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Author Topic:   ramp question
Phi Curtis
Member 		posted 15 February 2011 21:45         Edit/Delete Message   Reply w/Quote
Hi,

I have a bug in something I'm working on, and so I'm trying to break down the problem by simplifying the code until I've isolated the bug. In doing that, I'm quite surprised to discover that this expression evaluates to "1":

(0 ramp: 1 s)

I would think this ramp would never happen and would always remain at zero.

I've noticed as well that an expression like (!Sw01 ramp: 1 s) evaluates to "1" at first launching of the VCS, even if !Sw01 is saved at zero in the VCS preset. After toggling !Sw01 on and off once it works as expected.

Is there a reason that the ramp: behavior is like this?

thanks,
Phil

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SSC
Administrator 		posted 16 February 2011 10:26         Edit/Delete Message   Reply w/Quote
The resting position of the ramp is 1. When it is triggered, it returns to zero and generates a ramp up to the value 1, where it rests until the next trigger.

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