[Therion] Geodetic coordinate system support in therion

Duncan Collis duncan.collis at gmail.com
Sun Oct 22 17:13:25 CEST 2006


What happens if you fix two points which happen to lie in different UTM zones?
This situation occurs in one of our project areas, which straddles a
UTM zone boundary.

Duncan

On 10/18/06, Philip Schuchardt <ohc at vt.edu> wrote:
> Excellent.
>
> On Wednesday 18 October 2006 9:40 am, Stacho Mudrak wrote:
> > In the last developement snapshot, there is integrated PROJ4 library that
> > enables therion to work with geodetic coordinate systems (currently UTM
> and
> > Lat/Long and czechoslovak JTSK :).
> >
> > Usage is simple:
> >
> > cs long-lat
> > fix 0 19:10 40:30 1500
> >
> > will fix point 0 at E19deg10min N40deg30min 1500 m a.s.l. The output in
> > this case will be in UTM zone 34 grid (zone automatically calculated).
> >
> > If you would like add and use your national coordinate systems, please ask
> > for it.
> >
> > If you do not like it, nothing happens and ad-hoc local coordinate system
> > will be used by default as before.
> >
> > S.
> >
> > P.S. If you will ask for your CS, it would be great if you could send us
> > parametrization string of your coordinate system in PROJ4 library format
> > (see http://proj.maptools.org).
> >
> > _______________________________________________
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> > Therion at speleo.cz
> > http://www.speleo.cz/mailman/listinfo/therion
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