Is it possible to randomize the trigger of an effect?

We're shooting "Poor Man's Process" of some vehicles over the next few weeks. On our trusses we have a combination of ETC Pearls, Vivid-R's, Clay Paky Sharpy's and 1200 Washes. I've created a handful of chase effects for each of these different instruments. These are all Absolute effects using Presets as the values. I can't really use step-based effects even if I wanted to since I need to be able to control color (and in the case of moving lights: pan/tilt).

Here's a simple example of what I'd like to do: I have an effect of a streetlight passing overhead by running a 1 cycle chase across a line of Vivid-R's. I put this effect on a submaster, so I can hit the bump button and one streetlight will pass overhead. I would now like to randomize when this effect occurs. The only 'randomizing' feature I've seen on the board is to do a 'random rate' within an effect. The problem is, I don't want to change the speed of the effect itself, but merely change the timing between each trigger of the effect.

Ideally, I would love to create a short Cue List with 2 Cues: Cue 1 runs 1 pass of the effect (which takes around 2 seconds), then Cue 2 is an empty cue that links back to cue 1, but follows somewhere between 2-5 seconds. Therefore, I would have a streetlight pass that happens randomly every 2-5 seconds.

Is this possible?

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  • Hey Tom,

    Probably too late for what you were working on, but for the future... I think the way to do it would be to create a second effect, a "dummy effect," where only the last channel would be an active dimmer.  Set the profile of that dimmer to be Full at 1%.  Then, plug that channel into a relay connected to the remote trigger port on the back of the ION.  (Make sure the 120V is only triggereing the relay and that the 12V from the board feeds back to the remote trigger port)Then set up the remote trigger to either bump your submaster button, or run a cue, whichever you prefer.  By giving a random rate for the "dummy effect" it would randomize the time when that "trigger channel" came up, thereby randomizing the time when your actual effect was to be run.  Should be pretty simple actually.

     

    - Art Whitehead

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  • Hey Tom,

    Probably too late for what you were working on, but for the future... I think the way to do it would be to create a second effect, a "dummy effect," where only the last channel would be an active dimmer.  Set the profile of that dimmer to be Full at 1%.  Then, plug that channel into a relay connected to the remote trigger port on the back of the ION.  (Make sure the 120V is only triggereing the relay and that the 12V from the board feeds back to the remote trigger port)Then set up the remote trigger to either bump your submaster button, or run a cue, whichever you prefer.  By giving a random rate for the "dummy effect" it would randomize the time when that "trigger channel" came up, thereby randomizing the time when your actual effect was to be run.  Should be pretty simple actually.

     

    - Art Whitehead

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