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Noaa enc (s-57) charts?
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What is the best format to convert NOAA electronic navigation charts (enc) in the S-57 format to? Is it better to start from the raster charts?
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Hi Allen,
Unfortunately I haven’t any experiences with converting s-57 charts. There are some steps I can suggest for you. S-57 is vector format so the best solution is converting into vector format readable by Locus.
1. Try to use ogr2ogr http://www.gdal.org/ogr2ogr.html (windows FWTools) and convert s-57 to the shapefile.
2. Shapefile is possible to convert to the OSM format using ogr2osm http://www.gdal.org/ogr2ogr.html
3. Then convert OSM file into *.map (mapsforge). Mapsforge is android library which enable rendering vector data. For converting use Osmosis with map-writer plugin – detailed information http://code.google.com/p/mapsforge/wi...
I found Will Kamp’s project on Github https://github.com/manimaul/mapsforge... with goals to create python scripts for converting S-57 to the mapsforge format. I didn’t test it but it seems that his solution works fain.
Regards
Petr
Hi Allen,
Unfortunately I haven’t any experiences with converting s-57 charts. There are some steps I can suggest for you. S-57 is vector format so the best solution is converting into vector format readable by Locus.
1. Try to use ogr2ogr http://www.gdal.org/ogr2ogr.html (windows FWTools) and convert s-57 to the shapefile.
2. Shapefile is possible to convert to the OSM format using ogr2osm http://www.gdal.org/ogr2ogr.html
3. Then convert OSM file into *.map (mapsforge). Mapsforge is android library which enable rendering vector data. For converting use Osmosis with map-writer plugin – detailed information http://code.google.com/p/mapsforge/wi...
I found Will Kamp’s project on Github https://github.com/manimaul/mapsforge... with goals to create python scripts for converting S-57 to the mapsforge format. I didn’t test it but it seems that his solution works fain.
Regards
Petr
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