I cannot get the contourf extended color map ranges to show up in the
plot.
the extend option of contourf states:
extend = 'neither', 'both', 'min', 'max'
Unless this is 'neither' (default), contour levels are
automatically added to one or both ends of the range so that
all data are included. These added ranges are then
mapped to the special colormap values which default to
the ends of the colormap range, but can be set via
Colormap.set_under() and Colormap.set_over() methods
The code at the of this message produces a plot with color bar
extensions that are the end colors of the bone colormap and not red
and green. The colorMap._rgba_over value is red and the
colorMap._rgba_under value is green, but this is not reflected in the
plot.
Any idea what I am doing wrong?
I am using matplotlib 0.91.1
--Jim
figure()
colorMap = cm.bone
colorMap.set_over('r')
colorMap.set_under('g')
CS = contourf(X, Y, Z, 10,cmap=colorMap,origin=origin, extend = 'both')
cbar = colorbar(CS)
savefig('contourf_demo1')
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