equidistant map projection azimuthal equatorial flat equator azimutal projections aspect license ocean physical use
azimuthal equidistant map projection airy projections hemispheres error minimum harmonic hemi license 110w tobias jung compare physical
azimuthal map projection equidistant world save imgbin
projection azimuthal projections same azimuth mapping altitude radii ordered centred ordonnées quelques même comparaison échelle centrées azimutale rayons