[Proj] NAD27 lat lon to Lambert Conformal Conic

Frank Warmerdam warmerdam at pobox.com
Wed Aug 1 18:47:10 EDT 2007


Larry E. Ives wrote:
> #!/bin/bash
> 
> cs2cs +proj=latlong +datum=NAD27 \
> +to +datum=NAD27 +units=us-ft +proj=lcc \
> +lat_0=+47.000000 \
> +lat_1=+47.433333 \
> +lat_2=+48.733333 \
> +lon_0=-100.500000 \
> +x_0=2000000 \
> +y_0=0.000000 \

Larry,

I believe the issue is that PROJ expects the x_0 in meters regardless of
the units of the coordinate system.  Try +x_0=609601.22 instead of 2000000.
I then get the right results.

Best regards,
-- 
---------------------------------------+--------------------------------------
I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam at pobox.com
light and sound - activate the windows | http://pobox.com/~warmerdam
and watch the world go round - Rush    | President OSGeo, http://osgeo.org



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