<div dir="ltr">Hi,<br><br><br>If you have a polyData:<br>I'd suggest to use with Paraview->Delaunay 2D<br>and change the tolerance.<br><br>please update if it works.<br><br>Hila<br><br><div class="gmail_quote">On Wed, May 16, 2012 at 11:38 AM, Jothybasu Selvaraj <span dir="ltr"><<a href="mailto:jothybasu@gmail.com" target="_blank">jothybasu@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Have you generated vtkPolyData properly. Unless you post your code we couldn't do much on this.<br><br>
<br>Jothy<div><div class="h5"><br><br><div class="gmail_quote">On Wed, May 16, 2012 at 4:00 AM, Rong Xu <span dir="ltr"><<a href="mailto:xurong1981@gmail.com" target="_blank">xurong1981@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Thank you for your suggestion!<br><br><div class="gmail_quote"><div>2012/5/15 Jothybasu Selvaraj <span dir="ltr"><<a href="mailto:jothybasu@gmail.com" target="_blank">jothybasu@gmail.com</a>></span><br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr">I think you should use vtkDecimatePro (there are many others in vtk) to reduce the number of points.<br></div></blockquote></div><div><br>I used vtkDecimatePro to reduce the number of points, but there is a problem when running ("vtkDecimatePro (047640E8): No data to decimate!"). Then I used vtkTriangleFilter before vtkDecimatePro, but there still is the same problem. Do you have any ideas ?<br>
</div><div><div><blockquote class="gmail_quote" style="margin:0pt 0pt 0pt 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><br>Jothy<br><br><div class="gmail_quote"><div><div>On Tue, May 15, 2012 at 3:46 PM, Rong Xu <span dir="ltr"><<a href="mailto:xurong1981@gmail.com" target="_blank">xurong1981@gmail.com</a>></span> wrote:<br>
</div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div>Dear, all:<br><br>I extract a surface of one object from 3D ultrasound image, but there are many points on extracted surface (more than 300,000). So I want to sampling half or 25% representative points from the whole point set. Then I tried vtkShrinkPolyData method and set shrink factor as 0.25, but the number of points from shrinked result is not changed compared with the whole point set. Does anyone have any ideas about my purpose ?<br>
<br>Thank you for your help!<br clear="all"><br>-- <br><br> ---------------------<br>Best Regards!<br><br>===============================================<br>Rong Xu, Ph.D Student<br>Ohya Lab<br>Graduate School of Global Information
and Telecommunication<br>Studies (GITS), Waseda University<br>1-6-1 Nishi Waseda, Shinjuku-ku,
Tokyo, Japan (〒169-8050)<br><br>Tel: <a href="tel:%2B81-80-4208-1207" value="+818042081207" target="_blank">+81-80-4208-1207</a><br>E-mail: <a href="mailto:xurong1981@gmail.com" target="_blank">xurong1981@gmail.com</a><br>
<a href="mailto:xurong@fuji.waseda.jp" target="_blank">xurong@fuji.waseda.jp</a><br>
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<br></blockquote></div><span><font color="#888888"><br><br clear="all"><br>-- <br><div dir="ltr">Jothy<br></div><br>
</font></span></div>
</blockquote></div></div></div><div><div><br><br clear="all"><br>-- <br><br> ---------------------<br>Best Regards!<br><br>===============================================<br>Rong Xu, Ph.D Student<br>
Ohya Lab<br>Graduate School of Global Information
and Telecommunication<br>Studies (GITS), Waseda University<br>1-6-1 Nishi Waseda, Shinjuku-ku,
Tokyo, Japan (〒169-8050)<br><br>Tel: <a href="tel:%2B81-80-4208-1207" value="+818042081207" target="_blank">+81-80-4208-1207</a><br>E-mail: <a href="mailto:xurong1981@gmail.com" target="_blank">xurong1981@gmail.com</a><br>
<a href="mailto:xurong@fuji.waseda.jp" target="_blank">xurong@fuji.waseda.jp</a><br>
===============================================<br><br>
</div></div></blockquote></div><br><br clear="all"><br></div></div><span class="HOEnZb"><font color="#888888">-- <br><div dir="ltr">Jothy<br></div><br>
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