On Tue, May 5, 2009 at 9:58 PM, Kevin Neufeld <[email protected]> wrote:
> But (and folks can correct me if I'm wrong since the docs don't actually
> specify) transforms operate on *all* dimensions.
> postgis=# select st_asewkt(st_transform('SRID=3005;POINT(1240227 495643 5)',
> 4001));
> st_asewkt
> ----------------------------------------------------------------------
> SRID=4001;POINT(-122.689717977579 49.4258574870912 533.550271589169)
> (1 row)
That's news to me and my version of PostGIS:
medford=# select st_asewkt(st_transform('SRID=3005;POINT(1240227
495643 5)', 4001));
st_asewkt
-------------------------------------------------------
SRID=4001;POINT(-122.689717977579 49.4265525863074 5)
(1 row)
My intuition was that reprojection would leave Z alone, since proj4
has no z-transform capabilities.
P.
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