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Cox Projection (North polar aspect)

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Conformal projection of the Sphere within an equilateral triangle.

This is the North polar aspect, see the original Cox Projection (South polar aspect).

Original research by Philippe Rivière for d3-geo-projection, issue #118.

Read a write-up at visionscarto.net.

Reference papers:


[](https://github.com/Fil/) Questions and comments welcome on [gitter.im/d3](https://gitter.im/d3/d3), [twitter](https://twitter.com/@recifs) or [slack](https://d3js.slack.com).

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