[Mapserver-users] Reprojection of shape file.

[Pericles S. Nacionales]

Jason,

Read through http://hypnos.cbs.umn.edu/projects/tutorial/example1-7.html
if you need an example.  At the bottom of the page you will find map
projection references.  Also, see
http://hypnos.cbs.umn.edu/projects/tutorial/example1-6.html for
comparison.

Check out http://greenwichmeridian.com/.  If you are working with data
from west of the prime meridian, your longitude is always negative--The
US is west of Greenwich.  Some people forget or just assume everyone
else knows this.

I think in proj you can specify -111.779615 as 111.779615w (I haven't
tried it).

-Perry

On Fri, 2004-02-06 at 10:03, Jason M. Nielsen wrote:
> Quoting "Pericles S. Nacionales" <nacional at cbs.umn.edu>:
> 
> > Jason,
> > 
> > Try these coordinates:
> > 40.430850 -111.779615
> > 
> > -Perry
> 
> 40.430850 -111.779615
> 1562580.38      7325806.46 0.00
> 
> That looks right now. Corpscon spit out:
> 
> 1562577.25376  7325791.80843
> 
> 
> So...  What is it I need to do to make this work since the extents I grabbed are
> right from the output of ogrinfo and looking at further output from it the
> entire shape file has a positive number for that second coordinate.
> 
> Is there something I need to do in the .map file to indicate this switch in sign?
> 
> 
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