[Proj] cs2cs - specifying UTM zone on command line
martin.desruisseaux at geomatys.com
Mon Oct 29 15:03:27 EST 2018
>> On 29 Oct 2018, at 20:20, Robb Main <rmain.mws at gmail.com
>> <mailto:rmain.mws at gmail.com>> wrote:
>> (…snip…) I'd consider the UTM zone a part of the OUTPUT, whereas you
>> seem to consider it part of the required input (lat, long & UTM zone).
>> So in my case:
>> in: lat & long
>> out: UTM zone, easting & northing.
>> so the process would look more like:
>> $ echo 6 51 | proj +proj=utm +zone=auto
>> 31 710488.86 5654109.18
Actually such operation already exists in EPSG database (not sure if it
exists in Proj4 however). This is the Operation Method EPSG::9824 -
Transverse Mercator Zoned Grid System. The output is basically:
E = Z*10^6 + (result of projection for zone Z)
This is not widely used however.
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