GIMP Script: Thatch

[RobA]

OK -

I discovered what could become another use for this script... making mountain heightfields.

From above (gimp alone):


Rendered in 3D:



I started with a selection filled with a shaped spherical fill:


Then using this pattern I made:


I ran the thatch script with 7 sides, no bumpmap or softlight, merging all layers down. I set the result to multiply, 30%:


cont...

[RobA]

Then using this pattern:


I ran thatch again, setting the result to 30% multiply as well:


And a third time with this pattern:


With one last run of thatch, with the result to 30% multiply:


I think by tweaking the patterns, possibly making them more turbulent or noisier, I could even get closer.

-Rob A>