ST_DeletePyramid

语法

raster ST_deletePyramid(raster source);

参数

描述

删除影像金字塔，重置影像元数据，删除金字塔块数据。

示例

DO $$
declare
    rast raster;
begin
    select raster_obj into rast from raster_table where id = 1;
    rast = ST_deletePyramid(rast);
    update raster_table set raster_obj = rast where id = 1;
end;    
$$ LANGUAGE 'plpgsql';