[OSRS-PROJ] UTM and Proj

[Paul Selormey]

Hello Frank,
Thanks so much for the support.

Best regards,
Paul.

----- Original Message -----
From: "Frank Warmerdam" <warmerdam at pobox.com>
To: <osrs-proj at remotesensing.org>
Sent: Wednesday, June 20, 2001 11:23 AM
Subject: Re: [OSRS-PROJ] UTM and Proj


> Paul Selormey wrote:
> >
> > Hello All,
> > >From the documentation, I could only find the support of
longitude-latitude
> > as
> > the input for a projection. Now, since many formats like shapefiles are
in
> > UTM
> > what is the best way to convert a shapefile or similar UTM-based files
fast
> > on
> > the fly?
>
> Paul,
>
> The "proj" program can translate from lat/long to projection coordinates
> or from projection coordinates to lat/long.  To get projection coordinates
> to lat/long use the -I (inverse) commandline switch.
>
> The cs2cs program can go from any supported coordinate system to any
> other supported coordinate system.
>
> Reprojecting Shapefiles requires additional software to read and write
> the shapefiles, and call the appropriate proj functions.  It turns out
there
> is a "shpproj" program distributed with my Shapelib (in the contrib
directory)
> built on PROJ.4.  With that program you can reproject shapefiles fairly
> easily .... at least I assume so, I haven't used it myself.
>
>  See http://gdal.velocet.ca/projects/shapelib
>
> Good luck,
>
> ---------------------------------------+----------------------------------
----
> I set the clouds in motion - turn up   | Frank Warmerdam,
warmerdam at pobox.com
> light and sound - activate the windows | http://pobox.com/~warmerdam
> and watch the world go round - Rush    | Geospatial Programmer for Rent
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