Comments on: volume rendering updates

By: RH2

RH2 — Tue, 21 Oct 2008 01:21:46 +0000

Nice work!

By: glenn melenhorst

glenn melenhorst — Fri, 17 Oct 2008 03:27:18 +0000

Hey Matt, Where’s that update I wanted? :) Saw the bunyip. Nice effect.

Glenn

By: Chris M. Wilson

Chris M. Wilson — Thu, 09 Oct 2008 19:15:16 +0000

Awesome stuff. This is gonna be huge.

Any chance some kind soul might put a build on graphicall.org?

By: inazuma

inazuma — Mon, 06 Oct 2008 22:26:12 +0000

Awesome work Matt!
I compiled your latest commits this morning and have been playing around with the new turbulence features all day. Cool stuff – not so cool as it’s been distracting me from other work :-)

Keep up the great work!

By: Matt

Matt — Mon, 06 Oct 2008 12:03:07 +0000

Hi Shump, that is indeed correct, it’s just rather unintuitive and needlessly difficult to use :) So what you set in the UI is actually the inverse of the absorption colour – its the colour that the volume will become when the other colours are absorbed.

By: farsthary

farsthary — Thu, 02 Oct 2008 17:10:25 +0000

Hi Matt!

I could today access internet and WOW! Im gladd to see you are progressing so fast!
Congrats!

By: Sergeant Oreo

Sergeant Oreo — Mon, 29 Sep 2008 19:24:24 +0000

Amazing.
Thank you for all your work on this project Matt; it’s great to see Blender advancing to new levels of complexity and such thanks to coders like you. The pace it has gone at since the past year or so is alarming (in a good sense!) and I look forward to using the new features!

By: Shump

Shump — Mon, 29 Sep 2008 16:08:28 +0000

Just a little confused with the absorption parameter. If something absorbs a certain colour, isn’t that supposed to not let out that colour. In example: something that absorbs white light would appear black. Something that is exposed to white light and absorbs red would appear purple. etc.

By: blendificus

blendificus — Fri, 26 Sep 2008 16:40:06 +0000

as usual, your work and pace is impressive. Thank you for your contribution to the blender community across the globe

By: Matt

Matt — Wed, 24 Sep 2008 23:24:45 +0000

Hey dudes, thanks for the kind words!

broken_sword, no it’s not realtime at all :)

Dalai, it’s similar in a way, but a much more generalised system – it covers all kinds of scattering in participating media. In that sense, for making things that SSS is designed for, such as skin, SSS is a lot more optimised for that task and is faster. This volume rendering stuff though, while more of a brute force method, is capable of many more effects that SSS isn’t suited for. You can get cool SSS-like effects though, here’s suzanne with the absorption cranked up to 3.0:
http://mke3.net/blender/devel/rendering/volumetrics/vol_suzanne_ab3.png

The render time on that was 17s on this dual althon 64.

cheers!

By: JiriH

JiriH — Wed, 24 Sep 2008 19:48:11 +0000

Excellent work Matt, good luck with it.

By: Nathan Letwory

Nathan Letwory — Wed, 24 Sep 2008 19:33:43 +0000

Really cool work you do! I must say that you’ve gone a long way (and past many) since I met you first at bconf 2004! You’re a guru now :D

By: Dalai Felinto

Dalai Felinto — Wed, 24 Sep 2008 18:03:43 +0000

Hi Matt,

great work.

I’m really curious about the render time. Since some of the effects looks like a solid SSS, it could be a cheap approach to simulate this kind of material.

I was wondering if the render time is as high as the SSS.

Best regards,
Dalai

@broken_sword – no, this is for rendering.

By: broken_sword

broken_sword — Wed, 24 Sep 2008 15:30:37 +0000

Is this for real-time??

By: wayne

wayne — Wed, 24 Sep 2008 14:00:06 +0000

what!!?!?!?

this is mad, thanks so much for all your dev work :)