[SciPy-Dev] Is imresize() defined twice in scipy.misc.pilutil.py

[Warren Weckesser]

Vincent Davis wrote:
> Is imresize defined twice in  scipy.misc.pilutil.py or am i missing something?
>   


Yup, and they were both added by travo about eight years ago (r521 and 
r545).  Hey Travis, what's up with that?

Warren


> Thanks
> Vincent
>
> Below is a separate issue maybe related to the above.
> According to the docs
> size : int, float or tuple
>
>         * int - Percentage of current size.
>         * float - Fraction of current size.
>         * tuple - Size of the output image.
>
> an integer should work.
> Just wonder if someone can confirm this
>
>   
>>>> from scipy.misc.pilutil import imresize
>>>> x = np.random.randn(3,3)
>>>> imresize(x, 2)
>>>>         
> Traceback (most recent call last):
>   File "/Applications/WingIDE.app/Contents/MacOS/src/debug/tserver/_sandbox.py",
> line 1, in <module>
>     # Used internally for debug sandbox under external interpreter
>   File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/scipy/misc/pilutil.py",
> line 316, in imresize
>     imnew = im.resize(size)
>   File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/PIL/Image.py",
> line 1302, in resize
>     im = self.im.resize(size, resample)
> TypeError: must be 2-item sequence, not float
>   
>>>> imresize(x, 2.0)
>>>>         
> array([[255, 255, 252, 252, 171, 171],
>        [255, 255, 252, 252, 171, 171],
>        [163, 163,   0,   0, 185, 185],
>        [163, 163,   0,   0, 185, 185],
>        [255, 255, 223, 223, 167, 167],
>        [255, 255, 223, 223, 167, 167]], dtype=uint8)
>   
>>>> imresize(x, (5,4))
>>>>         
> array([[255, 255, 252, 171],
>        [255, 255, 252, 171],
>        [163, 163,   0, 185],
>        [163, 163,   0, 185],
>        [255, 255, 223, 167]], dtype=uint8)
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