utmzone

UTM zone from latitude and longitude

Syntax

zone = utmzone

zone = utmzone(lat,lon)

[latlim,lonlim] = utmzone(queryZone)

Description

zone = utmzone opens the Pick UTM Zone dialog box, which enables you to interactively identify a Universal Transverse Mercator (UTM) zone by clicking a world map. For more information about UTM zones, see Create UTM Maps.

zone = utmzone(lat,lon) identifies the UTM zone that contains the latitude-longitude coordinates specified by lat and lon. When you specify the coordinates of more than one point, the function identifies the UTM zone using the geographic mean of the points.

[latlim,lonlim] = utmzone(queryZone) identifies the latitude and longitude limits of the UTM zone queryZone.

Examples

Identify UTM Zone from Geographic Coordinates

Specify the geographic coordinates of the MathWorks Lakeside Campus in Natick, MA. Then, find the UTM zone that contains the coordinates.

lat = 42.3013;
lon = -71.3782;
zone = utmzone(lat,lon)

zone = 
'19T'

Identify Geographic Limits of UTM Zone

Identify the latitude and longitude limits of UTM zone 19F, which contains the southern tip of South America. Specify the UTM zone using a zone number and latitude band letter.

[latlim,lonlim] = utmzone("19F")

latlim = 1×2

   -56   -48

lonlim = 1×2

   -72   -66

Input Arguments

lat — Latitude coordinates in degrees

scalar | vector | matrix

Latitude coordinates in degrees, specified as scalar, vector, or matrix. Each latitude coordinate must be in the range [–80, 84].

• When lat and lon define a single point, the utmzone function finds the UTM zone containing the point.

• When lat and lon define multiple points, the utmzone function finds the UTM zone containing the geographic mean of the points.

The sizes of lat and lon must match.

Data Types: single | double

lon — Longitude coordinates in degrees

scalar | vector | matrix

Longitude coordinates in degrees, specified as scalar, vector, or matrix. Each longitude coordinate must be in the range [–180, 180].

• When lat and lon define a single point, the utmzone function finds the UTM zone containing the point.

• When lat and lon define multiple points, the utmzone function finds the UTM zone containing the geographic mean of the points.

The sizes of lat and lon must match.

Data Types: single | double

queryZone — UTM zone

character vector | string scalar

UTM zone, specified as a character vector or a string scalar in one of these forms:

• Zone number — An integer from 1 to 60, such as "19".

• Zone number and latitude band letter — An integer from 1 to 60 followed by a letter from C to X (excluding I and O), such as "19T". The letters are case-insensitive. The letters N and S refer to latitude band letters, not the northern and southern hemispheres.

Data Types: char | string

Output Arguments

zone — UTM zone

character vector

UTM zone, returned as a character vector.

• When lat and lon are scalars, zone is the UTM zone that contains the coordinates.

• When lat and lon are vectors or matrices, zone is the UTM zone that contains the geographic mean of the coordinates.

The UTM zone returned by the utmzone function contains a zone number from 1 to 60 and a latitude band letter from C to X (excluding I and O). The letters N and S refer to latitude band letters, not the northern and southern hemispheres.

Data Types: char

latlim — Latitude limits of UTM zone

two-element vector

Latitude limits of the UTM zone, returned as a two-element vector.

Data Types: double

lonlim — Longitude limits of UTM zone

two-element vector

Longitude limits of the UTM zone, returned as a two-element vector.

Data Types: double

Alternative Functionality

To identify a UTM zone by clicking a map, use the utmzoneui function.

Version History

Introduced before R2006a

R2023b: Query nonstandard zones in northern Europe, and adjust dialog box size

The utmzone function enables you to query the nonstandard zones in northern Europe: 30V, 31V, 32V, 31X, 33X, 35X, and 37X. In earlier releases, the function did not account for nonstandard zones.

The Pick UTM Zone dialog box is resizable and has an improved appearance.

R2012b: Some syntaxes of utmzone will be removed

Syntaxes of the utmzone function that combine multiple arguments into one argument will be removed in a future release. Use a syntax that separates the argument into two arguments, instead.

This table shows the syntaxes of the utmzone function that will be removed and how to update your code.

Will Be Removed	Recommended
mat = [lat lon]; zone = utmzone(mat);	zone = utmzone(lat,lon);
lim = utmzone(queryZone); latlim = lim(1:2); lonlim = lim(3:4);	[latlim,lonlim] = utmzone(queryZone);