[postgis-users] Transformation problem using transform()

Paul Ramsey pramsey at refractions.net
Sun Apr 30 09:00:37 PDT 2006


Not quite enough information...

"using various srid's" ... which ones?

And what particular points give the failure?


On 30-Apr-06, at 6:05 AM, Marc Angelo wrote:

> Hi Everyone
> I have a quick question regarding using the transform function. I'm  
> very new to this so please excuse the basic question.
> I have a very simple spatial table that I import data to. The srid  
> is 4326 (WGS84). When I run the following transform function it  
> works fine:-
> SELECT Transform(position,4269) FROM waypoints;
> ....so far so good. Problem is when I try several other transform's  
> using various srid's I get the following error:-
> ERROR:  transform: couldn't project point: -45 (geocentric  
> transformation missing z or ellps)
> I'm sure someone is going to spot what I'm doing wrong straight  
> away - any help would greatly be appreciated - by the way I am  
> using the Windows Version of Postgres etc
> Cheers
> Marc
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