CGTalk - Free Video Tutorials -phong/blinn shading model using mental ray math nodes

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olblue

11-12-2005, 02:18 PM

Just newly released by our XSI Math Guru Jon (Squid), feel free to go and download our latest free video tutorials set about the XSI RENDERTREE - an exercise in which we show you how to make a special material from scratch using only math nodes, a null for lighting and some vector math. Jon recreates your standard everyday Phong type lighting model. Tutorials are as follows;

Render Tree Attenuatiion
Render Tree Diffuse
Render Tree Specular
Related Vector Math Part 1
Related Vector Math Part 2
Related Vector Math Part 3
Scene file archive.

pop over to www.3d-palace.com and click on Free Video Tutorials - look under XSI >> XSI Rendertree - due to secure download limitations you cannot download more than one video simultaniously - also please note we do not allow the use of download managers. You will need to be registered at 3d-palace.com to download these tutorials - registration is free and will not result in your eating spam for the next 2 years.

Cris
www.3d-palace.com

5quid

11-12-2005, 02:26 PM

I think the term 'XSI math guru' should definately be taken with a pinch of salt :)

Screen shots and a fuller description here (http://www.3d-palace.com/index.php?option=com_forum&Itemid=26&page=viewtopic&t=8884)

Felipe

11-13-2005, 09:27 PM

I've watched 2 of them so far and I would like to thanks for giving away for free those videos and all the effort to make them. It's always good to know the math behind the shaders.

Cheers,
Felipe

olblue

11-14-2005, 08:31 AM

Thanks Felipe - I watched the set myself and, although I am not a hardcore XSI users by any means, found it facinating. Word is that there are a lot more where those came from :)

cris

yog

11-14-2005, 11:57 AM

Great videos Squid. I found them facinating :thumbsup:
Word is that there are a lot more where those came from :) Good news, perhaps a couple 8 hour DVD'd like our MAX cousin's get ? nudge, nudge ;) :D

5quid

11-14-2005, 01:45 PM

The series on realtime shaders, although not an exclusive XSI* tutorial i do use it often (in conjunction with Rendermonkey), currently runs at 9hrs+ .

it's a lot more formal than the 'off the cuff' tuts so hopefully more accessable.

Aiming for a xmas release for this one.

:)

*there is some simple low poly modelling and a reasonable overview of gator to explain how and why we use different coord spaces for maps.

Just_David

11-14-2005, 01:46 PM

Thanks for the tutorials. A bit heavy in places but it demonstrates the power behind math nodes nicely although Im still wondering why anyone would use math nodes to make a light and instead of just using a light primitive..

5quid

11-14-2005, 01:54 PM

there's no real reason to use math for lighting instead of an actual light other than it was the confines of the excercise.

If you are interested in lighting and materials, be it on or offline, i found that makeing a bunch of standard materials from scratch using nodes (as opposed to code) made me think about the whole process slightly differently.

As i said though, it's just an excercise :)

Just_David

11-14-2005, 02:10 PM

Thanks. Yes i was thinking it was just for that example. :)

Bullit

11-14-2005, 02:13 PM

Many thanks Cris and Squid too

olblue

11-14-2005, 04:03 PM

...perhaps a couple 8 hour DVD'd like our MAX cousin's get ? nudge, nudge ;) :D

I keep telling him ;)

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