[vtk-developers] Anti-aliasing / multi sampling turned off in VTK 6.2?

Kilgus, Thomas t.kilgus at Dkfz-Heidelberg.de
Tue May 5 05:52:21 EDT 2015


Since this is a major issue for us, I am curious: Should I keep pressuring you here for a fix or in mantis? Or are you already looking into it?

Regards,
Thomas

Von: David Lonie [mailto:david.lonie at kitware.com]
Gesendet: Donnerstag, 23. April 2015 15:12
An: Kilgus, Thomas
Cc: David Cole; vtk-developers at vtk.org
Betreff: Re: [vtk-developers] Anti-aliasing / multi sampling turned off in VTK 6.2?

I can reproduce this on current master using the test script in the bug report. Something is definitely broken...

Dave

On Thu, Apr 23, 2015 at 8:53 AM, Kilgus, Thomas <t.kilgus at dkfz-heidelberg.de<mailto:t.kilgus at dkfz-heidelberg.de>> wrote:
Oh great, at least it is now visible. Do you have any build to reproduce this?

-----Ursprüngliche Nachricht-----
Von: David Cole [mailto:DLRdave at aol.com<mailto:DLRdave at aol.com>]
Gesendet: Donnerstag, 23. April 2015 14:49
An: Kilgus, Thomas
Cc: David Lonie; vtk-developers at vtk.org<mailto:vtk-developers at vtk.org>
Betreff: Re: [vtk-developers] Anti-aliasing / multi sampling turned off in VTK 6.2?

OK -- I do see it in the AntiAliasingOff png file.

On Thu, Apr 23, 2015 at 8:38 AM, Kilgus, Thomas <t.kilgus at dkfz-heidelberg.de<mailto:t.kilgus at dkfz-heidelberg.de>> wrote:
> Ah it's very tricky to make a nice screen shot of anti-aliasing... I attached another version in mantis named AntiAliasingOff.png. I hope it becomes clear now. It is obvious if you build the example.
>
>
> -----Ursprüngliche Nachricht-----
> Von: David Cole [mailto:DLRdave at aol.com<mailto:DLRdave at aol.com>]
> Gesendet: Donnerstag, 23. April 2015 12:41
> An: Kilgus, Thomas
> Cc: David Lonie; vtk-developers at vtk.org<mailto:vtk-developers at vtk.org>
> Betreff: Re: [vtk-developers] Anti-aliasing / multi sampling turned off in VTK 6.2?
>
> That looks like it could just be a lighting or color difference...
> Both images appear anti-aliased to my eye, but the exact coloring of the lines is definitely different.
>
>
> On Thu, Apr 23, 2015 at 5:22 AM, Kilgus, Thomas <t.kilgus at dkfz-heidelberg.de<mailto:t.kilgus at dkfz-heidelberg.de>> wrote:
>> Hi David,
>>
>>
>>
>> I filed a bug report: http://www.vtk.org/Bug/view.php?id=15433
>>
>>
>>
>> We have this issue on various operating systems. I explained
>> everything in mantis and added a file to reproduce it. In general,
>> you could checkout the tag v6.2.0 and open any renderwindow which
>> contains lots lines, such as a surface rendered as wireframe. I would
>> be really surprised if this is not reproducible on that commit for you.
>>
>>
>>
>> Regards,
>>
>> Thomas
>>
>>
>>
>> Von: David Lonie [mailto:david.lonie at kitware.com<mailto:david.lonie at kitware.com>]
>> Gesendet: Mittwoch, 22. April 2015 16:55
>> An: Kilgus, Thomas
>> Cc: vtk-developers at vtk.org<mailto:vtk-developers at vtk.org>
>> Betreff: Re: [vtk-developers] Anti-aliasing / multi sampling turned
>> off in VTK 6.2?
>>
>>
>>
>> On Wed, Apr 22, 2015 at 10:43 AM, Kilgus, Thomas
>> <t.kilgus at dkfz-heidelberg.de<mailto:t.kilgus at dkfz-heidelberg.de>> wrote:
>>
>> No, just the regular VTK example. Is this feature working for you?
>>
>>
>>
>> I've been using on-screen multisampling on the current dev branch
>> without issues. Not sure what else would be causing this.
>>
>>
>>
>> Can you open a bug report for this? Best if you can include a short
>> script that reproduces the issue and details about your operating system.
>>
>>
>>
>> Dave
>>
>>
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