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    Thanks David, that is indeed my problem. It looks like the proposed
    fix is not merged into the 7.0.0 release. I guess I have to use
    QGLWidget in my own version of QVTKRenderWindowInteractor for now,
    although the discussion points out that this is not the best
    solution. <br>
    <br>
    Best,<br>
    Tommy<br>
    <br>
    <div class="moz-cite-prefix">On 2016-02-08 19:46, David Gobbi wrote:<br>
    </div>
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cite="mid:CANwS1=GqY3ZG6ECX-q1hdsvBjBqmRquHq4csiw-cf4UWPtN5fw@mail.gmail.com"
      type="cite">
      <div dir="ltr">You mean the example
        in QVTKRenderWindowInteractor.py?  See the following recent
        discussion:
        <div><br>
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        <div><a moz-do-not-send="true"
href="http://public.kitware.com/pipermail/vtkusers/2016-February/094016.html">http://public.kitware.com/pipermail/vtkusers/2016-February/094016.html</a><br>
          <div class="gmail_extra"><br>
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          <div class="gmail_extra">Cheers,</div>
          <div class="gmail_extra"> - David</div>
          <div class="gmail_extra"><br>
            <div class="gmail_quote">On Mon, Feb 8, 2016 at 11:31 AM,
              Tommy Ellqvist <span dir="ltr"><<a
                  moz-do-not-send="true"
                  href="mailto:rexissimus@yahoo.se" target="_blank"><a class="moz-txt-link-abbreviated" href="mailto:rexissimus@yahoo.se">rexissimus@yahoo.se</a></a>></span>
              wrote:<br>
              <blockquote class="gmail_quote" style="margin:0px 0px 0px
0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">The
                VTK example "QVTKRenderWidgetConeExample" does not
                render correctly in<br>
                VTK7. It looks like the triangles are rendered in the
                wrong order. The cone<br>
                is rendered correctly in python when not using QT. It
                looks like a bug with<br>
                the Qt code in VTK? Or could there be something else
                messing up the<br>
                rendering?<br>
                <br>
                I am running VTK 7.0.0 compiled with OpenGL2, Python 3,
                PyQt5.2.1, Qt5.2<br>
                <br>
                Thanks,<br>
                Tommy<br>
              </blockquote>
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