Yeah, the usual way around it is to have 2 different objects with 2 different drivers/operators, then you can blend a constraint between the two of them via a custom parameter.
On 19 November 2012 18:34, Matt Lind <ml...@carbinestudios.com> wrote: > An Expression is an operator in Softimage. When an operator’s output > ports drive a parameter, the parameter is under full control of the > operator. As long as the parameter is driven by the operator, the only > control you have is the parameter value via the operator’s output. The > only way to regain manual control of the parameter is to mute or delete the > operator.**** > > ** ** > > Matt**** > > ** ** > > ** ** > > ** ** > > ** ** > > *From:* softimage-boun...@listproc.autodesk.com [mailto: > softimage-boun...@listproc.autodesk.com] *On Behalf Of *Byron Nash > *Sent:* Monday, November 19, 2012 10:28 AM > *To:* softimage@listproc.autodesk.com > *Subject:* Expression Question**** > > ** ** > > I have a simple expression question. I have some custom parameters driving > the animation of other objects. I would like to have a check box that > should link one parameter to the other. It sort of works but the value does > not change when I disable the check box. Here is my expression.**** > > ** ** > > *cond( AWD_Mower.Mower_Controls.Lock_Wheel_Height == 1, > AWD_Mower.Mower_Controls.Front_Wheel_Height, > AWD_Mower.Mower_Controls.Rear_Wheel_Height )* **** > > ** ** > > In case it's not obvious from the expression, I have two sliders, > "Front_Wheel_Height", and "Rear_Wheel_Height". And a checkbox called > "Lock_Wheel_Height". According to my expression, shouldn't the > "Rear_Wheel_Height" slider be adjustable when the check box is off? I have > the expression on the "Rear_Wheel_Height". When I disable the check box, > the slider jumps to a fixed value and will not change. When I enable it, it > follows the first slider as expected. **** > > ** ** > > Thanks,**** > > Byron**** >
