[messages] [Module Design] Issues with map size - lag/heap problems

Joel Uckelman uckelman at nomic.net
Fri Jun 24 19:45:11 CEST 2016


Thus spake DrNostromo:
> I can tell you what I have learned from my own personal experiences so
> my equipment may have some bearing on whether this works for others or
> not.
> 
> I have also used some very large maps. I've personally found that large
> .JPG's are much more likely to crash Vassal than large .PNG's ...even
> when .PNG graphic was larger in size than the .JPG graphic. Go figure.

JPEGs can in some cases require more memory when decoding.

> Also, if there's no transparency involved, convert your .PNG's from 24
> bit down to 8 bit. This usually reduces the file size significantly and
> the quality loss isn't significant enough to really matter.

I strongly recommend against this. While it will reduce file size and
image quality, I won't make any difference for the amount of memory the
images use when loaded. All you'll be doing is wasting your time to
make the images look worse.
 
-- 
J.


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