Fill Grid Dummies Using Spline

This option first examines the grid by rows. It fills "interior" dummy values using an Akima spline. If the row still contains more than "Percent Dummy Cut-off" dummies, it does not fill the edges of the row. If the % dummies in the row is less than or equal to "Percent Dummy Cut-off", it fills the edges of the row with values interpolated linearly from the last value on the left to the first value on the right.

After processing the grid by rows, it goes through the grid by columns using a similar scheme but ignoring the "Percent Dummy Cut-off".

Fill Grid Dummies Using Spline

1. On the GM-SYS 3D Tools menu, select Manual FFT Preparation.

2. Select Fill Grid Dummies using Spline. The Fill Grid Dummies using Spline dialog appears.

3. From the Input Grid File drop-down list, select the input grid file. Alternately, you can browse to the file.

4. In the Output grid file field, specify the output grid file.

5. Enter the Percent Dummy Cut-off. This skips grid rows with more than this % of dummy values on the first pass. The default is 50.

6. Click OK. If the output file already exists, you will be asked to overwrite it. The requested changes are made.