Smooth (Horizon)

Use the Smooth operation to smooth a horizon. The operation performs a moving average across the surface, with settings to allow weighting in a specific direction.

This operation does not smooth across gaps; a point is only affected by adjacent neighbours.

Note: The Smooth button is disabled if the input horizon is waiting for another operation (such as propagation). Insight notifies you to complete the previous operation before continuing.

Where is the smooth (horizon) operation?

Smoothing is found in the Map View, under the Operations tab (along with other horizon operations).

  1. Open the Map View.
  2. Expand the left panel and open the Operations tab.
  3. At Operation, select Smooth.

Tip: Click the Help icon to read more information about this operation.

Configure Smoothing

  1. In the navigation bar, select the horizon to smooth.
  2. (For 2D) Radius: Enter a radius. Increasing either radius will increase the amount of smoothing.
  3. Strike and Dip radius: Enter smoothing distances. Use different strike and dip values for elliptical smoothing.
  4. Direction (degrees): The azimuth of the strike axis, in degrees (clockwise from North). This has no effect if strike and dip radius are the same.
  5. Area:  limit the the smoothing to the specified polygon/probe (if selected)
  6. Faults (check box): If enabled, smoothing will stop when it reaches a fault(s).
    • Insight honours any enabled faults in the Control Panel. Unassigned fault sticks are not used.
  7. Fault Polygon: Smoothing will not extend through fault polygons (if selected).
  8. Click Smooth to start the operation.

Note: 2D horizons can only be smoothed if they have CMP data.

Completing the operation

After running the operation:

  • Click Discard to cancel this calculation and delete the results.
  • Click Replace this horizon to save this horizon containing the extracted values and replace the previous one.
  • Click Save as New Horizon to create a new horizon.

Following is an example of horizon smoothing:

Note: By default, the new horizon will be named: “horizon_name (smooth strike radius x dip radius)”.  For example, the operation above will yield a new horizon called "Sample (smooth 100 x 100 m)". To rename the horizon, see Horizon Details and Configuration.