tiles2bsb

Scrapes a tileserver and outputs the result in BSB format which is typically used for nautical charts navigation software

Requirements

• libCurl
• ImageMagick / Magick++
• libPNG
• FreeImage

Resources

• http://libbsb.sourceforge.net/
• http://wiki.openstreetmap.org/wiki/Openseamap/DE:KAP-Dateien_aus_OSeaMap_erstellen#Benutzung_von_vorgefertigten_Kacheln
• https://github.com/nlohmann/json
• http://opencpn.de/handbuecher/elektronische-seekarten-selbst-erstellen
• http://opencpn.org/ocpn/chart_conversion_linux
• http://www.dacust.com/inlandwaters/imgkap/
• http://www.imagemagick.org/Magick++/
• http://sourceforge.net/p/freeimage/discussion/36110/thread/7e436844/

Tile Server

• http://a.tile.osm.org/{z}/{x}/{y}.png
• http://d2hcl9zx8watk4.cloudfront.net/tile/{z}/{x}/{y}?LAYERS=config_1_1_0&TRANSPARENT=FALSE&navtoken=TmF2aW9uaWNzX2ludGVybmFscHVycG9zZV8wMDAwMSt3ZWJhcHAubmF2aW9uaWNzLmNvbQ%3D%3D

Ideas

Selecting the areas to extract from a map using GeoJSON

http://cstheory.stackexchange.com/questions/5540/packing-rectangles-into-convex-polygons-but-without-rotations

Finding the most and best rectangles to fit the polygon. Requirements for the rectangles are

• non-rotated
• not too small
• non-overlapping