[vtkusers] Rendering bug with VTK 7.0 + Qt 5.7 (non-retina MacBook)

[Shawn Waldon]

Hi Enzo,

I know there have been some Qt5 + OpenGL2 issues in the past (and possibly
still currently in VTK).  I would like to point out that Qt 5.5 was current
when VTK 7.0 was released, so you are using two library versions that were
never tested together.  Could you try the 7.1 release candidate?  You may
have better luck since that has had over a year of fixes (including several
for the Qt5 + OpenGL2 case) and has been tested with Qt5.7 in some of our
applications.

HTH,
Shawn

On Thu, Oct 20, 2016 at 9:34 AM, Enzo Matsumiya <enzo.matsumiya at gmail.com>
wrote:

> Hi,
>
> Recently I came across this issue on a non-retina Mac, where the rendering
> will show some artifacts, but also will perform some unwanted actions by
> itself, such as windowing, reslicing and some elements (e.g.
> vtkResliceCursorWidget) goes missing at random.
>
> Some information:
> MacBook mid-2012 Core i5, non-retina
> Intel HD Graphics 4000
> Mac OS X 10.11.6
>
> VTK 7.0 stable
> Compiled with clang
> Dynamic libs
> Release build type
> OpenGL2 backend
>
> Qt 5.7
> Default installation from the OSX package
>
> Here is an example screenshot of what kind of artifacts I'm seeing:
>
> https://i.imgsafe.org/8c735567e8.png
>
>
> Thanks in advance.
>
>
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