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DISPLAY OF PIXEL LOSS AND REPLICATION IN REPROJECTING RASTER DATA FROM THE SINUSOIDAL PROJECTION
Citation:
White, R D. DISPLAY OF PIXEL LOSS AND REPLICATION IN REPROJECTING RASTER DATA FROM THE SINUSOIDAL PROJECTION. Geocarto International. Geocarto International Centre, Hong Kong, China, 21(2):19-22, (2006).
Impact/Purpose:
To use sinusoidal projection as a basis for evaluating pixel loss and replication in planar map projections
Description:
Recent studies show the sinusoidal projection to be a superior planar projection for representing global raster datasets. This study uses the sinusoidal projection as a basis for evaluating pixel loss and replication in eight other planar map projections. The percent of pixels represented accurately as a single pixel when projected from the sinusoidal to one of the other projections ranged from a low of about 58% for the Van der Grinten projection to a high of about 83% for the Mollweide projection. The graphic display of these losses and gains of pixels had revealing patterns, for example, large values of replication in the higher latitudes of cylindrical projections.