Re: Pointcloud Point Lights
nice! On Wed, Jan 22, 2014 at 10:38 AM, Grahame Fuller < grahame.ful...@autodesk.com> wrote: > Pshaw, I say. > > [cid:image001.png@01CF1777.3263C4A0] > > gray > > (resending, original was too big) > > From: softimage-boun...@listproc.autodesk.com [mailto: > softimage-boun...@listproc.autodesk.com] On Behalf Of Ed Manning > Sent: Wednesday, January 22, 2014 1:28 PM > To: softimage@listproc.autodesk.com > Subject: Re: Pointcloud Point Lights > > no luck for Mental Ray huh? > >
Re: Pointcloud Point Lights
A long time ago, I used a object 2 pointcloud script to put a bunch of point lights onto a simulation, that was pre ICE, but I can't imagine that it wouldn't still be possible, there has to be some tools kicking around that will let you do that. Eric Freelance 3D and VFX animator http://vimeopro.com/user7979713/3d-work On Wed, Jan 22, 2014 at 11:10 AM, gareth bell wrote: > ah nuts. > > > -- > From: alan.fregt...@gmail.com > Date: Wed, 22 Jan 2014 11:09:28 -0500 > Subject: Re: Pointcloud Point Lights > To: softimage@listproc.autodesk.com > > As far as I know... nope. > > > > On Wed, Jan 22, 2014 at 11:02 AM, gareth bell wrote: > > Hey guys, > > I've got a pointcloud that shape instances a point light. Is it possible > to drive the light intensity of each instance based on (for example) the > particle size. If so - how do I go about it? > > Cheers > > G > > >
Re: Pointcloud Point Lights
I *think* you can do this using a kludge I used to get ICE color info into Redshift (but without the Redshift part of course!). Basically: - instead of creating one instance master point light, you make, say, 11 of them, one at 0 intensity, one at 0.1, one at 0.2, up to the last at 1.0. (you could increase the "bit depth " of your range by scripting this to make, say, 256 different lights. I wouldn't recommend trying to do 16-bit lighting) - select the lights in order of intensity (this is important) and make them an instance group. Now their order of instance group index matches their order of intensity. - in your particle cloud, use rescale and a scalar-to-integer node to get your intensity range into the corresponding integer index range (in my example, this is 0-10). - Set your shape instancer to use the integer range to set the group index. So now, when you instance the lights, all particles having an variable value of 0 get the light instance with 0 intensity, the ones from .001 to .1 get mapped to .1, and so forth. Like I said, it's a kludge. But it works, and with scripting, you could have a fair amount of intensity resolution. You can also do this with RGB color by using 3 lights per instance. On Wed, Jan 22, 2014 at 11:10 AM, gareth bell wrote: > ah nuts. > > > -- > From: alan.fregt...@gmail.com > Date: Wed, 22 Jan 2014 11:09:28 -0500 > Subject: Re: Pointcloud Point Lights > To: softimage@listproc.autodesk.com > > > As far as I know... nope. > > > > On Wed, Jan 22, 2014 at 11:02 AM, gareth bell wrote: > > Hey guys, > > I've got a pointcloud that shape instances a point light. Is it possible > to drive the light intensity of each instance based on (for example) the > particle size. If so - how do I go about it? > > Cheers > > G > > >
RE: Pointcloud Point Lights
ah nuts. From: alan.fregt...@gmail.com Date: Wed, 22 Jan 2014 11:09:28 -0500 Subject: Re: Pointcloud Point Lights To: softimage@listproc.autodesk.com As far as I know... nope. On Wed, Jan 22, 2014 at 11:02 AM, gareth bell wrote: Hey guys, I've got a pointcloud that shape instances a point light. Is it possible to drive the light intensity of each instance based on (for example) the particle size. If so - how do I go about it? Cheers G
Re: Pointcloud Point Lights
As far as I know... nope. On Wed, Jan 22, 2014 at 11:02 AM, gareth bell wrote: > Hey guys, > > I've got a pointcloud that shape instances a point light. Is it possible > to drive the light intensity of each instance based on (for example) the > particle size. If so - how do I go about it? > > Cheers > > G >
Pointcloud Point Lights
Hey guys, I've got a pointcloud that shape instances a point light. Is it possible to drive the light intensity of each instance based on (for example) the particle size. If so - how do I go about it? Cheers G
