Re: [guppi-list] 3D plotting library

[Jon Trowbridge <trow emccta com>]

On Mon, Jan 24, 2000 at 08:56:01AM +0000, Aaron Lehmann wrote:
> I have ported from KDE a plotting widget that draws beautiful (IMHO) 3d
> graphs. I thought that this might be of interest to other people

I tried out your 3d demo --- very slick.  I definitely want Guppi to
support 3d plots.  However, all of Guppi's plotting is canvas-based:
so any 3d plotter would have to be ported to a canvas item.

IMHO, the right way to do this would be to use OpenGL.  I know about
the OpenGL area widget for gtk, but is it possible to render OpenGL
into a canvas item?  I know that you can always just drop a GtkGLArea
widget onto the canvas, but I suspect you'd lose alpha transparency.
Does anyone know about this sort of thing.  (I'm totally clueless when
it comes to 3d and OpenGL.)

-JT

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