[Proj] Difference between same projections types
peifer at gmx.eu
Wed Feb 15 13:13:13 EST 2012
On 15/02/2012 10:48, support.mn at elisanet.fi wrote:
> the two first definitions are self sustained...
Just to add that the first definition is sort of over-defined:
+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs
+datum=WGS84 resolves already to: +ellps=WGS84 +towgs84=0,0,0. So you
double-define the ellipsoid (which however doesn't harm). cs2cs -v says:
#--- following specified but NOT used
+no_defs also doesn't have any impact in the above case.
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