Dear VTK Users,<br><br>Please pardon me for re-posting the question. How do I produce the movie file using vtkAVIWriter? I do have written a code and it produces animation file without any problem. When I wanted to present this animation in powerpoint, it so happened
that, full animation played without any problem. But what I observed was that at the beginning of the video and at the end of the video, black screen is displayed. Is this an expected behavior of vtkAVIWriter? If not how can I remove the black screen?<br>
<br>Below is the code I have used.<br><br><p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><span style="font-size:9.5pt;font-family:Consolas">vtkWindowToImageFilter *windowToImage =
vtkWindowToImageFilter::New();</span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><span style="font-size:9.5pt;font-family:Consolas">windowToImage->SetInput(pRenderWindow );</span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><span style="font-size:9.5pt;font-family:Consolas">windowToImage->SetInputBufferTypeToRGBA();</span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><span style="font-size:9.5pt;font-family:Consolas"> </span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><span style="font-size:9.5pt;font-family:Consolas">vtkAVIWriter *avw = vtkAVIWriter::New();</span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><span style="font-size:9.5pt;font-family:Consolas">avw->SetInputConnection(windowToImage->GetOutputPort());</span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><span style="font-size:9.5pt;font-family:Consolas">avw->SetFileName(<span style="color:rgb(163,21,21)">"animation.avi"</span>);</span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><span style="font-size:9.5pt;font-family:Consolas">avw->SetQuality(2);</span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><span style="font-size:9.5pt;font-family:Consolas">avw->SetRate((<span style="color:blue">int</span>)srate);</span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><span style="font-size:9.5pt;font-family:Consolas">avw->Start();</span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><span style="font-size:9.5pt;font-family:Consolas"><span> </span></span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><span style="font-size:9.5pt;font-family:Consolas;color:blue">double</span><span style="font-size:9.5pt;font-family:Consolas"> tIter = startIndex;</span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><span style="font-size:9.5pt;font-family:Consolas"><br>
<span style="color:blue">while</span>(tIter <= endIndex)</span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><span style="font-size:9.5pt;font-family:Consolas">{</span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><span style="font-size:9.5pt;font-family:Consolas"><span> </span>/* Code
to Display Results (Contours and/or vectors) */</span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><span style="font-size:9.5pt;font-family:Consolas"> </span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><span style="font-size:9.5pt;font-family:Consolas"> </span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><span style="font-size:9.5pt;font-family:Consolas"><span> </span>windowToImage->Modified();</span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><span style="font-size:9.5pt;font-family:Consolas"><span> </span>avw->Write();</span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><span style="font-size:9.5pt;font-family:Consolas"><span> </span></span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><span style="font-size:9.5pt;font-family:Consolas"><span> </span>/* Code
to increment the counter */</span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><span style="font-size:9.5pt;font-family:Consolas"><span> </span>tIter
+= timeStep;</span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><span style="font-size:9.5pt;font-family:Consolas">}<span> </span></span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><span style="font-size:9.5pt;font-family:Consolas">avw->End();</span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><span style="font-size:9.5pt;font-family:Consolas"> </span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><span style="font-size:9.5pt;font-family:Consolas">avw->Delete();</span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><span style="font-size:9.5pt;font-family:Consolas">windowToImage->Delete();</span></p><p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal">
<br><span style="font-size:9.5pt;font-family:Consolas"></span></p><p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal;font-family:arial,helvetica,sans-serif"><span style="font-size:9.5pt">Urgent suggestions/help required.</span></p>
<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal;font-family:arial,helvetica,sans-serif"><br><span style="font-size:9.5pt"></span></p><p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal;font-family:arial,helvetica,sans-serif">
<span style="font-size:9.5pt">Thanks in advance</span></p><p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal;font-family:arial,helvetica,sans-serif"><br><span style="font-size:9.5pt"></span></p><p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal;font-family:arial,helvetica,sans-serif">
<span style="font-size:9.5pt">Regards</span></p><p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><span style="font-size:9.5pt;font-family:Consolas"><span style="font-family:arial,helvetica,sans-serif">Rakesh Patil</span><br>
</span></p><br>