.\
cgutmzone.pro
top cgUTMZone
Utility
result = cgUTMZone(longitude, latitude [, FORMAL=string])
This function returns the correct UTM zone for UTM map projections, given a longitude and latitude value. Southern hemisphere zones are indicated by a negative value.
Parameters
- longitude in required type=float
The requested longitude value east of the central meridian.
- latitude in required type=float
The requested latitude value in the range -90 to 90.
Keywords
- FORMAL out optional type=string
The formal UTM zone designation, with the zone number and band letter combined. For example, "32M".
Examples
For example, to find the UTM zone for London, England:
Print, cgUTMZone(-1.062, 51.5171, FORMAL=strDesignation)
30
Print, strDesignation
30U
Author information
- Author:
FANNING SOFTWARE CONSULTING:
David W. Fanning 1645 Sheely Drive Fort Collins, CO 80526 USA Phone: 970-221-0438 E-mail: david@idlcoyote.com Coyote's Guide to IDL Programming: http://www.idlcoyote.com- Copyright:
Copyright (c) 2012, Fanning Software Consulting, Inc.
- History:
Written, 8 August 2012. Modified to assure the UTM band index is always in range for polar map projections. 22 Sept 2012. DWF.
File attributes
| Modification date: | Fri Mar 27 11:07:41 2015 |
| Lines: | 129 |
| Docformat: | rst rst |