Hi,
I've been following the discussions about the new default colormaps.
I think it might be really helpful if the default behaviour were that
matplotlib simply examined your data (Z, say), and if
(1) Z.max() & Z.min() had the same sign then used a sequential colormap
whereas if
(2) Z.max() & Z.min() had opposite signs then it used a diverging colormap,
centered on zero.
Keywords e.g. Anomaly=True & centre = 10. could be extra arguments to
override this behaviour.
I realise that
a) this really only requires a user to write a simple helper application.
But 99% of users will never do this.
b) it may not always be desired; but again 99% of the time it probably is.
This would enable people just starting to use matplotlib perhaps to see
that it can give 'better' plots than matlab
Anyway, just a thought.
George Nurser.
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