Number of colors in an image

[Tim Hoffman]

Have a look at the histogram function of PIL


Tim
Laszlo Zsolt Nagy wrote:
> Hello David,
> 
> Friday, November 26, 2004, 11:18:04 PM, you wrote:
> 
> 
> 
>>For example, for an RGB image:
> 
> 
>>    import sys
>>    from PIL import Image
>>    from itertools import izip, repeat
> 
> 
>>    if __name__ == "__main__":
> 
> 
>>        im = Image.open(sys.argv[1])
>>        r = im.getdata(0)
>>        g = im.getdata(1)
>>        b = im.getdata(2)
>>        print 'Number of colors =', len(colors)
> 
> 
> Thank you, this was very helpful. I'll try to use this one instead of
> ImageMagick. (The identify program does not work in some cases...)
>