Changes between Version 52 and Version 53 of WKTRaster/Documentation01


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Timestamp:
12/10/09 10:59:13 (15 years ago)
Author:
pracine
Comment:

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  • WKTRaster/Documentation01

    v52 v53  
    237237 * '''A single table relational schema –''' Similarly, in PostGIS WKT Raster there is not one table for storing the raster data (like Oracle Spatial SDO_RASTER) and another table for storing the georeference and the metadata (like Oracle Spatial SDO_GEORASTER). Everything is stored in a single raster attribute, and raster attributes composing a table are not necessarily related to each other to form a significant coverage.
    238238
    239 These choices make the PostGIS raster structure very similar to the existing PostGIS vector structure in which a layer can be geometrically topological or not, depending on the user data and their choice of application.
     239These choices make the PostGIS raster structure very similar to the existing PostGIS vector structure in which a layer can be geometrically topological or not, depending on the user data and their choices of application.
    240240
    241241This also means, contrary to most raster formats, that raster attributes from the same table: