">f1 = MakePolygon(mesh,
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437 <p class="whs3">f2 = MakePolygon(mesh,
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438 0, 0, 10, 21, 9)</p>
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440 <p class="whs3">f3 = MakePolygon(mesh,
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441 0, 0, 20, 13, 6)</p>
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443 <p class="whs3"> </p>
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445 <p class="whs3">salome.sg.updateObjBrowser(1)
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448 <h4>Add Polyhedron</h4>
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450 <p class="whs3"><span style="font-family: 'Lucida Console', monospace;">import
\r
453 <p class="whs3">import math</p>
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455 <p class="whs3">import smesh</p>
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457 <p class="whs3"> </p>
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459 <p class="whs4"># create an empty mesh
\r
462 <p class="whs3">gen = smesh.smesh</p>
\r
464 <p class="whs3">mesh = gen.CreateEmptyMesh()</p>
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466 <p class="whs3">MeshEditor = mesh.GetMeshEditor()</p>
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468 <p class="whs3"> </p>
\r
470 <p class="whs4"># Create nodes for
\r
471 12-hedron with pentagonal faces</p>
\r
473 <p class="whs3">al = 2 * math.pi
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476 <p class="whs3">cosal = math.cos(al)</p>
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478 <p class="whs3">aa = 13</p>
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480 <p class="whs3">rr = aa / (2.0 *
\r
481 math.sin(al/2.0))</p>
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483 <p class="whs3">dr = 2.0 * rr *
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486 <p class="whs3">r1 = rr + dr</p>
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488 <p class="whs3">dh = rr * math.sqrt(2.0
\r
489 * (1.0 - cosal * (1.0 + 2.0 * cosal)))</p>
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491 <p class="whs3">hh = 2.0 * dh -
\r
492 dr * (rr*(cosal - 1) + (rr + dr)*(math.cos(al/2) - 1)) / dh</p>
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494 <p class="whs3"> </p>
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496 <p class="whs3">dd = [] <span style="font-family: 'Times New Roman', serif;">#
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499 <p class="whs3">cc = [] <span style="font-family: 'Times New Roman', serif;">#
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500 below top</span></p>
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502 <p class="whs3">bb = [] <span style="font-family: 'Times New Roman', serif;">#
\r
503 above bottom</span></p>
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505 <p class="whs3">aa = [] <span style="font-family: 'Times New Roman', serif;">#
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508 <p class="whs3"> </p>
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510 <p class="whs3">for i in range(5):</p>
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512 <p class="whs3"> cos_bot
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513 = math.cos(i*al)</p>
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515 <p class="whs3"> sin_bot
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516 = math.sin(i*al)</p>
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518 <p class="whs3"> </p>
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520 <p class="whs3"> <span
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521 style="margin-top: 0pt;
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522 margin-bottom: 0pt;
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523 font-family: 'Lucida Console', monospace;">cos_top
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524 = math.cos(i*al + al/2.0)</span></p>
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526 <p class="whs3"> sin_top
\r
527 = math.sin(i*al + al/2.0)</p>
\r
529 <p class="whs3"> </p>
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531 <p class="whs3"> nd
\r
532 = MeshEditor.AddNode(rr * cos_top, rr * sin_top, hh )
\r
533 <span style="font-family: 'Times New Roman', serif;"># top</span></p>
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535 <p class="whs3"> nc
\r
536 = MeshEditor.AddNode(r1 * cos_top, r1 * sin_top, hh - dh) <span style="font-family: 'Times New Roman', serif;">#
\r
537 below top</span></p>
\r
539 <p class="whs3"> nb
\r
540 = MeshEditor.AddNode(r1 * cos_bot, r1 * sin_bot, dh)
\r
541 <span style="font-family: 'Times New Roman', serif;"># above bottom</span></p>
\r
543 <p class="whs3"> na
\r
544 = MeshEditor.AddNode(rr * cos_bot, rr * sin_bot, 0)
\r
545 <span style="font-family: 'Times New Roman', serif;"># bottom</span></p>
\r
547 <p class="whs3"> dd.append(nd)
\r
548 <span style="font-family: 'Times New Roman', serif;"># top</span></p>
\r
550 <p class="whs3"> cc.append(nc)
\r
551 <span style="font-family: 'Times New Roman', serif;"># below top</span></p>
\r
553 <p class="whs3"> bb.append(nb)
\r
554 <span style="font-family: 'Times New Roman', serif;"># above bottom</span></p>
\r
556 <p class="whs3"> aa.append(na)
\r
557 <span style="font-family: 'Times New Roman', serif;"># bottom</span></p>
\r
559 <p class="whs3"> </p>
\r
561 <p class="whs3"> pass</p>
\r
563 <p class="whs3"> </p>
\r
565 <p class="whs4"># Create a polyhedral
\r
566 volume (12-hedron with pentagonal faces)</p>
\r
568 <p class="whs3">MeshEditor.AddPolyhedralVolume([dd[0],
\r
569 dd[1], dd[2], dd[3], dd[4], <span style="font-family: 'Times New Roman', serif;">#
\r
572 <p class="whs3"> dd[0],
\r
573 cc[0], bb[1], cc[1], dd[1], #
\r
576 <p class="whs3"> dd[1],
\r
577 cc[1], bb[2], cc[2], dd[2], #
\r
580 <p class="whs3"> dd[2],
\r
581 cc[2], bb[3], cc[3], dd[3], <span style="font-family: 'Times New Roman', serif;">#
\r
582 - below top</span></p>
\r
584 <p class="whs3"> dd[3],
\r
585 cc[3], bb[4], cc[4], dd[4], #
\r
588 <p class="whs3"> dd[4],
\r
589 cc[4], bb[0], cc[0], dd[0], #
\r
592 <p class="whs3"> aa[4],
\r
593 bb[4], cc[4], bb[0], aa[0], #
\r
596 <p class="whs3"> aa[3],
\r
597 bb[3], cc[3], bb[4], aa[4], #
\r
600 <p class="whs3"> aa[2],
\r
601 bb[2], cc[2], bb[3], aa[3], <span style="font-family: 'Times New Roman', serif;">#
\r
602 . above bottom</span></p>
\r
604 <p class="whs3"> aa[1],
\r
605 bb[1], cc[1], bb[2], aa[2], #
\r
608 <p class="whs3"> aa[0],
\r
609 bb[0], cc[0], bb[1], aa[1], #
\r
612 <p class="whs3"> aa[0],
\r
613 aa[1], aa[2], aa[3], aa[4]], <span style="font-family: 'Times New Roman', serif;">#
\r
616 <p class="whs3"> [5,5,5,5,5,5,5,5,5,5,5,5])</p>
\r
618 <p class="whs3">salome.sg.updateObjBrowser(1)
\r
621 <p class="whs3"> </p>
\r
623 <h3><a name=bookmark1>Removing Nodes and Elements</a></h3>
\r
625 <p class="whs1"><span style="font-weight: bold; color: #ff0000;"><font color=red ><B>#
\r
626 Attention! This script has been written using the old approach basing
\r
627 on direct usage of SMESH idl interface.</B></font></span></p>
\r
629 <p class="whs1"># For the moment smesh package doesn't provide
\r
630 methods to remove nodes and elements. </p>
\r
632 <p class="whs1"># In the next SALOME version the scripts will
\r
633 be updated to use only the commands from smesh package.</p>
\r
635 <h4 class="whs5"> </h4>
\r
637 <h4 class="whs5">Removing Nodes</h4>
\r
639 <p class="whs2"> </p>
\r
641 <p class="whs3"><span style="font-family: 'Lucida Console', monospace;">import
\r
642 SMESH_mechanic</span></p>
\r
644 <p class="whs3"> </p>
\r
646 <p class="whs3">mesh = SMESH_mechanic.mesh</p>
\r
648 <p class="whs3">aMeshEditor = mesh.GetMeshEditor()</p>
\r
650 <p class="whs3"> </p>
\r
652 <p class="whs4"># remove nodes #246
\r
655 <p class="whs3">res = aMeshEditor.RemoveNodes([246,
\r
658 <p class="whs3">if res == 1: print
\r
659 "Nodes removing is OK!"</p>
\r
661 <p class="whs3">else: print
\r
662 "KO nodes removing." </p>
\r
664 <p class="whs2"> </p>
\r
666 <h4>Removing Elements</h4>
\r
668 <p class="whs3"><span style="font-family: 'Lucida Console', monospace;">import
\r
669 SMESH_mechanic</span></p>
\r
671 <p class="whs3">mesh = SMESH_mechanic.mesh</p>
\r
673 <p class="whs3"> </p>
\r
675 <p class="whs3">anEditor = mesh.GetMeshEditor()</p>
\r
677 <p class="whs3"> </p>
\r
679 <p class="whs4"># remove three elements:
\r
680 #850, #859 and #814</p>
\r
682 <p class="whs3">res = anEditor.RemoveElements([850,
\r
685 <p class="whs3">if res == 1: print
\r
686 "Elements removing is OK!"</p>
\r
688 <p class="whs3">else: print
\r
689 "KO Elements removing." </p>
\r
691 <p class="whs3"> </p>
\r
693 <h3><a name=bookmark2>Renumbering Nodes and Elements</a></h3>
\r
695 <p class="whs1"><span style="font-weight: bold; color: #ff0000;"><font color=red ><B>#
\r
696 Attention! This script has been written using the old approach basing
\r
697 on direct usage of SMESH idl interface.</B></font></span></p>
\r
699 <p class="whs1"># For the moment smesh package doesn't provide
\r
700 methods to renumber nodes and elements. </p>
\r
702 <p class="whs1"># In the next SALOME version the scripts will
\r
703 be updated to use only the commands from smesh package.</p>
\r
705 <p class="whs6"> </p>
\r
707 <p class="whs6">import SMESH_mechanic</p>
\r
709 <p class="whs6"> </p>
\r
711 <p class="whs6">mesh = SMESH_mechanic.mesh</p>
\r
713 <p class="whs6">anEditor = mesh.GetMeshEditor()</p>
\r
715 <p class="whs7"> </p>
\r
717 <p class="whs7"><span style="font-family: 'Lucida Console', monospace;">anEditor.RenumberNodes()</span>
\r
720 <h3><a name=bookmark3>Moving Nodes</a></h3>
\r
722 <p class="whs1"><span style="font-weight: bold; color: #ff0000;"><font color=red ><B>#
\r
723 Attention! This script has been written using the old approach basing
\r
724 on direct usage of SMESH idl interface.</B></font></span></p>
\r
726 <p class="whs1"># For the moment smesh package doesn't provide
\r
727 methods to move nodes. </p>
\r
729 <p class="whs1"># In the next SALOME version the scripts will
\r
730 be updated to use only the commands from smesh package.</p>
\r
732 <p class="whs3"> </p>
\r
734 <p class="whs3">import SMESH</p>
\r
736 <p class="whs3">import SMESH_mechanic</p>
\r
738 <p class="whs3"> </p>
\r
740 <p class="whs3">mesh = SMESH_mechanic.mesh</p>
\r
742 <p class="whs3">aMeshEditor = mesh.GetMeshEditor()</p>
\r
744 <p class="whs2"> </p>
\r
746 <p class="whs2"># move node #38</p>
\r
748 <p class="whs3">aMeshEditor.MoveNode(38,
\r
751 <p class="whs2"> </p>
\r
753 <h3><a name=bookmark4>Diagonal Inversion</a></h3>
\r
755 <p class="whs1"><span style="font-weight: bold; color: #ff0000;"><font color=red ><B>#
\r
756 Attention! This script has been written using the old approach basing
\r
757 on direct usage of SMESH idl interface.</B></font></span></p>
\r
759 <p class="whs1"># For the moment smesh package doesn't provide
\r
760 methods to produce a diagonal inversion. </p>
\r
762 <p class="whs1"># In the next SALOME version the scripts will
\r
763 be updated to use only the commands from smesh package.</p>
\r
765 <p class="whs7"> </p>
\r
767 <p class="whs6">import salome</p>
\r
769 <p class="whs6">import smesh</p>
\r
771 <p class="whs6"> </p>
\r
773 <p class="whs8"># create an empty mesh
\r
776 <p class="whs6">gen = smesh.smesh</p>
\r
778 <p class="whs6">mesh = gen.CreateEmptyMesh()</p>
\r
780 <p class="whs6">aMeshEditor = mesh.GetMeshEditor()</p>
\r
782 <p class="whs6"> </p>
\r
784 <p class="whs8"># create the following
\r
787 <p class="whs6"># .----.----.----.</p>
\r
789 <p class="whs6"># | /|
\r
793 <p class="whs6"># | /
\r
794 | / | /
\r
797 <p class="whs6"># | / |
\r
798 / | / |</p>
\r
800 <p class="whs6"># |/ |/
\r
804 <p class="whs6"># .----.----.----.</p>
\r
806 <p class="whs6"> </p>
\r
808 <p class="whs6">bb = [0, 0, 0, 0]</p>
\r
810 <p class="whs6">tt = [0, 0, 0, 0]</p>
\r
812 <p class="whs6">ff = [0, 0, 0, 0,
\r
815 <p class="whs6"> </p>
\r
817 <p class="whs6">bb[0] = aMeshEditor.AddNode(
\r
820 <p class="whs6">bb[1] = aMeshEditor.AddNode(10.,
\r
823 <p class="whs6">bb[2] = aMeshEditor.AddNode(20.,
\r
826 <p class="whs6">bb[3] = aMeshEditor.AddNode(30.,
\r
829 <p class="whs6"> </p>
\r
831 <p class="whs6">tt[0] = aMeshEditor.AddNode(
\r
834 <p class="whs6">tt[1] = aMeshEditor.AddNode(10.,
\r
837 <p class="whs6">tt[2] = aMeshEditor.AddNode(20.,
\r
840 <p class="whs6">tt[3] = aMeshEditor.AddNode(30.,
\r
843 <p class="whs6"> </p>
\r
845 <p class="whs6">ff[0] = aMeshEditor.AddFace([bb[0],
\r
848 <p class="whs6">ff[1] = aMeshEditor.AddFace([bb[0],
\r
851 <p class="whs6">ff[2] = aMeshEditor.AddFace([bb[1],
\r
854 <p class="whs6">ff[3] = aMeshEditor.AddFace([bb[1],
\r
857 <p class="whs6">ff[4] = aMeshEditor.AddFace([bb[2],
\r
860 <p class="whs6">ff[5] = aMeshEditor.AddFace([bb[2],
\r
863 <p class="whs6"> </p>
\r
865 <p class="whs8"># inverse the diagonal
\r
868 <p class="whs6">print "\nDiagonal
\r
869 inversion ... ",</p>
\r
871 <p class="whs6">res = aMeshEditor.InverseDiag(bb[1],
\r
874 <p class="whs6">if not res: print
\r
875 "failed!"</p>
\r
877 <p class="whs6">else: print
\r
878 "done."</p>
\r
880 <p class="whs7"> </p>
\r
882 <p class="whs7"><span style="font-family: 'Lucida Console', monospace;">salome.sg.updateObjBrowser(1)</span>
\r
885 <h3><a name=bookmark5>Uniting two Triangles</a></h3>
\r
887 <p class="whs1"><span style="font-weight: bold; color: #ff0000;"><font color=red ><B>#
\r
888 Attention! This script has been written using the old approach basing
\r
889 on direct usage of SMESH idl interface.</B></font></span></p>
\r
891 <p class="whs1"># For the moment smesh package doesn't provide
\r
892 methods to unite two triangles. </p>
\r
894 <p class="whs1"># In the next SALOME version the scripts will
\r
895 be updated to use only the commands from smesh package.</p>
\r
899 <p class="whs9">import salome</p>
\r
901 <p class="whs9">import smesh</p>
\r
905 <p># create an empty mesh structure</p>
\r
907 <p class="whs9">gen = smesh.smesh</p>
\r
909 <p class="whs9">mesh = gen.CreateEmptyMesh()</p>
\r
911 <p class="whs9">aMeshEditor = mesh.GetMeshEditor()</p>
\r
915 <p># create the following mesh:</p>
\r
917 <p class="whs9"># .----.----.----.</p>
\r
919 <p class="whs9"># | /|
\r
923 <p class="whs9"># | /
\r
924 | / | /
\r
927 <p class="whs9"># | / |
\r
928 / | / |</p>
\r
930 <p class="whs9"># |/ |/
\r
934 <p class="whs9"># .----.----.----.</p>
\r
938 <p class="whs9">bb = [0, 0, 0, 0]</p>
\r
940 <p class="whs9">tt = [0, 0, 0, 0]</p>
\r
942 <p class="whs9">ff = [0, 0, 0, 0,
\r
945 <p class="whs9"> </p>
\r
947 <p class="whs9">bb[0] = aMeshEditor.AddNode(
\r
950 <p class="whs9">bb[1] = aMeshEditor.AddNode(10.,
\r
953 <p class="whs9">bb[2] = aMeshEditor.AddNode(20.,
\r
956 <p class="whs9">bb[3] = aMeshEditor.AddNode(30.,
\r
959 <p class="whs9"> </p>
\r
961 <p class="whs9">tt[0] = aMeshEditor.AddNode(
\r
964 <p class="whs9">tt[1] = aMeshEditor.AddNode(10.,
\r
967 <p class="whs9">tt[2] = aMeshEditor.AddNode(20.,
\r
970 <p class="whs9">tt[3] = aMeshEditor.AddNode(30.,
\r
973 <p class="whs9"> </p>
\r
975 <p class="whs9">ff[0] = aMeshEditor.AddFace([bb[0],
\r
978 <p class="whs9">ff[1] = aMeshEditor.AddFace([bb[0],
\r
981 <p class="whs9">ff[2] = aMeshEditor.AddFace([bb[1],
\r
984 <p class="whs9">ff[3] = aMeshEditor.AddFace([bb[1],
\r
987 <p class="whs9">ff[4] = aMeshEditor.AddFace([bb[2],
\r
990 <p class="whs9">ff[5] = aMeshEditor.AddFace([bb[2],
\r
995 <p># delete the diagonal bb[1] - tt[2]</p>
\r
997 <p class="whs9">print "\nUnite
\r
998 two triangles ... ",</p>
\r
1000 <p class="whs9">res = aMeshEditor.DeleteDiag(bb[1],
\r
1003 <p class="whs9">if not res: print
\r
1004 "failed!"</p>
\r
1006 <p class="whs9">else: print
\r
1007 "done."</p>
\r
1009 <p class="whs9"> </p>
\r
1011 <p><span style="font-family: 'Lucida Console', monospace;">salome.sg.updateObjBrowser(1)</span>
\r
1014 <h3><a name=bookmark6>Uniting a Set of Triangles</a></h3>
\r
1016 <p class="whs1"><span style="font-weight: bold; color: #ff0000;"><font color=red ><B>#
\r
1017 Attention! This script has been written using the old approach basing
\r
1018 on direct usage of SMESH idl interface.</B></font></span></p>
\r
1020 <p class="whs1"># For the moment smesh package doesn't provide
\r
1021 methods to unite a set of triangles. </p>
\r
1023 <p class="whs1"># In the next SALOME version the scripts will
\r
1024 be updated to use only the commands from smesh package.</p>
\r
1026 <p class="whs10"> </p>
\r
1028 <p class="whs9">import salome</p>
\r
1030 <p class="whs9">import smesh</p>
\r
1032 <p class="whs9"> </p>
\r
1034 <p class="whs10"># create an empty mesh
\r
1037 <p class="whs9">gen = smesh.smesh</p>
\r
1039 <p class="whs9">mesh = gen.CreateEmptyMesh()</p>
\r
1041 <p class="whs9">aMeshEditor = mesh.GetMeshEditor()</p>
\r
1043 <p class="whs9"> </p>
\r
1045 <p class="whs10"># create the following
\r
1048 <p class="whs9"># .----.----.----.</p>
\r
1050 <p class="whs9"># | /|
\r
1052 /|</p>
\r
1054 <p class="whs9"># | /
\r
1055 | / | /
\r
1058 <p class="whs9"># | / |
\r
1059 / | / |</p>
\r
1061 <p class="whs9"># |/ |/
\r
1065 <p class="whs9"># .----.----.----.</p>
\r
1067 <p class="whs9"> </p>
\r
1069 <p class="whs9">bb = [0, 0, 0, 0]</p>
\r
1071 <p class="whs9">tt = [0, 0, 0, 0]</p>
\r
1073 <p class="whs9">ff = [0, 0, 0, 0,
\r
1076 <p class="whs9"> </p>
\r
1078 <p class="whs9">bb[0] = aMeshEditor.AddNode(
\r
1081 <p class="whs9">bb[1] = aMeshEditor.AddNode(10.,
\r
1084 <p class="whs9">bb[2] = aMeshEditor.AddNode(20.,
\r
1087 <p class="whs9">bb[3] = aMeshEditor.AddNode(30.,
\r
1090 <p class="whs9"> </p>
\r
1092 <p class="whs9">tt[0] = aMeshEditor.AddNode(
\r
1095 <p class="whs9">tt[1] = aMeshEditor.AddNode(10.,
\r
1098 <p class="whs9">tt[2] = aMeshEditor.AddNode(20.,
\r
1101 <p class="whs9">tt[3] = aMeshEditor.AddNode(30.,
\r
1104 <p class="whs9"> </p>
\r
1106 <p class="whs9">ff[0] = aMeshEditor.AddFace([bb[0],
\r
1107 bb[1], tt[1]])</p>
\r
1109 <p class="whs9">ff[1] = aMeshEditor.AddFace([bb[0],
\r
1110 tt[1], tt[0]])</p>
\r
1112 <p class="whs9">ff[2] = aMeshEditor.AddFace([bb[1],
\r
1113 bb[2], tt[2]])</p>
\r
1115 <p class="whs9">ff[3] = aMeshEditor.AddFace([bb[1],
\r
1116 tt[2], tt[1]])</p>
\r
1118 <p class="whs9">ff[4] = aMeshEditor.AddFace([bb[2],
\r
1119 bb[3], tt[3]])</p>
\r
1121 <p class="whs9">ff[5] = aMeshEditor.AddFace([bb[2],
\r
1122 tt[3], tt[2]])</p>
\r
1124 <p class="whs9"> </p>
\r
1126 <p class="whs10"># unite a set of triangles</p>
\r
1128 <p class="whs9">aFilterMgr = smesh.smesh.CreateFilterManager()</p>
\r
1130 <p class="whs9">aFunctor = aFilterMgr.CreateMinimumAngle()</p>
\r
1132 <p class="whs9">print "\nUnite
\r
1133 a set of triangles ... ",</p>
\r
1135 <p class="whs9">res = aMeshEditor.TriToQuad([ff[2],
\r
1136 ff[3], ff[4], ff[5]], aFunctor, 60.)</p>
\r
1138 <p class="whs9">if not res: print
\r
1139 "failed!"</p>
\r
1141 <p class="whs9">else: print
\r
1142 "done."</p>
\r
1144 <p class="whs9"> </p>
\r
1146 <p class="whs9">salome.sg.updateObjBrowser(1)
\r
1149 <h3><a name=bookmark12>Orientation</a></h3>
\r
1151 <p class="whs1"><span style="font-weight: bold; color: #ff0000;"><font color=red ><B>#
\r
1152 Attention! This script has been written using the old approach basing
\r
1153 on direct usage of SMESH idl interface.</B></font></span></p>
\r
1155 <p class="whs1"># For the moment smesh package doesn't provide
\r
1156 methods to change orientation. </p>
\r
1158 <p class="whs1"># In the next SALOME version the scripts will
\r
1159 be updated to use only the commands from smesh package.</p>
\r
1161 <p class="whs9"> </p>
\r
1163 <p class="whs9">import salome</p>
\r
1165 <p class="whs9">import smesh</p>
\r
1167 <p class="whs9"> </p>
\r
1169 <p class="whs10"># SMESH module</p>
\r
1171 <p class="whs9">gen = smesh.smesh</p>
\r
1173 <p class="whs9">mesh = gen.CreateEmptyMesh()</p>
\r
1175 <p class="whs9">MeshEditor = mesh.GetMeshEditor()</p>
\r
1177 <p class="whs9"> </p>
\r
1179 <p class="whs10"># build five quadrangles:</p>
\r
1181 <p class="whs9">dx = 10</p>
\r
1183 <p class="whs9">dy = 20</p>
\r
1185 <p class="whs9"> </p>
\r
1187 <p class="whs9">n1 =
\r
1188 MeshEditor.AddNode(0.0 * dx, 0, 0)</p>
\r
1190 <p class="whs9">n2 =
\r
1191 MeshEditor.AddNode(1.0 * dx, 0, 0)</p>
\r
1193 <p class="whs9">n3 =
\r
1194 MeshEditor.AddNode(2.0 * dx, 0, 0)</p>
\r
1196 <p class="whs9">n4 =
\r
1197 MeshEditor.AddNode(3.0 * dx, 0, 0)</p>
\r
1199 <p class="whs9">n5 =
\r
1200 MeshEditor.AddNode(4.0 * dx, 0, 0)</p>
\r
1202 <p class="whs9">n6 =
\r
1203 MeshEditor.AddNode(5.0 * dx, 0, 0)</p>
\r
1205 <p class="whs9">n7 =
\r
1206 MeshEditor.AddNode(0.0 * dx, dy, 0)</p>
\r
1208 <p class="whs9">n8 =
\r
1209 MeshEditor.AddNode(1.0 * dx, dy, 0)</p>
\r
1211 <p class="whs9">n9 =
\r
1212 MeshEditor.AddNode(2.0 * dx, dy, 0)</p>
\r
1214 <p class="whs9">n10 = MeshEditor.AddNode(3.0
\r
1217 <p class="whs9">n11 = MeshEditor.AddNode(4.0
\r
1220 <p class="whs9">n12 = MeshEditor.AddNode(5.0
\r
1223 <p class="whs9"> </p>
\r
1225 <p class="whs9">f1 = MeshEditor.AddFace([n1,
\r
1226 n2, n8 , n7 ])</p>
\r
1228 <p class="whs9">f2 = MeshEditor.AddFace([n2,
\r
1229 n3, n9 , n8 ])</p>
\r
1231 <p class="whs9">f3 = MeshEditor.AddFace([n3,
\r
1232 n4, n10, n9 ])</p>
\r
1234 <p class="whs9">f4 = MeshEditor.AddFace([n4,
\r
1235 n5, n11, n10])</p>
\r
1237 <p class="whs9">f5 = MeshEditor.AddFace([n5,
\r
1238 n6, n12, n11])</p>
\r
1240 <p class="whs9"> </p>
\r
1242 <p class="whs10"># Change the orientation
\r
1243 of the second and the fourth faces.</p>
\r
1245 <p class="whs9">MeshEditor.Reorient([2,
\r
1248 <p class="whs9"> </p>
\r
1250 <p class="whs9">salome.sg.updateObjBrowser(1)
\r
1253 <p class="whs9"> </p>
\r
1255 <h3><a name=bookmark7>Cutting Quadrangles</a></h3>
\r
1257 <p class="whs1"><span style="font-weight: bold; color: #ff0000;"><font color=red ><B>#
\r
1258 Attention! This script has been written using the old approach basing
\r
1259 on direct usage of SMESH idl interface.</B></font></span></p>
\r
1261 <p class="whs1"># For the moment smesh package doesn't provide
\r
1262 methods to cut quadrangles. </p>
\r
1264 <p class="whs1"># In the next SALOME version the scripts will
\r
1265 be updated to use only the commands from smesh package.</p>
\r
1267 <p class="whs9"> </p>
\r
1269 <p class="whs9">import SMESH</p>
\r
1271 <p class="whs9">import SMESH_mechanic</p>
\r
1273 <p class="whs9"> </p>
\r
1275 <p class="whs9">smesh = SMESH_mechanic.smesh</p>
\r
1277 <p class="whs9">mesh =
\r
1278 SMESH_mechanic.mesh</p>
\r
1280 <p class="whs9"> </p>
\r
1282 <p class="whs10"># cut two quadrangles:
\r
1285 <p class="whs9">aFilterMgr = smesh.CreateFilterManager()</p>
\r
1287 <p class="whs9">aFunctor = aFilterMgr.CreateMinimumAngle()</p>
\r
1289 <p class="whs9"> </p>
\r
1291 <p class="whs9">aMeshEditor = mesh.GetMeshEditor()</p>
\r
1293 <p class="whs9">aMeshEditor.QuadToTri([405,
\r
1294 406], aFunctor) </p>
\r
1296 <p class="whs10"> </p>
\r
1298 <h3><a name=bookmark8>Smoothing</a></h3>
\r
1300 <p class="whs1"><span style="font-weight: bold; color: #ff0000;"><font color=red ><B>#
\r
1301 Attention! This script has been written using the old approach basing
\r
1302 on direct usage of SMESH idl interface.</B></font></span></p>
\r
1304 <p class="whs1"># For the moment smesh package doesn't provide
\r
1305 methods to perform smoothing. </p>
\r
1307 <p class="whs1"># In the next SALOME version the scripts will
\r
1308 be updated to use only the commands from smesh package.</p>
\r
1310 <p class="whs1"> </p>
\r
1312 <p class="whs9">import salome</p>
\r
1314 <p class="whs9">import geompy</p>
\r
1316 <p class="whs9"> </p>
\r
1318 <p class="whs9">import SMESH</p>
\r
1320 <p class="whs9">import SMESH_mechanic</p>
\r
1322 <p class="whs9"> </p>
\r
1324 <p class="whs9">mesh = SMESH_mechanic.mesh</p>
\r
1326 <p class="whs9">aMeshEditor = mesh.GetMeshEditor()</p>
\r
1328 <p class="whs9"> </p>
\r
1330 <p class="whs10"># select the top face</p>
\r
1332 <p class="whs9">faces = geompy.SubShapeAllSorted(SMESH_mechanic.shape_mesh,
\r
1333 geompy.ShapeType["FACE"])</p>
\r
1335 <p class="whs9">face = faces[3]</p>
\r
1337 <p class="whs9">geompy.addToStudyInFather(SMESH_mechanic.shape_mesh,
\r
1338 face, "face planar with hole")</p>
\r
1340 <p class="whs9"> </p>
\r
1342 <p class="whs10"># create a group of faces
\r
1343 to be smoothed</p>
\r
1345 <p class="whs9">GroupSmooth = mesh.CreateGroupFromGEOM(SMESH.FACE,
\r
1346 "Group of faces (smooth)", face)</p>
\r
1348 <p class="whs9"> </p>
\r
1350 <p class="whs10"># perform smoothing</p>
\r
1352 <p class="whs10"># boolean SmoothObject(Object,
\r
1353 IDsOfFixedNodes, MaxNbOfIterations, MaxAspectRatio, Method)</p>
\r
1355 <p class="whs9">res = aMeshEditor.SmoothObject(GroupSmooth,
\r
1356 [], 20, 2., SMESH.SMESH_MeshEditor.CENTROIDAL_SMOOTH)</p>
\r
1358 <p class="whs9"> </p>
\r
1360 <p class="whs9">print "\nSmoothing
\r
1363 <p class="whs9">if not res: print
\r
1364 "failed!"</p>
\r
1366 <p class="whs9">else: print
\r
1367 "done."</p>
\r
1369 <p class="whs9"> </p>
\r
1371 <p class="whs9">salome.sg.updateObjBrowser(1)
\r
1374 <p class="whs9"> </p>
\r
1376 <h3><a name=bookmark9>Extrusion</a></h3>
\r
1378 <p class="whs1"><span style="font-weight: bold; color: #ff0000;"><font color=red ><B>#
\r
1379 Attention! This script has been written using the old approach basing
\r
1380 on direct usage of SMESH idl interface.</B></font></span></p>
\r
1382 <p class="whs1"># For the moment smesh package doesn't provide
\r
1383 methods to perform extrusion. </p>
\r
1385 <p class="whs1"># In the next SALOME version the scripts will
\r
1386 be updated to use only the commands from smesh package.</p>
\r
1388 <p class="whs9"> </p>
\r
1390 <p class="whs9">import salome</p>
\r
1392 <p class="whs9">import geompy</p>
\r
1394 <p class="whs9"> </p>
\r
1396 <p class="whs9">import SMESH</p>
\r
1398 <p class="whs9">import SMESH_mechanic</p>
\r
1400 <p class="whs9"> </p>
\r
1402 <p class="whs9">mesh = SMESH_mechanic.mesh</p>
\r
1404 <p class="whs9">aMeshEditor = mesh.GetMeshEditor()</p>
\r
1406 <p class="whs9"> </p>
\r
1408 <p class="whs10"># select the top face</p>
\r
1410 <p class="whs9">faces = geompy.SubShapeAllSorted(SMESH_mechanic.shape_mesh,
\r
1411 geompy.ShapeType["FACE"])</p>
\r
1413 <p class="whs9">face = faces[7]</p>
\r
1415 <p class="whs9">geompy.addToStudyInFather(SMESH_mechanic.shape_mesh,
\r
1416 face, "face circular top")</p>
\r
1418 <p class="whs9"> </p>
\r
1420 <p class="whs10"># create a vector for
\r
1423 <p class="whs9">point = SMESH.PointStruct(0.,
\r
1426 <p class="whs9">vector = SMESH.DirStruct(point)</p>
\r
1428 <p class="whs9"> </p>
\r
1430 <p class="whs10"># create a group to be
\r
1433 <p class="whs9">GroupTri = mesh.CreateGroupFromGEOM(SMESH.FACE,
\r
1434 "Group of faces (extrusion)", face)</p>
\r
1436 <p class="whs9"> </p>
\r
1438 <p class="whs10"># perform extrusion of
\r
1441 <p class="whs9">aMeshEditor.ExtrusionSweepObject(GroupTri,
\r
1444 <p class="whs10"> </p>
\r
1446 <p class="whs10"><span style="font-family: 'Lucida Console', monospace;">salome.sg.updateObjBrowser(1)</span>
\r
1449 <h3><a name=bookmark10>Extrusion along a Path</a></h3>
\r
1451 <p class="whs1"><span style="font-weight: bold; color: #ff0000;"><font color=red ><B>#
\r
1452 Attention! This script has been written using the old approach basing
\r
1453 on direct usage of SMESH idl interface.</B></font></span></p>
\r
1455 <p class="whs1"># For the moment smesh package doesn't provide
\r
1456 methods to perform extrusion along a path. </p>
\r
1458 <p class="whs1"># In the next SALOME version the scripts will
\r
1459 be updated to use only the commands from smesh package.</p>
\r
1461 <p class="whs9"> </p>
\r
1463 <p class="whs9">import math</p>
\r
1465 <p class="whs9">import salome</p>
\r
1467 <p class="whs9"> </p>
\r
1469 <p class="whs10"># Geometry</p>
\r
1471 <p class="whs9">import geompy</p>
\r
1473 <p class="whs10"> </p>
\r
1475 <p class="whs10"># 1. Create points</p>
\r
1477 <p class="whs9">points = [[0, 0],
\r
1478 [50, 30], [50, 110], [0, 150], [-80, 150], [-130, 70], [-130, -20]]</p>
\r
1480 <p class="whs9"> </p>
\r
1482 <p class="whs9">iv = 1</p>
\r
1484 <p class="whs9">vertices = []</p>
\r
1486 <p class="whs9">for point in points:</p>
\r
1488 <p class="whs11">vert
\r
1489 = geompy.MakeVertex(point[0], point[1], 0)</p>
\r
1491 <p class="whs11">geompy.addToStudy(vert,
\r
1492 "Vertex_" + `iv`)</p>
\r
1494 <p class="whs11">vertices.append(vert)</p>
\r
1496 <p class="whs11">iv
\r
1499 <p class="whs11">pass</p>
\r
1501 <p class="whs10"> </p>
\r
1503 <p class="whs10"># 2. Create edges and
\r
1506 <p class="whs9">Edge_straight = geompy.MakeEdge(vertices[0],
\r
1509 <p class="whs9">Edge_bezierrr = geompy.MakeBezier(vertices)</p>
\r
1511 <p class="whs9">Wire_polyline = geompy.MakePolyline(vertices)</p>
\r
1513 <p class="whs9">Edge_Circle =
\r
1514 geompy.MakeCircleThreePnt(vertices[0], vertices[1], vertices[2])</p>
\r
1516 <p class="whs9"> </p>
\r
1518 <p class="whs9">geompy.addToStudy(Edge_straight,
\r
1519 "Edge_straight")</p>
\r
1521 <p class="whs9">geompy.addToStudy(Edge_bezierrr,
\r
1522 "Edge_bezierrr")</p>
\r
1524 <p class="whs9">geompy.addToStudy(Wire_polyline,
\r
1525 "Wire_polyline")</p>
\r
1527 <p class="whs9">geompy.addToStudy(Edge_Circle
\r
1528 , "Edge_Circle")</p>
\r
1530 <p class="whs10"> </p>
\r
1532 <p class="whs10"># 3. Explode wire on
\r
1533 edges, as they will be used for mesh extrusion</p>
\r
1535 <p class="whs9">Wire_polyline_edges
\r
1536 = geompy.SubShapeAll(Wire_polyline, geompy.ShapeType["EDGE"])</p>
\r
1538 <p class="whs9">for ii in range(len(Wire_polyline_edges)):</p>
\r
1540 <p class="whs11">geompy.addToStudyInFather(Wire_polyline,
\r
1541 Wire_polyline_edges[ii], "Edge_" + `ii + 1`)</p>
\r
1543 <p class="whs11">pass</p>
\r
1545 <p class="whs12"> </p>
\r
1547 <p class="whs10"># Mesh</p>
\r
1549 <p class="whs9">import smesh</p>
\r
1551 <p class="whs9">import SMESH</p>
\r
1553 <p class="whs9"> </p>
\r
1555 <p class="whs9">gen = smesh.smesh</p>
\r
1557 <p class="whs9"> </p>
\r
1559 <p class="whs9">smeshgui = salome.ImportComponentGUI("SMESH")</p>
\r
1561 <p class="whs9">smeshgui.Init(salome.myStudyId)</p>
\r
1563 <p class="whs10"> </p>
\r
1565 <p class="whs10"># 1D algorithm and three
\r
1568 <p class="whs9">Wire_discretisation
\r
1569 = gen.CreateHypothesis('Regular_1D', 'libStdMeshersEngine.so')</p>
\r
1571 <p class="whs9"> </p>
\r
1573 <p class="whs9">Nb_Segments_3 = gen.CreateHypothesis('NumberOfSegments',
\r
1574 'libStdMeshersEngine.so')</p>
\r
1576 <p class="whs9">Nb_Segments_7 = gen.CreateHypothesis('NumberOfSegments',
\r
1577 'libStdMeshersEngine.so')</p>
\r
1579 <p class="whs9">Nb_Segments_8 = gen.CreateHypothesis('NumberOfSegments',
\r
1580 'libStdMeshersEngine.so')</p>
\r
1582 <p class="whs9"> </p>
\r
1584 <p class="whs9">Nb_Segments_3.SetNumberOfSegments(3)</p>
\r
1586 <p class="whs9">Nb_Segments_7.SetNumberOfSegments(7)</p>
\r
1588 <p class="whs9">Nb_Segments_8.SetNumberOfSegments(8)</p>
\r
1590 <p class="whs10"> </p>
\r
1592 <p class="whs10"># Mesh given shape with
\r
1593 given 1d hypothesis</p>
\r
1595 <p class="whs9">def Mesh1D(shape1d,
\r
1598 <p class="whs11">mesh1d_tool
\r
1599 = smesh.Mesh(shape1d)</p>
\r
1601 <p class="whs11">mesh1d
\r
1602 = mesh1d_tool.GetMesh()</p>
\r
1604 <p class="whs11">status
\r
1605 = mesh1d.AddHypothesis(shape1d, hyp1d)</p>
\r
1607 <p class="whs11">status
\r
1608 = mesh1d.AddHypothesis(shape1d, Wire_discretisation)</p>
\r
1610 <p class="whs11">isDone
\r
1611 = mesh1d_tool.Compute()</p>
\r
1613 <p class="whs11">if
\r
1614 not isDone: print 'Mesh ', name, ': computation failed'</p>
\r
1616 <p class="whs11">return
\r
1619 <p class="whs9"> </p>
\r
1621 <p class="whs10"># Create a mesh with
\r
1622 six nodes, seven edges and two quadrangle faces</p>
\r
1624 <p class="whs9">def MakeQuadMesh2(mesh_name):</p>
\r
1626 <p class="whs11">quad_1
\r
1627 = gen.CreateEmptyMesh()</p>
\r
1629 <p class="whs11">smeshgui.SetName(salome.ObjectToID(quad_1),
\r
1632 <p class="whs11">editor_1
\r
1633 = quad_1.GetMeshEditor()</p>
\r
1635 <p class="whs12"> </p>
\r
1637 <p class="whs12"># six nodes</p>
\r
1639 <p class="whs11">n1
\r
1640 = editor_1.AddNode(0, 20, 10)</p>
\r
1642 <p class="whs11">n2
\r
1643 = editor_1.AddNode(0, 40, 10)</p>
\r
1645 <p class="whs11">n3
\r
1646 = editor_1.AddNode(0, 40, 30)</p>
\r
1648 <p class="whs11">n4
\r
1649 = editor_1.AddNode(0, 20, 30)</p>
\r
1651 <p class="whs11">n5
\r
1652 = editor_1.AddNode(0, 0,
\r
1655 <p class="whs11">n6
\r
1656 = editor_1.AddNode(0, 0,
\r
1659 <p class="whs12"> </p>
\r
1661 <p class="whs12"># seven edges</p>
\r
1663 <p class="whs11">editor_1.AddEdge([n1,
\r
1666 <p class="whs11">editor_1.AddEdge([n2,
\r
1669 <p class="whs11">editor_1.AddEdge([n3,
\r
1672 <p class="whs11">editor_1.AddEdge([n4,
\r
1675 <p class="whs11">editor_1.AddEdge([n4,
\r
1678 <p class="whs11">editor_1.AddEdge([n5,
\r
1681 <p class="whs11">editor_1.AddEdge([n6,
\r
1684 <p class="whs12"> </p>
\r
1686 <p class="whs12"># two quadrangle faces</p>
\r
1688 <p class="whs11">editor_1.AddFace([n1,
\r
1689 n2, n3, n4]) # 8</p>
\r
1691 <p class="whs11">editor_1.AddFace([n1,
\r
1692 n4, n5, n6]) # 9</p>
\r
1694 <p class="whs11">return
\r
1695 [quad_1, editor_1, [1,2,3,4,5,6,7], [8,9]]</p>
\r
1697 <p class="whs10"> </p>
\r
1699 <p class="whs10"># Path meshes</p>
\r
1701 <p class="whs9">Edge_straight_mesh
\r
1702 = Mesh1D(Edge_straight, Nb_Segments_7, "Edge_straight")</p>
\r
1704 <p class="whs9">Edge_bezierrr_mesh
\r
1705 = Mesh1D(Edge_bezierrr, Nb_Segments_7, "Edge_bezierrr")</p>
\r
1707 <p class="whs9">Wire_polyline_mesh
\r
1708 = Mesh1D(Wire_polyline, Nb_Segments_3, "Wire_polyline")</p>
\r
1710 <p class="whs9">Edge_Circle_mesh =
\r
1711 Mesh1D(Edge_Circle ,
\r
1712 Nb_Segments_8, "Edge_Circle")</p>
\r
1714 <p class="whs10"> </p>
\r
1716 <p class="whs10"># Initial meshes (to
\r
1719 <p class="whs9">[quad_1, editor_1,
\r
1720 ee_1, ff_1] = MakeQuadMesh2("quad_1")</p>
\r
1722 <p class="whs9">[quad_2, editor_2,
\r
1723 ee_2, ff_2] = MakeQuadMesh2("quad_2")</p>
\r
1725 <p class="whs9">[quad_3, editor_3,
\r
1726 ee_3, ff_3] = MakeQuadMesh2("quad_3")</p>
\r
1728 <p class="whs9">[quad_4, editor_4,
\r
1729 ee_4, ff_4] = MakeQuadMesh2("quad_4")</p>
\r
1731 <p class="whs9">[quad_5, editor_5,
\r
1732 ee_5, ff_5] = MakeQuadMesh2("quad_5")</p>
\r
1734 <p class="whs9">[quad_6, editor_6,
\r
1735 ee_6, ff_6] = MakeQuadMesh2("quad_6")</p>
\r
1737 <p class="whs9">[quad_7, editor_7,
\r
1738 ee_7, ff_7] = MakeQuadMesh2("quad_7")</p>
\r
1740 <p class="whs10"> </p>
\r
1742 <p class="whs10"># ExtrusionAlongPath</p>
\r
1744 <p class="whs10"># IDsOfElements, PathMesh,
\r
1745 PathShape, NodeStart,</p>
\r
1747 <p class="whs10"># HasAngles, Angles,
\r
1748 HasRefPoint, RefPoint</p>
\r
1750 <p class="whs10"> </p>
\r
1752 <p class="whs9">refPoint = SMESH.PointStruct(0,
\r
1755 <p class="whs9"> </p>
\r
1757 <p class="whs9">a10 = 10.0*math.pi/180.0</p>
\r
1759 <p class="whs9">a45 = 45.0*math.pi/180.0</p>
\r
1761 <p class="whs10"> </p>
\r
1763 <p class="whs10"># 1. Extrusion of two
\r
1764 mesh edges along a straight path</p>
\r
1766 <p class="whs9">error = editor_1.ExtrusionAlongPath([1,2],
\r
1767 Edge_straight_mesh, Edge_straight, 1,</p>
\r
1769 <p class="whs13"> 0,
\r
1770 [], 0, refPoint)</p>
\r
1772 <p class="whs10"> </p>
\r
1774 <p class="whs10"># 2. Extrusion of one
\r
1775 mesh edge along a curved path</p>
\r
1777 <p class="whs9">error = editor_2.ExtrusionAlongPath([2],
\r
1778 Edge_bezierrr_mesh, Edge_bezierrr, 1,</p>
\r
1780 <p class="whs13"> 0,
\r
1781 [], 0, refPoint)</p>
\r
1783 <p class="whs10"> </p>
\r
1785 <p class="whs10"># 3. Extrusion of one
\r
1786 mesh edge along a curved path with usage of angles </p>
\r
1788 <p class="whs9">error = editor_3.ExtrusionAlongPath([2],
\r
1789 Edge_bezierrr_mesh, Edge_bezierrr, 1,</p>
\r
1791 <p class="whs13"> 1,
\r
1792 [a45, a45, a45, 0, -a45, -a45, -a45], 0, refPoint)</p>
\r
1794 <p class="whs10"> </p>
\r
1796 <p class="whs10"># 4. Extrusion of one
\r
1797 mesh edge along the path, which is a part of a meshed wire</p>
\r
1799 <p class="whs9">error = editor_4.ExtrusionAlongPath([4],
\r
1800 Wire_polyline_mesh, Wire_polyline_edges[0], 1,</p>
\r
1802 <p class="whs13"> 1,
\r
1803 [a10, a10, a10], 0, refPoint)</p>
\r
1805 <p class="whs10"> </p>
\r
1807 <p class="whs10"># 5. Extrusion of two
\r
1808 mesh faces along the path, which is a part of a meshed wire</p>
\r
1810 <p class="whs9">error = editor_5.ExtrusionAlongPath(ff_5
\r
1811 , Wire_polyline_mesh, Wire_polyline_edges[2], 4,</p>
\r
1813 <p class="whs13"> 0,
\r
1814 [], 0, refPoint)</p>
\r
1816 <p class="whs10"> </p>
\r
1818 <p class="whs10"># 6. Extrusion of two
\r
1819 mesh faces along a closed path</p>
\r
1821 <p class="whs9">error = editor_6.ExtrusionAlongPath(ff_6
\r
1822 , Edge_Circle_mesh, Edge_Circle, 1,</p>
\r
1824 <p class="whs13"> 0,
\r
1825 [], 0, refPoint)</p>
\r
1827 <p class="whs10"> </p>
\r
1829 <p class="whs10"># 7. Extrusion of two
\r
1830 mesh faces along a closed path with usage of angles </p>
\r
1832 <p class="whs9">error = editor_7.ExtrusionAlongPath(ff_7,
\r
1833 Edge_Circle_mesh, Edge_Circle, 1,</p>
\r
1835 <p class="whs13"> 1,
\r
1836 [a45, -a45, a45, -a45, a45, -a45, a45, -a45], 0, refPoint</p>
\r
1838 <p class="whs13"> </p>
\r
1840 <p class="whs14">salome.sg.updateObjBrowser(1)</p>
\r
1842 <h3><a name=bookmark11>Revolution</a></h3>
\r
1844 <p class="whs1"><span style="font-weight: bold; color: #ff0000;"><font color=red ><B>#
\r
1845 Attention! This script has been written using the old approach basing
\r
1846 on direct usage of SMESH idl interface.</B></font></span></p>
\r
1848 <p class="whs1"># For the moment smesh package doesn't provide
\r
1849 methods to perform revolution. </p>
\r
1851 <p class="whs1"># In the next SALOME version the scripts will
\r
1852 be updated to use only the commands from smesh package.</p>
\r
1854 <p class="whs1"> </p>
\r
1856 <p class="whs9">import math</p>
\r
1858 <p class="whs9">import SMESH</p>
\r
1860 <p class="whs9">import SMESH_mechanic</p>
\r
1862 <p class="whs9"> </p>
\r
1864 <p class="whs9">mesh = SMESH_mechanic.mesh</p>
\r
1866 <p class="whs9">aMeshEditor = mesh.GetMeshEditor()</p>
\r
1868 <p class="whs9"> </p>
\r
1870 <p class="whs10"># create a group of faces
\r
1871 to be revolved</p>
\r
1873 <p class="whs9">FacesRotate = [492,
\r
1874 493, 502, 503]</p>
\r
1876 <p class="whs9">GroupRotate = mesh.CreateGroup(SMESH.FACE,"Group
\r
1877 of faces (rotate)")</p>
\r
1879 <p class="whs9">GroupRotate.Add(FacesRotate)</p>
\r
1881 <p class="whs10"> </p>
\r
1883 <p class="whs10"># define revolution angle
\r
1886 <p class="whs9">angle45 = 45 * math.pi
\r
1889 <p class="whs9">axisXYZ = SMESH.AxisStruct(-38.3128,
\r
1890 -73.3658, -23.321, -13.3402, -13.3265, 6.66632)</p>
\r
1892 <p class="whs9"> </p>
\r
1894 <p class="whs10"># perform revolution
\r
1897 <p class="whs9">aMeshEditor.RotationSweepObject(GroupRotate,
\r
1898 axisXYZ, angle45, 4, 1e-5) </p>
\r
1900 <p class="whs10"> </p>
\r
1902 <h3><a name=bookmark13>Pattern Mapping</a></h3>
\r
1904 <p class="whs1"><span style="font-weight: bold; color: #ff0000;"><font color=red ><B>#
\r
1905 Attention! This script has been written using the old approach basing
\r
1906 on direct usage of SMESH idl interface.</B></font></span></p>
\r
1908 <p class="whs1"># For the moment smesh package doesn't provide
\r
1909 methods to perform pattern mapping. </p>
\r
1911 <p class="whs1"># In the next SALOME version the scripts will
\r
1912 be updated to use only the commands from smesh package.</p>
\r
1914 <p class="whs9"> </p>
\r
1916 <p class="whs9">import geompy</p>
\r
1918 <p class="whs9">import smesh</p>
\r
1920 <p class="whs9"> </p>
\r
1922 <p class="whs10"># define the geometry</p>
\r
1924 <p class="whs9">Box_1 = geompy.MakeBoxDXDYDZ(200.,
\r
1927 <p class="whs9">geompy.addToStudy(Box_1,
\r
1928 "Box_1")</p>
\r
1930 <p class="whs9"> </p>
\r
1932 <p class="whs9">faces = geompy.SubShapeAll(Box_1,
\r
1933 geompy.ShapeType["FACE"])</p>
\r
1935 <p class="whs9">Face_1 = faces[0]</p>
\r
1937 <p class="whs9">Face_2 = faces[1]</p>
\r
1939 <p class="whs9">geompy.addToStudyInFather(Box_1,
\r
1940 Face_1, "Face_1")</p>
\r
1942 <p class="whs9">geompy.addToStudyInFather(Box_1,
\r
1943 Face_2, "Face_2")</p>
\r
1945 <p class="whs9"> </p>
\r
1947 <p class="whs10"># build a quadrangle
\r
1948 mesh 3x3 on Face_1</p>
\r
1950 <p class="whs9">Mesh_1 = smesh.Mesh(Face_1)</p>
\r
1952 <p class="whs9">algo1D = Mesh_1.Segment()</p>
\r
1954 <p class="whs9">algo1D.NumberOfSegments(3)</p>
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1956 <p class="whs9">Mesh_1.Quadrangle()</p>
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1958 <p class="whs9"> </p>
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1960 <p class="whs9">isDone = Mesh_1.Compute()</p>
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1962 <p class="whs9">if not isDone: print
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1963 'Mesh Mesh_1 : computation failed'</p>
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1965 <p class="whs9"> </p>
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1967 <p class="whs10"># build a triangle mesh
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1970 <p class="whs9">Mesh_2 = smesh.Mesh(Face_2)</p>
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1972 <p class="whs9">algo1D = Mesh_2.Segment()</p>
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1974 <p class="whs9">algo1D.NumberOfSegments(1)</p>
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1976 <p class="whs9">algo2D = Mesh_2.Triangle()</p>
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1978 <p class="whs9">algo2D.MaxElementArea(240)</p>
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1980 <p class="whs9">isDone = Mesh_2.Compute()</p>
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1982 <p class="whs9">if not isDone: print
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1983 'Mesh Mesh_2 : computation failed'</p>
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1985 <p class="whs9"> </p>
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1987 <p class="whs10"># create a pattern</p>
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1989 <p class="whs9">pattern = smesh.smesh.GetPattern()</p>
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1991 <p class="whs9">isDone = pattern.LoadFromFace(Mesh_2.GetMesh(),
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1994 <p class="whs9">if (isDone != 1):
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1995 print 'LoadFromFace :', pattern.GetErrorCode()</p>
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1997 <p class="whs9"> </p>
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1999 <p class="whs10"># apply the pattern to
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2000 a face of the first mesh</p>
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2002 <p class="whs9">pattern.ApplyToMeshFaces(Mesh_1.GetMesh(),
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2005 <p class="whs9">isDone = pattern.MakeMesh(Mesh_1.GetMesh(),
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2008 <p class="whs9">if (isDone != 1):
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2009 print 'MakeMesh :', pattern.GetErrorCode() </p>
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2011 <p class="whs9"> </p>
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2013 <p class="whs10"> </p>
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2015 <script type="text/javascript" language="javascript1.2">
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2017 if (window.writeIntopicBar)
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2018 writeIntopicBar(0);
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