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500 series programming question


Kate Bonney

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Right-o, here's what I'm trying to achieve. I have a cue which contains a live Mac250 move which follows an actress from one position to another (and yes, we have an actress who manages to find it and stay in it). However, being a Mac250, it's a wee bit jerky at the start and end of the move and looks mechanical rather than human. I haven't tried awfully hard yet. What I have tried is plotting three point cues with a times of 5sec, 3sec and 5sec which looks pap. I think playing around with times and wait times might work but really I'm looking for something a bit more suave.

Any ideas??

K

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Yes, you can use profiles to 'shape' the way that a fade runs. To apply profile 1 to the attributes fading with cue one, use the following command line :

[CUE] [1] [@ATT] [PROFILE] [1] [*]

 

Profile 98 is a pre-defined S-curve profile which will give you a 'soft' start and finish to the fade. Worth a go ....

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Afternoon.

 

Have you tried changing the attribute control timing channels for the Pan & Tilt?

 

This will only work if you have set up the Mac unit in the correct mode eg. 16bit extended and patched the unit on your Lx to match ie also 16bit extended mode.

If so then play around with the timings to get a smooth movement from start to finish.

In the Mac user manual you should find the Timing contriol tables - this lists the DMX values for a range of times from 0 secs to 5 mins or more.

 

Its abit of trial & error to get the perfect movement.

Have a go and tell us the results.

 

Good luck.

 

NB. the more units you have set to 16bit extended the more attribute channels you use up on your desk. Make sure you have plenty to use.

:)

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Assigning profile 98 works and I love it. Every day's a school day. It's still a little crude but I think that's the joys of slightly elderly cantankerous Mac250s. Multi-meter, I'm not entirely sure what you mean. I presume that once I set the unit to extended mode (though I can't say I've ever seen this in the menu structure) I would need to write an extended fixture profile too? I think the problem is solved with the profile method but I'd like to know more...

Thank you gents,

K

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Glad it worked for you. If you're still not quite happy with the movement curve that the pre-defined profile gives you, don't forget that you can create your own - the process looks a bit daunting if you haven't done it before, but it's not that difficult.

 

Edit : Just to add a quick explanation of Multimeter's slightly confusing (!) post ... the "16-bit extended" mode that he's referring to is what it's called on the newer Mac250s (Entours and Kryptons) - on the older kind of 250s which you have, what you're looking for is Mode 4 (access via PSET in the menu). What this does is to give you two timing channels (one for movement, one for effects) which, on slower moves, can sometimes be useful for giving you a smoother movement across a large distance than you might get from a simple 8-bit timed fade from the desk.

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