Changes between Version 91 and Version 92 of WKTRaster/SpecificationWorking03


Ignore:
Timestamp:
05/26/11 14:10:44 (14 years ago)
Author:
dustymugs
Comment:

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  • WKTRaster/SpecificationWorking03

    v91 v92  
    25362536ST_Histogram and ST_ApproxHistogram provide methods to determine a raster's data distribution.
    25372537
    2538 The return of ST_Histogram and ST_ApproxHistogram is a set of records where each record is (min, max, count, proportion).
     2538The return of ST_Histogram and ST_ApproxHistogram is a set of records where each record is (min, max, count, percent).
    25392539
    25402540ST_Histogram has the following variations.
    … …  
    254225421. ST_Histogram(rast raster, nband int, hasnodata boolean, bins int, width double precision[], right boolean) -> set of records
    25432543
    2544   returns set of records of four columns (min, max, count, proportion)
     2544  returns set of records of four columns (min, max, count, percent)
    25452545
    25462546  nband: index of band to process on