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 Post subject: Various useful compounds
PostPosted: 28 Mar 2012, 14:51 
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Joined: 15 Dec 2009, 10:12
Posts: 19
Hey everyone,

I wanted to share some of my compounds here, which I recently posted on my blog. I really tried to make them work as flawless as possible but let me know if you have any issues or ideas for improvement.


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PostPosted: 28 Mar 2012, 14:54 
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Cluster to Weightmap

As the name implies it converts clusters to weightmaps. Whats nice though is that it accept all types of clusters (point,polygon,edge) and adds the ability to grow and/or smooth the resulting weightmap.
Remember that you have to create the weightmap before you create the Icetree to make this work.

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Cluster to Weightmap

Create Copies along Curve

I don’t think there is an easy way to do this with the build-in topology compounds plus it has some other nice features:
  • supports both open and closed curves
  • nice controls to interactively position, scale and rotate your copies on the curve
  • copies will be evenly spaced along the curve
  • the copies nicely align to the curve, you shouldn’t run into any problems with flipping normals on s-shaped curves.
  • transfers UV’s

Image
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Create copies along curve

Neural Net

Another take on motiongraphics currently most popular effect: emits particles and connects them with strands. This one is

  • pretty fast
  • works both in a simulated and non-simulated environment
  • two modes of stand creation: closest points & random
  • turbulice and grow the strands

Image

Here is a quick viewport capture of 750 particles being emited per second, each growing 30 connections to its neighbours:


Neural Net

Emit from Polygons

This compound is thought to be used in a non-simulated environment and the emitter mesh should ideally consist of quads only. The idea behind this compound was to quickly create coral like structures by emitting instances from polygon centers and scaling them according to the polygon they’ve been emited from. This helps to prevent instances from penetrating each other, and also results in a more natural, organic look. A more detailed explanation of the various parameters can be found on my blog...

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Emit from Polygons

Quantize Values

This one is a bit techy, but proved useful to me. It takes a set or array of scalar values and spits out quantized values based on a quantization step. An image (hopefully) explains more than thousand words :)

Image

Quantize Values

Have fun!


Last edited by Mossman on 02 Apr 2012, 12:34, edited 10 times in total.

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 Post subject: Re: Various useful compounds
PostPosted: 28 Mar 2012, 15:03 
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Joined: 24 Sep 2010, 18:28
Posts: 595
Neural Net looks awesome, thank you! :ymhug:

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 Post subject: Re: Various useful compounds
PostPosted: 28 Mar 2012, 15:47 
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Joined: 15 Dec 2009, 10:12
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Still trying to pack everything into one post...


Last edited by Mossman on 28 Mar 2012, 16:51, edited 2 times in total.

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 Post subject: Re: Various useful compounds
PostPosted: 28 Mar 2012, 16:08 
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Joined: 24 Sep 2010, 18:28
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There is a problem with Neural Net compound, - Number of Particles per Second rate type doesn't work on simulation or modeling stack

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 Post subject: Re: Various useful compounds
PostPosted: 28 Mar 2012, 16:18 
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Joined: 15 Dec 2009, 10:12
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You have to activate "time varying", otherwise all partices are emitted on the same spot. It works the same way in the normal "Emit from geometry" node, only that it's on there by default...


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 Post subject: Re: Various useful compounds
PostPosted: 28 Mar 2012, 16:24 
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Joined: 24 Sep 2010, 18:28
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Mossman wrote:
You have to activate "time varying", otherwise all partices are emitted on the same spot. It works the same way in the normal "Emit from geometry" node, only that it's on there by default...

Yes, it's not checked by default, I haven't noticed this. Thanks again! :)

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 Post subject: Re: Various useful compounds
PostPosted: 29 Mar 2012, 11:57 
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Joined: 05 Sep 2011, 22:57
Posts: 43
Location: Berlin
the "Create Copies along Curve" rocks and i was trying to do something similar the last days - it works but your is much more smooth!
have you tried making a strand version? same thing that you can do with that compound, but with strands made out of a curve.


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 Post subject: Re: Various useful compounds
PostPosted: 29 Mar 2012, 15:25 
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Joined: 09 Jul 2009, 08:59
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Location: Close to The Hague, Netherlands
Hi Felix,

Kudos again for sharing these again. They're a great addon (pun intended) to the ICE tools. :-bd

rob

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 Post subject: Re: Various useful compounds
PostPosted: 29 Mar 2012, 18:03 
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Joined: 25 Nov 2010, 19:23
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Location: Edmonton, Canada
Great stuff as always! :D

Thanks Mossman.

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