[vtkusers] Qt VTK OpenGL Not Supported problem

[Mike Chinander]

Yesterday, I encountered this QT_OPENGL issue when upgrading to the latest
master (had been using VTK 8.1). The just-released QtCreator 4.7.1 no
longer forces this to be 'angle' by default.

http://blog.qt.io/blog/2018/09/20/qt-creator-4-7-1-released

On Thu, Sep 13, 2018 at 6:21 AM meakcey <meakcey at gmail.com> wrote:

> I could not implement your suggestion
> I have tried something like that on main.cpp
>
> #include "mainwindow.h"
> #include <QApplication>
>
> #include <QSurfaceFormat>
> #include <QVTKOpenGLWidget.h>
>
> int main(int argc, char *argv[])
> {
>     QSurfaceFormat::setDefaultFormat(QVTKOpenGLWidget::defaultFormat());
>     QApplication a(argc, argv);
>     MainWindow w;
>     w.show();
>     return a.exec();
> }
>
> But that did not work.
>
> When I looked at the system environment settings of Qt, I have seen there
> is
> a variable like QT_OPENGL = angle
> I have changed that to "desktop" and it worked.
>
> Thank you
>
>
>
>
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