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Coordinate converters translate between latitude/longitude (geographic), UTM, and other projection systems.
Trinn-for-trinn guide
- 1Decimal degrees: 40.7128°N, 74.0060°W (precise)
- 2UTM: easting/northing in meters (projected)
- 3Conversions require map projection parameters
Løste eksempler
Inndata
New York: 40.7128°N, 74.0060°W
Resultat
UTM Zone 18N: 586,008 E, 4,512,590 N
Projected coordinates
Vanlige feil å unngå
- ✕Using wrong UTM zone (zones overlap; wrong zone = large error)
- ✕Not specifying ellipsoid/datum (WGS84 standard)
Ofte stilte spørsmål
When do you use each coordinate system?
Geographic (lat/lon): mapping, GPS. UTM: engineering, accurate distance/area. Projection choice matters.
Why do projections distort?
Can't flatten sphere without distortion. Different projections minimize different distortions (area, shape, distance).
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