David-<div><br></div><div>I believe the original intention was to remove degenerate cells (i.e., clean them as in vtkCleanPolyData and its subclass), and remove points unused by any cell. Hence you need to mark "used" points by associating them with a vertex (or other cell).</div>
<div><br></div><div>A new class or mode to do what you want could be added pretty quickly I'm sure.</div><div><br></div><div>W</div><div><br><br><div class="gmail_quote">On Mon, Nov 28, 2011 at 11:07 AM, David Doria <span dir="ltr"><<a href="mailto:daviddoria@gmail.com">daviddoria@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">Is there a reason that these filters don't work on data sets which<br>
only contain points? I have to use a vtkVertexGlyphFilter before using<br>
either of those filters or the output of the clean/quantization filter<br>
has 0 points.<br>
<br>
David<br>
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