View this code at http://livecoding.io/8646864
Created
January 27, 2014 11:18
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created by http://livecoding.io/3411676
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| { | |
| "libraries": [ | |
| "d3" | |
| ], | |
| "mode": "javascript", | |
| "layout": "fullscreen mode (vertical)", | |
| "resolution": "reset" | |
| } |
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| svg { | |
| font: 10px sans-serif; | |
| } | |
| .axis line { | |
| stroke: #000; | |
| shape-rendering: crispEdges; | |
| } | |
| .trip path { | |
| fill: none; | |
| stroke-width: 1.5px; | |
| } | |
| .trip path { stroke: rgb(192,62,29); } | |
| .axis path, .axis line { | |
| fill: none; | |
| stroke: #000; | |
| shape-rendering: crispEdges; | |
| } |
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| <!-- html goes here --> | |
| <svg></svg> |
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| var margin = {top: 20, right: 30, bottom: 20, left: 100}, | |
| width = 600 - margin.left - margin.right, | |
| height = 600 - margin.top - margin.bottom | |
| var x = d3.scale.linear() | |
| .domain([0, 100]) | |
| .range([0, width]) | |
| var y = d3.scale.linear() | |
| .domain([0, 100]) | |
| .range([0, height]) | |
| var xAxis = d3.svg.axis().scale(x) | |
| var yAxis = d3.svg.axis().scale(y) | |
| var svg = d3.select("svg") | |
| .attr("width", width) | |
| .attr("height", height) | |
| .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.json("water.json", function(timetable) { | |
| function findValue(value, where, old) { | |
| function linearInterpolation(from, to, value) { | |
| var x1 = from[0], x2 = to[0], y1 = from[1], y2 = to[1] | |
| var m = (y2 - y1) / (x2 - x1), b = y1 - m * x1 | |
| return m * value + b | |
| } | |
| if (where.length == 0) return undefined | |
| var head = where[0] | |
| if (head[0] == value) return { found: head[1], rest: where } | |
| else if (head[0] > value) return { found: linearInterpolation(old, head, value), rest: where } | |
| return findValue(value, where.slice(1), head) | |
| } | |
| function normalise(trip, refTrip, newTrip) { | |
| newTrip = newTrip || [] | |
| if (trip.length == 0) return newTrip | |
| var head = trip[0] | |
| var lookup = findValue(head[0], refTrip) | |
| var result = [ head[0], head[1] - lookup.found ] // distance, difference | |
| return normalise(trip.slice(1), lookup.rest, newTrip.concat( [result] )) | |
| } | |
| var ref = [ [0, 0], [20, 5], [35, 25], [50, 30] ] | |
| var trip = [ [0, 0], [20, 10], [35, 27], [50, 30] ] | |
| var normalised = normalise(trip, ref) | |
| console.log("normalised", normalise(trip, ref)) | |
| var trips = normalised.map(function(step) { | |
| return { x: step[0], y: step[1] } | |
| }) | |
| var trip = svg.append("g") | |
| .attr("class", "trip") | |
| .attr("clip-path", "url(#clip)") | |
| .selectAll("g") | |
| .data(trips) | |
| .enter().append("g") | |
| .attr("class", function(d) { return "line" }) | |
| var line = d3.svg.line() | |
| .x(function(d) { return x(d.x) }) | |
| .y(function(d) { return y(d.y) }) | |
| trip.append("path") | |
| .attr("class", "trip") | |
| .attr("d", function(d) { return line(d) }) | |
| trip.selectAll("circle") | |
| .data(function(d) { return d }) | |
| .enter().append("circle") | |
| .attr("transform", function(d) { | |
| return "translate(" + x(d.x) + "," + y(d.y) + ")" }) | |
| .attr("r", 2); | |
| /* | |
| svg.append("g") | |
| .attr("class", "x top axis") | |
| .call(xAxis.orient("top")) | |
| svg.append("g") | |
| .attr("class", "y left axis") | |
| .call(yAxis.orient("left")) */ | |
| }) |
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| { | |
| "runTypes": { | |
| "RT1": [ [0, 0], [20, 5], [35, 25], [50, 30] ], | |
| "RT2": [ [50, 0], [65, 5], [80, 25], [100, 30] ], | |
| "RT1X": [ [20, 0], [35, 20], [50, 25] ], | |
| "RT2X": [ [50, 0], [65, 5], [80, 25] ] | |
| }, | |
| "services": { | |
| "S1": [ ["01", "10:05", "RT1X"], ["02", "10:30", "RT2"], ["03", "11:00", "RT1"], ["04", "11:30", "RT2X"] ], | |
| "S2": [ ["05", "10:15", "RT1X"], ["06", "10:40", "RT2"], ["07", "11:10", "RT1"], ["08", "11:40", "RT2X"] ], | |
| "S3": [ ["09", "10:25", "RT1X"], ["10", "10:50", "RT2"], ["11", "11:20", "RT1"], ["12", "11:50", "RT2X"] ], | |
| "S4": [ ["13", "10:35", "RT1X"], ["14", "11:00", "RT2"], ["15", "11:30", "RT1"], ["16", "12:00", "RT2X"] ], | |
| "S5": [ ["17", "10:45", "RT1X"], ["18", "11:10", "RT2"], ["19", "11:40", "RT1"], ["20", "12:10", "RT2X"] ], | |
| "S6": [ ["21", "10:55", "RT1X"], ["22", "11:20", "RT2"], ["23", "11:50", "RT1"], ["24", "12:20", "RT2X"] ] | |
| }, | |
| "updates": [ | |
| { | |
| "trip": [ "S1", "01" ], | |
| "report": [ [20, 2], [35, 25] ] | |
| } | |
| ] | |
| } |
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