Render Inconsistencies

[Upon Infinity]

Ok, now I have a new problem.  I sent a render through twice (it completed twice) and I got 2 slightly different renderings.  Now I know that Terragen isn't a true ray-tracer (which I think is a strength actually), so maybe these kinds of quirks are expected, but I would like to know all the same.  If it was just a little variation in light or colour, I wouldn't mind but in this case, the distortion was fairly obvious.

And for the record, GISD is off.

Any thoughts?

[Matt]

I think this is probably the GI. It doesn't render exactly the same between renders. The differences are exaggerated when you have low quality settings for your GI - mainly it's affected by GI cache detail and GI sample quality. Increasing both of these settings is likely to produce more consistent results.

If you have a scene where you are not going to make any big changes from now on and want to 'freeze' the GI solution, you can write to a GI cache file and then use that for all subsequent renders. However, this capability is only available in Terragen 2 Deep Edition, Terragen 3 Creative + Animation, Terragen 3 Professional and Terragen 3 Professional + Animation.

Matt

[Upon Infinity]

Thanks, Matt.  I'll try it out.