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Define Columns

Use the Define Columns dialog to define the columns in the ASCII  file selected for gridding.     


Required Columns for Gridding an ASCII File

You need to define locations, as well as a Z value, which can be any value including depth or time.

Location Options

  • Latitude and Longitude: The destination zone needs to be defined to use latitude and longitude locations. This can be done from theProject Properties.

  • UTM X and UTM Y: If the X and Y values aren't in the correct coordinate system you can convert the file using the Coordinate Conversion Utility.

Z Value Options

  • Z: All Z values that are not being converted between feet and meters.

  • Z (ft -> m): Convert a depth Z value to meters to feet on import.

  • Z (m -> f): Convert a depth Z value to feet from meters on import.

Grid and Contour Wizard Options

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