merge two png pic

[Terry Reedy]

cocobear wrote:
> On Jul 29, 9:20 am, cocobear <cocobear... at gmail.com> wrote:
>> Thistwopngfile has their own palette
>>
>>>>> im1.mode
>> 'P'
>>>>> im.mode
>> 'P'
>>>>> im.getpalette == im1.getpalette
>> False
>>
>> I can use this code tomergetwopngpictogether:
>>
>> Map = Image.new("RGB", (x,y))
>> Map.paste(im, box)
>> Map.paste(im1,box)
>>
>> Map = Map.convert("L", optimize=True, palette=Image.ADAPTIVE)
>>
>> But if thetwopngpicis too big , or if I have tomergemorepic
>> together, I will get MemoryError:
>>
>>>>> Image.new("RGB",(44544,38656))
>> Traceback (most recent call last):
>>   File "<stdin>", line 1, in <module>
>>   File "/usr/lib/python2.5/site-packages/PIL/Image.py", line 1710, in
>> new
>>     return Image()._new(core.fill(mode, size, color))
>> MemoryError
>>
>> How can I directlymergetwopicto a ‘P' modepngwith palette.
> 
> 
> Nobody replied.

A. Leavingoutspacesmakesyourposthardtoread.

B. Nobody knows how to avoid mem error.

tjr