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<div>With regard to OpenGL1 vs OpenGL2 backends – I think that there’s an issue with 5.0.1 where the frontend/backend need to be compiled using the same OpenGL ….. so if you want to jump back to OpenGL1 on the backend, you’ll need a similarly configured frontend
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<span style="font-weight:bold">From: </span>ParaView <<a href="mailto:paraview-bounces@paraview.org">paraview-bounces@paraview.org</a>> on behalf of David Lonie <<a href="mailto:david.lonie@kitware.com">david.lonie@kitware.com</a>><br>
<span style="font-weight:bold">Date: </span>Friday, June 17, 2016 at 7:22 AM<br>
<span style="font-weight:bold">To: </span>Cory Quammen <<a href="mailto:cory.quammen@kitware.com">cory.quammen@kitware.com</a>><br>
<span style="font-weight:bold">Cc: </span>Craig Christensen <<a href="mailto:craig.christensen@ucalgary.ca">craig.christensen@ucalgary.ca</a>>, "<a href="mailto:paraview@paraview.org">paraview@paraview.org</a>" <<a href="mailto:paraview@paraview.org">paraview@paraview.org</a>><br>
<span style="font-weight:bold">Subject: </span>[Non-DoD Source] Re: [Paraview] [EXTERNAL] Re: Rendering issue with cross-sections in 3D<br>
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<div dir="ltr">Has anyone tested OpenGL1 vs. OpenGL2 backends on master?
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<div>It may be an issue with the recent changes to depth peeling. OpenGL1 will still use the old implementation, OpenGL2 (not on mesa) will use the new version.</div>
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<div class="gmail_extra"><br>
<div class="gmail_quote">On Fri, Jun 17, 2016 at 5:34 AM, Cory Quammen <span dir="ltr">
<<a href="mailto:cory.quammen@kitware.com">cory.quammen@kitware.com</a> < Caution-<a href="mailto:cory.quammen@kitware.com">mailto:cory.quammen@kitware.com</a> > ></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Folks,<br>
<br>
The bad Caution-news: I can reproduce this in ParaView 5.0.1 on a Mac given<br>
the data files Craig shared.<br>
<br>
The good Caution-news: I cannot reproduce it in my development version of<br>
ParaView 5.1 RC1. Mind downloading that version of ParaView and giving<br>
it a shot? I would guess there might have been a rendering bug in the<br>
OpenGL2 backend in VTK that has since been fixed.<br>
<br>
Thanks,<br>
Cory<br>
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On Fri, Jun 17, 2016 at 3:15 AM, Scott, W Alan <<a href="mailto:wascott@sandia.gov">wascott@sandia.gov</a> < Caution-<a href="mailto:wascott@sandia.gov">mailto:wascott@sandia.gov</a> > > wrote:<br>
> Steve,<br>
><br>
> I worry it sounds a bit like a bug.<br>
><br>
> Can you provide us with a toy dataset (or non-toy, if necessary) that replicates the issue? Also, really, really good directions (+Y, roll mouse wheel in 4 times)?<br>
><br>
> Alan<br>
><br>
> -----Original Message-----<br>
> From: ParaView [Caution-<a href="mailto:paraview-bounces@paraview.org">mailto:paraview-bounces@paraview.org</a> < Caution-<a href="mailto:paraview-bounces@paraview.org">mailto:paraview-bounces@paraview.org</a> > ] On Behalf Of Steve Lamont<br>
> Sent: Thursday, June 16, 2016 7:12 PM<br>
> To: <a href="mailto:paraview@paraview.org">paraview@paraview.org</a> < Caution-<a href="mailto:paraview@paraview.org">mailto:paraview@paraview.org</a> > <br>
> Subject: [EXTERNAL] Re: [Paraview] Rendering issue with cross-sections in 3D<br>
><br>
>> I'm using Paraview v5.0.1 to visualize some geophysical data, but I'm<br>
>> running into a rendering issue. When I zoom in to my data sets, data<br>
>> in the background randomly jumps in front of cross-sections in the<br>
>> foreground.<br>
><br>
> I'm running into a similar issue.<br>
><br>
> I have three cross sections, along the three major axes, and they do not seem to occlude one another as one would expect.<br>
><br>
> I've turned on depth peeling and have experimented with setting the maximum number of peels to no avail.<br>
><br>
> I know this is a classic OpenGL depth sorting issue since I've run into myself back when I was coding such things.<br>
><br>
> I've updated my nVidia drivers to what passes for the Latest and Greatest for Ubuntu Linux and I have a fairly recent graphics card (Quadro K2000D). I'll be happy to supply any other system information I can if it'll help.<br>
><br>
> Is there something else I need to switch on in order to get ParaView to operate in the "expected" manner?<br>
><br>
> Thanx.<br>
><br>
> spl<br>
><br>
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<span class="HOEnZb"><font color="#888888">--<br>
Cory Quammen<br>
R&D Engineer<br>
Kitware, Inc.<br>
</font></span>
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