Re: Ggnuplot-beta@lists.sourceforge.netnuplot crashing for "hidden3d undefined" ?

[Thomas S. <t.s...@fz...>]

oh, it's a little bit more difficult:

the macros 'GET_MIN' and 'GET_MAX' should be different for checking
min or max values in x- and y- and for checking min or max values in
z-direction.

who introduced the 'assert' statements into the 'GET_MIN' and 'GET_MAX'
macros and why?


Thomas Sefzick wrote:
> 
> interesting, gnuplot 4.0 doesn't crash, it seems that repairing some
> bugs (too large z-values flip to negative(?) values when making the
> z-scaling too large with the middle mouse button, but, gp 4.0 doesn't
> crash!)
> introduced this behaviour.
> 
> the assertion goes away when 'min' or 'max' are compared to
> 'surface_zscale' and not to 'surface_scale' as it is now in 'hidden3d.c'.
> (z-values don't have anything to do with the scaling of the x-y-plane)
> 
> but then i run into this segmentation fault when 'surface_zscale' is
> around '10'.
> 
> 

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