Re: Gnuplot and Octave.

[Daniel J S. <dan...@ie...>]

Hans-Bernhard Broeker wrote:

>On Fri, 20 Feb 2004, Daniel J Sebald wrote:
>
>[...]
>  
>
>>One small drawback though is that when the data reaches the point of 
>>gnuplot_x11 it has been translated to a new coordinate system. 
>>    
>>
>
>Not just translated, but projected, too.  I.e. the coordinates known
>to gnuplot_x11 are always 2D.  There's no way at all it could give
>back 3D data.
>

Oh yeah.  That too.

>But now that I look at the sources, it seems the 3D data are actually kept 
>around until the next 'plot', i.e. the only calls to the relevant routine
>sp_free() are in eval3d_plot() and when you change the 'samples' settings
>(for whatever that is supposed to achieve...)
>

My guess would be that sampling pertains to the sampling intervals of a 
internal math function so that if the user changes that it is assumed 
that the data inherently changes.

Dan