[Image-SIG] get values of known positions on Image

[Christopher Barker]

ioannis syntychakis wrote:
> But I don't want to have the positions, but the pixelvalues where the 
> pixels are above the 200.

there may be a way to do this directly with PIL, but with numpy:

In [13]: a
Out[13]: array([1, 7, 3, 4, 9, 5, 7, 8, 5])

In [14]: a[a > 4]
Out[14]: array([7, 9, 5, 7, 8, 5])

For more details and options, see the numpy docs and/or ask on the numpy 
list.

-CHB


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Christopher Barker, Ph.D.
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