[vtkusers] Get a VTKRender to draw inside an external QWidget (ver5) (or QOpenGLWidget)

[David Gobbi]

Hi Andras,

Would it be reasonable to add PythonQt support directly into the VTK build?

 David

On Sat, Sep 15, 2018 at 8:16 AM Andras Lasso <lasso at queensu.ca> wrote:

> The Qt OpenGL widget is Python-wrapped in CTK using PythonQt. The view
> widget has several improvements over the plain VTK widget, such as
> scheduleRender infrastructure to optimize calling of render() after changes
> in the VTK pipeline.
>
> http://www.commontk.org
>
> It is used in 3D Slicer, MITK, etc.
>
> Andras
> ------------------------------
> *From:* David Gobbi <david.gobbi at gmail.com>
> *Sent:* Saturday, September 15, 2018 9:58 AM
> *To:* Elvis Stansvik
> *Cc:* VTK Users
> *Subject:* Re: [vtkusers] Get a VTKRender to draw inside an external
> QWidget (ver5) (or QOpenGLWidget)
>
> Hi Elvis,
>
> QVTKOpenGLWidget is not available in Python, it would have to be
> wrapped with sip (or shiboken) rather than with the stock VTK wrappers.
>
> The old QVTKWidget was, at one point, wrapped in Python as shown here:
> https://gitlab.kitware.com/vtk/vtk/commit/d487197
> <https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgitlab.kitware.com%2Fvtk%2Fvtk%2Fcommit%2Fd487197&data=02%7C01%7Classo%40queensu.ca%7Ca811ce9266714ebcb9a808d61b136097%7Cd61ecb3b38b142d582c4efb2838b925c%7C1%7C0%7C636726167389018144&sdata=UIeDsSTCw0YQ168bpV11UR8YcGbbrwmxMZBjeeSlx1A%3D&reserved=0>
>
>
> It's totally feasible to do something similar with QVTKOpenGLWidget, if
> someone wants to dedicate the time.
>
>  - David
>
>
> On Sat, Sep 15, 2018 at 6:06 AM Elvis Stansvik <
> elvis.stansvik at orexplore.com> wrote:
>
>>
>> I came across this thread while trying to find a QOpenGLWidget based
>> VTK/PyQt5 widget.
>>
>> Just want to ask: The QVTKOpenGLWidget suggested here is not available
>> from Python right? (since it's not a vtkObject).
>>
>> The OP asked about Python, and I'm sort of in the same boat.
>>
>> Elvis
>>
>> >
>> > Regards,
>> > Martijn
>> >
>> >
>> >
>> >
>> >
>> > Op 22 feb. 2018 21:10 schreef "Steve Petruzza" <spetruzza at sci.utah.edu
>> >:
>> >>
>> >> Hi,
>> >>
>> >> I have a QOpenGLWidget that draws using gl calls. I would like to use
>> a VTK render to draw inside the same canvas.
>> >>
>> >> I tried to use a QVTKRenderWindowInteractor passing the canvas as
>> parent, but the canvas starts flickering and I cannot see any rendering.
>> >> The same VTK render (using the same QVTKRenderWindowInteractor) works
>> correctly in a separate vtkrenderwindow.
>> >>
>> >> Is there any simple way to just get the VTKRender to draw directly
>> into the glRender loop of the canvas using the existing rendering window?
>> >> Or any other suggestions.
>> >>
>> >> I am using VTK 8.1.0 and Qt 5.10 and this QVTKRenderWindowInteractor:
>> https://gitlab.kitware.com/alextsui05/vtk/blob/e9e9ffcfbbad68343a0782a1d9024735b7649a46/Wrapping/Python/vtk/qt5/QVTKRenderWindowInteractor.py
>> <https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgitlab.kitware.com%2Falextsui05%2Fvtk%2Fblob%2Fe9e9ffcfbbad68343a0782a1d9024735b7649a46%2FWrapping%2FPython%2Fvtk%2Fqt5%2FQVTKRenderWindowInteractor.py&data=02%7C01%7Classo%40queensu.ca%7Ca811ce9266714ebcb9a808d61b136097%7Cd61ecb3b38b142d582c4efb2838b925c%7C1%7C0%7C636726167389018144&sdata=q62tMP%2ButZOYi13u%2FJ0Uv3GEWpLaZKRG%2FJpgk1BmjYk%3D&reserved=0>
>> >>
>> >> Thank you,
>> >> Steve
>>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://public.kitware.com/pipermail/vtkusers/attachments/20180915/938cc56c/attachment.html>