Recent Posts

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Image Sharing / Re: In the MeanTime....
« Last post by Dune on April 29, 2017, 06:44:49 AM »
Actually a very cool setting, Bobby. But please build up those stones by yourself and don't just drop in some tgc. They need more definition. If you blow the stones up (I think it's in those stones, as I once told Bob how to get them rounder), add a XYZ shader after that pf for a next tiny pf and will most probably get you finer detail, which you otherwise can't have.
Image Sharing / Re: Fast God Rays
« Last post by Dune on April 29, 2017, 06:41:20 AM »
You're welcome Bobby. What I would do now is lower camera until a meter or so above water level, and reduce translucency on those bushes (?). What I see here in the reflection of the clouds sometimes troubles me as well, the grain looks much more pronounced in reflections than in the actual clouds. Would that have to do with subdivision settings (being 0.25 instead of near 1)?
Terragen Discussion / Re: massive difference between RTP and disk rendering
« Last post by Oshyan on April 29, 2017, 04:02:14 AM »
There is no terrain in this case, so HD will not matter. HD only affects terrain geometry detail generation.

It looks like there are some areas of your cloud that are very hard for the RTP to sample and get to a low noise level. I would guess that what you're seeing is undersampling; a lot of noise that is giving an inaccurate result. The first thing I would try is enabling the crop region and setting it to focus on one of the problem areas. The idea here is to let it resolve a lot more to see if it gets more accurate, and doing it in a crop will happen a lot faster. If it eventually resolves to something that looks more accurate then it's basically a sampling problem. One that we might be able to improve on, but at the same time there will always be situations with hard-to-sample shaders which will just need to resolve more to be accurate.

So, assuming that letting it resolve further gives you a more accurate result, then I would say the bottom line is where you see a lot of noise like this, use a crop region and let it resolve further to get a more accurate view.

- Oshyan
Image Sharing / Re: The Case of the Missing Violinist
« Last post by Oshyan on April 29, 2017, 03:50:32 AM »
Heh, yes, technically possible, but practically unavailable. But if you like it this way, then it's your prerogative as the artist. :)

- Oshyan
File Sharing / Re: A little fence
« Last post by bobbystahr on April 29, 2017, 01:25:52 AM »
Cool, thanks for sharing. These little pieces are often what ties an image together.
Terragen Discussion / Re: massive difference between RTP and disk rendering
« Last post by cyphyr on April 28, 2017, 11:37:52 PM »
It's not a hack :)
much more detailed explanation here ...,21730.0.html
Image Sharing / Re: Rainbow
« Last post by Jo Kariboo on April 28, 2017, 11:15:06 PM »
I very like your rock fomation!
Terragen Discussion / Re: Help with the merge shader
« Last post by mafriedl on April 28, 2017, 10:22:28 PM »
I've been using a single file GI cache so there isn't any GI flickering. It looks more like faces of the geometry intersecting. I just sent an email with a link to download an image sequence and scene files to Thanks for taking a look!

As for the merge shader, I'm glad to hear that there's a solution in the works!
Terragen Discussion / Re: Help with the merge shader
« Last post by Matt on April 28, 2017, 08:55:53 PM »
Maybe the flickering is caused by something else such as GI? I wouldn't dismiss the two-planet method yet. If you can send us a few frames (either here or the support address) we can probably narrow down what's causing it and suggest ways to fix it. If it really is caused by the proximity of the two surfaces, the Animation Check button might help.

Regarding the original Merge Shader issue, I've been working on some improvements which I hope we can release soon, but I wasn't able to really make it work well with the version you have, I'm sorry to say. A different setup might work though.
Terragen Discussion / Re: massive difference between RTP and disk rendering
« Last post by ultrasonic on April 28, 2017, 08:05:56 PM »
thx for your answer!can you elaborate a bit on why I should do that? Is this documented somewhere or is just something you got used to?
Seems more like a hack to me after reading it for the first time.
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