Searching for Mapnik Gdal Support information? Find all needed info by using official links provided below.
https://github.com/mapnik/mapnik/wiki/GDAL
Jul 17, 2018 · Internally it directs Mapnik to call GDALOpenShared instead of GDALOpen which means that GDAL will consult its global cache of datasets. GDAL will try to return a copy of the dataset if access from multiple threads (but this defeats the purpose of sharing)
https://github.com/mapnik/mapnik/pull/3430
Jun 07, 2016 · GDAL can support non-alpha mask band, such as a TIFF IFD with Subfile type=transparency mask. This can be typically used to create a GeoTIFF with YCbCr JPEG compression for RGB bands and DEFLATE compression for the mask band. I'm not sure how to …
https://gis.stackexchange.com/questions/248522/mapnik-with-ecw-on-ubuntu
Mapnik with ECW on Ubuntu. Ask Question Asked 2 years, 3 months ago. ... There is a successfully installed GDAL 2.2.1 with ECW support. ... from mapnik import Gdal Gdal(file='ololo.ecw', nodata=0, shared=True) ERROR 4: `ololo.ecw' not recognised as a supported file format.
https://gis.stackexchange.com/questions/33746/how-to-render-postgis-raster-with-mapnik-xml
Raster support in TileMill is all through Mapnik's GDAL plugin. It may be possible to setup up Mapnik and GDAL to read rasters out of PostGIS, but I've not personally tried this yet. In TileMill the assumption is all rasters are simple a file on the filesystem at this point. There is also this discussion from the Mapnik forum. This one is a ...
https://trac.macports.org/ticket/56429
I have found that the Portfile define the wrong path for PROJ_INCLUDES and PROJ_LIBS since proj4 and proj (proj5) are in their respecctive install directory.
https://gist.github.com/springmeyer/3427021
Mar 27, 2019 · @springmeyer - when it cam time to build boost it complained about default command 'g++' not found.I had to install gcc-c++ in order for boost to build properly. Not sure if I did anything wrong or if something might have changed in the aws linux dist.
https://groups.google.com/d/topic/mapnik/LdrpbkpEQW8
Checking whether Boost was compiled with C++11 scoped enums ... yes
http://www.mikejcorey.com/tutorials/2011/02/05/Tutorial-part-1-Create-beautiful-hillshade-maps-from-digital-elevation-models-with-GDAL-and-Mapnik.html
Tutorial part 1: Create beautiful hillshade maps from digital elevation models with GDAL and Mapnik. 05 February 2011 on tutorials. 8 minutes Mapnik is your best friend if you want to create map tiles for a slippy map or just want an open-source way to output high-quality printed maps for a wide variety of uses.
https://blog.gravitystorm.co.uk/2011/08/09/dealing-with-gdal-and-mapnik/
Aug 09, 2011 · 1 thought on “ Dealing with GDAL and Mapnik ” Michal Migurski August 10, 2011 at 6:52 am. Dane Springmeyer saved my day with this knowledge back at Wherecamp, when we were attempting to compile a version of the OpenAerialMap code that would use GDAL’s “vsicurl” bindings.
https://help.openstreetmap.org/questions/32583/could-not-create-datasource-for-type-shape-postgis
Hi . I installed mod_tile and mapnik via github. I used the latest version of mod_tile and mapnik 2.2.3. Mapnik is generating tiles, but just when I remove the layer-tags in my mapnik.xml-file.
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