On Saturday, 29 January 2005 15:10, Christian Mayer wrote: > For normal photographs that's great - for textures that get scaled, > projected, sheared (sp?), lit, ... the uses assumptions dodn't hold > anymore. > > An extreme example: when you use a very high compression rate you'll see > the blocking artefacts. So you use a not so high compression and are > hapy with the result. If you zoom into the picture you'll start to see > the blocking again as the pixels got large enough. > When you use that picture as an texture and fly low enough you are > basically zooming into the "picture". Same problem as above. > > So JPEG isn't usefull.
Who said we have to use high compression levels? A JPEG with 95% quality does not display ANY blocking artifacts whatsoever yet is still 1/4 the size of a compressed PNG. Even when viewed at 1600% i could still not spot any blocking or banding. Paul _______________________________________________ Flightgear-devel mailing list Flightgear-devel@flightgear.org http://mail.flightgear.org/mailman/listinfo/flightgear-devel 2f585eeea02e2c79d7b1d8c4963bae2d
