Created
November 5, 2013 21:12
-
-
Save epijim/7326408 to your computer and use it in GitHub Desktop.
Trains - from https://gist.github.com/mbostock
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| svg { | |
| font: 10px sans-serif; | |
| } | |
| .axis path { | |
| display: none; | |
| } | |
| .axis line { | |
| fill: none; | |
| stroke: #000; | |
| shape-rendering: crispEdges; | |
| } | |
| .station line { | |
| stroke: #ddd; | |
| stroke-dasharray: 1,1; | |
| shape-rendering: crispEdges; | |
| } | |
| .station text { | |
| text-anchor: end; | |
| } | |
| .train line { | |
| stroke-width: 1.5px; | |
| } | |
| .train circle { | |
| fill: #777; | |
| stroke: #fff; | |
| stroke-width: 1.5px; | |
| } | |
| </style> | |
| <body> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <script> | |
| var stations = []; // lazily loaded | |
| var formatTime = d3.time.format("%I:%M%p"); | |
| var margin = {top: 20, right: 30, bottom: 20, left: 100}, | |
| width = 960 - margin.left - margin.right, | |
| height = 500 - margin.top - margin.bottom; | |
| var x = d3.time.scale() | |
| .domain([parseTime("7:00PM"), parseTime("1:45AM")]) | |
| .range([0, width]); | |
| var y = d3.scale.linear() | |
| .range([0, height]); | |
| var z = d3.scale.linear() | |
| .domain([.001, .002]) | |
| .range(["purple", "orange"]) | |
| .interpolate(d3.interpolateLab); | |
| var xAxis = d3.svg.axis() | |
| .scale(x) | |
| .ticks(8) | |
| .tickFormat(formatTime); | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width + margin.left + margin.right) | |
| .attr("height", height + margin.top + margin.bottom) | |
| .append("g") | |
| .attr("transform", "translate(" + margin.left + "," + margin.top + ")"); | |
| svg.append("defs").append("clipPath") | |
| .attr("id", "clip") | |
| .append("rect") | |
| .attr("y", -margin.top) | |
| .attr("width", width) | |
| .attr("height", height + margin.top + margin.bottom); | |
| d3.tsv("schedule.tsv", type, function(error, trains) { | |
| y.domain(d3.extent(stations, function(d) { return d.distance; })); | |
| var station = svg.append("g") | |
| .attr("class", "station") | |
| .selectAll("g") | |
| .data(stations) | |
| .enter().append("g") | |
| .attr("transform", function(d) { return "translate(0," + y(d.distance) + ")"; }); | |
| station.append("text") | |
| .attr("x", -6) | |
| .attr("dy", ".35em") | |
| .text(function(d) { return d.name; }); | |
| station.append("line") | |
| .attr("x2", width); | |
| svg.append("g") | |
| .attr("class", "x top axis") | |
| .call(xAxis.orient("top")); | |
| svg.append("g") | |
| .attr("class", "x bottom axis") | |
| .attr("transform", "translate(0," + height + ")") | |
| .call(xAxis.orient("bottom")); | |
| var train = svg.append("g") | |
| .attr("class", "train") | |
| .attr("clip-path", "url(#clip)") | |
| .selectAll("g") | |
| .data(trains.filter(function(d) { return /[NLB]/.test(d.type); })) | |
| .enter().append("g") | |
| .attr("class", function(d) { return d.type; }); | |
| train.selectAll("line") | |
| .data(function(d) { return d.stops.slice(1).map(function(b, i) { return [d.stops[i], b]; }); }) | |
| .enter().append("line") | |
| .attr("x1", function(d) { return x(d[0].time); }) | |
| .attr("x2", function(d) { return x(d[1].time); }) | |
| .attr("y1", function(d) { return y(d[0].station.distance); }) | |
| .attr("y2", function(d) { return y(d[1].station.distance); }) | |
| .style("stroke", function(d) { return z(Math.abs((d[1].station.distance - d[0].station.distance) / (d[1].time - d[0].time))); }); | |
| train.selectAll("circle") | |
| .data(function(d) { return d.stops; }) | |
| .enter().append("circle") | |
| .attr("transform", function(d) { return "translate(" + x(d.time) + "," + y(d.station.distance) + ")"; }) | |
| .attr("r", 2); | |
| }); | |
| function type(d, i) { | |
| // Extract the stations from the "stop|*" columns. | |
| if (!i) for (var k in d) { | |
| if (/^stop\|/.test(k)) { | |
| var p = k.split("|"); | |
| stations.push({ | |
| key: k, | |
| name: p[1], | |
| distance: +p[2], | |
| zone: +p[3] | |
| }); | |
| } | |
| } | |
| return { | |
| number: d.number, | |
| type: d.type, | |
| direction: d.direction, | |
| stops: stations | |
| .map(function(s) { return {station: s, time: parseTime(d[s.key])}; }) | |
| .filter(function(s) { return s.time != null; }) | |
| }; | |
| } | |
| function parseTime(s) { | |
| var t = formatTime.parse(s); | |
| if (t != null && t.getHours() < 3) t.setDate(t.getDate() + 1); | |
| return t; | |
| } | |
| </script> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment