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Are elevations referenced to pixel centers or to a pixel corner?

April 26, 2017Centers corner elevations pixel referenced

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Are elevations referenced to pixel centers or to a pixel corner?

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The NED datasets are pixel centered, as are most raster datasets used in GIS applications. This is in contrast to older elevation-specific formats, such as USGS DEM, that are logically formatted as a series of equally spaced postings in variable length profiles.