PIL question about crop method

[Gary Herron]

John Salerno wrote:

>John Salerno wrote:
>  
>
>>Diez B. Roggisch wrote:
>>
>>    
>>
>>>Alternatively you can see it as boundary lines, in the order left, 
>>>top, right, bottom.
>>>
>>>(10, 20, 30, 100)
>>>      
>>>
>>So in the above, from where are the numbers being counted? 10 is ten 
>>pixels from the left border of the image? 20 is twenty pixels from the 
>>top border? But is 30 thirty pixels from the left or the right border of 
>>the image? And is 100 one hundred pixels from the top or bottom?
>>    
>>
>
>I came up with this, is it correct:
>
>(a,b)               (c,b)
>     -----------------
>     |               |
>     |               |
>     -----------------
>(a,d)               (c,d)
>
>
>So the tuple would be (a, b, c, d)?
>  
>
That look right.

But why be so cautious? Try it and see if it works. (I believe it will 
-- but if not -- try again.)

Gary Herron