two questions about gtkplot3d

Hi,

I'm writing an application that have to draw 3D graph.
I was trying to use gtkextra-0.99, in the example directory there was 
testgtkplot3d that is fine for me, but my project use gtk-2.0 so I have 
installed gtkextra-2.0.
The new example testgtkplot3d in gtkextra-2.0 doesnt draw axis, but maybe its 
only some mistake in the code, or something like that ?

Second question: I have to draw something like gauss functon in 3D, there will 
be 2000 planes where I have to draw a line. Computation on my laptop takes 
about 20 minutes, is that possible to draw 2000 lines in realtime as they are 
computed? But The "z" scale should remain this same ( gauss function spread 
in the "z" direction ) 

greetings
Marek


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