[Sidefx-houdini-list] autorig+muscles

Calin Casian calin at sidefx.com
Tue Aug 8 13:34:47 EDT 2006

On the muscle profile you have 2 more profiles to choose from. Model the
muscle the way you want it and then use the blend parm to blend between
different shapes using keyframe animation or all sorts of expressions,
boneangle for start.


> Hi Joe
> thanks for reply!
> Yes I am using 8.1 and I have muscle node
> all this additional info will help me for sure
> I have muscle (basic biceps) attached now, what I cant do is set nice
> volume
> for it with  additional profiles
> I enabled additional profiles and dont know how to set them so that muscle
> shrinks at both ends?
> Zoran
> On 8/8/06, Joe Drew <joe at sidefx.com> wrote:
>> zoran arizanovic wrote:
>> > I got muscle setup file from exchange.
>> > I am checking it to see how to set it up on my own.
>> > what would be procedure later for putting skin over it?
>> > since muscles are metaballs there could be something like magnet
>> example
>> in
>> > help.
>> Zoran, are you using Houdini 8.1? It's got the muscle object built-in,
>> which is faster than using the asset on the exchange.
>> To use them, you parent the muscle object to a minimum of two other
>> objects (usually nulls parented to your bones). Set them all up under
>> your skin geometry, then type tab > Capture Geometry. In the upper
>> left-hand corner, you'll see "Capture Type" - change it to Metaball and
>> then select your skin. Select all your muscles as the capturing muscles.
>> The process is then the same as with bone capture - Paint Capture Layer,
>> etc. The main difference with painting is that you can't Ctrl+
>> middle-click on the muscles to choose them. That's why we added the
>> Region Selector option to the Paint Capture Layer tool - you can just
>> brush on the skin to select a colour (which will be displayed in the
>> viewport), then paint with it.
>> I should note that we usually turn off the display of muscles after
>> they're set up, since displaying the metaballs is very slow. Skinning is
>> quite fast though.
>> Let me know if you have any other questions!
>> Joe
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> --
> Zoran Arizanovic
> http://arizanovic.blogspot.com/
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C A L I N   C A S I A N
Product Specialist

Side Effects Sofrware
e-mail: calin at sidefx.com
tel: (416) 5049876

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