John,
I agree with Michael. JPEG2000 as a distribution format is
going to be problematic for many users. TIFF+JPEG is
pretty universal. I would add that YCbCr mode jpeg imagery
in TIFF can be quite a bit better quality for size than RGB
imagery. In some cases special writing options are neede
Well, you've covered most of the tradeoffs - proprietary/open, general
availability, etc. At the end of the day, it's hard to beat compressed
TIFFs. (lzw-compressed TIFFs are nice too - maybe a bit less supported than
jpeg-compressed, but no quality loss)
-mpg
From: discuss-boun...@lis
I'm looking for advice on sharing raster data for download. We distribute
several raster datasets such as DEMs and orthophotography. Sometimes these
are divided into rectangular tiles, sometimes by geography/boundaries. Most
of our audience has some level of GIS or CAD experience. We also have W