[Qgis-user] coordinate conversion
francesco_lucca
circeo78 at hotmail.com
Thu Nov 12 10:01:26 PST 2015
Hi,
I have a point in WGS84 UTM32 coordinate
E 589747.816
N 4871699.496
I saved in EPSG 3003 with the following coordinates:
E 1589776.553
N 4871716.117
A colleague made the same conversion using free software "traspunto"
(http://www.mondogis.com/traspunto.html) developed by the Italian
Enviromental Ministry. He got this result (EPSG 3003 coordinates):
E 1589776.054
N 4871716.382
I try another online tool
(http://www.sardegnageoportale.it/webgis/raswebconverter/index?stato_quale=punto)
and I found these EPSG3003 coordinates:
E 1589776.554
N 4871716.119
Summary: QGIS and sardegnageoportale seem to give the same results,
traspunto is different (0.50 meter difference). Which is the correct result?
Where can I found the calculation for the conversion from a system to
another?
Thanks
Francesco
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