[vtkusers] Enable sample buffers on QGLWidget-based VTK widget from Python

[Sankhesh Jhaveri]

Elvis,

According to Qt documentation[1], QGLWidget is obsolete in Qt 5 and they
suggest using QOpenGLWidget (which has setFormat API).


​[1] http://doc.qt.io/qt-5/qglwidget.html
​

Sankhesh


On Thu, Jun 23, 2016 at 8:52 AM, Elvis Stansvik <
elvis.stansvik at orexplore.com> wrote:

> This is slightly off-topic, but here it goes: I have my own VTKWidget,
> similar to QVTKRenderWindowInteractor, which is based on QGLWidget. I
> wanted to enable sample buffers / samples on it, so that lines et.c. drawn
> by VTK are anti-aliased.
>
> I thought I could do
>
> glFormat = self.format()
> glFormat.setSampleBuffers(True)
> glFormat.setSamples(8)
> self.setFormat(glFormat)
>
> but it turns out setFormat is made obsolete in Qt 5, and PyQt does not
> wrap obsolete methods.
>
> Anyone know of some other way of achieving the same thing?
>
> Elvis
>
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