-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 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. >> >>-Fred > > > 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. CU, Christian -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (MingW32) Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org iD8DBQFB+9KelhWtxOxWNFcRAtgQAKCAT7HN4HeupuKrKdu0U9b6a++oMQCgj0kf HYSTy3j8bK6+nq849z0VEoI= =yHvY -----END PGP SIGNATURE----- _______________________________________________ Flightgear-devel mailing list Flightgear-devel@flightgear.org http://mail.flightgear.org/mailman/listinfo/flightgear-devel 2f585eeea02e2c79d7b1d8c4963bae2d