Nop, A couple quick questions:
How many threads are you using in generate_tiles.py? How many cpu's does your machine have? And do you have cairo installed? $ python >>> import cairo Thanks, Dane On Dec 12, 2009, at 10:00 AM, Nop wrote: > > Hi! > > > It seems that I have run into the same problem that was reported > earlier > by Philip. > > I have a freshly installed python mapnik and the first attempt at > running generate_image.py causes a Segmentation fault in > mapnik.render(). When I change the script to use render_to_file(), > there > is no error and a valid image is created that looks just like it > should. > > I would need to solve this problem as I'm trying to build up a major > rendering chain on the server. > > Operating system is Ubuntu Karmic > >> $ apt-cache show python-mapnik > > Package: python-mapnik > Priority: optional > Section: universe/python > Installed-Size: 5740 > Maintainer: Ubuntu MOTU Developers <[email protected]> > Original-Maintainer: Dominic Hargreaves <[email protected]> > Architecture: amd64 > Source: mapnik > Version: 0.6.1-0ubuntu4 > Provides: python2.5-mapnik, python2.6-mapnik > Depends: libboost-python1.38.0 (>= 1.38.0-1), libc6 (>= 2.4), libgcc1 > (>= 1:4.1.1), libjpeg62, libmapnik0.6, libpng12-0 > (>= 1.2.13-4), libstdc++6 (>= 4.4.0), python (<< 2.7), python (>= > 2.5), > python-central (>= 0.6.11) > Filename: pool/universe/m/mapnik/python- > mapnik_0.6.1-0ubuntu4_amd64.deb > Size: 1250930 > MD5sum: 44622c39f5d514270f9ef67e4d909f3a > SHA1: e9ac4c3aab1ef3ecb9abba6f8b49a89b19a774bb > SHA256: > 12f99c3dca6c4556350e3e577a5c346a4c83d9796bf7a2ff1183f0f1c2b76567 > Description: C++/Python toolkit for developing GIS applications > (Python) > Mapnik is an OpenSource C++/Python toolkit for developing GIS > (Geographic Information Systems) applications. At the core is a C++ > shared library providing algorithms/patterns for spatial data > access and > visualization. > . > Essentially a collection of geographic objects (map, layer, > datasource, > feature, geometry), the library doesn't rely on "windowing systems" > and > is intended to work in multi-threaded environments > . > High-level Python bindings (boost.python) facilitate rapid > application > development, targeting zope3, django, etc. > . > This package contains the Python bindings. > Homepage: http://www.mapnik.org/ > Python-Version: 2.5, 2.6 > Bugs: https://bugs.launchpad.net/ubuntu/+filebug > Origin: Ubuntu > > > >> On Nov 1, 2009, at 1:13 PM, Philip Stubbs wrote: >> >>> 2009/11/1 Philip Stubbs<[email protected]>: >>>> Hi all, >>>> >>>> I am new hear but I don't know where else to look. I have installed >>>> mapnik and am trying to get the generate_tiles script to work. It >>>> is >>>> causing a segmentation fault when mapnik.render is called. I have >>>> tried the 'hello world' example and that works, but I notice that >>>> uses >>>> mapnik.render_to_file. Therefore I tried to adjust that script to >>>> use >>>> the mapnik.render method, and it also then seg faulted. >>>> >>>> I am not a programmer, and what little I do know is not in >>>> Python :-( >>>> My Google foo is also weak today. Any help would be appreciated. >>> >>> Ops! Should have said that I am running Ubuntu 9.10, I installed >>> python-mapnik and Postgres from the Ubuntu repositories, and >>> followed >>> the set-up guide from the openstreetmap wiki. >>> >>> Now I have made a copy of the generate_image.py script and changed >>> it >>> to use mapnik.render_to_file, and it has just successfully >>> rendered an >>> image of the UK. This is going to be of more use to me than the >>> tiles, >>> so I think I am sorted. Still, it would be good to know why the one >>> method works when the other does not. I may in the future want a >>> local >>> tile server. >>> >>> >>> -- >>> Philip Stubbs >>> _______________________________________________ >>> Mapnik-users mailing list >>> [email protected] >>> https://lists.berlios.de/mailman/listinfo/mapnik-users >> >> _______________________________________________ >> Mapnik-users mailing list >> [email protected] >> https://lists.berlios.de/mailman/listinfo/mapnik-users >> > > _______________________________________________ > Mapnik-users mailing list > [email protected] > https://lists.berlios.de/mailman/listinfo/mapnik-users _______________________________________________ Mapnik-users mailing list [email protected] https://lists.berlios.de/mailman/listinfo/mapnik-users
