<div dir="ltr"><div class="markdown-here-wrapper" style="font-family:"Lucida Sans",Cantarell,Verdana,sans-serif;color:rgb(11,83,148)"><p style="margin:0px 0px 1.2em!important">Hi Elvis,</p>
<p style="margin:0px 0px 1.2em!important">Haven’t had a chance to look at vtkMultiVolume in depth yet.<br>I’ll take a look at it in downtime to see if the issue is relatively simple.</p>
<p style="margin:0px 0px 1.2em!important">Thanks,<br>Sankhesh</p>
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> Hi all,<br>
><br>
> I'm trying out the (very cool) vtkMultiVolume in VTK master.<br>
><br>
> Performance is noticeably slower if I render two volumes added to a<br>
> vtkMultiVolume, than if I render the same as separate volumes in the<br>
> "traditional" way. Is this to be expected? (note that in this<br>
> particular test, my two volumes were not intersecting, so the visual<br>
> result in the two scenarios was exactly the same).<br>
><br>
> I'll need to investigate more, but it seems that I can't set the<br>
> position of the first volume (the one set to port 0) using<br>
> SetPosition(..), it has no effect. Setting the position of subsequent<br>
> volumes (at higher port numbers) seems to work. I believe this was<br>
> possibly reported by another user on the users list.<br>
<br>
Update: When trying with a minimal test case, it seems I'm not able to<br>
reproduce this particular issue with SetPosition, so I'll have to go<br>
back to my code to see what I possibly did wrong there.<br>
<br>
Elvis<br>
<br>
><br>
> Again I need to investigate more, but it seems<br>
> vtkRenderer::ResetCamera() did not quite work correctly when I had a<br>
> single vtkMultiVolume with a couple of volumes hooked up. It did not<br>
> center correctly on the two volumes.<br>
><br>
> Just wanted to ask if these were known issues, or if I should report<br>
> them? If I should report them I'll try to make minimal test cases.<br>
><br>
> Cheers,<br>
> Elvis<br>
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</blockquote></div>-- <br><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div class="inbox-inbox-inbox-inbox-inbox-inbox-inbox-markdown-here-wrapper" style="font-family:"proza libre",sans-serif;color:rgb(0,56,107)"><h5 id="inbox-inbox-inbox-inbox-inbox-inbox-inbox-sankhesh-jhaveri" style="margin:1.3em 0px 1em;padding:0px;font-size:1.1em;border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:rgb(238,238,238);font-weight:bold;color:rgb(11,65,148)">Sankhesh Jhaveri</h5>
<h6 id="inbox-inbox-inbox-inbox-inbox-inbox-inbox--sr-research-development-engineer-kitware-http-www-kitware-com-518-881-4417" style="margin:1.3em 0px 1em;padding:0px;font-size:1em;color:rgb(11,83,148);font-family:"open sans",sans-serif;font-weight:normal"><em>Sr. Research & Development Engineer</em> | <a href="http://www.kitware.com/">Kitware</a> | (518) 881-4417</h6>
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