[OSRS-PROJ] Re: Older Stateplane Definitions

Frank Warmerdam warmerdam at pobox.com
Thu Jul 25 16:49:48 EDT 2002

 > Here are the ESRI coordinate projections as extracted from the online
 > list of projections provided in their ArcIMS reference manual. I have
 > taken the WKT definitions from ESRI and passed them through OGR to get
 > the proj4 equivalents (no matter how hard you try, you keep coming back
 > to Frank). They seem pretty complete.


I have committed them to CVS, and they will appear in the next PROJ.4
release installed as "esri" similarly to "epsg".  To use them use
something like:


 > They also included a set of
 > "NAD_1983_HARN_StatePlane" definitions, which I cannot understand, not
 > knowing what 'HARN' is. :/

HARN is some sort of higher resolution survey of NAD83.  I think there
are NADCON type grid shift files for HARN where available.


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    | Geospatial Programmer for Rent

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