| 195 | | Like the PostGIS "geometry" type, WKT Raster "raster" type is a new PostgreSQL type. This mean each raster or raster tile is stored as a row of data in a database table. It is a complex type embedding many informations about each raster (width, height, number of band, pixeltype for each band and nodatavalue for each band) and its geolocalisation (pixelsize, upper left pixel center, rotation and SRID). |
| | 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 | |
| | 197 | === '''PostGIS WKT Raster Rationale''' === |
| | 198 | |
| | 199 | WKT Raster was designed with many objectives, to accommodate a myriad of dataset structures and a diversity of applications: |
| | 200 | |
