Do you know how to set a symmetric palette color ? I mean dark/blue for z=0, red/orange z=1.5 and z=-1.5 and yellow z=3 z=-3 with still a gradient color between color level.
If you have any ideas please ? Thanks you !
1 Answer
What is your code so far? Have you checked help, especially help palette?
Check the following example:
Code:
### defined symmetric palette
reset session
set size square
set palette defined (0 'yellow', 1 'red', 2 'dark-blue', 3 'black', 4 'dark-blue', 5 'red', 6 'yellow')
set samples 100
set isosamples 100
plot '++' u 1:2:(sqrt(abs($1*$2))*1.2-3) w image notitle
### end of code
Result:
1 Comment
Suntory
Oh thank you, I had misunderstood the functioning of "palette defined"