Supported linear units, map projections, and projected coordinate systems Map projection parameters Name Sphere-only Parameters (key below) Aitoff yes lam0 Albers Equal Area Conic lam0 phi1 phi2 phi0 Azimuthal Equidistant lam0 phi0 Behrmann yes lam0 Bonne lam0 phi1 Cassini lam0 phi0 k0 Craster Parabolic yes lam0 Cube yes lam0 option Cylindrical Equal Area lam0 phi1 Double Stereographic lam0 phi0 k0 Eckert I yes lam0 Eckert II yes lam0 Eckert III yes lam0 Eckert IV yes lam0 Eckert V yes lam0 Eckert VI yes lam0 Equidistant Conic lam0 phi1 phi2 phi0 Equidistant Cylindrical yes lam0 phi1 Flat Polar Quartic yes lam0 Fuller yes option Gall Stereographic yes lam0 Gauss-Kruger lam0 phi0 k0 Gnomonic yes lamc phic Hammer-Aitoff yes lam0 Hotine Two Point lam1 phi1 lam2 phi2 phi0 k0 Hotine Azimuth lamc phic azi k0 Krovak lamc phic pphi1 azi k0 xscale yscale xyrotation Lambert Azimuthal Equal Area lam0 phi0 Lambert Conformal Conic lam0 phi1 phi2 phi0 k0