Changes between Version 8 and Version 9 of WKTRaster/SpecificationWorking02


Ignore:
Timestamp:
08/04/10 09:09:24 (14 years ago)
Author:
pracine
Comment:

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  • WKTRaster/SpecificationWorking02

    v8 v9  
    4242'''ST_Accum(raster set|geometry set, ‘raster’|’geometry’) -> raster/geometry'''
    4343
     44----
     45== '''Objective B02e - Being able to create on the fly and get data from registered (out-db) raster.''' ==
     46 
     47
     48'''Mostly change to Core API functions rt_band_get_data using GDAL to read from external raster.'''[[BR]]
     49'''Add a ST_AddBand() SQL function '''[[BR]]
     50Allow then to create, in SQL, a new out-db raster and to load it into the database:
     51
     52CREATE TABLE newIndbRastTable AS SELECT ST_AddBand(ST_NewRasterFromFile("c:/temp/myraster.tif"), "c:/temp/myraster.tif");
     53
     54and to tile it in a new table using a new easy to implement pl/PgSQL function using ST_Clip.