Japanese House - Porch

[Bpositive]

Hi All

The last couple of weeks I have been trying to learn how to use HDRI and multiscatter. I've also been experimenting with VRayEnvironmentFog.
For this I'm in the process of modeling a complete scene with a Japanese inspired luxury house.
This is my first test render showing the "porch" and some of the garden.

The image still needs some tweaks and so, but I'm generally happy with the result! - Hope you like it!?

[BBB3]

Beautiful. Very nice mood indeed. Your trees and rocks also look gorgeous, did you model them yourself?

[rivoli]

love this, it's very a effective and beautiful illustration. I'll be looking forward for other ones to come.

[Bpositive]

Thanks a lot guys

Trees and rocks are actually modified Evermotion models - though there are some I have created from scratch with Onyx. Grass is iPlants.

I think it works really well with the fog, however my render times on the fog passes where way too high! Does any of you have good experience with fog, and knows how to render this with acceptable time? - help would be much appreciated

[BBB3]

In the past, I've found the step size to be the main culprit for longer render times.

Here is what the help files say about it. Check it is not too small compared to your fog distance:

"Step size - determines the size of one step through the volume. Smaller steps produce more accurate results but are slower to render. In general, dense volumes require smaller step sizes than more transparent volumes. In practice, step sizes that are two to three times smaller than the Fog distance parameter work well."

[Bpositive]

Thanks Bertrand

Exactly - I experienced the same thing - but I couldn't get the quality of the intense lights to be okay when the step size was too high! I did blur the fog passes to remove noise. BTW I used a override material and only added the appropriate lights to the fog. It still took too long to render - perhaps it just is some heavy stuff!??

[rivoli]

I noticed that rendering with adaptive dmc, low min and max sbd (1/4 1/5), and very high numbers for the fog subdivisions, it's usually fast and gives good results (much better than trying to clean the fog with the image sampler). of course I also override to a pitch black mat everything I can in scene..

[bob-cat]

Lovely image, well done.

[Bpositive]

Thanks Bob-Cat

@rivoli - When you say very high subdivision, how high do you mean? I think perhaps the Noise Treshold has the biggest impact - if you want it somewhat clean it has to be set on 0,0! Hopefully I can get some more testing done on the next images.

[rivoli]

I usually go over 200, even higher depending on the scene. as long as the noise threshold goes, I don't think I ever go lower than 0,003, but of course this is really scene dependent.

[Bpositive]

Okay, 200 - haven't been up there Must try that!

Regarding noise threshold, I can't put it lower than 0,01 - isn't it the limit in vray 2, or is it my 3DS Max setup that is wrong!?

[rivoli]

I guess you just need to set the decimal precision up to 3 or 4: preferences>general>spinners..

[Bpositive]

Huhmmm, okay never mind... I feel a bit embarrassed

[windrockwater]

Looks great. DOF, fog, moody. Very cool.