Hi everyone, I'm brand new to Terragen and am slowly working my way through the Wiki tutorials. I have a project with multiple terrain and shader layers that I have been experimenting with. Here's the scene in flat daylight, fast render:
I was mucking about with the lighting when this happened:
As you can see, the sun is shining through the mountain.
Is this a known problem, or is it something I've done wrong? I attach the tgd file.