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z-factor - [coordinate systems] A conversion factor used to adjust vertical and horizontal measurements into the same unit of measure. Specifically, the number of vertical units (z-units) in each horizontal unit. For example, if a surface's horizontal units are meters and its elevation (z) is measured in feet, the z-factor is 0.3048 (the number of meters in a foot).
[Category=Geospatial ]
Source: esri, 16 October 2012 09:22:24, http://support.esri.com/en/knowledgebase/GISDictionary/term/abbreviation
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