Hi,<br>the same happens if you want to visualize an vtkImageData as "points" or "surface". Only the outer topological entities are displayed, because of the mapper internal functionning. See thread "<span id=":1hi" class="hP">unstructured grid + tetrahedrons</span>" in the vtk-users mailing list.<br>
<br>In a nutshell, the outer geometrical entities are considered as vertices by the mapper. Using a glyph filter before visualization with a 2D glyph (Vertex type) will attached a topological 0D entity (vertex) to all the geometrical entities (points). Attached is an example of 12^3 volume with 2 different visualizations: left is the volume fitlered through a glyph filter with vertex type, right is "Style->Representation->Points".<br>
<br>HTH<br>Jerome<br><br><div class="gmail_quote">2010/1/15 Hom Nath Gharti <span dir="ltr"><<a href="mailto:hng.email@gmail.com">hng.email@gmail.com</a>></span><br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
One possible idea would be:<br>
<br>
Filters -> Alphabetical -> Glyphs<br>
<div><div></div><div class="h5"><br>
On Fri, Jan 15, 2010 at 9:39 AM, <<a href="mailto:nagi@toothycat.net">nagi@toothycat.net</a>> wrote:<br>
> Hi,<br>
><br>
> I've got a 3x3x3 set of points, and am trying to show all of the points<br>
> individually. My VTK file looks like<br>
><br>
> # vtk DataFile Version 2.0<br>
> Volume example<br>
> ASCII<br>
> DATASET STRUCTURED_POINTS<br>
> DIMENSIONS 3 3 3<br>
> ASPECT_RATIO 1 1 1<br>
> ORIGIN 0 0 0<br>
> POINT_DATA 27<br>
> SCALARS volume_scalars char 1<br>
> LOOKUP_TABLE default<br>
> 0 0 0 0 0 0 0 0 0<br>
> 0 0 0 0 0 0 0 0 0<br>
> 0 0 0 0 0 0 0 0 0<br>
><br>
><br>
> When I set 'Representation' under 'Display' to points, the point at the<br>
> centre is missed out. In fact, for any 3d dataset of structured points I<br>
> have tried, the interior points are missed out.<br>
><br>
> The points look like they are there, since 'Information' tells me there are<br>
> 27 points.<br>
><br>
> Any ideas how I can see all the points?<br>
><br>
> Thanks,<br>
><br>
> Nagi<br>
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</div></div></blockquote></div><br>