fawick / go-mapnik Goto Github PK
View Code? Open in Web Editor NEWGo bindings for mapnik (http://www.mapnik.org or http://github.com/mapnik/mapnik)
License: BSD 3-Clause "New" or "Revised" License
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flyingliang olt gijs orofarne helmi03 jaredfolkins nkovacs jchamberlain herryhou kyawmyintthein polyisobutylene sjsafranek aaiyo cuulee animesh2049 project-echogo-mapnik's Issues
OSX Build failure - Unicode header
I am getting This issue:
jacobs-imac:mapnik j$ ./configure.bash
# github.com/fawick/go-mapnik/mapnik
In file included from ./mapnik_c_api.cpp:5:
In file included from /usr/local/include/mapnik/agg_renderer.hpp:28:
In file included from /usr/local/include/mapnik/feature_style_processor.hpp:27:
In file included from /usr/local/include/mapnik/datasource.hpp:28:
In file included from /usr/local/include/mapnik/params.hpp:28:
/usr/local/include/mapnik/value_types.hpp:27:10: fatal error: 'unicode/unistr.h' file not found
I googled around and it appears that my ICU library may need to be updated. It looks like quite a chore to install from source so I was wondering if it's an issue anyone else came across before or if I'm doing something wrong.
Reads from and writes to mbtiles database are inefficient
There's only a single goroutine that serves reads from the mbtiles database. This is very slow, especially since the reads are blocking.
m.fetch should run in a goroutine.
Similarly m.insert should also be executed in a goroutine. Sqlite should be able to handle locking.
Provide bindings for loading stylesheet directly from a string, not from file
You currently only provide:
func (m *Map) Load(stylesheet string) error, where "stylesheet" is read as a filename (the parameter name should make this more obvious). So there is no way to create a map from a dynamically-generated stylesheet.
The python bindings provide a mapnik.load_map_from_string to accomplish this.
Plans to support vector tiles?
This is a great looking project, and the tileserver is nice addition. I noticed it supports .png tiles as of now. Any plans to support mapbox vector tiles?
race condition in TileDb.Run()
m.qc is created inside a goroutine here. It should be created before the goroutine is started.
Add a Version()
Add a Version() function that shows exactly which mapnik version is linked.
OSX Build failure
On OSX, I ran
'brew install mapnik'.
I assumed that this is the equivalent to
'apt-get install libmapnik-dev'
It failed straight away with clang
jacobs-imac:mapnik j$ ./configure.bash
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 5171 100 5171 0 0 7824 0 --:--:-- --:--:-- --:--:-- 7834
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 2347 100 2347 0 0 11580 0 --:--:-- --:--:-- --:--:-- 11561
# github.com/fawick/go-mapnik/mapnik
Undefined symbols for architecture x86_64:
"boost::system::system_category()", referenced from:
boost::mutex::mutex() in mapnik_c_api.cpp.o
boost::mutex::unlock() in mapnik_c_api.cpp.o
boost::unique_lock<boost::mutex>::lock() in mapnik_c_api.cpp.o
boost::mutex::lock() in mapnik_c_api.cpp.o
__GLOBAL__I_a in mapnik_c_api.cpp.o
"boost::system::generic_category()", referenced from:
__GLOBAL__I_a in mapnik_c_api.cpp.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
Any plans to support mapnik v3?
./mapnik_c_api.cpp:2:10: fatal error: 'mapnik/graphics.hpp' file not found
Darn brew upgrade and didn't notice it took mapnik 3.0.0. But if this can be updated easily to support 3.0, i'll hold-off on downgrading my mapnik.
Thanks
Parameter type "gdal" does not work
This is my sample style.xml, it work shp file only.
<Style name="color relief style"> </Style> <Style name="slopeshade style"> </Style> <Style name="hillshade style"> </Style> <Style name="contours style"> </Style> color relief style gdal data/S07E106_utm48s_relief.tif slopeshade style gdal data/S07E106_utm48s_slopeshade.tif hillshade style gdal data/S07E106_utm48s_hs.tif contours style shape data/s07e106_25m.shpTileDb.Run() never exits
This line is unreachable.
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