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Dave Martin schrieb:
> On Saturday 29 Jan 2005 17:39, Frederic Bouvier wrote:
>>>Has anyone actually looked at how much of the base package is
>>>taken up by SGI+ format image files? (Which have absolutely
>>>abysmal compression ratios, but that's a different argument.) I
>>>wrote a quick script at one point to recursively convert all
>>>these to default-quality JPEGs, and the savings was staggering.
>>>Something like a 75% reduction.
>>It is still true that JPEG have no alpha channel, so not all textures
>>could be converted.
> So on the same merit, how about PNG?
> On average you get about 1/3 the size of the SGI file while still being
> loss-less and keeping the alpha channel.
PNG are fine (and should be our first choice as they are perfect for
most of our textures) - but they aren't lossy.
So you'll never get as good results as JPEG / JPEG2000 / ... will give you.
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