> Exact. There are lots of things that we could include/discuss in WKB for > raster like:
Great. But I also specifically meant if the way of binary encoding is stable? That's probably important for those application which read/write WKB with their own means i.a. without PostGIS libraries. -S. 2010/10/22 Pierre Racine <pierre.rac...@sbf.ulaval.ca>: >>> As I said: no. They are not specified in public. I wish there would have >>> been a public spec to tell >>me how to store raster but there is not. >> >>I'd like to understand and support this better: >> >>1. You write "They are not specified in public.": But now they are at >>least in the sense of "PostGIS WKB", aren't they? >>Now there is the PostGIS documentation >>(http://trac.osgeo.org/postgis/wiki/WKTRaster/Documentation01) as well >>as the source code publicly available. > > Ok. Yes in this sence they are public. But they are in no way issued by a > standardisation organism. > >>2. Wen you say "I wish there would have been a public spec to tell me >>how": Do you mean that there code/encoding gives still much room fore >>enhancements? This would be an opportunity to be discussed but it also >>would mean that "PostGIS WKB" would'nt be stable. > > Exact. There are lots of things that we could include/discuss in WKB for > raster like: > > -I plan to add soon a flag to say if a band is only no data value. > -Band's stats. Mean, max, min and maybe histogram. > -More than one nodata value per band. > -Band's name so we can refer to them by a name instead of by a number. > -Color scheme descriptor. > -Adding a table of nominal values. A kind of generalization of what is a > color table but able to store nominal values as well. > > Etc... > > Pierre > > _______________________________________________ > postgis-users mailing list > postgis-users@postgis.refractions.net > http://postgis.refractions.net/mailman/listinfo/postgis-users > _______________________________________________ postgis-users mailing list postgis-users@postgis.refractions.net http://postgis.refractions.net/mailman/listinfo/postgis-users