Hi All,

I've got a video stream that has been split into numerous horizontal
strips, 32 in total. Is there a simple way to combine these strips back
into a single image?

Chaining together 'Composite Add' operators into a tree works, but is
computationally expensive, hard to set up, and worst of all it produces
graphical artifacts.

I can use multiple billboards, but again this requires quite a lot of
work. 
What I really want is a common, shared destination that my 32 Crop
operators can all write to, is this possible?

Is there a better way altogether?

Any help greatly appreciated!

Thanks
Oli
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