<div dir="ltr">Hi Scott, thanks for the reply. Unfortunately it didn't help. I think I remember some other thread with the "<span style="font-size:12.8000001907349px">ShouldRerender" flag, but I think that mentioned it should be </span><span style="font-size:12.8000001907349px">windowToImageFilter.</span><span style="font-size:12.8000001907349px">ShouldRerenderOff();</span><br><span style="font-size:12.8000001907349px">, not on. I tried both anyway, but no change<br><br>All the best,<br>Fredrik</span></div><div class="gmail_extra"><br><div class="gmail_quote">2015-06-09 17:33 GMT+02:00 Scott Wittenburg <span dir="ltr"><<a href="mailto:scott.wittenburg@kitware.com" target="_blank">scott.wittenburg@kitware.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">Hi Frederik,<div><br></div><div> I believe I have encountered this before. What solved it for me was turning on the "ShouldRerender" flag in addition to what you have set. Something like:</div><div><br></div><div>windowToImageFilter.ShouldRerenderOn();</div><div><br></div><div>could possibly help.</div><div><br></div><div>Cheers,</div><div>Scott</div><div><br></div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote"><div><div class="h5">On Tue, Jun 9, 2015 at 9:02 AM, Fredrik <span dir="ltr"><<a href="mailto:frejon@gmail.com" target="_blank">frejon@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"><div class="gmail_quote"><div dir="ltr">Hello. There are several threads on this topic, and the few I see, the proposed solutions are not enough or the thread is left unresolved. see this:<br><br><a href="http://public.kitware.com/pipermail/vtkusers/2014-October/085358.html" target="_blank">http://public.kitware.com/pipermail/vtkusers/2014-October/085358.html</a><br><a href="http://public.kitware.com/pipermail/vtkusers/2014-October/085294.html" target="_blank">http://public.kitware.com/pipermail/vtkusers/2014-October/085294.html</a><br><br>I still am unable to generate anything else than a black image. <div>I'm on the latest VTK, under Mac OS X 10.10. I also tried offscreen rendering, but no luck.<br><br>Hours of googling and testing solutions have proven unsuccessful, I'd really appreciate if anyone could help me.</div><div><br></div><div>here's a snippet of my code if you think it'll help<br><br><div> tempFile = "xyz.bmp";</div><div> // write to temporary bmp file</div><div> vtkBMPWriter writer = new vtkBMPWriter();</div><div> vtkWindowToImageFilter windowToImageFilter = new vtkWindowToImageFilter();</div><div> windowToImageFilter.ReadFrontBufferOff();</div><div> windowToImageFilter.SetMagnification(1);</div><div> windowToImageFilter.SetInput(renderWindow);</div><div> windowToImageFilter.SetInputBufferTypeToRGBA();</div><div> windowToImageFilter.ReadFrontBufferOff();</div><div><br></div><div> windowToImageFilter.Update();</div><div> </div><div> windowToImageFilter.ReadFrontBufferOff();</div><div> writer.SetInputConnection(windowToImageFilter.GetOutputPort());<br></div><div> writer.SetFileName(tempFile);</div><div> writer.Write();</div><br><br><br>Kind Regards, Fredrik<br><br><br><br><br><br><br></div></div>
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