[vtkusers] QVTKWidget render artefact

Elvis Stansvik elvis.stansvik at orexplore.com
Wed Oct 17 01:56:34 EDT 2018


Den ons 17 okt. 2018 kl 06:37 skrev Brett Ables <brett.ables at gmail.com>:
>
> I have a related question then. So for using vtk with pyqt I'm doing something similar to this example, except modified for pyqt5:
>
> https://www.vtk.org/Wiki/VTK/Examples/Python/Widgets/EmbedPyQt
>
> Should I be using QVTKOpenGLWidget instead of the QVTKRenderWindowInteractor with a QFrame? Everything seems to work fine for me. Does the OpenGL widget have better performance? I've read on kitware blogs that there were recent OpenGL rendering improvements, but I assumed I was already benefiting from those since I'm on a recent version acquired through pip or conda.

I think for Python, QVTKRenderWindowInteractor is the only option.
QVTKOpenGLWidget is unfortunately not wrapped for Python, since it's
not a vtkObjectBase-derived class (needed for the wrapper generator).

Elvis

>
> Thanks!
>
> On Tue, Oct 16, 2018, 10:41 PM Brett Ables <flutefreak7 at gmail.com> wrote:
>>
>> I have a related question then. So for using vtk with pyqt I'm doing something similar to this example, except modified for pyqt5:
>>
>> https://www.vtk.org/Wiki/VTK/Examples/Python/Widgets/EmbedPyQt
>>
>> Should I be using QVTKOpenGLWidget instead of the QVTKRenderWindowInteractor with a QFrame? Everything seems to work fine for me. Does the OpenGL widget have better performance? I've read on kitware blogs that there were recent OpenGL rendering improvements, but I assumed I was already benefiting from those since I'm on a recent version acquired through pip or conda.
>>
>> Thanks!
>>
>>
>>
>>
>> On Tue, Oct 16, 2018, 3:55 PM Jean-Christophe Fillion-Robin <jcfr at kitware.com> wrote:
>>>
>>> (re-adding the mailing list in cc)
>>>
>>> > I think, I need to download the 8 version.
>>>
>>> You could indeed get version 8.1 (the latest release)
>>>
>>> Hth
>>> Jc
>>>
>>>
>>> On Tue, Oct 16, 2018 at 4:49 PM Nacim Foudilbey <nfoudilbey at gmail.com> wrote:
>>>>
>>>> Dear Jean-Christophe,
>>>> Thank you for the quick reply.
>>>> I think, I need to download the 8 version.
>>>> Cimo
>>>>
>>>> On Tue, 16 Oct 2018 at 15:20, Jean-Christophe Fillion-Robin <jcfr at kitware.com> wrote:
>>>>>
>>>>> Hi Cimo,
>>>>>
>>>>> The use of QVTKWidget is deprecated, please could you try using QVTKOpenGLWidget instead ?
>>>>>
>>>>> See https://github.com/Kitware/VTK/blob/master/GUISupport/Qt/QVTKOpenGLWidget.h
>>>>>
>>>>> Hth
>>>>> Jc
>>>>>
>>>>> On Tue, Oct 16, 2018 at 3:00 PM cimo <nfoudilbey at gmail.com> wrote:
>>>>>>
>>>>>> Hello community,
>>>>>> I have problem, I use QVTKWidget for rendering 3d objects.
>>>>>> how to correct visualization artifacts (see figures).
>>>>>> Thank you in advance.
>>>>>> cimo
>>>>>> <http://vtk.1045678.n5.nabble.com/file/t341951/surface2.png>
>>>>>> <http://vtk.1045678.n5.nabble.com/file/t341951/voxet2.png>
>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Sent from: http://vtk.1045678.n5.nabble.com/VTK-Users-f1224199.html
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