[Proj] cs2cs's +towgs84 usage
j.l.h.hartmann at uva.nl
Sat Apr 24 04:10:02 EST 2010
On 04/23/10 21:02, Clifford J Mugnier wrote:
> Interesting to note that the "European" convention is left-handed in
> geodetic 7-parameter transformations just as it is left-handed in
> their photogrammetric transformations and also was with their old
> European opto-mechanical stereoplotters.
> The "American' convention is right-handed in geodetic 7-parameter
> transformations just as it is right-handed in their photogrammetric
> transformations and also was with their old American opto-mechanical
> Both sides of the Atlantic have been pretty consistent for over a
> century ... that's not arbitrary to me.
It's all because of the longer history we have here in Europe. See:
and a few others if you search Google :-)
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