How do I set the coordinate system for a data file in Surfer so it is remembered?

The coordinate system information for a data file can be set and saved in Surfer's worksheet.  This process creates an external spatial referencing file (GSR2) that is read automatically each time the file is used to create a map in Surfer.  Complete the steps below to set the coordinate system for a data file:
  1. Click File | Open, select your data file, and click Open to open the file in Surfer's worksheet.
  2. Click Data | Coordinate System | Assign Coordinate System.
  3. In the Assign Coordinate System dialog, navigate to the appropriate coordinate system (e.g. Predefined | Projected Systems | UTM | North America | North America NAD83 zone 10N).
  4. Click OK.

Please note that in order for the data file to be linked to the external spatial reference file, they both need to be in the same folder. If the data file is moved and the GSR2 file is not, the spatial referencing will no longer be linked to the data file.


Updated October 31, 2018

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