On 11/9/06, Eric Firing <[EMAIL PROTECTED]> wrote:
Tom,
This is a bug. It looks like I completely forgot about handling alpha
when I rewrote the colorbar code. I will try to get it fixed in the
next few days. Thanks for the report.
Eric
Tom Denniston wrote:
> When I use contourf with an alpha argument and the "hot" color scheme.
> The alpha causes the colors to come out lighter but the colorbar does
> not adjust accordingly. Is this a bug or do I simply need to adjust the
> colorbar in some manner?
>
>
>
> Below is an adaptation of pcolor.py from the screenshots page and
> attached is the output I see.
>
> I am using matplotlib 0.87.7:
>
> In [3]: matplotlib.__version__
> Out[3]: '0.87.7'
>
> --------------------------------------------------
>
>
>
>
> from __future__ import division
> from pylab import *
>
> def func3(x,y):
> return (1- x/2 + x**5 + y**3)*exp(-x**2-y**2)
>
> dx, dy = 0.025, 0.025
> x = arange(-3.0, 3.0 , dx)
> y = arange(-3.0, 3.0, dy)
> X,Y = meshgrid(x, y)
>
> Z = func3(X, Y)
>
>
> cset = contourf(Z, arange(-1.2,1.6,0.5),
> origin='lower',
> extent=(-3,3,-3,3), alpha=.5
> )
>
>
> axis('off')
> hot()
> colorbar()
> title('Some like it hot')
> show('example')
>
>
> ------------------------------------------------------------------------
>
>
> ------------------------------------------------------------------------
>
> -------------------------------------------------------------------------
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