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General => Image Sharing => Topic started by: sjefen on April 05, 2020, 05:36:05 PM

Title: Tectonic Power
Post by: sjefen on April 05, 2020, 05:36:05 PM
Hi,


A new project I'm working on. I know there's a lot of noise in this render, but I haven't figured out what causes it  :(
I'm also reworking the shoreline cause it's really bad. It looked fine in my crop, but I can see now in the final render that it needs a lot of work.

Other suggestions are very welcome of course  :)

Mountains are created with Gaea. Trees are a mix of xFrog and plants from PlantCatalog. Grass it by Dune.


- Terje
Title: Re: Tectonic Power
Post by: Hannes on April 05, 2020, 06:05:58 PM
Congratulations to this image, Terje!!!
It might be not very constructive, but there's not too many stuff, that's really improvable. I've seen photographs, that are a lot noisier than your image, and I have no idea, what's wrong about the shoreline.

I love it, and I know, if anybody finds something that should be improved, you'll find a way to make your scene even better, although it's hard for me to imagine....
Title: Re: Tectonic Power
Post by: Kadri on April 05, 2020, 06:16:34 PM
Looks good already.
Title: Re: Tectonic Power
Post by: sjefen on April 05, 2020, 06:18:29 PM
Thank you very much Hannes.

About the shoreline... I just don't like the rocks. They feel off. I think I'm gonna try and distribute them differently and maybe use some other models. Maybe add some tall grass as well.

The noise is more annoying cause I don't know what's causing it. The cloud layer has a high quality setting, but it doesn't work. Maybe it's the samples of the soft shadows. I'll give it a try.
Title: Re: Tectonic Power
Post by: mhall on April 05, 2020, 11:11:02 PM
Wow.

I can see what you mean about some of the shoreline rocks (the colors seem wrong to me) ... but overall, this is a gorgeous image. Great choice and distribution of models, really nice color contrasts between the cool shadow light and sunlit portions, wonderful details from front to back, beautiful lighting. Really feels like a crisp morning.

The best TG of it's kind I've seen in some time.

Nice!
Title: Re: Tectonic Power
Post by: Matt on April 06, 2020, 01:43:28 AM
Powerful image! Your post processing is really nice. Could you tell us more about how you do this?

I'd like to figure out what's causing the cloud noise. Any chance I can look at the scene files?
Title: Re: Tectonic Power
Post by: Dune on April 06, 2020, 02:14:15 AM
This is a really awesome image. You guys have already put to words what I would have said. Yes, too bad about the noise, but the low veils of mist really add to the chill of the morning. The only thing I'm not 100% sure about is the whiteness of the rocks on the small island at front. I guess it's remaining snow, but I had to look twice. It does 'reflect' the snow further away, so something light in that area works well.
But please keep the sky empty and pristine or not very clouded at least.
Title: Re: Tectonic Power
Post by: sjefen on April 06, 2020, 04:16:00 AM
Thanks guys!
Quote from: Matt on April 06, 2020, 01:43:28 AMPowerful image! Your post processing is really nice. Could you tell us more about how you do this?

I'd like to figure out what's causing the cloud noise. Any chance I can look at the scene files?

I can try. I use Lightroom and usually start with adding contrast but at the same time trying to make the shadows brighter. I also bring the highlights and whites down allot. After that I'm usually increasing the vibrance to bring in some more colors (especially for the sky) at the same time I decrease the saturation just a little bit to bring down the overall colors just a little. Sometimes it's the other way around. Then I play with the exposure trying to bring it up or down as much as I can. Somethings darker is better and sometimes brighter is better. 

After all this I'm just adjusting the different colors to my liking. It can be both hue, saturation and brightness of all the different colors. For example bringing out more of the red or green, or changing the colors. It's difficult to explain. I'm just trying to adjust them to something I like. Even bringing them down. It's usually just very small and subtle adjustments, but they can still do allot. 

There's also one thing that helped allot in this scene for working with both the shadows and the bright areas. I upped the soft clip effect to 2.4 😊

I hope this makes any sense and is useful.


I guess I could send the file for you to check out the noise problem, but I'm not sure how? The scene has allot of object's in it. It's gonna be huge.
Title: Re: Tectonic Power
Post by: cyphyr on April 06, 2020, 04:23:37 AM
Lovely sense of scale and great composition. Fore-ground, mid-groung back-ground all working together perfectly. GREAT water!
No crits and very inspiring work.

Quote from: sjefen on April 06, 2020, 04:16:00 AMI guess I could send the file for you to check out the noise problem, but I'm not sure how? The scene has allot of object's in it. It's gonna be huge.
I'm pretty sure the models are not what's causing the noise so it might be worth doing a quick test first to eliminate that before sending Matt the file.
Title: Re: Tectonic Power
Post by: sboerner on April 06, 2020, 10:22:51 AM
Echoing all of the comments here, not much more to add. This is a brilliant image.


QuoteI use Lightroom and usually start with adding contrast but at the same time trying to make the shadows brighter. I also bring the highlights and whites down allot.

This has been my experience, too. Lightroom tends to blow out highlights (especially in the atmosphere) and you have to pull down those values quite a bit. I also usually see a dramatic increase in contrast overall. Maybe because Lightroom is trying to display the raw 32-bit image and the higher values are getting clipped?
Title: Re: Tectonic Power
Post by: sjefen on April 06, 2020, 10:48:59 AM
Quote from: sboerner on April 06, 2020, 10:22:51 AMEchoing all of the comments here, not much more to add. This is a brilliant image.


Quote from: undefinedI use Lightroom and usually start with adding contrast but at the same time trying to make the shadows brighter. I also bring the highlights and whites down allot.

This has been my experience, too. Lightroom tends to blow out highlights (especially in the atmosphere) and you have to pull down those values quite a bit. I also usually see a dramatic increase in contrast overall. Maybe because Lightroom is trying to display the raw 32-bit image and the higher values are getting clipped?
But it does help allot upping the soft clip effect in Terragen  :)
Title: Re: Tectonic Power
Post by: mhaze on April 06, 2020, 12:53:39 PM
Excellent!
Title: Re: Tectonic Power
Post by: j meyer on April 06, 2020, 01:04:43 PM
Another well done image of yours. :)
Title: Re: Tectonic Power
Post by: WAS on April 06, 2020, 04:18:51 PM
Are your clouds affected by altitude? This can create noise if the function multiplier is too high. You should rarely need to go over 1 for the function if setup correctly.

What are your cloud settings and GI, though?
Title: Re: Tectonic Power
Post by: bobbystahr on April 06, 2020, 06:27:40 PM
Wow...I went right into that scene, thanks.....
Title: Re: Tectonic Power
Post by: Matt on April 07, 2020, 05:33:30 AM
Quote from: sjefen on April 06, 2020, 04:16:00 AMI hope this makes any sense and is useful.

Yes it is. Thanks for the information.

QuoteI guess I could send the file for you to check out the noise problem, but I'm not sure how? The scene has allot of object's in it. It's gonna be huge.

The cloud noise might be reproducible with just the terrain.
Title: Re: Tectonic Power
Post by: sjefen on April 07, 2020, 06:42:26 PM
Quote from: WAS on April 06, 2020, 04:18:51 PMAre your clouds affected by altitude? This can create noise if the function multiplier is too high. You should rarely need to go over 1 for the function if setup correctly.

What are your cloud settings and GI, though?

I'm sorry. I don't understand.
It's just a easy cloud layer lowered to an altitude right above the water.

Cloud settings are:
Quality = 1
Receive shadows from surfaces = On
Millions of voxels = 60 (it was at 10 for this render, but just tried at 60 with no difference)

GI settings:
2
2
8
Supersample prepass = On

GI in clouds:
Cloud GI = Still / Medium
Cloud GI max ray = 2 
Voxel scattering quality = 100
Title: Re: Tectonic Power
Post by: WAS on April 07, 2020, 06:56:51 PM
Quote from: sjefen on April 07, 2020, 06:42:26 PM
Quote from: WAS on April 06, 2020, 04:18:51 PMAre your clouds affected by altitude? This can create noise if the function multiplier is too high. You should rarely need to go over 1 for the function if setup correctly.

What are your cloud settings and GI, though?

I'm sorry. I don't understand.
It's just a easy cloud layer lowered to an altitude right above the water.

Cloud settings are:
Quality = 1
Receive shadows from surfaces = On
Millions of voxels = 60 (it was at 10 for this render, but just tried at 60 with no difference)

GI settings:
2
2
8
Supersample prepass = On

GI in clouds:
Cloud GI = Still / Medium
Cloud GI max ray = 2
Voxel scattering quality = 100

Hmm, you could try raising voxel scattering quality between 200-500 (shouldn't really need to go too far past 200), but I am suspicious this may be due to the Easy Clouds themselves, and Matt may have a better understanding. Your initial quality of 1 (in cloud settings) should mostly cover the noise, even with voxel scattering quality at 100. But it can always help to raise that with lower quality settings. Usually that's what I do to get a little bit quicker rendering, have the cloud quality at about 0.5, and raise Voxel Scattering Quality.
Title: Re: Tectonic Power
Post by: sjefen on April 07, 2020, 08:16:35 PM
So I was able to get rid of the noise by increasing Voxel Scattering Quality to 1500 (which I know is high, but I tried with lower values as well) and lowering the cloud quality to 0.5  :)

How high does the VSQ go anyway? 

I've also done some small work on the shoreline so a bigger render is coming.
Title: Re: Tectonic Power
Post by: DocCharly65 on April 08, 2020, 03:02:23 AM
Excellent image!
Title: Re: Tectonic Power
Post by: sjefen on April 08, 2020, 05:46:24 AM
I got this while trying to render at 6K  :(

It actually said at the bottom that it was too many errors and wasn't going to show me any more  ;D
Title: Re: Tectonic Power
Post by: WAS on April 08, 2020, 02:24:34 PM
Did you by chance play with cloud GI max ray depth? Is it below 1? It may be related but may not. It sounds like it may be a calculation error based on settings supplied. RatRecursionDepth isn't available to us in project XML so I'm not positive what it is. Possibly related to cloud GI max ray depth. This setting should be at 2 for most scenarios, maybe higher than 2 if you have a few cloud layers (from what I heard) overlaying..
Title: Re: Tectonic Power
Post by: Matt on April 09, 2020, 07:02:46 AM
Terje, I've seen screenshots of those errors before, but I don't have a scene which produces them so I have not been able to debug them. I'd really like to test a scene that errs like this. If the objects are too big to send, can you test if the errors happen without the objects?
Title: Re: Tectonic Power
Post by: sjefen on April 09, 2020, 09:30:59 AM
Quote from: WAS on April 08, 2020, 02:24:34 PMDid you by chance play with cloud GI max ray depth? Is it below 1? It may be related but may not. It sounds like it may be a calculation error based on settings supplied. RatRecursionDepth isn't available to us in project XML so I'm not positive what it is. Possibly related to cloud GI max ray depth. This setting should be at 2 for most scenarios, maybe higher than 2 if you have a few cloud layers (from what I heard) overlaying..
Yes. I did. Changed it back to default and it rendered just fine.

Quote from: Matt on April 09, 2020, 07:02:46 AMTerje, I've seen screenshots of those errors before, but I don't have a scene which produces them so I have not been able to debug them. I'd really like to test a scene that errs like this. If the objects are too big to send, can you test if the errors happen without the objects?
I'll send you the file to check out.


Attaching an update to the image also. No big changes, but small improvements I hope.
Title: Re: Tectonic Power
Post by: Stormlord on April 09, 2020, 01:01:32 PM
The stones are much better distributed and the light is also better.
I would try to set some additonal fog banks above the sea here and there.

Overall an excellent image!

STORMLORD
Title: Re: Tectonic Power
Post by: DocCharly65 on April 12, 2020, 01:49:07 PM
Oh! I see it the same way... especially the new stone/rocks distribution is a BIG improvement!

...so... BIG Like :)
Title: Re: Tectonic Power
Post by: StephB on April 13, 2020, 08:43:47 AM
Absolutely brilliant! Great job! :o ;)