Re: [Matplotlib-users] imshow() and a transparent colormap?

[Nicolas B. <nbi...@gm...>]

On Fri, Oct 1, 2010 at 5:38 PM, Stan West <sta...@nr...> wrote:

>  *From:* Nicolas Bigaouette [mailto:nbi...@gm...]
> *Sent:* Thursday, September 30, 2010 18:00
>
> What I would like to do it have a colormap which is transparent for lower
> values of data and opaque for high values, so the blue on the figure would
> appear white/transparent.
>
> Would it suffice for the colormap to be light or white for low values but
> still opaque? There are several built-in maps [1] with a light color at one
> end; if it's light at the high end, append "_r" to the colormap name to get
> the reversed version.
>
> [1]
> http://matplotlib.sourceforge.net/examples/pylab_examples/show_colormaps.html
>
I guess it's the best solution for now. Thanks ;)