Changes between Version 73 and Version 74 of WKTRaster/SpecificationWorking03
- Timestamp:
- 04/29/11 10:47:59 (14 years ago)
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WKTRaster/SpecificationWorking03
v73 v74 149 149 The functions are: 150 150 151 1. ST_ApproxMinMax(rast raster, nband int, ignore_nodata boolean, sample double precision) -> record152 153 sample : a value between 0 and 1 indicating the percentage of the raster band's pixels to consider when determining the min/max pair.151 1. ST_ApproxMinMax(rast raster, nband int, ignore_nodata boolean, sample_percent double precision) -> record 152 153 sample_percent: a value between 0 and 1 indicating the percentage of the raster band's pixels to consider when determining the min/max pair. 154 154 155 155 {{{ … … 159 159 }}} 160 160 161 2. ST_ApproxMinMax(rast raster, ignore_nodata boolean, sample double precision) -> record161 2. ST_ApproxMinMax(rast raster, ignore_nodata boolean, sample_percent double precision) -> record 162 162 163 163 assumes that nband = 1 … … 169 169 }}} 170 170 171 3. ST_ApproxMinMax(rast raster, sample double precision) -> record171 3. ST_ApproxMinMax(rast raster, sample_percent double precision) -> record 172 172 173 173 assumes that nband = 1 and ignore_nodata = TRUE … … 179 179 4. ST_ApproxMinMax(rast raster) -> record 180 180 181 assumes that nband = 1, ignore_nodata = TRUE and sample = 0.1181 assumes that nband = 1, ignore_nodata = TRUE and sample_percent = 0.1 182 182 183 183 {{{