I saw that too in the Demo. If you edit the four.tga you'll see it is the blend map for the cracked earth. In the places you noticed a sharp transition on the terrain, you'll see that the edges are very sharp on the blend map. I just did a Gausian blur in PSP, saved it, and the harsh edges went away.
b. rgds.
T
"That which does not kill us, makes us stranger.
Are you sure you don't you mean stronger?
Yes. Quite sure."
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A6 Commercial Ver 6.5