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I am using gnuplot. I would like to compare across different settings of the same type of data in a color plot using something like the following:

plot 'pdratio' using 1:2:(abs($1)>0.3?$4:1/0) with p ps 0.75 pt 4 palette

Gnuplot automatically chooses the data range for the palette to map out color, which can be different from case to case. Is there a way to ask gnuplot to map out colors for the same data range consistently across different cases?

Something like set palette maxcolor 100 would not be adequate for my purposes.

  • you guys seem to have a lot of time dealing with these formatting/wording details, which is good for people to catch the questions quick. I had got a solution, can I answer my own question? – bsmile May 4 '17 at 18:47
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Try using cbrange

The set cbrange command sets the range of values which are colored using the current palette docs_4.2

set cbrange [min:max] 

An example of its use can be found on SO

set palette defined (-1 "red", 0 "white", 1 "blue)
ub = 1
lb = -ub
set cbrange [lb:ub]
  • Your supposed to write reasonably explaining answers... And unless you have a picture you most likely have failed also... But maybe not in this case. – joojaa May 4 '17 at 18:53
  • what about a self-explaining answer like the one I just posted? – bsmile May 4 '17 at 19:06
  • Its rarely self explaining if its just a sentence. But again this may be a exception. altough you can introduce your onneliner in more than 0 letters. – joojaa May 4 '17 at 19:18

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