Re: [Matplotlib-users] No color scaling when using plot_surface. Please help

[Jeremy C. <jlc...@gm...>]

On Sun, Jul 4, 2010 at 8:38 PM, Benjamin Root <ben...@ou...> wrote:
> Jeremy,
>
> The pcolor function can take a vmin and a vmax parameter if you wish to
> control the colorscaling.  In addition, you can use a special array
> structure called a "masked array" to have pcolor ignore "special" values.
> Assuming your data is 'vals':
>
> vals_masked = numpy.ma.masked_array(vals, vals == 0.0)
>
> Note that depending on your situation, doing an equality with with a
> floating point  value probably isn't very reliable, so be sure to test and
> modify to suit your needs.  'vals_masked' can then be passed to pcolor
> instead of vals.

Yes, I think this is exactly what I need.  Thanks!

Jeremy