I've been trying to do some massive renders for print with Terragen Classic and I've had mixed results. sometimes the renders come out fine, but other times the lower half of the image just turns into a grey streak.
I have been rendering this out as large as Terragen Classic allows, which is 32767px by 16383px. One thing I've noticed is that it usually seems to streak out grey where the water is in the landscape, I was wondering if that was causing the issues...
I attached an image as an example. Any ideas on how to trouble shoot this issue?