Re: [Matplotlib-users] trouble switching off smoothing in imshow()

[Warren W. <war...@en...>]

On Tue, Oct 9, 2012 at 10:11 AM, Anand Sivaramakrishnan <an...@st...>wrote:

>  I ask having trouble getting imshow to plot e.g. a detector image
> showing pixels as little rectangular or square uniform color blocks -
> imshow seems to want to interpolate or smooth the image.
> Using imshow("nearest") still produces a 'soft' image.
>


That's strange.  `imshow(img, interpolation='nearest')` works for me.

Warren



>
>  I have solved this problem earlier using figimage(), but that was a lot
> of work (I had to create a pixel-by-pixel array with all greyscale values
> set myself, and then I was working in pixel coordinates rather than my data
> coordinates).  Has anyone figured out how to get imshow to stop smoothing
> the image?  Using imshow(… interpolation='none'…) or imshow(…
> interpolation=None…) raise exceptions.
>
>  I found NonUniformImage too hard to figure out from the documentation.
>
>
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