Re: constant pass

[Alan Jones <skyphyr(at)gmail.com>]

That's the one - just a couple more notes to add to it.
Switch off specular on the light and it should be pointing downwards along the Y axis.

Cheers,

Alan.

On 10/31/05, peter_b <peter_b(at)skynet.be> wrote:

 

It seems like  hiding the lights and setting the ambiance to 1 works for our purposes... Thanx

 

you will get the ambience color though, not the diffuse.

if you allways set up materials to have same ambience and diffuse its fine, but I rarely touch ambience ever.

 

 

there was this neat little trick that came up here some time ago, I think by Alan Jones:

 

hide all lights

add 1 infinite white light, oriented along y axis.

 

add an override on the background partition, in the override add bump_map.

bring up a rendertree of the override, plug in a vector_savestate set to 0 1 0 (corresponds to the y axis)

 

voila!

constant diffuse pass.

I dont know if there are limitations to this, but its the most elegant solution I know.

 

 

 

 

g

----- Original Message -----

From: Michael Klein

To: XSI(at)Softimage.COM

Sent: Monday, October 31, 2005 3:29 PM

Subject: RE: constant pass

Sure ... answered to fast by instinct instead of thinking.

Bad instinct ... which scares me a bit ... age problem?

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From: owner-xsi(at)Softimage.COM [mailto:owner-xsi(at)Softimage.COM] On Behalf Of kim aldis
Sent: Monday, October 31, 2005 1:38 PM
To: XSI(at)Softimage.COM
Subject: RE: constant pass

you can't set ambience on a pass or partition and the ambience of the objects may not be, in fact probably won't be, the same as the diffuse colour of objects.

 

As Dan points out, you can drive the scene ambience by adding parameters to an object that can be placed into a partition. Has to be some kind of geometry so you'll need to hide it but what you do is place rgb custom parameters on the object then express the scene ambience to them. Then place the object into a partition and add overrides to the parameters. (Thanks to Brad for that one)

 

the colour, that's a whole nother thing. Not sure about that one.

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From: owner-xsi(at)Softimage.COM [mailto:owner-xsi(at)Softimage.COM] On Behalf Of Michael Klein
Sent: 31-October-2005 12:06
To: XSI(at)Softimage.COM
Subject: RE: constant pass

Hide lights and set Ambient to 1,1,1 of this pass?

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From: owner-xsi(at)Softimage.COM [mailto:owner-xsi(at)Softimage.COM] On Behalf Of Gerbrand Nel
Sent: Monday, October 31, 2005 11:43 AM
To: XSI(at)Softimage.COM
Subject: constant pass

Hi.

 I'm looking for a way to set up a constant pass... in other words, a pass with all the color info but none of the shading

 

Thanx

 

Gerbrand

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