[vtk-developers] Antialiasing broken in Qt5

[David Lonie]

Bumping -- can someone with a Qt5 build around do a quick test to see if
multisampling works in a QVTKWidget? Has anyone been working on Qt5 support
that might have an idea what's happening?

On Thu, May 7, 2015 at 9:17 AM, David Lonie <david.lonie at kitware.com> wrote:

> On Thu, May 7, 2015 at 8:31 AM, Christoph Kolb <c.kolb at dkfz-heidelberg.de>
> wrote:
>
>>  your fix works for me in the RGrid example and also in SimpleView with
>> Qt4.
>> But not in Qt5.
>> If you run the SimpleView example with Qt5, multisampling is off again
>> which is inexplicable to me because in my understanding the QVTKWidget was
>> simply painting the GL buffer rendered by a vtkRenderWindow which should
>> already be antialiased... Is that wrong?
>>
>
> Hmm, I'm not super familiar with the Qt layer in VTK. Perhaps someone else
> on the list might know?
>
> Looking at the QVTKWidget implementation, I don't see why the Qt version
> would make a difference regarding MSAA. Let's see if someone on the list
> has any ideas, and I'll ask around to see what I can find out.
>
> Dave
>
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