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I am attempting to use turf.concave to get a polygon. It works with most of the points I put in, but with one set of points, it takes offense and throws the following error:

Uncaught TopologyError: no outgoing dirEdge found [ (-121.9717867, 47.73397465) ]

The file with the data I am attempting to use is located here.

The function is simply:

turf.concave(<mygeojson>, 1, 'miles')

And, as I said, it works with all the other FeatureCollections. Any idea why it wouldn't work with this one?

samcorcos
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