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About Digital Art / Hobbyist david brinnenMale/United Kingdom Group :iconwings3d: Wings3D
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Bryce five minute render by davidbrinnen
Bryce five minute render
Link to tutorial

One component volumetric cloud - a tutorial by David Brinnen

Having had a work enforced break from Bryce I decided to return to the subject of clouds and starting from scratch came up with another approach.  Each has it's merits, this ones is efficiency. 
WIP Bryce underwater scene 38 by davidbrinnen
WIP Bryce underwater scene 38
A refinement of my last WIP on this topic.

Render time in Bryce about one hour.

Terrain by Horo

Standford Dragon from the Standford Scanning Repository.
WIP Bryce underwater scene 23 by davidbrinnen
WIP Bryce underwater scene 23
Terrain by Horo.

Probably because it is not something of my every day experience I find underwater a very difficult subject.

I’ve had a break from the caustics for a while and decided to explore some other effects.  The streaming light rays are stimulated directly by the caustic light via a hypertexture driven diffuse response on an otherwise invisible surface, other light sources are excluded from interacting with this surface.  Also a “wibbly” sheet of material sits in front of the camera to add some distortion.  “Bits” floating in the water, again occupy an otherwise invisible surface and are likewise reveled by the streaming rays - hypertexture and boost light make them visible and sharp.  HDRI lighting provides a low level of general ambient.  Haze adds to this illusion.  Two point lights provide “dappled” light via a gels (though this does introduce some noise do to a gel light bug I don’t feel it is a sufficient issue not to use this effect) and the sun through specularity creates highlights on the waters surface, again an exaggerated response via hypertexture and also some ambient effect to lighten the “foamy” bits up.


As clever as all that sounds, the question is… does it yet look like we are underwater?  Having now sunk (I put that pun in for Dave’s benefit) many hours into fine tuning aspects of this scene.  I can’t really be as objective about it as I should.

The Stanford dragon is there as a shadow casting test.  An earlier iteration lacking this feature took me down a route that while promising would not work with additional props in the scene.  So that’s why that is there.

Render time has risen due to the addition of effects and light sources to around the ten minutes mark.

Link to Peter's channel…

Link to video 

A reprise in Modo of some models I made in Wings 3D.  Very interesting to me to see the differences in approach between the two applications.  I hope other people find this interesting and useful too!
  • Listening to: Daniel Dennett
  • Reading: Still reading Godel Escher Bach
  • Watching: Modo Tutorials
  • Playing: Eclypse
  • Eating: Too early yet for food.
  • Drinking: Coffee


davidbrinnen's Profile Picture
david brinnen
Artist | Hobbyist | Digital Art
United Kingdom
Current Residence: Mablethorpe
Operating System: Windows 7

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fractalyst Featured By Owner 3 days ago  Hobbyist Digital Artist
Thanks for the favorite for: Loaded Dice by fractalyst !!
fractalyst Featured By Owner May 8, 2015  Hobbyist Digital Artist
Thanks for the favorite for twisted knottorusABCD by fractalyst :iconhead-bangplz:
MrBeholder Featured By Owner Feb 23, 2015
Watching you for a long time. It's because of you I discovered Wings3D.
davidbrinnen Featured By Owner Feb 24, 2015  Hobbyist Digital Artist
Wings3D is a great modeling application for learning and modest projects, I found it quickly got to be a handful on larger things and have subsequently been lured over to Modo.  The transition is not too painful if you ever fancy giving Modo a go then there is a 30 day free trial.  But if do, before you do so, take a look at will help you understand the conceptual differences.  I would recommend watching these anyway if you are interested in modelling, I found them insightful and amusing.
MrBeholder Featured By Owner Feb 24, 2015
Thank you for your reply. I found your YouTube account. I must say that there published guides are very helpful. Free time to see recommended channel.
davidbrinnen Featured By Owner Feb 24, 2015  Hobbyist Digital Artist
You are welcome.  The greatest hurdle for me with Modo was the price.  I waited for a sale but even then, it was still pretty expensive.  And that's not to say it wasn't worth it.  Just I didn't want to part with the money being a Yorkshireman and all.
fractalyst Featured By Owner Dec 1, 2014  Hobbyist Digital Artist
Thanks for the favorite for Abstract 10 23 14 by fractalyst
LadyoftheApocalypse Featured By Owner Nov 24, 2014  Hobbyist General Artist
You have a very nice gallery!
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davidbrinnen Featured By Owner Oct 2, 2014  Hobbyist Digital Artist
You've got some nice stuff.  As it happens I'm a content creator rather than a content consumer, but I don't object to looking at your nice products.  Do you vend anything at DAZ3D too?  Or only here?
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