Emit nParticles from texture and goal them?

[Steve Davy]

I have a project coming up where I may want to emit nParticles from a texture and goal them to the same point they are emitted from (in order to use their meshing capabilities to create, well, a model of a mesh!).

Can anyone point me in the right direction to achieve something like this? I don't think the emission part will be a problem, but I'm not sure how to get them to "stick" to the emitting surface in the same spot so that I can deform the emission geometry and have them move with it, which is what I'm going to want to do.

[matt estela]

works: http://www.tokeru.com/t/bin/view/Maya/MayaParticles#How_do_I_make_surface_emitted_pa

works better: SOuP and the scatter node:  http://www.soup-dev.com/examples2_2.htm

On 5 March 2013 15:00, Steve Davy <stevi...@hotmail.com> wrote:

I have a project coming up where I may want to emit nParticles from a texture and goal them to the same point they are emitted from (in order to use their meshing capabilities to create, well, a model of a mesh!).

Can anyone point me in the right direction to achieve something like this? I don't think the emission part will be a problem, but I'm not sure how to get them to "stick" to the emitting surface in the same spot so that I can deform the emission geometry and have them move with it, which is what I'm going to want to do.

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[matt estela]

and maybe the cocoon node (page down a little):   http://www.soup-dev.com/examples2_9.htm

[Michael Waltl]

You can use parentU And parentV as an particle expression to goal your particles back to their emission position. 

Create attribute parentU and parentV And goalU and goalV. 

Creation expression:

GoalU = parentU

GoalV = parentV

Make sure to turn use UV on in the basic emitter tab. 

Hope this helps
Michael

Am 05.03.2013 um 05:00 schrieb Steve Davy <stevi...@hotmail.com>:

I have a project coming up where I may want to emit nParticles from a texture and goal them to the same point they are emitted from (in order to use their meshing capabilities to create, well, a model of a mesh!).

Can anyone point me in the right direction to achieve something like this? I don't think the emission part will be a problem, but I'm not sure how to get them to "stick" to the emitting surface in the same spot so that I can deform the emission geometry and have them move with it, which is what I'm going to want to do.

--

[Steve Davy]

Ah yes parent and goal UV attributes! It's been a while, I'd forgotten that's actually pretty simple (even for a non particle person like me).

Is SoUP still a going concern? I remember a couple of years ago Peter Shipkov was working on a node-based editor for it to avoid having to get under the hood in Maya and make lots of difficult connections by hand. But it either never got finished, or never took off...?

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From: ma...@tokeru.com
Date: Tue, 5 Mar 2013 15:26:52 +1100
Subject: Re: [maya_he3d] Emit nParticles from texture and goal them?
To: maya...@googlegroups.com

[matt estela]

Soup is still bring actively developed afaik, the node editor UI may not be, but the core of it is still getting updates. 

Think of it as a gateway drug to Houdini. :)

[David Johnson]

Yeah, I think there were maybe 6 updates in the last year, both bug fixes and new features, so SOuP is still on the menu.

Maya's new(ish) node editor probably made the continued development of a soup alternative a bit redundant though.

David

On 5/03/2013 8:25 PM, matt estela wrote:

[matt estela]

god, the houdini guys must be kicking themselves over the lost pun-tential of the 'u' in 'SOuP'. it'd be hard to swallow. *boom tish*

[Keith Rogers]

Are you here all week Matt?

[matt estela]

i might be, but i wouldn't want you to stew on it, that'd be horrible. positively goulash.

[Keith Rogers]

I had a jacket potato with cheese and beans flavoured soup the other day.  Horrible.  And pointless.  Hungry now.

[Sachin Shrestha]

SOuP is going really strong and the last few updates have been fabulous. pointCloudToMesh, transformsToArray, cocoon nodes are some of the major highlights from the recent releases.

[ian zeigler]

This thread just made me want to get into soup again!!

and i love this guys videos!!  great to help wrap your head around diff ways of doing things in maya.

https://vimeo.com/23570192

https://vimeo.com/23438854

Ian Zeigler

3D Generalist/ Artist/

216-372-8664

ianzeigler.com

about.me/ian.zeigler