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Transition Animations
A common requirement these days is to hide the transition between two sources with a brief animation. Here are some ways to do it.
A "User Transition"
With the "M/E | Transition | User Trans" feature, you can mix through an intermediate matte colour or video source. The source is selected in the Matte menu; choose the M/E (at the bottom of the screen), then touch the colour sample for PW2 - "Primary Wipe 2". (You could also use PW1 or a wipe on the Secondary Partition.) Then touch the "Base Colour" datapad, and choose "Utility 1" instead of Matte. On the Utility 1 bus of the M/E, select the source of your animation.
In the "M/E | Transition" menu, select one of the three User Transitions (eg User Trans 3), and adjust the transition characteristics (the speed of the mix to the animation and the mix to the next source). Now when you do a "User 3" transition, it will dissolve through your animation.
Now for the animation. If it's a constantly-moving sequence, it could come from a Kalypso Still Store Clip set to repeat constantly (by putting a negative number in the repeat count field), or it could come from a VTR/DDR constantly playing. Easy.
If the clip has a definite start/end, it needs to be triggered. This is best done with a Macro and/or E-Mem. For an external device, it could be triggered via GPI: you would create a Macro that fires the GPI, and pre-attach it to the AutoTrans button. If it was a Kalypso Clip, you could create an E-Mem that only triggers that Still Store to play; the Macro could run that E-Mem before performing the transition. You could even create a Macro that manually plays the clip, performs the transition, delays, then rewinds the clip ready for next time.
The advantage of a User Transition is that it can be done regardless of what else you are doing on the M/E; an E-Mem, on the other hand, will force some keys "active" and others "off". It also frees-up a keyer (although it does interact with the Secondary Partition, since it uses a Utility).
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