On Fri, Jun 5, 2015 at 9:17 AM, Jody Klymak <jkly...@uvic.ca> wrote: > > > Anyways, I guess I am advocating trying to find a colormap with a very > obvious central hue to represent zero. Anomaly data sets are *very* > common, so having a default colormap that doesn’t do something reasonable > with them may be a turn off to new users. > > Personally, I disagree. I think that sequential colormaps make better defaults b/c then the software isn't making an assumptions about the central tendency of your data.
You raise a good point though. Perhaps a compromise is to make "sequential" and "diverging" valid arguments to any function that takes "cmap" and falls back to the default colormap and e.g. "coolwarm", respectively.
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