<html><head></head><body><div style="color:#000; background-color:#fff; font-family:Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:13px"><div id="yui_3_16_0_ym19_1_1537248140221_8330"><span>Hi to all</span></div><div id="yui_3_16_0_ym19_1_1537248140221_8330" dir="ltr"><span id="yui_3_16_0_ym19_1_1537248140221_8356">I have problems to use </span><span style="font-family: Arial; font-size: small;" id="yui_3_16_0_ym19_1_1537248140221_8377">QVTKOpenglWidget vs </span><span style="font-family: Arial; font-size: small;" id="yui_3_16_0_ym19_1_1537248140221_8402">QVTKWidget2</span></div><div id="yui_3_16_0_ym19_1_1537248140221_8330" dir="ltr"><span style="font-family: Arial; font-size: small;" id="yui_3_16_0_ym19_1_1537248140221_8473">If somebody have a simple example how to use </span><span style="font-family: Arial; font-size: small;" id="yui_3_16_0_ym19_1_1537248140221_8499">QVTKOpenglWidget instead of </span><span style="font-family: Arial; font-size: small;" id="yui_3_16_0_ym19_1_1537248140221_8524">QVTKWidget2</span></div><div id="yui_3_16_0_ym19_1_1537248140221_8330" dir="ltr"><span style="font-family: Arial; font-size: small;">Thanks, Leonid</span></div><div class="qtdSeparateBR" id="yui_3_16_0_ym19_1_1537248140221_8331"><br><br></div><div class="yahoo_quoted" id="yui_3_16_0_ym19_1_1537248140221_8362" style="display: block;"> <div style="font-family: Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 13px;" id="yui_3_16_0_ym19_1_1537248140221_8361"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;" id="yui_3_16_0_ym19_1_1537248140221_8360"> <div dir="ltr" id="yui_3_16_0_ym19_1_1537248140221_8359"> <font size="2" face="Arial" id="yui_3_16_0_ym19_1_1537248140221_8358"> <hr size="1" id="yui_3_16_0_ym19_1_1537248140221_8357"> <b><span style="font-weight:bold;">From:</span></b> Andras Lasso <lasso@queensu.ca><br> <b><span style="font-weight: bold;">To:</span></b> minjun <mey1k@naver.com>; "vtkusers@vtk.org" <vtkusers@vtk.org> <br> <b><span style="font-weight: bold;">Sent:</span></b> Tuesday, September 18, 2018 5:43 AM<br> <b><span style="font-weight: bold;">Subject:</span></b> Re: [vtkusers] QVTKWidget vs QVTKOpenglWidget vs QVTKWidget2<br> </font> </div> <div class="y_msg_container"><br><div dir="ltr">You may try the recently added QVTKOpenGLNativeWidget instead.<br clear="none"><br clear="none"><a shape="rect" href="https://www.vtk.org/doc/nightly/html/classQVTKOpenGLNativeWidget.html" target="_blank">https://www.vtk.org/doc/nightly/html/classQVTKOpenGLNativeWidget.html</a><br clear="none"><br clear="none">Let us know if it works for this use case.<br clear="none"><br clear="none">Andras<br clear="none"><br clear="none">-----Original Message-----<br clear="none">From: vtkusers <<a shape="rect" ymailto="mailto:vtkusers-bounces@public.kitware.com" href="mailto:vtkusers-bounces@public.kitware.com">vtkusers-bounces@public.kitware.com</a>> On Behalf Of minjun<br clear="none">Sent: Monday, September 17, 2018 8:55 PM<br clear="none">To: <a shape="rect" ymailto="mailto:vtkusers@vtk.org" href="mailto:vtkusers@vtk.org">vtkusers@vtk.org</a><br clear="none">Subject: [vtkusers] QVTKWidget vs QVTKOpenglWidget vs QVTKWidget2<br clear="none"><br clear="none">I want to have qvtkwidget as background and place a generic QWidget on top of it.<br clear="none"><br clear="none">However, when I place a generic qwidget, the widget looks like to stop or not work properly.<br clear="none"><br clear="none">I came to know through many searches that this is a opengl context problem.<br clear="none"><br clear="none">So some people advice me to use QWidget2 or QVTKOpenglWidget to solve this problem.<br clear="none"><br clear="none">Is this the right way?<br clear="none"><br clear="none">If you have any experience like this, I would like to get some advice. 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