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Connect only those features with 'touching vertices' on a polyline layer using value from a specific column?

I have elevation layers with a Z column(altitude), and these layers contain hundreds and thousands of polylines that collectively(if connected to each other) would form just a handful of polylines. However, I cannot just select all features on the layer and click merge, because that would also connect polylines that perhaps belong to a smaller elevation group, even though the Z value is the same. So the key is only merging those polylines that have overlapping vertices. How to accomplish this in Cartographica?

See screenshot for visual example.

Thanks,

Eric

Eric Jarvies

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