Help!

mhaze · October 28, 2019, 04:59:22 PM

It's been some time... The rocks under the water seem to be lacking in detail, they seem very triangulated.

Oshyan · October 28, 2019, 05:18:41 PM

Creative scene (though I don't know if bears hunt rabbits? 🤔). To improve underwater detail you need to increase Ray Detail Multiplier (RDM) in Subdiv Settings.

- Oshyan

WAS · October 28, 2019, 06:57:30 PM

Quote from: Oshyan on October 28, 2019, 05:18:41 PMCreative scene (though I don't know if bears hunt rabbits? 🤔). To improve underwater detail you need to increase Ray Detail Multiplier (RDM) in Subdiv Settings.

- Oshyan

Black bears dig up the invasive cottontail dens here. I don't know if you'd call that' real hunting, more just following a strong smell and digging it out. More like scavenging. We've had the lepus plague for 5 years here, and last two years have been very mild since two mother black bears and a cougar moved into the area.

This is a cool scene, and as Oshyan stated, increasing RDM will set you up nicely.

Dune · October 29, 2019, 03:07:55 AM

Sometimes you also need to increase ray detail region padding (lower/front triangulation).

mhaze · October 29, 2019, 04:53:27 AM

Cheers, thank you for your comments and advice - doing some experiments on the water now.

DocCharly65 · October 29, 2019, 08:16:20 AM

A little masterpiece

bobbystahr · October 29, 2019, 09:29:22 AM

Echo Doc...big LIKE

mhaze · October 29, 2019, 11:19:17 AM

Ta!

Oshyan · October 29, 2019, 03:29:51 PM

Quote from: Dune on October 29, 2019, 03:07:55 AMSometimes you also need to increase ray detail region padding (lower/front triangulation).

As far as I know you shouldn't need to increase ray detail region padding for on-screen subsurface detail. It should only affect reflections of off-screen geometry and shadows cast by off-screen geometry.

- Oshyan

Dune · October 30, 2019, 03:02:56 AM

I had the idea that in my latest render (monks on water) a small area of the subsurface below was angular, and after increasing RDRP it wasn't. And I also remember something like this from the past. I can imagine that due to the refraction index some areas fall outside the calculated frustrum (I think that's the term).
But I'll test it once again.

Dune · October 30, 2019, 03:29:24 AM

See here.

Matt · October 30, 2019, 08:42:08 PM

Yes, sometimes you need to add a small amount of ray detail region padding for refraction, because the water refracts terrain that would be off-screen if there was no refraction.

Oshyan · November 01, 2019, 03:05:13 PM

Huh, interesting! I understand how that might happen now (and it makes even more sense for reflections). Thanks for illustrating Ulco.

- Oshyan