<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On 7 Mar 2018, at 16:48, Bertrand Thierry <<a href="mailto:thierry@ljll.math.upmc.fr" class="">thierry@ljll.math.upmc.fr</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="">Hello,<br class=""><br class="">Apart from using a BoundingBox, is there a way to retrieve the indices of the elementary entities created by OCC?<br class="">For example:<br class=""> Box(1) = {0,0,0, 1, 1};<br class="">will create 4 Lines. Is it possible to access these 4 indices (as it can be done with the GUI) ?<br class=""><br class="">More generally, is it possible to do it for any Line/Surface from any Surface/Volume?<br class=""><br class=""></div></div></blockquote><div><br class=""></div>You could do:<br class=""><div><br class=""></div><div>SetFactory("OpenCASCADE");</div><div>Box(1) = {0,0,0, 1,1,1};</div><div>surfaces() = Boundary{ Volume{1}; };</div><div>lines() = Unique( Abs(Boundary{ Surface{surfaces()}; }) );</div><div class=""><br class=""></div><div class=""><br class=""></div><blockquote type="cite" class=""><div class=""><div class="">Thanks,<br class=""><br class="">-- <br class="">Bertrand THIERRY<br class="">CNRS researcher (Chargé de Recherche)<br class="">Laboratoire Jacques-Louis Lions<br class="">Sorbonne Université<br class="">Office 310, Corridor 15/25<br class="">Tel: +33 (0)1 44 27 72 01<br class=""><a href="https://www.ljll.math.upmc.fr/bthierry" class="">https://www.ljll.math.upmc.fr/bthierry</a><br class=""><br class=""><br class="">_______________________________________________<br class="">gmsh mailing list<br class="">gmsh@onelab.info<br class="">http://onelab.info/mailman/listinfo/gmsh<br class=""></div></div></blockquote></div><br class=""><div class="">
<div dir="auto" style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;">— </div><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;">Prof. Christophe Geuzaine<br class="">University of Liege, Electrical Engineering and Computer Science <br class=""><a href="http://www.montefiore.ulg.ac.be/~geuzaine" class="">http://www.montefiore.ulg.ac.be/~geuzaine</a><br class=""><br class="">Free software: http://gmsh.info | http://getdp.info | http://onelab.info</div></div>
</div>
<br class=""></body></html>