Changes between Version 7 and Version 8 of WKTRaster/Documentation01


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Timestamp:
Apr 16, 2009, 11:14:23 AM (15 years ago)
Author:
pracine
Comment:

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  • WKTRaster/Documentation01

    v7 v8  
    2020  * one table with a column of type raster = one raster coverage (like a one table PostGIS vector coverage)
    2121  * one table row with a column of type raster = one tile (like a one row PostGIS vector geometry feature)
    22   * each tile has: a pixel size, a width and a height, a georeference, a certain number of band, a pixeltype per band and a nodata value per band; everything essential to do basic GIS raster operations.
     22  * each raster tile has: a pixel size, a width and a height, a georeference, a variable number of band, a pixeltype per band and a nodata value per band; everything essential to do basic GIS raster operations.
    2323
    2424'''...is an extension of PostGIS to be installed separately...'''