projection(point) Returns a new array [x, y] (typically in pixels) representing the projected point of the
stream.sphere() Indicates the sphere (the globe; the unit sphere centered at ⟨0,0,0⟩).
graticule.extentMajor([extent]) If extent is specified, sets the major extent of this graticule. If extent
graticule.lines() Returns an array of GeoJSON LineString geometry objects, one for each meridian or parallel for this graticule
project.invert(x, y) The inverse of project
d3.geoProjectionMutator(factory) Constructs a new projection from the specified
d3.geoAzimuthalEquidistant() d3.geoAzimuthalEquidistantRaw
graticule.extentMinor([extent]) If extent is specified, sets the minor extent of this graticule. If extent
d3.geoCentroid(feature) Returns the spherical centroid of the specified GeoJSON feature. See also
circle(arguments…) Returns a new GeoJSON geometry object of type “Polygon” approximating a circle on the surface of a sphere
Page 2 of 8