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| Keywords: Proteus map (Stooke).jpg Original caption SHADED RELIEF MAP OF PROTEUShttp //publish uwo ca/~pjstooke/proteus txt Proteus gif is a shaded relief map of Proteus a small inner satellite of Neptune As with all maps it is the cartographer's interpretation and not all features are necessarily certain given the limited data available - this interpretation stretches the data as far as is feasible The original map was published in its full form with latitude-longitude grid and feature names in Stooke P J 1994 The Surfaces of Larissa and Proteus EARTH MOON AND PLANETS V 65 pp 31-54 Positions in the map are controlled by a digital shape model described in that paper For this map the three dimensional convex hull of the shape model was projected into the Morphographic Conformal Projection the conventional Stereographic Projection modified for non-spherical worlds The leading side longitude 90 runs vertically down the centre faces forwards in the orbit of Proteus The trailing side longitude 270 runs vertically down its centre faces backwards along the orbit Longitude 0 is at the righthand end of the leading side and faces Neptune As with all conformal true shape projections the scale in these maps varies increasing from the centre to the outer edge The map projection is described in Stooke P J and Keller C P 1990 Map Projections for Non-Spherical Worlds / the Variable-Radius Map Projections CARTOGRAPHICA V 27 No 2 pp 82-100 This version of the file with labels intact is in the public domain Philip Stooke Department of Geography University of Western Ontario London Ontario Canada N6A 5C2 stooke sscl uwo ca Stooke P J 1994 The Surfaces of Larissa and Proteus EARTH MOON AND PLANETS V 65 pp 31-54 1994 Stooke P J Stooke P J Original upload log en wikipedia Proteus_map_ 28Stooke 29 jpg 2006-01-05 22 48 Kwamikagami 400×640× 47753 bytes <nowiki>;Original caption SHADED RELIEF MAP OF PROTEUShttp //publish uwo ca/~pjstooke/proteus txt Proteus gif is a shaded relief map of Proteus a small inner satellite of Neptune As with all maps it is the cartographer's interpretation and not all feature</nowiki> Proteus moon | ||||
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