[Sidefx-houdini-list] God Rays

Peter Bowmar pbowmar at gmail.com
Tue Jan 29 14:36:43 EST 2013


Zmap Fog shader on an Atmosphere object, super fast :)

On 16 January 2013 08:55, Nick Nimble <nick at nicknimble.com> wrote:
> Tnx Mark,
>
> I found that post through Google but put it aside without ever reading it
> because of the images on it. How foolish ;-).
>
> @Jordan
> I wasn't aware of the the atmosphere workflow. That's a great help :-)
>
> What I'm after is to generate a godrays pass that can be applied to some
> shot where godrays don't naturally occur but the client does want them. The
> usual ;-).
>
> A setup with a pointlight with a projection map trough the atmosphere with
> the litfog shader seems to give the desired result. Tnx guys :-)
>
>
> Cheers,
> Nick, be Nimble
> +31 622 4243 94 | www.nicknimble.com | www.facebook.com/nicknimble
>
> On 1/16/13 5:35 PM, Mark Elendt wrote:
>>
>> Low density uniform volumes also work...
>>
>>
>> http://www.sidefx.com/index.php?option=com_forum&Itemid=172&page=viewtopic&t=17462
>>
>> On Wednesday Jan 16 at 16:34, Nick Nimble wrote:
>>>
>>> You would say that godrays are easy right?
>>>
>>> I can't get my head around a relative simple setup to create godrays.
>>> Rendering a volume cone is relatively easy but how do you get those
>>> 'stripes' or lines in it?
>>>
>>> --
>>> Cheers,
>>> Nick, be Nimble
>>> +31 622 4243 94 | www.nicknimble.com | www.facebook.com/nicknimble
>>>
>>> _______________________________________________
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>
>
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-- 
Cheers,

Peter B

--No, I am not on Facebook.



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