2017-11-25 360 views
0

我将获得多边形几何作为显示第一个经度,纬度的文本...我创建GeoJSON并在小册子上绘图...但传单标准的第一个纬度然后是经度。我正在使用PostGIS如何改变多边形...如果我有点几何,这很容易我可以改变st_x,st_y点....但是我想改变到多边形的整体边界,我的创建goem是将纬度替换为经度

[[72.96699,31.96872],[72.9679,31.9669]] 

,同时我想作为

[[31.96872,72.96699],[31.9669,72.9679]]  

整体我查询转换为

(SELECT row_to_json(fc) 
    FROM (SELECT 'FeatureCollection' As type, array_to_json(array_agg(f)) As features 
    FROM (SELECT 'Feature' As type 
     , st_asgeojson(lg.geom , 5 ,0)::json As geometry 
     , row_to_json((SELECT l FROM (SELECT id, distt_name) As l 
     )) As properties 
    FROM (SELECT gid as id, distt_name , geom FROM tbl_districts 
     where distt_name like '%') As lg) As f) 
    As fc) 

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