I am pulling a JSON list of features into a web page. The points come as esriMeters and the rest of my app uses Lat/Lng. How can I do this conversion in the browser (javascript)?


If you're executing a query against an ArcGIS service, just set the output spatial reference to the geographic coordinate system of your choice (e.g. 4326 for WGS84). This will give you lat / long.

  • Ha - I swear I had tried requesting several combinations of formats last night but this time it's working. Getting data as needed from arcgis now. – Joe Beuckman Mar 15 '13 at 12:12
  • +1, that's certainly more straightforward :) – blah238 Mar 15 '13 at 19:19

Try the proj4js library (JavaScript port of the PROJ.4 C library).

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