Re: [Gnuplot-info] Coloring 2D data points

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

set cbrange [0:3]

see:
http://www.gnuplot.info/docs/node214.html

unset colorbox

see:
http://www.gnuplot.info/docs/node167.html


antarctidaonline wrote:
> 
> Please explain me something about keyword "palette". I have the same task
> as user ranlot in the very first message. So, for example, I have such
> file, with name "1.txt":
> 
> 10	5	3
> 20	8	2
> 30	6	1
> 40	9	0
> 
> I read documentation and wrote such a script:
> 
> set encoding koi8r
> 
> set border
> set xtics border
> set mxtics
> set ytics axis
> 
> set grid xtics ytics
> 
> set xrange [0:50]
> set yrange [0:10]
> 
> set palette model RGB maxcolors 4
> set palette defined ( 0 "blue", 1 "green", 2 "yellow", 3 "red" )
> 
> plot 		'1.txt' using 1:2:3 with points pointtype 5 palette
> pause mouse
> 
> Well, I get such an image:
>  http://old.nabble.com/file/p27451009/Pict.jpg 
> All points are yellow! It is because z coordinates of points are all in
> interval from 0 to 5, wich belongs to yellow color. But how I can change
> this intervals? I need all points to be different colors. And - what I
> need to write to delete "color legend" at right side of graph?
> And, of course, I use Windows version of gnuplot 4.2.
> 

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