TreeLayout node aggregation question

@av8orbynight wrote:

Does GoJS have build-in functionality allowing child data node aggregation? For example, if Child1.someField=2 and Child2.someField=3, then I would like Parent.someField=5, ...and so on, recursively.

I seem to remember d3 has an aggregate construct for trees but I can't seem to find in the docs/samples in Go.

I'm delving into trees now for the first time, so if there's a GoJS recursive construct I'm missing which would help me avoid doing server-side aggregation it'd be ideal.

Thanks,

K

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