alembic particle color!!

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hidalgo
Posts: 113
Joined: 03 Feb 2012, 20:50

alembic particle color!!

Post by hidalgo » 19 Feb 2014, 20:49

hi again,

i am trying to change the aspect of the particles coming from an alembic file, which are actually the same "slam" yellow of the traditional particles, someone know how to change theyre look? i know how to to it with ice particles, but not with Alembic particles, anyone?

thank you

Helli
Posts: 211
Joined: 04 Jun 2009, 11:21

Re: alembic particle color!!

Post by Helli » 20 Feb 2014, 13:01

Softimage doesn't know about what is in a Stadin.

To go around this you could store an attribute a.e. called colorScalar with a scalar value between 0 and 1.

Then as soon as you load the alembic you could use this scalar value in your rendertree to feed a gradient.

Don't forget to add an ice tree on the standin and just throw in a set.data(colorScalar). It doesnt need to be connected, but this seems to be the only way so Softimage knows about this attribute and you can use it in the rendertree.

hidalgo
Posts: 113
Joined: 03 Feb 2012, 20:50

Re: alembic particle color!!

Post by hidalgo » 23 Feb 2014, 18:38

Sorry Helli

would you mind explain a bit further where to create the attribute?
thanks

Helli
Posts: 211
Joined: 04 Jun 2009, 11:21

Re: alembic particle color!!

Post by Helli » 26 Feb 2014, 23:18

What happens if you add an ice tree on the alembic object and a.e. get an attribute like color and set it then. get.data(color)-->set.data(color)

Can you then use the color attribute in the rendertree a.e. ?

Bullit
Moderator
Posts: 2621
Joined: 24 May 2012, 09:44

Re: alembic particle color!!

Post by Bullit » 26 Feb 2014, 23:33

Sorry what do you mean by a. e. Helli?

Helli
Posts: 211
Joined: 04 Jun 2009, 11:21

Re: alembic particle color!!

Post by Helli » 28 Feb 2014, 23:23

sorry ;)
as example

Bullit
Moderator
Posts: 2621
Joined: 24 May 2012, 09:44

Re: alembic particle color!!

Post by Bullit » 28 Feb 2014, 23:55

Ok :)

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