[Sidefx-houdini-list] Does $CH works in CHOPs?

François Duchesneau sidefx at trinix.ca
Wed Sep 7 11:37:40 EDT 2011

I think what you need is to use an Expression Chop and use the many 
available expressions like ioc() etc and their variables like $C, $I.

You can manipulate any data this way. Have a look at Vop Chop too.

Hope this help.


Pablo Giménez wrote:
> Hi All.
> I a mtrying to get modify some chopd to get variations based on point id.
> For instance in a jiggle chop you use channels t[xyz]$PT.
> What I want to do is to extract the point id string and get a random number
> from it to modify the jiggle per point.
> In the help says $CH return the name of the current channel:
> http://www.sidefx.com/docs/houdini11.0/expressions/_globals
> But trying something like:
> atof(strreplace($CH, "tx", ""))
> Doesnt work alway returns zero.
> Any idea how to do something like this?
> Thanks!

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