how to have a `d3.lineRadial()` as closed path?

[zzeligg]

with d3 v4, how can I do the equivalent of:

d3.svg.line.radial().interpolate("linear-closed")

I tried following how lineRadial was instantiated and I suspect I might have to pass a parameter or call some method on it (instead of interpolate).

Thanks for helping!

[mlimon]

try this: radarLine.curve(d3.curveCardinalClosed); // in D3 v4

[mbostock]

Yep, or d3.curveLinearClosed.

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