Re: [Gnuplot-info] Surface plot from data files

[drgz <sy...@ho...>]

Yup, I found those help commands later on last night, but I still get plots
that look much "uglier" than the ones from the surf(). Maybe it would be
better I found out what commands octave calls in Gnuplot when the surf()
function is called, but when i open surf.m / surface.m I can't find any
useful information.


Basically I would like to know how to get the same plot as in th the example
PDF, but from scratch in Gnuplot, such that I easily can change whatever I
want to change.

Regards,

drgz


Tatsuro MATSUOKA-5 wrote:
> 
> Hello
> 
> Sorry for separated posts.
> 
> Please also read 'help splot grid_data'
> 
> Regards
> 
> Tatsuro
> 
> --- Tatsuro MATSUOKA  wrote:
> 
>> Hello
>> 
>> Please read first carefully output of the 'help splot datafile'.
>> 
>> Regards
>> 
>> Tatsuro
>> --- drgz wrote:
>> 
>> > 
>> > Hello,
>> > 
>> > I'm trying to make a surface plot using data I've exported from Octave.
>> I
>> > found it to be easier to edit the labels etc with Gnuplot when I did my
>> 2D
>> > plots, so I want to do the same with the 3D plots, but I simply don't
>> get
>> > how to organize the data such that the plot becomes the same as when
>> using
>> > surf() in Octave.
>> > 
>> > Example;
>> > 
>> > I got two vectors and a matrix I want to plot:
>> > 
>> > size(freqvec) = 101 x 1
>> > size(pinvec) = 26 x 1
>> > size(s22vec) = 101 x 26
>> > 
>> > Should I save these to three separate data files, or should I save them
>> all
>> > to the same file? And how is the syntax for linking them together in
>> > Gnuplot?
>> > 
>> > I've tried both saving them to different files, and to the same file,
>> but I
>> > simply don't manage to get it right.
>> > 
>> > When using Octave, I get the plot as in the attached file, which is
>> nice,
>> > but as I want to tweak a little on the figure I thought it might be
>> easier
>> > doing it from Gnuplot directly.
>> > 
>> > So can anyone point me in the right direction, or know somewhere I can
>> read
>> > about how to get the plot right?
>> > 
>> > Best regards,
>> > 
>> > drgz
>> > 
>> > http://www.nabble.com/file/p25869511/test.pdf test.pdf 
>> > -- 
>> > View this message in context:
>> >
>> http://www.nabble.com/Surface-plot-from-data-files-tp25869511p25869511.html
>> > Sent from the Gnuplot - User mailing list archive at Nabble.com.
>> > 
>> > 
>> >
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