d3.geoLength(feature) Returns the great-arc length of the specified GeoJSON feature in

d3.geoRotation(angles) Returns a rotation function

projection(point) Returns a new array [x, y] (typically in pixels) representing the projected point of the

d3.geoConicConformal() d3.geoConicConformalRaw(phi0, phi1)

graticule.extentMajor([extent]) If extent is specified, sets the major extent of this graticule. If extent

stream.sphere() Indicates the sphere (the globe; the unit sphere centered at ⟨0,0,0⟩).

d3.geoAzimuthalEquidistant() d3.geoAzimuthalEquidistantRaw

graticule.precision([angle]) If precision is specified, sets the precision for this graticule, in degrees.

stream.polygonStart() Indicates the start of a polygon. The first line of a polygon indicates the exterior ring, and any subsequent

stream.lineStart() Indicates the start of a line or ring. Within a polygon, indicates the start of a ring. The first ring of