Topic:
How to create a composite amplitude grid, and honor data without filling holes? 

Description:
Create a composite amplitude map without smoothing the data or infilling blank areas.

Solution:
1.) Convert Horizon Attribute to Surface Grid:
    a.) IESX Data Manager > Interpretation > Surface
    b.) Select survey and surface
    c.) Toggle transfer mode to "Horizon attribute => Surface grid" 
    d.) Select "AMPL" attribute 
    e.) Enter new grid name 
    f.) OK
    g.) Repeat steps a through f for each amplitude event.

2.) Create the composite amplitude grid from the two grids in IESX Basemap:
    a.) Gridding > Grid Operations > Binary
    b.) Select Grid 1 (e.g., peak)
    c.) Select Grid 2 (e.g., trough)
    d.) Set the correct grid operator switch (e.g., minus)
    e.) OK.

3.) If satisfied with displayed result, save the resultant grid:
    a.) Gridding > Save As...
    b.) Select an Output surface container for the grid
    c.) Enter Grid Name and Description (optional)
    c.) OK.




Last Modified on: 23-JUN-99