<div dir="ltr"><font color="#000000" face="Helvetica, Arial, Droid Sans, sans-serif"><span style="font-size:14px;line-height:19.9999942779541px">Hi David,</span></font><div><font color="#000000" face="Helvetica, Arial, Droid Sans, sans-serif"><span style="font-size:14px;line-height:19.9999942779541px"><br>
</span></font></div><div><font color="#000000" face="Helvetica, Arial, Droid Sans, sans-serif"><span style="font-size:14px;line-height:19.9999942779541px">After trying vtk-6.1. The problem still exists.</span></font></div>
<div><font color="#000000" face="Helvetica, Arial, Droid Sans, sans-serif"><span style="font-size:14px;line-height:19.9999942779541px"><br></span></font></div><div><font color="#000000" face="Helvetica, Arial, Droid Sans, sans-serif"><span style="font-size:14px;line-height:19.9999942779541px">My filter inherits from vtkRectilinearGridAlgorithm since its output is vtkRectilinearGridAlgorithm. And I only override the following two methods.</span></font></div>
<div><font color="#000000" face="Helvetica, Arial, Droid Sans, sans-serif"><span style="font-size:14px;line-height:19.9999942779541px"><br></span></font></div><div><font color="#000000" face="Helvetica, Arial, Droid Sans, sans-serif"><span style="font-size:14px;line-height:19.9999942779541px"><div>
<span class="" style="white-space:pre"> </span>virtual int FillInputPortInformation(int, vtkInformation *);</div><div><span class="" style="white-space:pre"> </span>virtual int RequestData(vtkInformation *request, vtkInformationVector **inputVector, vtkInformationVector *outputVector);</div>
<div><br></div><div>And I am sure that RequestData is called, and the GetOutput() of my filter object is not empty (at least should have 8000000 cells as my code outputs).</div><div><br></div><div>Is there any method I should override?</div>
<div><br></div><div>Thanks!</div><div><br></div><div>Best regards,</div><div>Mingcheng Chen</div><div>March 12th, 2014</div></span></font></div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Wed, Mar 12, 2014 at 8:26 AM, David E DeMarle <span dir="ltr"><<a href="mailto:dave.demarle@kitware.com" target="_blank">dave.demarle@kitware.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">Can you try 5.10 or 6.1? 5.0 is quite old and it was just after some major pipeline work which _potentially_ could have caused things like this tp happen.</div>
<div class="gmail_extra"><br clear="all"><div>David E DeMarle<br>
Kitware, Inc.<br>R&D Engineer<br>21 Corporate Drive<br>Clifton Park, NY 12065-8662<br>Phone: <a href="tel:518-881-4909" value="+15188814909" target="_blank">518-881-4909</a></div>
<br><br><div class="gmail_quote"><div><div class="h5">On Tue, Mar 11, 2014 at 10:37 PM, Mingcheng Chen <span dir="ltr"><<a href="mailto:linyufly@gmail.com" target="_blank">linyufly@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 class="h5">
<div dir="ltr">Hi everyone,<div><br></div><div>I wrote a filter lcsFlowMap, whose output is a vtkRectilinearGrid object. I use VTK-5.0.</div><div><br></div><div>When I connect the filter object's output to a vtkRectilinearGridWriter object, it works, producing expected output. However, when I connect my filter to a vtkXMLRectilinearGridWriter object, the output seems an empty grid.</div>
<div><br></div><div>I am sure that my RequestData() is called and I produced a non-empty grid, and when I use CopyStructure and CopyAttribute to get a copy of my filter's GetOutput() and use vtkXMLRectilinearGridWriter to write it to a file. It can produce correct result.</div>
<div><br></div><div>Could anybody please shed some light on that?</div><div><br></div><div>Thanks!</div><div><br></div><div>Best regards,</div><div>Mingcheng Chen</div><div>March 11th, 2014 <span><font color="#888888"><br clear="all">
<div><br></div>
-- <br><div dir="ltr"><div>Research Assistant in Graphics Group<br></div>
<div>University of Illinois at Urbana-Champaign</div><div><a href="http://mingchengchen.org" target="_blank">http://mingchengchen.org</a></div></div>
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</blockquote></div><br><br clear="all"><div><br></div>-- <br><div dir="ltr"><div>Research Assistant in Graphics Group<br></div>
<div>University of Illinois at Urbana-Champaign</div><div><a href="http://mingchengchen.org" target="_blank">http://mingchengchen.org</a></div></div>
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