[reportlab-users] ValueError: no memory after 4GB

[Tim Roberts]

Shaw, Theodore wrote:
>
> I'm trying to convert an SVG to a BMP that's about 100,000 pixels by 
> 100,000 pixels. My code looks like
> ...
> By attempting this conversion with progressively larger files and 
> monitoring the memory usage, I've found that the issue occurs when the 
> memory consumption exceeds about 4GB. I've checked that I'm using a 64 
> bit version of Python and have been able to create large arrays that 
> consume up to 64GB of memory (my total amount of RAM), so it seems 
> like the issue is specific to reportlab.

No, it's actually an issue in Windows.  The Windows GDI BMP engine 
cannot handle bitmaps with coordinates larger than 15 bits (32767).

-- 
Tim Roberts, timr at probo.com
Providenza & Boekelheide, Inc.


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