#mapnik log: Friday 15, January 2010

2010 | 01

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03:56:51 <cgs_bob> hello all.  I'm compiling mapnik and I notice that there are a lot of warning messages.  is this normal?
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05:42:37 <cgs_bob> hello all.  I currently have mapnik 0.6.  I would like to upgrade to 0.7.  do I have to uninstall 0.6 before installing 0.7?
05:44:53 <cgs_bob> or can I install 0.7 over 0.7?
05:47:15 <springmeyer> cgs_bob: should be able to install over the top
05:47:41 <springmeyer> obviously a good idea to uninstall (have to do it manually unfortunetly)
05:47:55 <springmeyer> but would be good to see if it works for you without problems
05:48:13 <springmeyer> the trick is that you should check out a clean svn copy
05:48:34 <springmeyer> that is the easiest way to ensure that everything is rebuild and installed
05:48:59 <cgs_bob> I've already checked out a clean svn copy and it compiles with no problems.  All I need to do is install it
05:49:06 <springmeyer> great
05:50:02 <cgs_bob> what do I do if I wanted to manually remove 0.6?
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06:04:29 <springmeyer> rm /usr/local/lib/libmapnik.*
06:05:00 <springmeyer> then do the same for the python bindings
06:05:05 <springmeyer> get the location like:
06:05:32 <springmeyer> python -c "import mapnik;print mapnik.__file__"
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06:07:22 <cgs_bob>  doesn't sound hard to do.  thanks for the info
06:09:25 <cgs_bob> springmeyer: is it common to see a lot of warnings messages while compiling mapnik?
06:09:41 <springmeyer> no
06:09:48 <springmeyer> except on ubuntu karmic
06:10:08 <springmeyer> seeing a lot of  <'anonymous'> ?
06:10:42 <cgs_bob> I see stuff like this:  /home/bobm/usr/local/include/boost/preprocessor/iteration/detail/local.hpp:37:   instantiated from ‘PyObject* boost::python::detail::caller_arity<2u>::impl<F, Policies, Sig>::operator()(PyObject*, PyObject*) [with F = void (*)(mapnik::text_symbolizer&, boost::python::tuple), Policies = boost::python::default_call_policies, Sig = boost::mpl::vector3<void, mapnik::text_symbolizer&, boost::python::tuple>]’
06:13:25 <springmeyer> ya, thats likely what I'm thinking of...
06:13:35 <springmeyer> coming from boost either way... so not much we can do
06:14:48 <cgs_bob> ok...just had to ask :)  I cleaned up my system.  now I'm installing mapnik
06:24:10 <cgs_bob> springmeyer: looks like I have some work.  I did an import mapnik and got this error message:  ImportError: /usr/local/lib64/libmapnik.so.0.7: undefined symbol: _ZN7icu_4_213UnicodeStringC1Ev
06:24:39 <springmeyer> sudo ldconfig ?
06:24:56 <springmeyer> ah actually that likely won't help
06:25:31 <cgs_bob> I already did that.  but I do have 2 versions of libicu.  so I am guessing it is looking at the wrong one?
06:25:46 <springmeyer> possible that has been happening to folks lately
06:25:56 <springmeyer> compiling against one, linking to the other
06:26:07 <springmeyer> ldd /usr/local/lib64/libmapnik.so.0.7 | grep icu
06:26:08 <springmeyer> ?
06:27:12 <cgs_bob> you're right.  so what do I do now? :)
06:27:41 <springmeyer> did it link to /usr/lib not /usr/local/lib ?
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06:28:20 <cgs_bob> it linked to /usr/lib
06:29:16 <springmeyer> right, shoot
06:30:25 <springmeyer> try this: http://dpaste.com/145440/
06:32:17 <springmeyer> make sure to re-run 'configure'
06:32:42 <cgs_bob> ok...it is building now
06:34:11 <springmeyer> hmm, I'm trying that too and not seeing what I hoped
06:35:33 <cgs_bob> still the same problem :(
06:36:20 <springmeyer> some fellow on the mapnik list the other day said that changing the order in ld.so.conf may help control linking too
06:36:41 <springmeyer> e.g putting /usr/local/lib before /usr/lib in ld.so.conf files...
06:38:17 <cgs_bob> just tried that...it didn't work :(
06:38:45 <springmeyer> k
06:38:46 <springmeyer> http://www.mail-archive.com/mapnik-users@lists.berlios.de/msg02131.html
06:39:35 <springmeyer> okay, argh
06:39:48 <springmeyer> this is something that needs fixing in the SCons scripts I think
06:40:41 <cgs_bob> I'll go get me some tea and let you think about it for a while...brb
06:41:48 <springmeyer> I'll take a bit of green tea :)
06:43:11 <springmeyer> okay, svn revert that last patch
06:43:15 <springmeyer> and apply this one:
06:43:15 <springmeyer> http://dpaste.com/145441/
06:44:07 <cgs_bob> what is the syntax for svn revert?
06:44:23 <springmeyer> svn revert <file>
06:44:24 <springmeyer> or
06:44:39 <springmeyer> svn revert <dir> -R # R for recursive
06:48:42 <cgs_bob> still the same problem.  should I the scons requivalent of a make clean?
06:57:03 <cgs_bob> springmeyer: I got to call it a night.  tomorrow is furlough friday, so I'll "see" you tomorrow :)
06:57:52 <springmeyer> see ya later
06:59:18 <cgs_bob> g'nite
07:00:17 <springmeyer> python scons/scons.py -c # eq of make clean
07:10:08 <springmeyer> .startrss
07:10:09 <nikq> Okay, I'll start rss fetching...
07:10:10 <nikq> Mapnik Trac: Ticket #163 (Support for Unicode Strings as arguments) updated | http://trac.mapnik.org/ticket/163#comment:1
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07:34:03 <dodobas> yello
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07:35:22 <Phurl> hi,
07:35:32 <Phurl> i am making good progress with the gch/pch
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07:43:20 <user123> hello, is it possible to run mapnik to create maps from a server? Can it be used in web applications?
07:45:52 <user123> can mapnik be installed on a server?
07:46:13 <Phurl> user123, i think yes
07:46:45 <Phurl> informationfreeway is an example of a server that is rendering almost realtime
07:59:41 <user123> I want to create my own maps and display them in a webpage. Where can I get started?
08:00:08 <user123> something similar to informationfreeway
08:00:16 <Phurl> well,
08:00:42 <Phurl> i think that it is a openlayers frontend (javascript=
08:00:51 <Phurl> that makes request to a tileserver
08:00:56 <Phurl> that is fed by mapnik
08:00:58 <Phurl> got it?
08:01:32 <user123> to be completely honest, I don't, but now I got something to get started
08:02:19 <user123> Lets say I got my gps traces, I create a map with JOSM or Merkaartor. Then what should I look for?
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08:12:54 <Phurl> user123, you should be starting with openlayers
08:31:56 <user123> :) ok, Will do it, thanks
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15:49:11 <myselfhimself> hi
15:49:39 <myselfhimself> the Envelope class has been renamed in mapnik's trunk
15:49:54 <artem> yes, I know
15:50:01 <artem> i did it
15:50:03 <myselfhimself> and thus renderd's source code doesn't compile anymore
15:50:06 <myselfhimself> yes that's ok
15:50:18 <Ldp__> myselfhimself: so rename it in renderd's code :)
15:50:23 <myselfhimself> ok
15:50:26 <artem> http://trac.mapnik.org/wiki/Mapnik2
15:50:28 <myselfhimself> the prototype's the same
15:50:33 <artem> yes
15:50:36 <myselfhimself> I just need to change the name and that'll do the job?
15:50:37 <myselfhimself> ok
15:50:39 <myselfhimself> thanks
15:50:49 <myselfhimself> are the renderd people aware of that ?
15:51:03 <myselfhimself> I'm using renderd from trunk...
15:51:06 <Ldp__> we don't know
15:51:11 <Ldp__> 'probably'
15:51:13 <myselfhimself> likely they've created a branch to use mapnik's trunk
15:51:15 <myselfhimself> ok
15:51:34 <Ldp__> no, the OSM tileserver isn't running mapnik trunk, so the issue was not pressing
15:51:40 <artem> just couple renames should do the trick
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15:51:51 <myselfhimself> I should mail something once I manage to compile renderd against mapnik 2 trunk, on osm-dev if that's the right list .. what do you think ?
15:51:59 <Ldp__> sure
15:52:02 <myselfhimself> ok
15:52:16 <myselfhimself> thanks for your answers artem and Ldp__
15:52:35 <artem> no probs
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16:14:28 <myselfhimself> what should I do to remove this error :
16:14:58 <myselfhimself> gen_tile.cpp: In function ‘protoCmd render(mapnik::Map&, char*, mapnik::projection&, int, int, int, unsigned int, metaTile&)’:
16:15:00 <myselfhimself> gen_tile.cpp:420: error: ‘Image32’ was not declared in this scope
16:15:02 <myselfhimself> ?
16:15:19 <Ldp__> myselfhimself: http://trac.mapnik.org/wiki/Mapnik2
16:15:23 <Ldp__> read carefully
16:15:24 <myselfhimself> when greping /usr/local/include/mapnik for Image32 I see nothing ok
16:15:27 <myselfhimself> ok sorry
16:15:32 <myselfhimself> I'llr ead this page
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16:15:44 <myselfhimself> ok
16:15:46 <myselfhimself> that's written
16:15:52 <Ldp__> C++ changes
16:15:55 <myselfhimself> I had been lazy yes
16:15:58 <myselfhimself> I apologize
16:16:02 <Ldp__> it happens
16:16:47 <myselfhimself> I'll add Image32 => image_32 too
16:16:54 <myselfhimself> I have a wiki account
16:17:17 <Ldp__> ah, I misread you, my bad
16:17:24 <Ldp__> bbl
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16:24:30 <artem> hey dane
16:24:37 <artem> good morning
16:26:08 <springmeyer> good morning artem
16:26:29 * springmeyer is about to jump on a call, but will be around fully in about an hour
16:26:42 <artem> great
16:28:54 <myselfhimself> hello
16:35:24 <nikq> Mapnik Trac: Mapnik2 edited | http://trac.mapnik.org/wiki/Mapnik2?version=15
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16:57:20 <twain47> Have commited a patched version of mod_tile.c to compile with trunk (should be backwards compatible)
16:57:36 <twain47> gen_tile.cpp even...
16:57:53 <Ldp__> twain47: nice. myselfhimself was working on his local copy an hour ago, to modify it for trunk
16:58:13 <twain47> Just noticed - since I'd already done it seemed like an idea to comit it :)
16:59:22 <twain47> artem: would a legacy.hpp (in mapnik) be a usful item?  Bunch of defines to help with migration.
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17:00:40 <Ldp__> twain47: it makes sense to reverse your patch logic, at some point
17:01:24 <twain47> Ldp__: agreed - but trunk isn't even a released version yet!
17:02:14 <artem> twain47: sure!
17:03:05 <artem> lets wait a bit, and see if we'll rename more stuff ..
17:03:46 <artem> I'm planning to integrate boost.geometry and normalize naming accross
17:03:55 <twain47> artem: indeed - my main reason for not already having written it :)
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17:18:51 <myselfhimself> hi
17:19:03 <myselfhimself> I have just touched gen_tile.cpp
17:19:23 <myselfhimself> and changed Image* strings to image_.._ style strings
17:19:40 <myselfhimself> in vi this gives like 3 :*s//g commands
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17:19:56 <myselfhimself> and this was sufficient to remove the make errors
17:20:10 <myselfhimself> (there were several warnings though)
17:22:32 <myselfhimself> ok twain47 your #ifdef MAPNIK >= 800 is clever and better than my full replace code
17:22:38 <myselfhimself> I'm using your version
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17:35:01 <twain47> myselfhimself: Wish I'd got round to commiting it a day or so ago - would have saved you some work
17:35:07 <twain47> bah!
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18:37:34 <artem> should we include pre-generated python api docs in source tarball or not ??
18:38:54 <cgs_bob> springmeyer: hi there!  well, I'm trying to get 0.7 working.  it seems that my problem might be related to how I compiled boost.  As you can see in http://sites.google.com/site/cgsbob/files/libmapnik.so.0.7.png , libboost_regex.so depends on libicui18n.so.38.  so I guess I need to build boost with the right libicu?
18:39:33 <Ldp__> `Mapnik2
18:39:33 <nikq> http://trac.mapnik.org/wiki/Mapnik2
18:39:36 <Ldp__> "The order in which you should compile and install (if ever you do so for both) Boost and ICU is: 1) ICU, 2) Boost."
18:40:19 <artem> nice graph, though ;)
18:40:28 <cgs_bob> Ldp__: well, I guess I learned the hard way :)  thanks for reminding me to rtfm :)
18:40:58 <Ldp__> artem: yeah, nice graph
18:41:17 <cgs_bob> artem: thank you...it has helped me to learn a bit more about how mapnik works
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18:42:42 <artem> cgs_bob: can we use this graph on trac.mapnik.org ? I think it shows dependencies in a nice clear way
18:42:57 <artem> did you use doxygen (graphviz)?
18:44:07 <cgs_bob> artem: I'm using a script I found.  once I find where I got it, I'll pass it along to you and others who are interested
18:44:18 <artem> thanks
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18:46:10 <cgs_bob> artem: you can find the script at http://domseichter.blogspot.com/2008/02/visualize-dependencies-of-binaries-and.html
18:46:25 <artem> great, cheers
18:47:04 * artem compiling mapnik os x and win32 in parallel on the same laptop
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20:51:13 <nikq> Mapnik Trac: Ticket #492 (hanging and/or MemoryError thrown if png icon is not found) created | http://trac.mapnik.org/ticket/492
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20:58:08 <Ldp__> springmeyer: ouch
20:58:39 <springmeyer> Ldp__: ya
20:58:55 <Ldp__> good thing we don't have builds yet
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21:14:58 <artem> springmeyer: good catch:)
21:15:16 <springmeyer> hey artem
21:15:33 <springmeyer> ya, got called into doing haiti mapping
21:15:34 <artem> sounds like I introduce this  :P
21:15:37 <springmeyer> and hit that :)
21:16:54 <artem> let me check ..
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21:23:44 * artem building debug version of mapnik-0.7.0
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21:45:52 <artem> springmeyer: #492 - testing fix
21:45:52 <nikq> Ticket #492: hanging and/or MemoryError thrown if png icon is not found, http://trac.mapnik.org/ticket/492
21:46:10 <springmeyer> artem: nice job
21:46:29 <springmeyer> artem: seems we should retag?
21:46:46 <springmeyer> maybe also fix the unused variable compiler warning in shape.cpp?
21:46:51 <artem> I'm working directly on tags/releas-0.7.0
21:47:26 <artem> re: unused var - sure
21:50:39 <springmeyer> k
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22:09:27 <cgs_bob> springmeyer: well, I just rebuilt boost and mapnik.  I'm able to do an "import mapnik" with no error.  unfortunately quantumnik does not work.  I get this error:  http://osgeo.pastebin.com/d4bafb988
22:10:22 <springmeyer> python scons/scons.py INPUT_PLUGINS=all
22:10:28 <springmeyer> gdal is not built by default....
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22:17:48 <cgs_bob> springmeyer: what can I do about this error: .sconf_temp/conftest_32: error while loading shared libraries: libgeos-3.2.0.so: cannot open shared object file: No such file or directory
22:19:52 <cgs_bob> the next line says:  Problem encountered parsing mapnik version, falling back to [0, 6, 1]
22:20:16 <springmeyer> sudo rm -rf .scon*
22:20:21 <springmeyer> then try rebuilding...
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22:28:38 <nikq> Mapnik Trac: Changeset [1570]: + better handling non-existing and/or wrongly defined image files | http://trac.mapnik.org/changeset/1570
22:29:17 <artem> springmeyer: ok, I think I covered all corner cases in image loading. could you test as well ?
22:31:58 <springmeyer> artem: mind committing to branch?
22:32:03 <artem> also, don't see any unused variable warnings : os x 10.6 gcc version 4.2.1
22:32:09 <springmeyer> I don't have the tag checked out
22:32:29 <artem> ok, just a sec but you can also svn switch
22:32:51 <springmeyer> oh good point
22:32:52 <nikq> Mapnik Trac: Changeset [1571]: fix unused variable warnings in shapefile plugin | http://trac.mapnik.org/changeset/1571
22:33:18 * artem thinks we should delete 0.7 
22:36:05 <springmeyer> okay
22:36:10 * springmeyer runs svn switch
22:41:05 <nikq> Mapnik Trac: Changeset [1572]: + better handling non-existing and/or wrongly defined image files | http://trac.mapnik.org/changeset/1572
22:41:07 * artem waiting for success switching before deleting  
22:41:39 <artem>  synced branches/0.7 with tags/release-0.7.0
22:41:44 <artem> just in case
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22:55:05 <artem> springmeyer: I don't see any 'unused var' warnings in tags/release-0.7.0  on os x (gcc-4.2)
22:55:06 <springmeyer> artem okay, did you see r1571 ?
22:55:07 <nikq> http://trac.mapnik.org/changeset/1571, at , by dane: fix unused variable warnings in shapefile plugin
22:55:29 <artem> ok, what gcc version ?
22:55:46 <artem> never mind I'll cherry-pick r1571
22:55:55 <nikq> http://trac.mapnik.org/changeset/1571, at , by dane: fix unused variable warnings in shapefile plugin
22:57:54 <nikq> Mapnik Trac: Changeset [1573]: + small change to r1571 | http://trac.mapnik.org/changeset/1573
22:57:59 <artem> calm down nikq :)
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23:01:43 <nikq> Mapnik Trac: Changeset [1574]: + port r1571 + r1573   Conflicts:  	plugins/input/shape/shape.cpp | http://trac.mapnik.org/changeset/1574
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23:03:20 <artem> springmeyer: did 'switch' worked for you ?
23:04:03 <springmeyer> artem: my compile finally finished -yep fix for missing symbol works!