<div dir="ltr"><div><div>Hi David, <br><br></div>Ok, Thank you ! So in my case, I need a vtkUnstructuredGrid. <br>Sorry for the lists. <br><br></div><div>Regards, <br></div><div><br></div><div>Aurélien<br></div></div><div class="gmail_extra">
<br><br><div class="gmail_quote">2014-07-30 16:06 GMT-04:00 David Thompson <span dir="ltr"><<a href="mailto:david.thompson@kitware.com" target="_blank">david.thompson@kitware.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Hi Aurélien,<br>
<br>
The conceptual difference between the two is that unstructured grids can have volumetric cells while polydata cannot.<br>
<br>
David<br>
<br>
PS. Eliminating paraview list from reply... please don't mail both lists.<br>
<div><div class="h5"><br>
On Jul 30, 2014, at 3:45 PM, Aurélien Marsan <<a href="mailto:aur.marsan@gmail.com">aur.marsan@gmail.com</a>> wrote:<br>
<br>
> Dear Paraview users, and VTK users<br>
><br>
> I want to build a vtkUnstructuredGrid from several numpy arrays, which contains the points coordinates, the cells, cells locations, cells types etc...<br>
> So : I have all informations that are needed.<br>
><br>
> vtkPolyData seems a lot easier to define through a python script.<br>
><br>
> But : what is the fundamental difference between vtkPolyData and vtkUnstructuredGrid ?<br>
> What should be the criterion in order to choose on of these two types ?<br>
><br>
> Many thanks in advance,<br>
> Regards,<br>
><br>
> Aurélien<br>
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