Hi Philipp,
I checked your example map with and without my nonlinear scale. In both
cases, I receive a reddish color map, there appears to be no variation
at all. However, the nonlinear scale changes the tick labels as it ought
to be.
As soon as I modify your colors in a random way, I see the difference.
I conclude that
a) it is unrelated to my suggested nonlinearly scaled colormap style and
b) your colormap simply consists of colors which are so similar that you
cannot distinguish one from the other.
Note that my style which changes the way how point meta is computed and
the tick labels are displayed is entirely unrelated to the actual colormap.
I suggest to modify the map.
Kind regards
Christian
Am 21.03.2014 10:01, schrieb Philipp A.:
> hmm, it doesn’t seem to work with my custom colormap.
>
> speaking of which, it only shows something at all when using the most
> explicit syntax and rgb. doing something like the following breaks:
>
> \pgfplotsset{colormap={spectral}{rgb255=(158,1,66) rgb255=(160,3,66)
> rgb255=(162,5,67) rgb255=(164,8,67) rgb255=(166,10,68)
> rgb255=(168,12,68) rgb255=(170,15,69) rgb255=(173,17,69)
> rgb255=(175,20,70) rgb255=(177,22,70) rgb255=(179,24,71)}}
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