Adjective
equirectangular (not comparable)
(cartography) Mapping meridians to equally-spaced vertical straight lines, and circles of latitude to evenly-spread horizontal straight lines.
Easily switch between editing formats and export to a variety of formats, including Fisheye, Cube-Map Facebook 3:2, Cube-Map Pano 2VR 3:2, Cube-Map GearVR 6:1, Equirectangular 16:9, Cube-Map 4:3, Sphere Map, and Equirectangular 2:1. Source: Internet