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Define Universal Transverse Mercator projection zone
Syntax
zone = utmzone zone = utmzone(lat,long) zone = utmzone(mat) [latlim,lonlim] = utmzone(zone) lim = utmzone(zone) [zone,msg] = utmzone(...) [latlim,lonlim,msg] = utmzone(...)
Background
The Universal Transverse Mercator (UTM) system of projections tiles the world into quadrangles called zones. This function can be used to identify which zone is used for a geographic area, and conversely, what geographic limits apply to a UTM zone.
Description
zone = utmzone selects a Universal Transverse Mercator (UTM) zone with a graphical user interface. The zone designation is returned as a string.
zone = utmzone(lat,long) returns the UTM zone containing the geographic coordinates. If lat and long are vectors, the zone containing the geographic mean of the data set is returned. The geographic coordinates must be in units of degrees.
zone = utmzone(mat), where mat is or the form [lat long].
[latlim,lonlim] = utmzone(zone), where zone is a valid UTM zone designation, returns the geographic limits of the zone. Valid UTM zones designations are numbers, or numbers followed by a single letter. Example: '31' or '31N'. The returned limits are in units of degrees.
lim = utmzone(zone) returns the limits in a single vector output.
[zone,msg] = utmzone(...) and [latlim,lonlim,msg] = utmzone(...) returns a message if there is an error. msg is empty when there are no errors.
Examples
[latlim,lonlim] = utmzone('12F') latlim = -56 -48 lonlim = -114 -108 utmzone(latlim,lonlim) ans = 12F
Limitations
The UTM zone system is based on a regular division of the globe, with the exception of a few zones in northern Europe. utmzone does not account for these deviations.
See Also
utmgeoid |
Universal Transverse Mercator suggested ellipsoids |
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