<div dir="ltr"><div dir="ltr">Wikipedia is good for this as well.</div><div dir="ltr"><br><a href="https://en.wikipedia.org/wiki/Tetrahedron#Volume">https://en.wikipedia.org/wiki/Tetrahedron#Volume</a><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Apr 23, 2019 at 9:14 AM Jeremy Theler <<a href="mailto:jeremy@seamplex.com">jeremy@seamplex.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div style="text-align:left;direction:ltr"><div>Browse</div><div><br></div><div><a href="https://bitbucket.org/seamplex/wasora/src/9edef2db1f04bdb49e604722dce8df18879709b1/src/mesh/?at=master" target="_blank">https://bitbucket.org/seamplex/wasora/src/9edef2db1f04bdb49e604722dce8df18879709b1/src/mesh/?at=master</a></div><div><br></div><div>and look for the routines that compute the volumes, like line 405 of the following file</div><div><br></div><div><a href="https://bitbucket.org/seamplex/wasora/src/9edef2db1f04bdb49e604722dce8df18879709b1/src/mesh/tet4.c?at=master&fileviewer=file-view-default" target="_blank">https://bitbucket.org/seamplex/wasora/src/9edef2db1f04bdb49e604722dce8df18879709b1/src/mesh/tet4.c?at=master&fileviewer=file-view-default</a></div><div><br></div><div><br></div><div><br></div><div><br></div><div>On Tue, 2019-04-23 at 12:23 +0200, paul francedixhuit wrote:</div><blockquote type="cite" style="margin:0px 0px 0px 0.8ex;border-left:2px solid rgb(114,159,207);padding-left:1ex"><div dir="auto">Dear all<div dir="auto"><br></div><div dir="auto"><div dir="auto">It's not directly related to gmsh (sorry) but I'm trying to find the formulas to calculate the volume or elementary 3d elements from their vertices?</div><div dir="auto"><br></div><div dir="auto">Does somebody have it?</div><div dir="auto"><br></div><div dir="auto">Thanks for the help</div><div dir="auto"><br></div><div dir="auto">Paul</div><div dir="auto"><br></div></div></div>
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