Re: [Matplotlib-users] images from data

[Andrew S. <str...@as...>]

If you data is regularly spaced, you can just use imshow or pcolor. If
it's not regularaly spaced, see
http://www.scipy.org/Wiki/Cookbook/Matplotlib/Gridding_irregularly_spaced_data

Michael V. De Palatis wrote:

>Hi all,
>
>I am trying to use imshow to plot an image from some data. Basically,
>I have a list of x, y, and z values, and I want to plot z as a
>function of x and y.
>
>Unfortunately, most of the  examples do this as far as I can
>tell. Instead, they (at most) take a list of x and y then make a
>*function* z out of that, and plot z, rather than having actual data
>from a file for all three.
>
>The only one that does seem to do something like this seems to be
>dependent on a binary file, which unfortunately is not the format I
>have the data in. Sure, I could convert the very large files I already
>have into binary, but in the long run, I think it would be better for
>me to be able to simply use the ASCII data that I am provided with
>since that can't be changed.
>
>Is there an easy way to do this, or will I just have to convert the
>files?
>
>Thanks,
>
>Mike
>
>
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