[Proj] ERROR 6: No translation for Double_Stereographic to PROJ.4 format is known.

OvV_HN ovv at hetnet.nl
Tue Mar 31 13:14:40 EST 2009


I don't get it. I always thought the existing PROJ (and libproj) function 
sterea was a full implementation of the double stereographic projection, 
suited for Dutch RD, New Brunswick / Prince Edward Island stereo and 
Romanian Stereo 70.

Oscar van Vlijmen


----- Original Message ----- 
From: "Frank Warmerdam" <warmerdam at pobox.com>
To: "PROJ.4 and general Projections Discussions" <proj at lists.maptools.org>
Sent: Tuesday, March 31, 2009 6:47 PM
Subject: Re: [Proj] ERROR 6: No translation for Double_Stereographic to 
PROJ.4 format is known.


> Hermann Peifer wrote:
>> Hi,
>>
>> I see that there is a Trac ticket related to some problems with the
>> Double_Stereographic projection: http://trac.osgeo.org/gdal/ticket/2487
>>
>> ... but the problem seems to continue. Can this be fixed?
>
> Hermann,
>
> As far as I know we are still in the same situation where Double 
> Stereographic
> is not supported by PROJ.4.   I don't know how to resolve this.  We really
> need someone like Gerald to implement the underlying projection formulas. 
> :-)
>
> 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    | Geospatial Programmer for Rent
>
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