地鐵/軌道數據處理展示：Tubemaps

給定一個數據集，它將取得所有軌道/站點的關系。

圖片利用 Visualizing the tube in D3實現。

命令行工具

目前命令行只支持倫敦

$ tubemaps path  --from "Euston" --to "Hammersmith"
# Victoria Line: Euston to Warren Street
# Victoria Line: Warren Street to Oxford Circus
# Victoria Line: Oxford Circus to Green Park
# Victoria Line: Green Park to Victoria
# Victoria Line: Victoria to Sloane Square
# District Line: Sloane Square to South Kensington
# Piccadilly Line: South Kensington to Gloucester Road
# Piccadilly Line: Gloucester Road to Earl's Court
# District Line: Earl's Court to Barons Court
# Piccadilly Line: Barons Court to Hammersmith

$ tubemaps station "Euston" --london                    
# Northern Line: Camden Town
# Victoria Line: King's Cross St. Pancras
# Northern Line: Mornington Crescent
# Victoria Line: Warren Street
# Victoria Line: King's Cross St. Pancras
# Victoria Line: Warren Street

NodeJS Library

var TubeMap = require('tubemaps').TubeMap;
var london = new TubeMap({
  stations: csv.stations,
  lines: csv.lines,
  connections: csv.connections
});

// Find information about a station
var victoriaStation = london.getStationByName('Victoria');
// {conns:[{display_name: "Euston"}, ...], ..}

// Find information a line
var victoriaLine = london.getLineByName('Victoria Line');
// [station1, station2,..]

// Find all connections in a line
var conns = london.line(victoriaLine)
// [{station1: #euston, station2: #warrentStreet}]

// Find path between two stations
var conns = london.path(euston, victoria)
// [{station1: #euston, station2: #warrentStreet, line: #victoriaLine}]

// Find path between two stations in a line
var conns = london.path(euston, victoria, line)
// [{station1: #euston, station2: #warrentStreet, line: #victoriaLine}]

現有數據集

倫敦

var Maps = require('tubemaps/maps');

Maps("london", function(err, tube) {
  var euston = tube.getStationByName("Euston");
  var victoria = tube.getStationByName("Victoria");
  console.log(tube.path(euston, victoria))
})