[postgis-users] Coordinate changes using transform from 1.3.1 to 1.3.6

[Miguel R. Luaces]

Dear all,

PROJ.4 is the answer

http://trac.osgeo.org/proj/wiki/FAQ#WhydoIgetdifferentresultswith4.5.0and4.6.0

Best regards,
  Miguel

On Tue, May 26, 2009 at 5:00 PM, Paul Ramsey <pramsey at cleverelephant.ca>wrote:

> You can independently verify if the problem is in proj by using the
> 'proj' utility on both machines to translate one of your coordinates
> and see if they concur. It is more likely a proj difference than a
> PostGIS one.
>
> P
>
> On Tue, May 26, 2009 at 5:58 AM, Ben Madin <ben at remoteinformation.com.au>
> wrote:
> > G'day Miguel,
> >
> > On 26/05/2009, at 8:23 PM, Miguel R. Luaces wrote:
> >
> >> First DBMS:
> >>
> >> SELECT version(), postgis_full_version();
> >>
> >> "PostgreSQL 8.2.13 on i686-pc-mingw32, compiled by GCC gcc.exe (GCC)
> 3.4.2
> >> (mingw-special)";"POSTGIS="1.3.1" GEOS="3.0.0rc4-CAPI-1.3.3" PROJ="Rel.
> >> 4.5.0, 22 Oct 2006" USE_STATS DBPROC="0.3.0" RELPROC="1.3.1" (needs proc
> >> upgrade)"
> >
> >
> >> Second DBMS:
> >>
> >> SELECT version(), postgis_full_version();
> >>
> >> "PostgreSQL 8.2.13 on i686-pc-mingw32, compiled by GCC gcc.exe (GCC)
> 3.4.2
> >> (mingw-special)";"POSTGIS="1.3.6" GEOS="3.1.0-CAPI-1.5.0" PROJ="Rel.
> 4.6.1,
> >> 21 August 2008" USE_STATS DBPROC="0.3.0" RELPROC="1.3.6" (needs proc
> >> upgrade)"
> >
> >
> > I'm sure you can see the difference between postgis and especially proj
> > versions from this. I would guess you will need to either upgrade one
> > machine or downgrade the other to be able to expect absolute concurrence.
> >
> > cheers
> >
> > Ben
> >
> >
> > --
> >
> > Ben Madin
> > REMOTE INFORMATION
> >
> > t : +61 8 9192 5455
> > f : +61 8 9192 5535
> > m : 0448 887 220
> > Broome   WA   6725
> >
> > ben at remoteinformation.com.au
> >
> >
> >
> >                                                        Out here, it pays
> to
> > know...
> >
> >
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