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    rochem
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How is Scroller Data Recorded?

So I've been wondering about this for a while now, and I've never really had a chance to experiment when I have scrollers in the rig to figure this out. What data exactly is recorded when dealing with scrollers? If I set a scroller to [Color] [13] and record a cue, is it recording Frame 5 of whatever size scroll you have, that specific color, or just the DMX value for that particular frame on that particular scroll? What if I set it using [Color] [3] / [161] (gel picker)? What's recorded then? If I for some reason get new scrolls, will the console recognize this and still go to frame 13, or still go to L161 regardless of frame, or something else?

What about calibration? If I record a couple cues, then realize my calibration is off, will recalibrating after the fact update the raw values in all those cues I've already recorded? Same question for Palettes. I tend to group my Color Palettes by color, so my L161 frame will be CP-161 regardless of whether that's frame 3 or frame 20, then I also have scroll-specific CPs at some higher number. If I go through and create all these references, then go back and calibrate each scroller, will it update? Or is it better for me to just ignore calibration and "calibrate" each scroll directly into my color palettes? On that note, do most people use CPs for scroll frames, or do you just find it easier to record the "F 5 L161" value (from [Color] [5]) directly into cues?

Sorry for all the questions, I'm just curious. Thanks in advance!!

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  • I don't think the console would recognize the colour, and would still go to frame 13.

    When you record the colour data, as far as I'm aware, it will only store what frame the unit was in and not what the colour was when it was recorded. If you was to change a scroll, you would have to go back through your cues and update them all. If you used colour pallets though, just simply change the frame in your colour pallet and all will be happy!

    Think of the frames of a scroller as pre-defined colour palletes for your scrollers. If you calibrate a scroll, it updates the frame and in turn, wherever that frame is referenced, it would be updated.

    As far as I'm aware, the way the desk works out where each frame is (by default), is by 255 divided by how many frames you tell the desk the unit has. So for instance, if you only had 5 colours in a scroll, the desk would do 255 / 5 = 51, so it would think that DMX value 51 was the split between colour 1 and colour 2. To get the center of a frame, it would divide that value by 2, giving the first frame a value of 25.5. If you was to calibrate a scroller, it would move that value of 25.5 to what the value is at the time when you press calibrate.

     

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  • I don't think the console would recognize the colour, and would still go to frame 13.

    When you record the colour data, as far as I'm aware, it will only store what frame the unit was in and not what the colour was when it was recorded. If you was to change a scroll, you would have to go back through your cues and update them all. If you used colour pallets though, just simply change the frame in your colour pallet and all will be happy!

    Think of the frames of a scroller as pre-defined colour palletes for your scrollers. If you calibrate a scroll, it updates the frame and in turn, wherever that frame is referenced, it would be updated.

    As far as I'm aware, the way the desk works out where each frame is (by default), is by 255 divided by how many frames you tell the desk the unit has. So for instance, if you only had 5 colours in a scroll, the desk would do 255 / 5 = 51, so it would think that DMX value 51 was the split between colour 1 and colour 2. To get the center of a frame, it would divide that value by 2, giving the first frame a value of 25.5. If you was to calibrate a scroller, it would move that value of 25.5 to what the value is at the time when you press calibrate.

     

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