graticule.extentMinor([extent]) If extent is specified, sets the minor extent of this graticule. If extent

d3.geoAzimuthalEquidistant() d3.geoAzimuthalEquidistantRaw

d3.geoBounds(feature) Returns the spherical

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

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

project.invert(x, y) The inverse of project

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⟩).

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

graticule.lines() Returns an array of GeoJSON LineString geometry objects, one for each meridian or parallel for this graticule