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General => Image Sharing => Topic started by: dandelO on February 25, 2010, 06:18:53 PM

Title: Orange County - (Sorry, Marc)
Post by: dandelO on February 25, 2010, 06:18:53 PM
I should've definitely checked I put that cigarette out properly! Now we know how the fires start in the O.C!*

Marc's winter trees 1+2.

[attachimg=#]

Thanks for looking! :)

* Disclaimer: I've never been to America.
Title: Re: Orange County - (Sorry, Marc)
Post by: buzzzzz1 on February 25, 2010, 06:34:48 PM
Damn that's awesome!
Title: Re: Orange County - (Sorry, Marc)
Post by: Zairyn Arsyn on February 25, 2010, 06:45:02 PM
excellent. :)

So You're the one who teleported that cigarette over to the west coast  :D :D :D :D

Title: Re: Orange County - (Sorry, Marc)
Post by: cyphyr on February 25, 2010, 06:46:49 PM
That is darn impresive !! :)
Whats the rendertime? I always wondered about using Clousds as Fire, you did it a treat  ;D
Looks like a fire storm in there!!
Richard
Title: Re: Orange County - (Sorry, Marc)
Post by: Tangled-Universe on February 25, 2010, 06:56:40 PM
Very cool!
I already feel pity for rendering this :)
Title: Re: Orange County - (Sorry, Marc)
Post by: matrix2003 on February 25, 2010, 06:57:49 PM
That is crazy good stuff M-DO.
  -  Bill .
Title: Re: Orange County - (Sorry, Marc)
Post by: Henry Blewer on February 25, 2010, 07:01:41 PM
Impressive render. 8)
Title: Re: Orange County - (Sorry, Marc)
Post by: dandelO on February 25, 2010, 07:59:22 PM
Thanks, guys. :)

This rendered in about an hour(1h7m, I think) on a dual core 2ghz. Ray trace everything.
Nothing too extreme.

I can post the .tgd with the models disabled. Just enable them and load Marc's trees, if you have them.

The overall settings for the renderer are very low, since they're only really required for GI and atmosphere quality here(RTE). Not that excessive GI was required, either, for this overly dark scene.

You can't see any ground so there's no need for extreme detail(0.3), and ray tracing takes care of the cloud nicely.
Also, AA was only 3 as well. It's all about optimizing. ;)

A little post work took care of the rest. This simply involved some fake distance blur and a tiny bit of selective foreground blurring in excessively noisy areas, there wasn't much, you'll see if you render it yourselves. :)

[attachimg=#]

EDIT: An old version of this technique is in my first public library from 2008.
Title: Re: Orange County - (Sorry, Marc)
Post by: dandelO on February 25, 2010, 08:23:13 PM
Ha! I did initially start this in the .tgd for my 'Absorbus' image, same POV and all. Now THAT one would have taken a while, if I'd the patience to leave it to render! I didn't. ;)

Thought I'd best start a new scene afresh and I'm glad I did. I think I may have probably finished a couple of render buckets of that one in the time this one took to complete. Maybe another day(life). It's sitting waiting to be done, I think it'll have a long wait before I open that file again. :D
Title: Re: Orange County - (Sorry, Marc)
Post by: cyphyr on February 25, 2010, 08:37:41 PM
So with a little further optimising you could render a seccond in a day ;) :D
Richard
Title: Re: Orange County - (Sorry, Marc)
Post by: MGebhart on February 25, 2010, 08:59:40 PM
SWEET. Nice to see they are dry enough to burn. Very excellent.

Marc
Title: Re: Orange County - (Sorry, Marc)
Post by: Mor on February 26, 2010, 02:04:07 AM
Very fiery looking! I wondered where that smell of smoke came when I opened planetside forums  ;D
Title: Re: Orange County - (Sorry, Marc)
Post by: FrankB on February 26, 2010, 02:51:32 AM
that's an extremely creative use of TG2, that's for sure. I find it very convincing.
Wow

Frank
Title: Re: Orange County - (Sorry, Marc)
Post by: Dune on February 26, 2010, 03:01:18 AM
Great render, Dandel0. The distance blur really does it, makes the heat shimmer!

---Dune
Title: Re: Orange County - (Sorry, Marc)
Post by: dandelO on February 26, 2010, 04:38:43 AM
Thanks very much, guys! :)
Title: Re: Orange County - (Sorry, Marc)
Post by: inkydigit on February 26, 2010, 06:30:29 AM
I echo the above...very good work!
Title: Re: Orange County - (Sorry, Marc)
Post by: Tangled-Universe on February 26, 2010, 07:25:20 AM
Just around 1 hour for rendering? Very nice! :)

I forgot that this scene is excellent for the RTE function.
A major advantage is that you need less samples for clouds and atmosphere when using the raytracer.
I did quite some testing with this and in general you won't need more than 32 atmosphere samples in the majority of cases.
Often 24 samples really is good enough.
Same goes for clouds. Unless very dense and tall you barely won't need samples above 100.
With dense and tall clouds around 300 samples is often sufficient.

Important of course is the AA-level. The greater the AA the less noise.
Finding the optimal AA and sample-levels is key and the challenge.

I don't know the numbers straight from my head but in my cumulonimbus builtup animation I used RTE as well.
It was something like AA4, 24 atmo samples, det 0.5-0.75, GI 1/4 and 256 cloudsamples (~0.3 detail).

You probably know this all already, but perhaps it's interesting for others :)
Again, fine work and thanks for posting it in the file sharing.

Cheers,
Martin
Title: Re: Orange County - (Sorry, Marc)
Post by: dandelO on February 26, 2010, 10:01:21 AM
Cheers, folks.

The fire depth is 10m in this scene. Not deep at all. What pushes the samples higher here(they're not high at all but they could still be cut significantly with a balance of lower density/higher edge sharpness) is the density of 1. Samples are still only; fire 63, smoke 47 at density and quality both at 1, though.

I'm not relying on GI for much significance here, although it's on, very low. If you want a scene where GI is very important then you'll want a higher overall render detail to make GI relative detail work best.
I could get away with a 0.3 render here simply because there is no terrain showing, little need for high GI, a decent atmo(32)/cloud sample(Q=1) and ray tracing does the business for you, quickly.

I left the AA very low because some cloud grain is not unwanted in such a smoky, dark setting. Also, higher AA would have made the trees even smoother, again, not really required here. AA sampling is also customized, lower to 1/16.

Cut those corners wherever you can!

Try rendering a whole scene of volumetrics in other 3D-rendering packages and you won't be half as quick for the same quality. Never let it be said that TG2 is slow again! ;)
Title: Re: Orange County - (Sorry, Marc)
Post by: dandelO on February 26, 2010, 10:08:57 AM
* Should have said before just to be clear. The licking flame shapes come mostly from the density fractal's noise parameters, not the cloud depth. The Y noise is stretched x3.

And the high yellow colour comes from insane fake internal scattering values(10) for the scattering colour.

Another important thing. The fire won't self-illuminate! You'll still need some lightsource to feed it, if the sun's below 0 there's little light for the fire cloud to bounce around and multiply.
Title: Re: Orange County - (Sorry, Marc)
Post by: freelancah on February 26, 2010, 10:09:15 AM
Oh! Clouds as fire. Very clever! :)
Title: Re: Orange County - (Sorry, Marc)
Post by: dandelO on February 26, 2010, 10:11:51 AM
Thanks, Freelancah.:)
Title: Re: Orange County - (Sorry, Marc)
Post by: Tangled-Universe on February 26, 2010, 10:18:22 AM
Yes you have balanced those settings pretty well here.

I'm aware of the relation between render detail and GI and for renders like these it is not convenient.
It would be great if GI relative detail would be replaced by GI detail only.
For renders like these, if you desire, you still need a high render detail setting to get good GI.
You could go for 0.3 detail and GI 3/6, which effectively is GI ~1/2, or go for detail 1 and GI 1/2.

I'm not sure what will be best in the end, but anyhow, for RTE renders it would be really great to have non-relative GI settings.

Martin
Title: Re: Orange County - (Sorry, Marc)
Post by: j meyer on February 26, 2010, 10:21:50 AM
Reminds me of the golden olden days of experimenting. ;)
Nice development.
Title: Re: Orange County - (Sorry, Marc)
Post by: Zairyn Arsyn on February 26, 2010, 10:35:33 AM
burn baby, burn :)

Title: Re: Orange County - (Sorry, Marc)
Post by: pfrancke on February 26, 2010, 10:51:40 AM
very very cool
Title: Re: Orange County - (Sorry, Marc)
Post by: Kadri on February 26, 2010, 04:39:05 PM
Nice scene , DandelO .

Kadri.
Title: Re: Orange County - (Sorry, Marc)
Post by: dandelO on February 26, 2010, 05:00:39 PM
Cheers! :)

I had another thought about this one that I might try when I'm not busy with other things. I think if I made the population seeds the same, or similar, to the fire fractal's then it should keep the trees concentrated to the brightest parts of the flames. Here they're just randomly distributed.

I'll give it a go at some point, if nobody beats me to it. Let me know if this is workable if you do try it out.
Title: Re: Orange County - (Sorry, Marc)
Post by: Saurav on February 26, 2010, 07:19:48 PM
Awesome render. ;D
Title: Re: Orange County - (Sorry, Marc)
Post by: choronr on February 26, 2010, 11:11:06 PM
Hey, my fire alarm went off ...gotta be more careful with what I'm looking at. Nice work here dandelO!
Title: Re: Orange County - (Sorry, Marc)
Post by: MacGyver on March 01, 2010, 02:14:00 PM
Believe it or not... yesterday I threw a cigarillo to the ground in the woods (not much a problem now that everything is wet from the melting snow here) and my audio bible to which I listened just came across that verse: So also the tongue is a little member, and boasts great things. Behold, how little a fire kindles how large a forest! (James 3:5)

Very well done! :)
Title: Re: Orange County - (Sorry, Marc)
Post by: FrankB on March 02, 2010, 06:04:33 PM
Quote from: MacGyver on March 01, 2010, 02:14:00 PM
Believe it or not... yesterday I threw a cigarillo to the ground in the woods (not much a problem now that everything is wet from the melting snow here) and my audio bible to which I listened just came across that verse: So also the tongue is a little member, and boasts great things. Behold, how little a fire kindles how large a forest! (James 3:5)

Very well done! :)


so you walk around in the woods, smoking a cigar, while listening to an audio book bible?  Amazing...
And back home, you clean the kitchen, dancing, while beating yourself at chess?  ;D
Title: Re: Orange County - (Sorry, Marc)
Post by: MacGyver on March 04, 2010, 06:51:22 AM
Quote from: FrankB on March 02, 2010, 06:04:33 PM
so you walk around in the woods, smoking a cigar, while listening to an audio book bible?  Amazing...
And back home, you clean the kitchen, dancing, while beating yourself at chess?  ;D

Exactly, this is how the ProGamerâ„¢ does it! ;D
Title: Re: Orange County - (Sorry, Marc)
Post by: luvsmuzik on August 29, 2016, 04:38:03 PM
Danny here is the thread.
Title: Re: Orange County - (Sorry, Marc)
Post by: DannyG on August 29, 2016, 06:31:45 PM
Quote from: luvsmuzik on August 29, 2016, 04:38:03 PM
Danny here is the thread.

Ok it is still posted thats good, most of his stuff he took down, good luck with it. The marc_0001 reference makes sense now, I had no freaking clue what you were talking about
Title: Re: Orange County - (Sorry, Marc)
Post by: bobbystahr on September 01, 2016, 11:23:12 AM
Wow, this must have been before I was in this forum cuz it's totally new to me...awesome work dandel0