獲得柵格對象自訂中繼資料項的名稱列表。
文法
text[] ST_metaItems(raster raster_obj);
text[] ST_metaItems(raster raster_obj,
integer band);參數
| 參數名稱 | 描述 |
| raster_obj | 需要計算的raster對象。 |
| band | 波段序號，取值從0開始。 |
樣本
-- meta data items of a raster
SELECT ST_MetaItems(raster_obj)
FROM raster_table;
st_metaitems
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{latitude#long_name,latitude#units,longitude#long_name,longitude#units,NC_GLOBAL#Conventions,NC_GLOBAL#history,NETCDF_DIM_EXTRA,NETCDF_DIM_time_DEF,NETCDF_DIM_time_VALUES}
-- meta data items of a band
SELECT ST_MetaItems(raster_obj, 0)
FROM raster_table;
st_metaitems
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{add_offset,long_name,missing_value,NETCDF_DIM_time,NETCDF_VARNAME,scale_factor,units,_FillValue}