[postgis-users] Transform from NAD27 (SRID 4267) to WGS84 (SRID 4326)

Sandro Santilli strk at keybit.net
Thu Apr 5 00:27:27 PDT 2012

On Thu, Apr 05, 2012 at 09:25:40AM +1000, Evan Martin wrote:
> >70 west, 10 north is in venezuela which is outside the bounds of
> >available NAD27 to NAD83 conversion files.  Try (-120 40).
> Thanks, Frank. Yes, (-120 40) works. Just to confirm, will PostGIS
> always return the input coordinates now when they're outside the
> bounds of the input datum, rather than throwing an error? Is that
> the expected behaviour?

PostGIS-1.5.x will throw an exception.
PostGIS-2.0.0 will throw an exception.


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