Geom到简单json
我在postgres数据库中有geom。当我使用这个查询时Geom到简单json,json,postgresql,postgis,Json,Postgresql,Postgis,我在postgres数据库中有geom。当我使用这个查询时 SELECT ST_AsGeoJSON(st_simplify(geom,0.01))::json As geometry FROM tbl_tehsils 结果表明: "{"type":"MultiPolygon","coordinates":[[[[72.3847874560001,33.4222288170001],[72.4486151570001,33.390380325], (...)" 而我喜欢创建结果作为
SELECT ST_AsGeoJSON(st_simplify(geom,0.01))::json As geometry FROM tbl_tehsils
结果表明:
"{"type":"MultiPolygon","coordinates":[[[[72.3847874560001,33.4222288170001],[72.4486151570001,33.390380325], (...)"
而我喜欢创建结果作为
[[31.7143740770001,74.6556250200001],[31.256258297,74.244557296]]
我正在使用postgres(postgis)。您可以像这样提取坐标
select ST_AsGeoJSON(st_simplify(geom,0.01))::json->>'coordinates' from tbl_tehsils ;
你可以像这样提取坐标
select ST_AsGeoJSON(st_simplify(geom,0.01))::json->>'coordinates' from tbl_tehsils ;