systemed

(Dijkstra and plain A* are generally not included here as there are thousands of 
implementations, though I've made an exception for rare Ruby and Crystal versions,
and for Thor, Mapzen's enhanced A*. )

A*                                      Ruby    https://github.com/georgian-se/shortest-path
A*                                      Crystal https://github.com/petoem/a-star.cr
A* (bidirectional with shortcuts)       C++     https://github.com/valhalla/valhalla
NBA*                                    JS      https://github.com/anvaka/ngraph.path
NBA*                                    Java    https://github.com/coderodde/GraphSearchPal
NBA*                                    Java    https://github.com/coderodde/FunkyPathfinding

systemed

[Unit]
Description=Daemon that renders map tiles using mapnik
Documentation=man:renderd
After=network.target auditd.service

[Service]
RuntimeDirectory=renderd
RuntimeDirectoryMode=0755
ExecStart=/usr/local/bin/renderd -f -c /usr/local/etc/renderd.conf

systemed

// This can be used to serialise the results of a Eureka form to JSON
// requires AnyCodable from https://github.com/Flight-School/AnyCodable

let results:[String:AnyCodable] = form.values().mapValues { v in
  return AnyCodable(v)
}
let encoder = JSONEncoder()
encoder.outputFormatting = .prettyPrinted
let json = try! encoder.encode(results)
print(String(data: json, encoding: .utf8)!)

systemed

	# Mapnik style profiler
	# ruby style_profiler.rb /usr/local/share/maps/style/stylesheet.xml coloured_relief,hillshade,relief,combined_relief 8.1948 46.8982 8.4502 47.0753

	require '/usr/local/share/ruby/ffi-mapnik/lib/ffi-mapnik.rb'
	require 'nokogiri'
	require 'proj4'
	require 'benchmark'

	xml_fn = ARGV[0]

systemed

# Install OSM rendering stack on CentOS 7
# Richard Fairhurst, January 2020

yum -y install epel-release

# Postgres/GDAL
rpm -Uvh https://yum.postgresql.org/9.4/redhat/rhel-7-x86_64/pgdg-centos94-9.4-3.noarch.rpm
yum -y install postgresql94-server postgresql94-devel postgis24_94 postgis24_94-docs postgis24_94-utils gdal30 gdal30-devel

# GCC

systemed

	# Combine all hillshade layers into a single GeoTIFF
	# Requires gdalcopyproj.py (which uses GDAL Python bindings)

	require '/usr/local/share/ruby/ffi-mapnik/lib/ffi-mapnik.rb'
	require 'nokogiri'

	Mapnik.register_datasources("/usr/local/lib/mapnik/input")
	Mapnik.register_fonts("/usr/local/share/maps/style/fonts")

systemed

Likely schema

place           <- place
boundary        <- boundary
route           <- route
structure       <- power, man_made, barrier, emergency, amenity=[bench, post_box, telephone…], advertising, military, playground
poi             <- shop, tourism, historic, office, amenity=[other], healthcare, craft
transport       <- highway, railway, aerialway, traffic_sign*, public_transport, amenity=bus_station
indoor &lt;- indoor*, entrance*