1 <!doctype HTML public "-//W3C//DTD HTML 4.0 Frameset//EN">
6 <title>Grouping Elements</title>
7 <meta http-equiv="content-type" content="text/html; charset=windows-1252">
8 <meta name="generator" content="RoboHelp by eHelp Corporation www.ehelp.com"><style type="text/css">
10 p.whs1 { margin-top:0pt; margin-bottom:0pt; font-family:'Lucida Console' , monospace; }
11 p.whs2 { margin-top:0pt; margin-bottom:0pt; font-family:'Times New Roman' , serif; }
12 p.whs3 { margin-top:0pt; margin-bottom:0pt; }
13 img_whs4 { border:none; width:430px; height:391px; float:none; border-style:none; }
14 img_whs5 { border:none; float:none; width:463px; height:417px; border-style:none; }
15 img_whs6 { border:none; width:541px; height:417px; float:none; border-style:none; }
16 img_whs7 { border:none; width:394px; height:425px; float:none; border-style:none; }
17 img_whs8 { border:none; float:none; width:368px; height:379px; border-style:none; }
18 img_whs9 { border:none; float:none; width:344px; height:381px; border-style:none; }
19 img_whs10 { border:none; width:314px; height:351px; float:none; border-style:none; }
20 img_whs11 { border:none; float:none; width:319px; height:351px; border-style:none; }
21 img_whs12 { border:none; float:none; width:304px; height:352px; border-style:none; }
22 img_whs13 { border:none; width:318px; height:355px; float:none; border-style:none; }
23 img_whs14 { border:none; float:none; width:318px; height:355px; border-style:none; }
24 img_whs15 { border:none; float:none; width:320px; height:354px; border-style:none; }
26 </style><script type="text/javascript" language="JavaScript">
28 if ((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) == 4))
30 var strNSS = "<style type='text/css'>";
31 strNSS += "p.whs1 {margin-top:1pt;margin-bottom:1pt; }";
32 strNSS += "p.whs2 {margin-top:1pt;margin-bottom:1pt; }";
33 strNSS += "p.whs3 {margin-top:1pt;margin-bottom:1pt; }";
35 document.write(strNSS);
39 <script type="text/javascript" language="JavaScript" title="WebHelpInlineScript">
42 if (innerWidth != origWidth || innerHeight != origHeight)
45 if ((parseInt(navigator.appVersion) == 4) && (navigator.appName == "Netscape")) {
46 origWidth = innerWidth;
47 origHeight = innerHeight;
53 <style type="text/css">
55 div.WebHelpPopupMenu { position:absolute; left:0px; top:0px; z-index:4; visibility:hidden; }
56 p.WebHelpNavBar { text-align:right; }
58 </style><script type="text/javascript" language="javascript1.2" src="whmsg.js"></script>
59 <script type="text/javascript" language="javascript" src="whver.js"></script>
60 <script type="text/javascript" language="javascript1.2" src="whproxy.js"></script>
61 <script type="text/javascript" language="javascript1.2" src="whutils.js"></script>
62 <script type="text/javascript" language="javascript1.2" src="whtopic.js"></script>
63 <script type="text/javascript" language="javascript1.2">
67 if (window.setRelStartPage)
69 addTocInfo("MESH module\nTUI Scripts\nGrouping Elements");
70 addButton("show",BTN_IMG,"Show","","","","",0,0,"whd_show0.gif","whd_show2.gif","whd_show1.gif");
71 addButton("hide",BTN_IMG,"Hide","","","","",0,0,"whd_hide0.gif","whd_hide2.gif","whd_hide1.gif");
76 if (window.setRelStartPage)
78 setRelStartPage("index.htm");
88 document.location.reload();
92 <body><script type="text/javascript" language="javascript1.2">
94 if (window.writeIntopicBar)
98 <h1>Grouping Elements</h1>
100 <h3><a name=bookmark>Create a Standalone Group</a></h3>
102 <p class="whs1">import SMESH_mechanic</p>
104 <p class="whs1"> </p>
106 <p class="whs1">smesh =
107 SMESH_mechanic.smesh</p>
109 <p class="whs1">mesh =
110 SMESH_mechanic.mesh</p>
112 <p class="whs1">salome = SMESH_mechanic.salome</p>
114 <p class="whs1"> </p>
116 <p class="whs2"># Get ids of all faces
117 with area > 100 </p>
119 <p class="whs1">aFilter = smesh.GetFilter(smesh.FACE,
120 smesh.FT_Area, smesh.FT_MoreThan, 100.)</p>
122 <p class="whs1"> </p>
124 <p class="whs1">anIds = mesh.GetIdsFromFilter(aFilter)
127 <p class="whs1"> </p>
129 <p class="whs3"># create a group consisting
130 of faces with area > 100</p>
132 <p class="whs1"> </p>
134 <p class="whs1">aGroup = mesh.MakeGroupByIds("Area
135 > 100", smesh.FACE, anIds)</p>
137 <p class="whs1"> </p>
139 <p class="whs3"><span style="font-family: 'Lucida Console', monospace;">salome.sg.updateObjBrowser(1)</span>
142 <p class="whs3"> </p>
144 <p class="whs3"><img src="pics/create_group.png" x-maintain-ratio="TRUE" width="430px" height="391px" border="0" class="img_whs4"></p>
146 <h3><a name=bookmark5>Create a Group on Geometry</a></h3>
148 <p class="whs1">import salome</p>
150 <p class="whs1">import geompy</p>
152 <p class="whs1">import smesh</p>
154 <p class="whs1"> </p>
156 <p class="whs2"># create a box</p>
158 <p class="whs1">box = geompy.MakeBox(0.,
159 0., 0., 100., 100., 100.)</p>
161 <p class="whs1">geompy.addToStudy(box,
164 <p class="whs1"> </p>
166 <p class="whs2"># add the first face
167 of the box to the study</p>
169 <p class="whs1"><span style="font-family: 'Lucida Console', monospace;">subShapeList
170 = geompy.SubShapeAll(box, geompy.ShapeType["FACE"])</span></p>
172 <p class="whs1">face = subShapeList[0]</p>
174 <p class="whs1">geompy.addToStudyInFather(box,
175 face, "face 1") </p>
177 <p class="whs1"> </p>
179 <p class="whs2"># create group of edges
182 <p class="whs1"><span style="font-family: 'Lucida Console', monospace;">aGeomGroupE
183 = geompy.CreateGroup(face, geompy.ShapeType["EDGE"])</span></p>
185 <p class="whs1">geompy.AddObject(aGeomGroupE,
188 <p class="whs1">geompy.AddObject(aGeomGroupE,
191 <p class="whs1">geompy.AddObject(aGeomGroupE,
194 <p class="whs1">geompy.AddObject(aGeomGroupE,
197 <p class="whs1">geompy.addToStudyInFather(face,
198 aGeomGroupE, "Group of Edges")</p>
200 <p class="whs1"> </p>
202 <p class="whs2"># create quadrangle
203 2D mesh on the box</p>
205 <p class="whs1"><span style="font-family: 'Lucida Console', monospace;">quadra
206 = smesh.Mesh(box, "Box : quadrangle 2D mesh")</span></p>
208 <p class="whs1">algo1D = quadra.Segment()</p>
210 <p class="whs1">quadra.Quadrangle()</p>
212 <p class="whs1">algo1D.NumberOfSegments(7)
215 <p class="whs1"> </p>
217 <p class="whs2"># compute the mesh</p>
219 <p class="whs1">quadra.Compute()</p>
221 <p class="whs1"> </p>
223 <p class="whs2"># create SMESH group
224 on the face with name "SMESHGroup1"</p>
226 <p class="whs1"><span style="font-family: 'Lucida Console', monospace;">aSmeshGroup1
227 = quadra.GroupOnGeom(face, "SMESHGroup1")</span></p>
229 <p class="whs1"> </p>
231 <p class="whs2"># create SMESH group
232 on <aGeomGroupE> with default name</p>
234 <p class="whs1">aSmeshGroup2 = quadra.GroupOnGeom(aGeomGroupE)
237 <p class="whs3"> </p>
239 <p class="whs3"><span style="font-family: 'Lucida Console', monospace;">salome.sg.updateObjBrowser(1)</span>
242 <h3><a name=bookmark1>Edit a Group</a></h3>
244 <p class="whs1">import SMESH_mechanic</p>
246 <p class="whs1"> </p>
248 <p class="whs1">smesh =
249 SMESH_mechanic.smesh</p>
251 <p class="whs1">mesh =
252 SMESH_mechanic.mesh</p>
254 <p class="whs1">salome = SMESH_mechanic.salome</p>
256 <p class="whs1"> </p>
258 <p class="whs2"># Get ids of all faces
259 with area > 35</p>
261 <p class="whs1">aFilter = smesh.GetFilter(smesh.FACE,
262 smesh.FT_Area, smesh.FT_MoreThan, 35.)</p>
264 <p class="whs1"> </p>
266 <p class="whs1">anIds = mesh.GetIdsFromFilter(aFilter)
269 <p class="whs1"> </p>
271 <p class="whs1">print "Criterion:
272 Area > 35, Nb = ", len(anIds)</p>
274 <p class="whs1"> </p>
276 <p class="whs2"># create a group by
277 adding elements with area > 35</p>
279 <p class="whs1"><span style="font-family: 'Lucida Console', monospace;">aGroup
280 = mesh.CreateEmptyGroup(smesh.FACE, "Area > 35")</span></p>
282 <p class="whs1">aGroup.Add(anIds)
285 <p class="whs1"> </p>
287 <p class="whs2"># Get ids of all faces
288 with area > 40</p>
290 <p class="whs1">aFilter = smesh.GetFilter(smesh.FACE,
291 smesh.FT_Area, smesh.FT_MoreThan, 40.)</p>
293 <p class="whs1"> </p>
295 <p class="whs1">anIds = mesh.GetIdsFromFilter(aFilter)</p>
297 <p class="whs1"> </p>
299 <p class="whs1">print "Criterion:
300 Area > 40, Nb = ", len(anIds) </p>
302 <p class="whs1"> </p>
304 <p class="whs2"># create a group of
305 elements with area [35; 40] by removing elements with area > 40 from
308 <p class="whs1">aGroup.Remove(anIds)
311 <p class="whs1"> </p>
313 <p class="whs2"># print the result</p>
315 <p class="whs1">aGroupElemIDs =
316 aGroup.GetListOfID()</p>
318 <p class="whs1"> </p>
320 <p class="whs1">print "Criterion:
321 35 < Area < 40, Nb = ", len(aGroupElemIDs)</p>
323 <p class="whs1">j = 1</p>
325 <p class="whs1">for i in range(len(aGroupElemIDs)):</p>
327 <p class="whs1"> if
328 j > 20: j = 1; print ""</p>
330 <p class="whs1"> print
331 aGroupElemIDs[i],</p>
333 <p class="whs1"> j
336 <p class="whs1"> pass</p>
338 <p class="whs1">print ""</p>
340 <p class="whs1"> </p>
342 <p class="whs1">salome.sg.updateObjBrowser(1)
345 <p class="whs3"> </p>
347 <p class="whs3"><img src="pics/editing_groups1.png" x-maintain-ratio="TRUE" width="463px" height="417px" border="0" class="img_whs5"> <img src="pics/editing_groups2.png" x-maintain-ratio="TRUE" width="541px" height="417px" border="0" class="img_whs6"></p>
349 <h3><a name=bookmark2>Union of two groups</a></h3>
351 <p class="whs1">import SMESH_mechanic</p>
353 <p class="whs1"> </p>
355 <p class="whs1">smesh =
356 SMESH_mechanic.smesh</p>
358 <p class="whs1">mesh =
359 SMESH_mechanic.mesh</p>
361 <p class="whs1">salome = SMESH_mechanic.salome</p>
363 <p class="whs1"> </p>
365 <p class="whs2"># Criterion : AREA
368 <p class="whs1">aFilter = smesh.GetFilter(smesh.FACE,
369 smesh.FT_Area, smesh.FT_MoreThan, 20.)</p>
371 <p class="whs1"> </p>
373 <p class="whs1">anIds = mesh.GetIdsFromFilter(aFilter)</p>
375 <p class="whs1"> </p>
377 <p class="whs1">print "Criterion:
378 Area > 20, Nb = ", len( anIds ) </p>
380 <p class="whs1"> </p>
382 <p class="whs2"># create a group by
383 adding elements with area > 20</p>
385 <p class="whs1">aGroup1 = mesh.CreateEmptyGroup(SMESH.FACE,
386 "Area > 20")</p>
388 <p class="whs1">aGroup1.Add(anIds)</p>
390 <p class="whs1"> </p>
392 <p class="whs2"># Criterion : AREA
395 <p class="whs1"><span style="font-family: 'Lucida Console', monospace;">aFilter
396 = smesh.GetFilter(smesh.FACE, smesh.FT_Area, smesh.FT_EqualTo, 20.)</span></p>
398 <p class="whs1"> </p>
400 <p class="whs1">anIds = mesh.GetIdsFromFilter(aFilter)</p>
402 <p class="whs1"> </p>
404 <p class="whs1">print "Criterion:
405 Area = 20, Nb = ", len( anIds ) </p>
407 <p class="whs1"> </p>
409 <p class="whs2"># create a group by
410 adding elements with area = 20</p>
412 <p class="whs1">aGroup2 = mesh.CreateEmptyGroup(
413 smesh.FACE, "Area = 20" )</p>
415 <p class="whs1"> </p>
417 <p class="whs1">aGroup2.Add(anIds)</p>
419 <p class="whs1"> </p>
421 <p class="whs2"># create union group
424 <p class="whs1"><span style="font-family: 'Lucida Console', monospace;">aGroup3
425 = mesh.UnionGroups(aGroup1, aGroup2, "Area >= 20")</span></p>
427 <p class="whs1">print "Criterion:
428 Area >= 20, Nb = ", len(aGroup3.GetListOfID())</p>
430 <p class="whs1"> </p>
432 <p class="whs2"># Criterion : AREA
435 <p class="whs1"><span style="font-family: 'Lucida Console', monospace;">aFilter
436 = smesh.GetFilter(smesh.FACE, smesh.FT_Area, smesh.FT_LessThan, 20.)</span></p>
438 <p class="whs1"> </p>
440 <p class="whs1">anIds = mesh.GetIdsFromFilter(aFilter)</p>
442 <p class="whs1"> </p>
444 <p class="whs1">print "Criterion:
445 Area < 20, Nb = ", len(anIds)</p>
447 <p class="whs1"> </p>
449 <p class="whs2"># create a group by
450 adding elements with area < 20</p>
452 <p class="whs1"><span style="font-family: 'Lucida Console', monospace;">aGroup4
453 = mesh.CreateEmptyGroup(smesh.FACE, "Area < 20")</span></p>
455 <p class="whs1">aGroup4.Add(anIds)</p>
457 <p class="whs1"> </p>
459 <p class="whs2"># create union group
460 : area >= 20 and area < 20</p>
462 <p class="whs1"><span style="font-family: 'Lucida Console', monospace;">aGroup5
463 = mesh.UnionGroups(aGroup3, aGroup4, "Any Area")</span></p>
465 <p class="whs1">print "Criterion:
466 Any Area, Nb = ", len(aGroup5.GetListOfID())</p>
468 <p class="whs1"> </p>
470 <p class="whs1">salome.sg.updateObjBrowser(1)
473 <p class="whs1"> </p>
475 <p class="whs1"><img src="pics/union_groups1.png" x-maintain-ratio="TRUE" width="394px" height="425px" border="0" class="img_whs7"></p>
477 <p class="whs1"> </p>
479 <p class="whs1"><img src="pics/union_groups2.png" x-maintain-ratio="TRUE" width="368px" height="379px" border="0" class="img_whs8"> <img src="pics/union_groups3.png" x-maintain-ratio="TRUE" width="344px" height="381px" border="0" class="img_whs9"></p>
481 <p class="whs1"> </p>
483 <h3><a name=bookmark3>Intersection of two groups</a></h3>
485 <p class="whs1">import SMESH_mechanic</p>
487 <p class="whs1"> </p>
489 <p class="whs1">smesh =
490 SMESH_mechanic.smesh</p>
492 <p class="whs1">mesh =
493 SMESH_mechanic.mesh</p>
495 <p class="whs1">salome = SMESH_mechanic.salome</p>
497 <p class="whs1"> </p>
499 <p class="whs2"># Criterion : AREA
502 <p class="whs1">aFilter = smesh.GetFilter(smesh.FACE,
503 smesh.FT_Area, smesh.FT_MoreThan, 20.)</p>
505 <p class="whs1"> </p>
507 <p class="whs1">anIds = mesh.GetIdsFromFilter(aFilter)</p>
509 <p class="whs1"> </p>
511 <p class="whs1">print "Criterion:
512 Area > 20, Nb = ", len(anIds) </p>
514 <p class="whs1"> </p>
516 <p class="whs2"># create a group by
517 adding elements with area > 20</p>
519 <p class="whs1">aGroup1 = mesh.CreateEmptyGroup(SMESH.FACE,
520 "Area > 20")</p>
522 <p class="whs1">aGroup1.Add(anIds)</p>
524 <p class="whs1"> </p>
526 <p class="whs2"># Criterion : AREA
529 <p class="whs1">aFilter = smesh.GetFilter(smesh.FACE,
530 smesh.FT_Area, smesh.FT_LessThan, 60.)</p>
532 <p class="whs1"> </p>
534 <p class="whs1">anIds = mesh.GetIdsFromFilter(aFilter)</p>
536 <p class="whs1"> </p>
538 <p class="whs1">print "Criterion:
539 Area < 60, Nb = ", len(anIds) </p>
541 <p class="whs1"> </p>
543 <p class="whs2"># create a group by
544 adding elements with area < 60</p>
546 <p class="whs1">aGroup2 = mesh.CreateEmptyGroup(SMESH.FACE,
547 "Area < 60")</p>
549 <p class="whs1">aGroup2.Add(anIds)</p>
551 <p class="whs1"> </p>
553 <p class="whs2"># create an intersection
554 of groups : 20 < area < 60</p>
556 <p class="whs1"><span style="font-family: 'Lucida Console', monospace;">aGroup3
557 = mesh.IntersectGroups(aGroup1, aGroup2, "20 < Area < 60")</span></p>
559 <p class="whs1">print "Criterion:
560 20 < Area < 60, Nb = ", len(aGroup3.GetListOfID())</p>
562 <p class="whs1"> </p>
564 <p class="whs1">salome.sg.updateObjBrowser(1)
567 <p class="whs3"> </p>
569 <p class="whs3"><img src="pics/intersect_groups1.png" x-maintain-ratio="TRUE" width="314px" height="351px" border="0" class="img_whs10"> <img src="pics/intersect_groups2.png" x-maintain-ratio="TRUE" width="319px" height="351px" border="0" class="img_whs11"> <img src="pics/intersect_groups3.png" x-maintain-ratio="TRUE" width="304px" height="352px" border="0" class="img_whs12"></p>
571 <h3><a name=bookmark4>Cut of two groups</a></h3>
573 <p class="whs1">import SMESH_mechanic</p>
575 <p class="whs1"> </p>
577 <p class="whs1">smesh =
578 SMESH_mechanic.smesh</p>
580 <p class="whs1">mesh =
581 SMESH_mechanic.mesh</p>
583 <p class="whs1">salome = SMESH_mechanic.salome</p>
585 <p class="whs1"> </p>
587 <p class="whs2"># Criterion : AREA
590 <p class="whs1">aFilter = smesh.GetFilter(smesh.FACE,
591 smesh.FT_Area, smesh.FT_MoreThan, 20.)</p>
593 <p class="whs1"> </p>
595 <p class="whs1">anIds = mesh.GetIdsFromFilter(aFilter)</p>
597 <p class="whs1"> </p>
599 <p class="whs1">print "Criterion:
600 Area > 20, Nb = ", len(anIds) </p>
602 <p class="whs1"> </p>
604 <p class="whs2"># create a group by
605 adding elements with area > 20</p>
607 <p class="whs1"><span style="font-family: 'Lucida Console', monospace;">aGroupMain
608 = mesh.MakeGroupByIds("Area > 20", smesh.FACE, anIds)</span></p>
610 <p class="whs1"> </p>
612 <p class="whs2"># Criterion : AREA
615 <p class="whs1">aFilter = smesh.GetFilter(smesh.FACE,
616 smesh.FT_Area, smesh.FT_LessThan, 60.)</p>
618 <p class="whs1"> </p>
620 <p class="whs1">anIds = mesh.GetIdsFromFilter(aFilter)</p>
622 <p class="whs1"> </p>
624 <p class="whs1">print "Criterion:
625 Area < 60, Nb = ", len(anIds) </p>
627 <p class="whs1"> </p>
629 <p class="whs2"># create a group by
630 adding elements with area < 60</p>
632 <p class="whs1"><span style="font-family: 'Lucida Console', monospace;">aGroupTool
633 = mesh.MakeGroupByIds("Area < 60", smesh.FACE, anIds)</span></p>
635 <p class="whs1"> </p>
637 <p class="whs2"># create a cut of groups
640 <p class="whs1"><span style="font-family: 'Lucida Console', monospace;">aGroupRes
641 = mesh.CutGroups(aGroupMain, aGroupTool, "Area >= 60")</span></p>
643 <p class="whs1">print "Criterion:
644 Area >= 60, Nb = ", len(aGroupRes.GetListOfID())</p>
646 <p class="whs1"> </p>
648 <p class="whs1">salome.sg.updateObjBrowser(1)
651 <p class="whs1"> </p>
653 <p class="whs3"><img src="pics/cut_groups1.png" x-maintain-ratio="TRUE" width="318px" height="355px" border="0" class="img_whs13"> <img src="pics/cut_groups2.png" x-maintain-ratio="TRUE" width="318px" height="355px" border="0" class="img_whs14"> <img src="pics/cut_groups3.png" x-maintain-ratio="TRUE" width="320px" height="354px" border="0" class="img_whs15"></p>
655 <script type="text/javascript" language="javascript1.2">
657 if (window.writeIntopicBar)