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This version of a LinearSpread adds/removes slices from the center and phasing symmetrically to or from both it's outsides. It also handles non-integer spread counts by fading elements.
I always wanted to have this visual behaviour and was curious about a good solution for the odd/even problem. So, i started patching the logic in plain vvvv. Obviously, this needs some homework and then be translated to C# to be a single node.
As a drawback, the Output has an additional element when Spread Count is odd. Eventually the output shouldn't double the center item when interpolation is finished.
By now, the module doesn't gracefully deal with a Spread Count of 0.

As always, by publishing i mainly expect to learn how this could be done easier or much more elegant by reading the comments ;}

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