User:Kannix/raster-tiles

wiki.openseamap.org:

• Downloadable_Raster_Charts
• Diskussion:Downloadable_Raster_Charts

github.com/mapbox:

• mbtiles-extracts

progress:

• stuffed all of them into a single .mbtiles file using mbutil: 2936300 tiles inserted (390 tiles/sec)
• result is a handy 7.3GB file

next step:

• split into smaller .mbtiles using https://github.com/mapbox/mbtiles-extracts or similar

• set up usefull boundaries, some thoughts
  • http://www.marineregions.org/sources.php#iho

statistics:

  957M Nov 26 17:50 arctic_ocean.mbtiles
    5M Nov 26 18:03 southern_ocean.mbtiles

 4617M Nov 26 19:56 europe.mbtiles
  299M Nov 26 20:02 africa.mbtiles
  603M Nov 26 18:17 asia.mbtiles
  493M Nov 26 14:41 north_america.mbtiles
  303M Nov 26 15:15 south_america.mbtiles
   30M Nov 27 10:29 australia_oceania.mbtiles

 1460M Nov 26 16:28 north_sea.mbtiles
 1651M Nov 26 16:06 baltic_sea.mbtiles
  589M Nov 26 16:54 mediterranean_and_black_sea.mbtiles
   21M Nov 26 14:03 caribbean_sea.mbtiles

  495M Nov 26 17:15 north_atlantic_ocean.mbtiles
  246M Nov 26 17:01 south_atlantic_ocean.mbtiles
  633M Nov 26 18:02 north_pacific_ocean.mbtiles
   46M Nov 26 17:04 south_pacific_ocean.mbtiles
  595M Nov 26 16:39 indian_ocean.mbtiles

download:

• http://kap.grade.de/seamark-tiles-ol3.html