d3.geoAlbers()

d3.geoTwoPointAzimuthalUsa()

armadillo.parallel([parallel]) Defaults to 20°.

d3.geoLagrange() d3.geoLagrangeRaw(n)

d3.geoInterruptedHomolosine()

d3.geoPatterson() d3.geoPattersonRaw

d3.geoPeirceQuincuncial()

d3.geoPolyhedral(root, face[, angle]) Defines a new polyhedral projection. The root is a spanning tree

d3.geoPolyconic() d3.geoPolyconicRaw

healpix.lobes([lobes]) If lobes is specified, sets the number of lobes (the parameter H in the literature)