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I am having a bunch of .csv files containing "x" and "y" of some locations (to be specific, Brazil and the coordinate system is SIRGAS 2000). I want to convert them into wgs84 i.e, lat/long using arcpy and rewrite the .csv files having lat/longs to corresponding "x" and"y" using python. Can anyone please help me doing that?

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Here is one option to create the arcpy code:

  1. Create a ModelBuilder model
  2. Add/connect Make XY Event Layer -> Feature Class to Feature Class -> Project -> Add XY Coordinates -> Copy Rows tools, and define all parameters and run model. This will convert your .csv table to a layer that you can re-project and add new x/y field with the 4326 coord values
  3. Finally, in the model export out python script, Model (menu) -> Export -> To Python Script...

This will produce the related arcpy/python script which you may use and tweek as needed.

  • I have a doubt...does this Project take .csv files directly?? – Nil Mar 17 '16 at 7:05
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    @Nil, updated my answers to handle initial .csv data. – artwork21 Mar 17 '16 at 11:51

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