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<div class="moz-cite-prefix">Dear Rajat,<br>
<br>
if you want to use another meshing tool than VGRID, the
element-node-ordering of SimBio-NeuroFEM<br>
can be downloaded here:<br>
<a class="moz-txt-link-freetext" href="http://www.sci.utah.edu/~wolters/SimBio/SimBioNeuroFEMElementNodeOrdering0001.pdf">http://www.sci.utah.edu/~wolters/SimBio/SimBioNeuroFEMElementNodeOrdering0001.pdf</a><br>
<br>
For regular cubic elements and geometry-adapted cubic elements,
please see the ordering<br>
of x23.<br>
<br>
I hope this will finally fully answer your question.<br>
<br>
Best regards<br>
Carsten<br>
<br>
Am 06.04.2016 um 16:03 schrieb Carsten Wolters:<br>
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<div class="moz-cite-prefix">Dear Rajat,<br>
<br>
the element-node cards of SimBio-NeuroFEM need to follow certain
orientations (see <a moz-do-not-send="true"
class="moz-txt-link-abbreviated" href="http://www.simbio.de">www.simbio.de</a>).<br>
<br>
If you do not want to struggle with meshing/ordering, use the
SimBio-VGRID mesher <br>
<a moz-do-not-send="true" class="moz-txt-link-freetext"
href="http://vgrid.simbio.de/">http://vgrid.simbio.de/</a><br>
that follows the required ordering of nodes. You might use this
mesher to produce 1mm geometry-adapted FEM meshes<br>
that show good overall performance, see <br>
<a moz-do-not-send="true" class="moz-txt-link-freetext"
href="http://www.sci.utah.edu/%7Ewolters/PaperWolters/2007/WoltersEtAl_IEEE_TBME_2007.pdf">http://www.sci.utah.edu/~wolters/PaperWolters/2007/WoltersEtAl_IEEE_TBME_2007.pdf</a><br>
and<br>
<a moz-do-not-send="true" class="moz-txt-link-freetext"
href="http://www.sci.utah.edu/%7Ewolters/PaperWolters/2016/WagnerLuckaVorwerkHerrmannNolteBurgerWolters_NeuroImage_2016.pdf">http://www.sci.utah.edu/~wolters/PaperWolters/2016/WagnerLuckaVorwerkHerrmannNolteBurgerWolters_NeuroImage_2016.pdf</a><br>
(latter was just accepted by NeuroImage). <br>
<br>
Best regards<br>
Carsten<br>
<br>
Am 06.04.2016 um 15:10 schrieb Rajat Thomas:<br>
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<p>Dear all,<br>
</p>
<p><br>
</p>
<p>Has anyone used the FEM approach to Headmodels using Simbio
recently?<br>
</p>
<p><br>
</p>
<p>If so, I get this error:<br>
</p>
<div>"Elements have wrong orientation or are degenerated"<br>
</div>
<div><br>
</div>
<div>Any ideas?<br>
</div>
<div><br>
</div>
<div>
<p class="p1">cfg = [];</p>
<p class="p1">cfg.method =<span class="s1">'simbio'</span>;</p>
<p class="p1">cfg.conductivity = [0.33 0.14 1.79 0.01 0.43];
<span class="s2">% order follows mesh.tissyelabel</span></p>
<p class="p1">vol = ft_prepare_headmodel(cfg, mesh);
<br>
</p>
<p class="p1"><br>
</p>
<p class="p1">And;<br>
</p>
<p class="p1"><br>
</p>
<div>disp(mesh)</div>
<div> hex: [545883x8 double]</div>
<div> pnt: [569722x3 double]</div>
<div> labels: [545883x1 double]</div>
<div> tissue: [545883x1 double]</div>
<div> tissuelabel: {'csf' 'gray' 'scalp' 'skull'
'white'}</div>
<div> unit: 'mm'</div>
<div> cfg: [1x1 struct]<br>
</div>
<p class="p1"><br>
</p>
Any help would be highly appreciated.<br>
</div>
<div><br>
</div>
<div>Rajat<br>
</div>
<div><br>
<br>
</div>
<p><br>
</p>
<p><br>
</p>
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<div name="divtagdefaultwrapper" style="font-family:Calibri"><font
size="2">Rajat Mani Thomas</font></div>
<div name="divtagdefaultwrapper" style="font-family:Calibri"><font
size="2">Social Brain Lab<br>
</font>
<div><font size="2">Netherlands Institute for Neuroscience</font></div>
<div><font size="2">Amsterdam</font></div>
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