[mapserver-users] aea projection support?

Paul Ramsey pramsey at refractions.net
Wed May 22 21:59:05 EDT 2002


Here is a 'classic' aea parameterization for the continental USA.

proj=aea
lat_1=29.500000000
lat_2=45.500000000
lat_0=37.500000000
lon_0=-96.000000000
x_0=0.000
y_0=0.000


allan panitch wrote:
> Hello all,
> I am successfully producing maps of America.  But I can seem to get the
> maps to "squish" together to look like a mercator projection.
> America looks elongated as opposed to the way we see it on a globe/map 
> like mercator or aea.
> Basically, no matter what I change the projections don't affect the
> output.
> I even tried the pre-built binaries to make sure we didn't leave anything
> out.
> 
> Here is info from my .map file.
> 
> PROJECTION
>         "proj=merc"
> #        "ellps=GRS80"
> 	"ellps=clrk66"
>         "zone=15"
>         "north"
> 
> #
> #	"proj=aea"
> #        "ellps=clrk66"
> #        "lon_0=180"
> 	"lat_0=180"
> 	"lat_1=80"
>         "lat_2=80"
> #        "x_0=10000"
> #        "y_0=10000"
> 
> END
> 
> 






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