<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 19 Feb 2018, at 08:38, Johannes Töger <<a href="mailto:johannes.toger@med.lu.se" class="">johannes.toger@med.lu.se</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class="">Dear Christophe,<div class=""><br class=""></div><div class="">The new version of your reparametrization algorithm sounds very interesting for our application. Is it possible for you to tell us a bit more about it? </div></div></div></blockquote><div><br class=""></div><div>It's a new implementation of the kinds of methods described in the "<span style="color: rgb(37, 37, 37); font-family: helvetica, sans-serif; font-size: 12.15999984741211px; background-color: rgb(255, 255, 255);" class="">Cross-patch and STL meshing (Compounds)" reference section on gmsh website (see the bottom of the page).</span></div><br class=""><blockquote type="cite" class=""><div class=""><div dir="ltr" class=""><div class="">What will it be capable of, and what is the approximate timeline for it?</div></div><div class="gmail_extra"><br clear="all" class=""></div></div></blockquote><div><br class=""></div><div>It will be in Gmsh 4.0 - hopefully within the next couple of months. Gmsh 4.0 will bring many new features : a stable C++/C/Python API, a new efficient mesh file format (MSH4), a much faster mesh partitioning interface, improved OpenCASCADE integration, ...</div><div><br class=""></div><div>Christophe</div><br class=""><blockquote type="cite" class=""><div class=""><div class="gmail_extra"><div class=""><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr" class=""><div class=""><div dir="ltr" class=""><div class=""><div dir="ltr" class=""><div dir="ltr" class=""><div dir="ltr" class=""><div style="font-size:small" class=""><div class=""><br class=""></div><div class="">— </div><div class="">Johannes Töger</div><div class=""><br class=""></div></div><div style="font-size:small" class="">Postdoctoral Research Scholar</div><div style="font-size:small" class=""><div class="">National 7T Facility, Lund Biomedical Imaging Center</div></div><div style="font-size:small" class="">Department of Clinical Sciences Lund, Diagnostic Radiology</div><div style="font-size:small" class="">Lund University, Sweden<br class=""></div></div></div></div></div></div></div></div></div></div>
<br class=""><div class="gmail_quote">On Mon, Feb 12, 2018 at 9:41 PM, Christophe Geuzaine <span dir="ltr" class=""><<a href="mailto:cgeuzaine@uliege.be" target="_blank" class="">cgeuzaine@uliege.be</a>></span> wrote:<br class=""><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word;line-break:after-white-space" class=""><br class=""><div class=""><span class=""><br class=""><blockquote type="cite" class=""><div class="">On 12 Feb 2018, at 15:42, Juan E. Sanchez <<a href="mailto:juan.e.sanchez@gmail.com" target="_blank" class="">juan.e.sanchez@gmail.com</a>> wrote:</div><br class="m_507567396041707804Apple-interchange-newline"><div class=""><div class="">Hello,<br class=""><br class="">Unfortunately, I do not have the geometrical description. Is there a way to convert the mesh to a geometrical description?<br class=""><br class=""></div></div></blockquote><div class=""><br class=""></div></span><div class="">No ; we are working on a new implementation of our “reparametrization” algorithm, which will allow you to do some of this, but it’s not ready yet...</div><div class=""><div class="h5"><div class=""><br class=""></div><br class=""><blockquote type="cite" class=""><div class=""><div class="">Regards,<br class=""><br class="">Juan<br class=""><br class="">On 2/12/18 1:21 AM, Christophe Geuzaine wrote:<br class=""><blockquote type="cite" class=""><blockquote type="cite" class="">On 10 Feb 2018, at 22:06, Juan E. Sanchez <<a href="mailto:juan.e.sanchez@gmail.com" target="_blank" class="">juan.e.sanchez@gmail.com</a> <<a href="mailto:juan.e.sanchez@gmail.com" target="_blank" class="">mailto:juan.e.sanchez@gmail.<wbr class="">com</a>>> wrote:<br class=""><br class="">Hello,<br class=""><br class="">I have an existing msh file, and a pos file containing a background mesh. Is there a script example showing how to use these files to create a refined mesh using the background field?<br class=""><br class=""></blockquote>Start from the geometrical description (not the mesh): this way Gmsh will be able to place the new vertices correctly, i.e. on the CAD<br class="">gmsh -3 test.geo -bgm test.pos<br class="">CG<br class=""><blockquote type="cite" class="">Using<br class=""><br class="">gmsh -3 test.msh -bgm test.pos<br class=""><br class="">results in a mesh where there is the same number of nodes and elements, but it appears that the physical entity number is lost:<br class=""><br class="">last element in original file:<br class=""><br class="">36210 4 3 15 15 0 5786 5791 5792 5800<br class=""><br class="">last element in new file:<br class=""><br class="">36210 4 2 0 15 2603 5822 2604 2605<br class=""><br class="">Now all of the mesh elements belong to the same physical entity, 0.<br class=""><br class="">If I perform a "refine by splitting" in the gui, the physical entity information is maintained:<br class=""><br class="">266256 4 2 15 15 42825 10009 41452 9710<br class=""><br class="">The file is a 3d tetrahedral mesh, and it also contains triangular surfaces to impose boundary conditions.<br class=""><br class="">Regards,<br class=""><br class="">Juan<br class=""><br class=""><br class="">______________________________<wbr class="">_________________<br class="">gmsh mailing list<br class=""><a href="mailto:gmsh@onelab.info" target="_blank" class="">gmsh@onelab.info</a> <<a href="mailto:gmsh@onelab.info" target="_blank" class="">mailto:gmsh@onelab.info</a>><br class=""><a href="http://onelab.info/mailman/listinfo/gmsh" target="_blank" class="">http://onelab.info/mailman/<wbr class="">listinfo/gmsh</a><br class=""></blockquote>—<br class="">Prof. Christophe Geuzaine<br class="">University of Liege, Electrical Engineering and Computer Science<br class=""><a href="http://www.montefiore.ulg.ac.be/~geuzaine" target="_blank" class="">http://www.montefiore.ulg.ac.<wbr class="">be/~geuzaine</a><br class="">Free software: <a href="http://gmsh.info/" target="_blank" class="">http://gmsh.info</a> | <a href="http://getdp.info/" target="_blank" class="">h<wbr class="">ttp://getdp.info</a> | <a href="http://onelab.info/" target="_blank" class="">http://<wbr class="">onelab.info</a><br class=""></blockquote><br class=""><br class="">______________________________<wbr class="">_________________<br class="">gmsh mailing list<br class=""><a href="mailto:gmsh@onelab.info" target="_blank" class="">gmsh@onelab.info</a><br class=""><a href="http://onelab.info/mailman/listinfo/gmsh" target="_blank" class="">http://onelab.info/mailman/<wbr class="">listinfo/gmsh</a><br class=""></div></div></blockquote></div></div></div><br class=""><div class="">
<div dir="auto" style="word-wrap:break-word;line-break:after-white-space" class=""><div style="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;" class="">— </div><span class=""><div style="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;" class="">Prof. Christophe Geuzaine<br class="">University of Liege, Electrical Engineering and Computer Science <br class=""><a href="http://www.montefiore.ulg.ac.be/~geuzaine" target="_blank" class="">http://www.montefiore.ulg.ac.<wbr class="">be/~geuzaine</a><br class=""><br class="">Free software: <a href="http://gmsh.info/" target="_blank" class="">http://gmsh.info</a> | <a href="http://getdp.info/" target="_blank" class="">h<wbr class="">ttp://getdp.info</a> | <a href="http://onelab.info/" target="_blank" class="">http://<wbr class="">onelab.info</a></div></span></div>
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<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>
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