Evert, Thank you very much. I do hope it goes on working. :D
Roy On Mon, Aug 2, 2010 at 2:09 AM, Evert Rol <evert....@gmail.com> wrote: > > I got it back working. But it was with some stroke of luck. And I dont > know the explanation. > > > > I installed the latest source of GEOS (as suggested by someone from the > gdal channel). Then i tried the script. It gave me a different import error. > > > > ImportError: libgeos-3.3.0.so: cannot open shared object file: No such > file or directory > > > > I uninstalled the thing. And then tried the script again and it worked. > :| I answered some of your questions below. Again, thanks. > > Sounds like a library mess-up. System thing, definitely not a Python thing. > Installing the latest source was a bit of an odd suggestion, if you got > things working earlier. > But it's good it's working now. Just be careful that it doesn't come back > to bite you when you install more things. > > Few other things below, after the break: > > <snip /> > > > > For a quick check, try the following from the command line: > > $> ldd /usr/lib/libspatialite.so.2 > > > > The command line returns the following lines: > > > > linux-vdso.so.1 => (0x00007fff6edff000) > > libsqlite3.so.0 => /usr/lib/libsqlite3.so.0 (0x00007f793015c000) > > libgeos_c.so.1 => /usr/local/lib/libgeos_c.so.1 > (0x00007f792ff4f000) > > libgeos-3.2.2.so => /usr/lib/libgeos-3.2.2.so (0x00007f792fbe8000) > > libproj.so.0 => /usr/lib/libproj.so.0 (0x00007f792f9a6000) > > libm.so.6 => /lib/libm.so.6 (0x00007f792f723000) > > libstdc++.so.6 => /usr/lib/libstdc++.so.6 (0x00007f792f40e000) > > libpthread.so.0 => /lib/libpthread.so.0 (0x00007f792f1f1000) > > libdl.so.2 => /lib/libdl.so.2 (0x00007f792efed000) > > libc.so.6 => /lib/libc.so.6 (0x00007f792ec69000) > > libgeos.so.2 => /usr/local/lib/libgeos.so.2 (0x00007f792e964000) > > libgcc_s.so.1 => /lib/libgcc_s.so.1 (0x00007f792e74d000) > > /lib64/ld-linux-x86-64.so.2 (0x00007f7930688000) > > > > I dont know what to make of it. > > It's the pointers to the libgeos libraries that are interesting. > Which shows that one libgeos lives in /usr/lib, while the other one can be > found in /usr/local/lib. And libgeos_c also lives in /usr/local/lib. > So it still feels a bit messy, having similarly named libraries in two > different system directories, and you may run into some compatibility issues > later on, in just a few specific functions or classes. May, because I've > never used this software. > You should scan through /usr/local/lib for more libgeos* libraries. If you > find libgeos-3.2.2.so there as well, then probably that should actually be > the preferred one (although then libspatialite.so.2 should also be in > /usr/local/lib). Anyway, don't change it if it's working. > See also below. > > > and see if it has any missing dependencies. If there's any missing (you > can also post the output here if you'd like), see if you can that dependency > somewhere on your system (the 'locate' command can help, or just good-old > 'find'). If it's missing from libspatialite but you can find that library > somewhere on your system (that would probably be the GEOS library then), > it's your LD_LIBRARY_PATH that's likely different. > > > > Also, what linux distro are you using? Maybe you've been using the > package manager overzealously, causing some essential packages to be > modified or removed? > > > > > > I'm on Ubuntu 10.04 (64 bit). I think it was from installing different > GIS-related software (not all of which could be installed from the package > manager). > > So perhaps some stuff automatically installed in /usr/lib (that could be > software installed through the package manager), and then you used the usual > ./configure; make; make install (or python setup.py install; or whatever), > which most likely (hopefully, actually) would install things in > /usr/local/lib. > And somewhere along the way, a library got removed or replaced by a > different version library, and things stopped working. > What exactly happened is hard to tell, depending on how exactly you > installed everything, and in which order. > > I hope this keeps working for you. Probably the folks on the gdal channel > or related mailing lists could otherwise help you; but perhaps then tell > them you have the geos & related libraries spread across /usr/lib and > /usr/local/lib. > > Cheers, > > Evert > >
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