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<p class="MsoNormal"><span lang="EN-GB">Dear all,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">I have included Gmsh as library in my c++ program and I need to use it to mesh a volume region bounded by a surface mesh: in my program I have defined a surface mesh and I need to import its vertices and elements into
 a gmsh structure to be able to create a volume mesh starting from this surface.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Steps to do so, as far as I can understand, are:<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo1"><![if !supportLists]><span lang="EN-GB"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">         
</span></span></span><![endif]><span lang="EN-GB">Declare a GModel* that will contain the surface<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo1"><![if !supportLists]><span lang="EN-GB"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">         
</span></span></span><![endif]><span lang="EN-GB">Add a GFace* into the GModel<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo1"><![if !supportLists]><span lang="EN-GB"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">         
</span></span></span><![endif]><span lang="EN-GB">Add vertices and cells to the GFace* (get them from the mesh created in my program). Actually define a mesh for this GFace object<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo1"><![if !supportLists]><span lang="EN-GB"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">         
</span></span></span><![endif]><span lang="EN-GB">Create the volume mesh<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Is this correct? Does anyone have any suggestion on how to write this portion of code?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">PS I have already looked at the example in utils/api_demos/mainSimple.cpp and have adapted it to my case, but I would rather avoid reading/writing files to transfer meshes between the my program and gmsh to avoid performance
 issues.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Simone</span><o:p></o:p></p>
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