Unfortunately you cannot access a sub's parameters in IV at this time.
You can make the sub adaptive them constrain the rack to the top level and
drive it this way.
--
Sean Dotson, PE
http://www.sdotson.com
Check the Inventor FAQ for most common questions
www.sdotson.com/faq.html
-----------------------------------------------------------------------
"Jason M" wrote in message
news:8E9F9D32DF6B275168F84D1CCB321BD2@in.WebX.maYIadrTaRb...
> Okay...
>
> I've got a large assembly, and one of the sub's is a rack-and-pinion
> drive thingy. As I'm building, I drive the constraint for the rack to
> move my big assy around. I want to add a constraint in the big assy
> that references the value of the driven parameter in the sub. How can I
> do this? My first attempts have me doing this:
>
> max(Drive/d13-2.25-0.75;-0.75)
>
> I place that in the constraint 'offset' for the parameter I want to
> change. That's how I want it to behave. But, I can't get past the
> "Drive/d13" part. That's not supposed to be a division, that's the name
> I get for the parameter "drive" when I pause my mouse over it in the
> browser.
>
> Any ideas?
> -Jason
>