Hi all,

attached is an updated land test for my landscape generator. This one took 4
hours 33 min to render on a P4 1.8. I haven't updated the clouds yet as I'm
still working on a set of good density definitions for high, mid and low
altitude clouds. However I thought I'd post this image as it shows two new
features, moons and rocks.

As others have guessed the land form is a height field. It's a function
image based height field. To speed up the parsing times the height field is
tiled with diminishing resolution as each tile gets further away from the
camera. Another algorithm controls the number of tiles so that they are only
generated if part of the tile falls within the viewing plane.

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Attachments:
Download 'land2.jpg' (117 KB)

Preview of image 'land2.jpg'