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osm_map_processing/README.md
2017-01-20 12:38:42 -05:00

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Overview

This project contains useful info/tools for processing OSM maps into the mapwriter file format (.map). It was developed to help generating offline map files for Locus on Android.

Dependencies / Prereqs

To run this program you'll need the following

  • A Linux environment
  • Python 3.x installed
  • Java 1.8 or higher installed (OpenJDK works)
  • wget installed
  • bunzip2 installed (usually part of bzip2 package)

Installation

Head over to releases tab and download the latest. Extract the file and you're good to go. Everything is self-contained minuse the above dependencies.

Running

To run the program, cd to the directory where you extracted the release and run './process_maps.py' with at least one '--map-list /path/to/list.txt parameter'. See the lists directory for examples on how to format the map list files.

Program Usage

usage: process_maps.py [-h] [--map-list MAP_LIST] [--no-sleep] [--use-ram]

optional arguments: -h, --help show this help message and exit --map-list MAP_LIST a text file with one map URL per line, can be specified more than once --no-sleep don't sleep between downloads -- WARNING you can easily run into throttling on mirrors if you use this option --use-ram use RAM for mapsforge processing -- WARNING mapsforge uses 10x the map size in RAM for processing (ie. 100Mb map = 1Gb RAM usage), you want a LOT of RAM for this option

Licencing

All code is licensed Apache 2.0 and all non-code is licensed Creative Commons CC-BY-SA-3.0