On a side note, can't we get a real bug tracker somewhere?
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I have a selection of grayscale (8bit) tifs in a directory.
In [14]: k = io.ImageCollection("calib/*.tif", True)
In [15]: k[0].dtype
Out[15]: dtype('uint8')
In [16]: k = io.ImageCollection("calib/*.tif", as_grey=True)
In [17]: k[0].dtype
Out[17]: dtype('float32')
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But the docs say:
as_grey : bool, optional
If True, convert the input images to grey-scale. This does not
affect images that are already in a grey-scale format.
Obviously the image data type gets converted though.
Cheers,
Holger