[MapProxy] ProjInitError

Jason Lee jaslee.st at gmail.com
Wed Dec 1 06:47:31 EST 2010

Thanks Oliver, installing pyproj and setting a new Windows environment
variable MAPPROXY_USE_PYPROJ to True worked for me. Now I can start mapproxy
server in a normal command prompt (running within FWTools exhibited strange
behaviour, i.e. WMS requests were taking an infinite amount of time).


On Fri, Nov 26, 2010 at 9:59 AM, Oliver Tonnhofer <olt at omniscale.de> wrote:

> On 25.11.2010, at 15:27, Jason Lee wrote:
> > Hi,
> > I just downloaded and installed MapProxy ( locally on my Windows
> Vista machine for testing. I followed the steps as per the documentation to
> the point I thought I was ready to startup the MapProxy server, i.e. "paster
> serve etc/develop.ini --reload"
> >
> > Unfortunately I get an error message :-
> >
> > "mapproxy.platform.cpython.proj.ProjInitError: error initializing
> Proj(proj_def=None, init='epsg:4326'): Invalid argument"
> >
> > I'm not too sure what I have missed along the installation steps although
> I have re-installed several times with the same result. Interestingly, I
> have FWTools installed on my machine and when I startup MapProxy from within
> a FWTools command prompt it seems to run up fine?! Is it because MapProxy
> cannot find map projection settings that FWTools provides in its environment
> settings?
> MapProxy can use Proj4 directly (via ctypes) or pyproj, a Python package
> that bundles Proj4. I guess that FWTools comes with Proj4 and the Proj4
> environment variables are set correctly. When you use MapProxy outside of
> FWTools, then MapProxy still finds the library but Proj4 does not find the
> projection definitions.
> So you could set either the proj4 environment variables or you could try
> pyproj. Just install it with `easy_install pyproj`. You might have to set
> the environment MAPPROXY_USE_PYPROJ to true, so that MapProxy will not use
> FWTools' Proj4.
> Regards,
> Oliver
> --
> Oliver Tonnhofer <olt at omniscale.de>
> Omniscale - Dominik Helle, Oliver Tonnhofer GbR
> Nadorster Str. 60, 26123 Oldenburg
> Tel: +49(0)441/9392774-2 (Fax: 9)
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.osgeo.org/pipermail/mapproxy/attachments/20101201/b3d9b645/attachment.html

More information about the MapProxy mailing list