[Qt-interest] Problem using OpenGL from Qt Application

[Rainer Wiesenfarth]

From: Sujan Dasmahapatra
> [...]
> void GraphicsView::paintGL()
> {
>     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
>     glLoadIdentity();
>     glTranslated(0.0, 0.0, -10.0);
>     [...]
> }
> [...]

Correct me if I am wrong, but the translate causes all geometry getting
clipped, doesn't it? I would assume it works if you add

   glMatrixMode (GL_PROJECTION);
   glOrtho (-20.0, 20.0, -20.0, 20.0, -20.0, 20.0);
   glMatrixMode (GL_MODELVIEW);

between glClear() and glLoadIdentity().

Best Regards / Mit freundlichen Grüßen
Rainer Wiesenfarth

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