How do I create "fake" source and receiver headers from offset values?

Use the following approach to calculate artificial source and receiver headers that are consistent with the trace offset value.

  1. Create a Header Maths process.
  2. Select the gathers volume.
  3. Click the "+" button in the Formulae section to add a formula.

For offset values in the same units as the X/Y coordinates (i.e. metres to metres, feet to feet), use:

 

A unit conversion can also be applied. For offset values in feet and X/Y coordinates in metres, use: