[postgis-users] Transformation problem using transform()
computrain at paradise.net.nz
Sun Apr 30 15:12:47 PDT 2006
Sorry about that
The following is a random sample of the different srid's I tried to
It seems that apart from trying to transform to 4269 all other
transformations fail with the error:
ERROR: transform: couldn't project point: -45 (geocentric transformation
missing z or ellps)
The following is the one and only current record in the spatial table:
The Lat and Long are only text fields which come from a text file.....When I
insert the text file data, I brought across the text Lat and Long as well so
I could possibly see what was happening in various functions when applied to
the "geom" (in my case it's called position) field. The 2nd field is an rfid
----- Original Message -----
From: "Paul Ramsey" <pramsey at refractions.net>
To: "PostGIS Users Discussion" <postgis-users at postgis.refractions.net>
Sent: Monday, May 01, 2006 4:00 AM
Subject: Re: [postgis-users] Transformation problem using transform()
> 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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