[Gdal-dev] AAIGrid projection info

Frank Warmerdam warmerdam at pobox.com
Tue May 22 12:05:38 EDT 2007


Sheykhet, Rostic wrote:
> Hi Frank/All,
> 
>  
> 
> I am looking at a potential bug in ESRI SRS transform for AAIGrid, and 
> just want to double check my assumptions.   Currently, for Projection 
> TRANSVERSE in file ogr_srs_esri.cpp the projection parameter order is 
> assumed as follows:
> 
> PARAM_2 -> Latitude
> 
> PARAM_3 -> Longitude
> 
> PARAM_1 -> Scale
> 
> PARAM_4 -> False Easting
> 
> PARAM_5 -> False Northing
> 
>  
> 
> In the file below, and several others like it, I see that PARAM_2 is 
> actually Longitude and PARAM_3 is Latitude.
...

Rostic,

Your analysis is dead on.  I have filed this as a bug, and corrected it
in trunk and 1.4 branch as well as adding a test for this format.

   http://trac.osgeo.org/gdal/ticket/1649

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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