[Proj] Equal Arc Projection, GeoTIFF, and GDAL/Proj4

Charles Karney charles.karney at sri.com
Sun Mar 2 12:09:55 EST 2014

Sorry, that's badly worded.  The increments in "x" are equal longitude
arcs and the increments in "y" are equal latitude arcs.  Typically these
two increments are different (although for data close to the equator
they will often be the same.)

On 03/02/2014 12:02 PM, Hermann Peifer wrote:
> Charles,
> Further below, you wrote:
>  >>>>> Equal arc just means equal arc increments in latitude
>  >>>>> and longitude.
> Then your example 004VB41A.I23 comes with:
>  >>>  Pixel Size = (0.000073242187500,-0.000044956841432)
> To me, the above resolution doesn't look like equal increments in
> latitude and longitude. What am I missing here?
> Hermann

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