For general kriging interpolation, please look at this wiki page.
For advanced variogram settings, please look at this wiki page.
First time auto fit runs and show Variogram Editor.
Press Advanced… to access the Advanced Variogram Settings.
Change the settings needed. Make sure the settings are correct in the blue highlighted line and the variogram is updated. Press bottom “update Variogram” to update after editing.
Optional: Use “Export…” to export settings to xml file (Import again using Import…)
Example of xml file:
Now finish the interpolation wizard.
GSLib now runs and the interpolation is done:
Interpolated surface: