[postgis-users] Problems with PostGIS and Proj4 on Cygwin

[Obe, Regina DND\MIS]

I ran into the same problem too on cygwin install (it was the prior version,
but haven't tried the same trick with the new version), but since I didn't
have a non cygwin to test on, I assumed they were some bad shapes.

It happened with a file of multipolygons that were in the default latlong
that I then tried to project to NAD meters.  Of the 5000 someodd
multipolygon entries - there were 10 that refused to project.  Out of
curiosity - I looked at them in a shapeviewer - and they were very wierd
looking shapes indeed - (things with small tincy holes and such - just
generally bizarre when compared to the other shapes that projected).

To overcome it, I took my other set of data that was in NAD and converted to
latlong (that was about 400,000 line segments) -- and didn't have a problem
there.

-----Original Message-----
From: Norman Vine [mailto:nhv at cape.com]
Sent: Tuesday, June 04, 2002 5:40 PM
To: postgis-users at postgis.refractions.net
Subject: RE: [postgis-users] Problems with PostGIS and Proj4 on Cygwin


Armin Burger writes:
>
>I compiled successfully Postgres 7.2/PostGIS 0.7.1 on Cygwin/Windows NT.
The
>system runs fine, only there are problems with re-projection using the Proj
4
>functionality compiled into PostGIS.

Did you install Proj4 ?

If not I have placed a Cygwin binary distribution package
of PostGIS to include the Proj files at my website
http://www.vso.cape.com/~nhv/files/cygwin/postgis.tgz

This assumes that the current Cygwin Postgres 7.2 distribution
is installed in the 'default' location as is done by the Cygwin setup
program.

Note: This is not a 'supported' distribution but I would be interested
in hearing of any problems encountered.

FYI -
Out of 18 downloads I have received several reports of using this
successfully and no reports of any problems

Cheers

Norman


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