[Qt-interest] How to draw a 2-D matrix as a 3-D surface

[Fabio Giovagnini]

Thanks a lot.


Alle 10:19, lunedì 20 aprile 2009, Enrico Ros ha scritto:
> You can look around for libraries supporting the plotting of 2D data on a
> 3D- like graph. QwtPlot3D comes to mind (http://qwtplot3d.sourceforge.net/)
> but it uses OpenGL too.
>
> If you don't want to use OpenGL you can do it by hand but you have to do a
> small "3D engine like" code. You could use QGraphicsView, use an isometric
> o perspective projection to map the mesh squares (3 coords per 4 vertices)
> to polygons (4 sided), z-sort them and create QGraphicsItems...
>
> ..however this is only if you want to get rid of OpenGL and don't depend on
> any external library.

It is the main reason.
>
> Enrico Ros
>
>
>
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Fabio Giovagnini

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