Changes between Version 28 and Version 29 of WKTRaster/Documentation01
- Timestamp:
- 12/09/09 12:16:05 (15 years ago)
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WKTRaster/Documentation01
v28 v29 195 195 Like the PostGIS "geometry" type, the PostGIS WKT "raster" type is a new PostgreSQL type. This means each raster or raster tile is stored as a row of data in a PostgreSQL database table. It is a complex type, embedding information about the raster itself (width, height, number of bands, pixeltype for each band and nodata value for each band) along with its geolocalisation (pixelsize, upper left pixel center, rotation and SRID). 196 196 197 === '''3.1.1 - PostGIS WKT Raster Rationale''' === 197 '''3.1.1 - PostGIS WKT Raster Rationale''' 198 198 199 199 WKT Raster was designed with many objectives, to accommodate a myriad of dataset structures and a diversity of applications: