You cal always scatter particles onto the points and thus gain control of the alpha value.
Still, I can't wait for a volumetric render plugin for Nuke...




On 17/11/12 12:25 AM, Patrick Heinen wrote:
Bad news everyone, the points that you get with DeepToPoints get an alpha of 1. 
So no flying through clouds :(
I think aswell that we would need voxel rendering to get nice results here...

cheers
Patrick

----- Original Message -----
From: mar...@gmail.com
To: nuke-users@support.thefoundry.co.uk
Date: 18.10.2012 07:45:17
Subject: Re: Re: [Nuke-users] questions on Deep files and comping


I'm probably wrong, but don't we need voxel rendering to 'fill-out' the
point clouds into something that looks good?

On 17 October 2012 21:50, <mailingli...@patrickheinen.com> wrote:

Hi Frank,

yeah I tried that aswell, but at least for geometry, that doesn't seem to
give me good results either for geometry. I'll try it for volumetrics as
soon as I get my deep volumetrics to work here, as I'm working with Vray.


----- Original Message -----
From: fr...@beingfrank.info
To: nuke-users@support.thefoundry.co.uk
Date: 17.10.2012 10:20:37
Subject: Re: [Nuke-users] questions on Deep files and comping


you could turn your deep data into points (as you mentioned) then use
that to emit one particle per point. that way you may get more control
over render behaviour.
haven't tried it myself yet, just a thought.


On 10/17/12 8:41 PM, Patrick Heinen wrote:
Yep, that's exactly what I think aswell. I haven't tried it with
volumetrics though, only with solid objects, which looked awful when
rendered as pointcloud. Maybe you could get away visually with pretty
simple volumetrics.
Am 17.10.2012 um 09:25 schrieb adam jones:

hey patrick

cheers for the reply, I was just thinking that aside from the volume /
cloud evolving and undulating  over time clouds could be rendered as a
single frame and camera independent from 3d and any camera move applied in
nuke, hopefully in time this is something that would be possible.
-adam


On 17/10/2012, at 6:15 PM, Patrick Heinen wrote:

Hi adam,

As you said you already answered your own question, "deepToPoints"
gives you a pointcloud representation of your Deep files, similar to what
"PositionToPoints" does.
What you mentioned under 1.) is theoretically possible, but rendering
pointclouds in Nuke doesn't give a satisfying result yet.
Regards
Patrick
Am 17.10.2012 um 07:53 schrieb crunch fx:

?
?
?


On 10/17/12, adam jones <adam....@mac.com> wrote:
hey all

Being that I don't have Renderman install I can't test these things
my self,
so

If I had for example a cloud rendered with deep comp values could I

1. fly a nuke camera though it and see the changes in opacity and
density as
the camera passes though it

2. would there be a way in the 3D environment using the depth
values to have
the cloud represented as a 3D volume, similar to what a ppp can do
for other
3d renders in nukes 3d environment ? Might have answered my own
question
"deep to points"?

-adam


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