[gdal-dev] problem assigning EPSG:27700

[Even Rouault]

On Wednesday 05 August 2015 12:24:06 Darrel Maddy wrote:
> Apologies if this is not the right place to ask this.
> 
> I use gdal to read and write datafiles for my landscape evolution model. I
> have been trying to get the output rasters to include the appropriate
> spatial referencing, in this case the OS National Grid (EPSG 27700).  I
> used the guidance in the raster api tutorial and my code has the following
> line:
> 
>         OSRSetWellKnownGeogCS( hSRS, "EPSG:27700" );

Darrel,

use OSRImportFromEPSG(hSRS, 27700) instead

Even

> 
> Alas this is clearly not recognised as nothing is written in the header i.e.
> using gdalinfo I just get Coordinate System is ' ' .  If I substitute
> EPSG:4227 then the information appears - but is, of course in the wrong
> place!
> 
> If I use gdalsrsinfo EPSG:27700 I get the correct information.
> 
> I am clearly doing something wrong and would appreciate any suggestion.
> 
> Many thanks
> 
> Darrel
> 
> Prof Darrel Maddy
> Chair of Quaternary Science
> Newcastle University

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