[ka-Map-users] How to change coords from projected to lat-longs using postgis

[CHUNRIMACHUNRIMA]

Folks, 


I am using Ka-explorer !

When I draw a map, always projected coordinate system (e.g. x:-3815289.61 y:496358.07) is shown.

I really want to show lat-longs coordinate system (e.g. x: -122, y: 42), instead. 


Like these websites at: 

http://clima.ominiverdi.org/ka-map/htdocs/
http://zadeh.ugent.be/rwanda/

Is there any easy way to show geographic coordinate system using Postgis or simply data connection?


I looked up kaMouseTracker.js to figure out a possible way, but no luck. 


I also created new map file based on MapServer help at http://mapserver.gis.umn.edu/docs/reference/mapfile/projection/?searchterm=projection, but no success.


Sure, I defined projection in the map file like below, but doesn't show geographic coords. 

PROJECTION

  "proj=latlong"

  "ellps=WGS84"

  "datum=WGS84"

END



If any of you has experienced and resolved this issue, please let me know. 


Thanks, 


Jae






 
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