Space Gas and nebula... Just an idea.... 2004-03-04 - By Patrick Vier
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Yes, i've tested with volumic light, but, is not possible to sculpt the
volume of the light...
Just an idea :
Modeling an object and say that it's the volume of the light.
Put the light inside, and the "photons" runs inside (and NOT outside) the
volume from the light source (i use the photons word, just to show the
idea).
Use the weight map on the modeling object, why not, to tweak the intensity
of the light along the travel of the photons inside the object (sometime
more or less intensity)
... to see this inside intensity, we can use a "super volumic 3d texture
(smoking stuff, etc...)" with a new weight map who controling the intensity
falloff between the surface border and the center of rthe object section...
I know that my english is not perfect, but i hope that U understand what i
mean... see tha picture attached.
Otherwise, i've made test with particles and it's working fine... will add
some test and post an image soon...
Thank you to all.
Patrick :)
-- -- Original Message -- --
From: "Ben Kilgore" <ben@(protected)>
To: <XSI@(protected)>
Sent: Wednesday, March 03, 2004 4:34 AM
Subject: Re: Space Gas and nebula...
> Don't forget about volumic lights. This is another viable option for
> creating these effects, with another host of limitations and issues.
>
> Ben
>
> -- -- Original Message -- --
> From: "Eric Lampi" <ericlampi@(protected)>
> To: <XSI@(protected)>
> Sent: Tuesday, March 02, 2004 2:39 PM
> Subject: Re: Space Gas and nebula...
>
>
> > I have to agree. Unless you have a lot of experience
> > with XSI particles, and you have a large renderfarm
> > it's really not a good idea.
> > Let's not forget that even if you were I hope you have
> > several weeks to dedicate to working it out.
> >
> > These sorts of F/X are not easy to pull off, no matter
> > what you're using.
> >
> > Eric
> > --- Anthony Rossano <anthor@(protected)> wrote:
> > > Hi Patrick -
> > > This is tough to say, but you should probably save
> > > yourself the agony
> > > of trying to do this in XSI.
> > > 1) Volumes... can't move the camera through them
> > > 2) particles: really really hard to get nice smooth
> > > gaseous energy
> > > wispy rendering.
> > > I wish I was more confident. BUT - someone on the
> > > list did it- I can't
> > > remember who, Ed Harriss or Jeremy Birn or someone
> > > ....
> > > ATR
> > >
> > >
> > >
> > > On Tue, 2 Mar 2004 17:22:49 +0100, Patrick Vier
> > > wrote:
> > > > Post_Logic - Mail paperBonjour All,
> > > >
> > > > I must realise a test for a futur customer
> > > (i hope), but the
> > > > test is for create space gas, nova, nebula (think
> > > to Atacama from
> > > > Phoenix tools web site)...
> > > > and the camera travel throught the gas...
> > > remember the movie
> > > > "Contact" with Juddy Foster... something near
> > > that.
> > > >
> > > > I know, i will use particles and maybe
> > > volumic shaders... but
> > > > could you tell me how can use them and the way to
> > > do.
> > > >
> > > > Thank you.
> > > >
> > > > Patrick
> > > > *********
> > > >
> > > >
> > > >
> > > > Patrick Vier
> > > > Post Logic
> > > > tel 33 (0)1 46 37 77 61
> > > > fax 33 (0)1 46 37 55 51
> > > > email patrick@(protected)
> > > >
> > > >
> > > [ Anthony Rossano ]
> > > - CEO, Mesmer Inc -
> > > -tel: 206.782.8004-
> > > -fax: 206.782.8101-
> > > http://www.mesmer.com
> > > ---
> > > Unsubscribe? Mail Majordomo@(protected) with the
> > > following text in body:
> > > unsubscribe xsi
> >
> >
> > =====
> > Freelance 3-D Animator, F/X Artist
> > ---
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