Topic:
How to Surface Cut a grid back to a new horizon. 

Description:
After gridding a horizon in Basemap Plus on a 3d survey, how do I copy the 
horizon grid back to a IESX horizon to be viewed in Seis3DV/2DV.

Solution:
1. Post and grid Horizon. 
 
2. Basemap Plus > Gridding > Save as... > Create new surface... > 
    - Select Name box, type in horizon name under Surface Information.
    - Select Type box and toggle under New Sufaces "Type" to Seismic horizon.
    - Select Color box and select color palette icon, select color.
    - Source and Description are optional. If source is not specified,
      GFDM (GeoFrame Data Manager) will be inserted.
    - Select Apply, then OK.
 
3. Still in Basemap Plus > Save As > 
    - Type in Grid name and description (optional).
    - Select new Output surface, then select OK.
 
4.  Data Manager > Interpretation > Surface...
    - Select survey in Define area.
    - Select surface (select new surface name from step 2).
    - Toggle Transfer mode to Surface grid => Horizon attribute.
    - Select Grid (select new grid name from step 3).
    - Type in attribute name (TIME)<<< has to be uppercase or will not work!
    - Select OK.
NOTE: In GeoFrame 3.5 and beyond, the time attribute must be named Z. 

Horizon is ready to be displayed in Seis2DV/3DV.




Last Modified on: 06-JUN-00