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<!DOCTYPE html> |
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<meta charset="utf-8"> |
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<style> |
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svg { |
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font: 12px sans-serif; |
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} |
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.axis path, |
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.axis line { |
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fill: none; |
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stroke: #000; |
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shape-rendering: crispEdges; |
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stroke-opacity: .3; |
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stroke-dasharray: 3; |
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stroke-width: .5; |
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} |
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.x.axis path { |
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fill:none; |
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stroke:#000; |
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shape-rendering: crispEdges; |
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} |
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.line { |
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stroke: url(#heartRate-gradient); |
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fill: none; |
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stroke-width: 7px; |
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} |
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</style> |
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<body> |
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<script src="http://d3js.org/d3.v3.js"></script> |
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<button id='button'>click me</button> |
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<br /> |
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<script> |
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var margin = {top: 20, right: 80, bottom: 30, left: 50}, |
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width = 900 - margin.left - margin.right, |
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height = 450 - margin.top - margin.bottom; |
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var x = d3.scale.linear() |
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.range([width,0]) |
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.domain([0,100]); |
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var y = d3.scale.linear() |
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.range([height,0]) |
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.domain([60,220]); |
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var color = d3.scale.category10(); |
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var xAxis = d3.svg.axis() |
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.scale(x) |
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.ticks(1) |
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.orient("bottom"); |
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var yAxis = d3.svg.axis() |
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.scale(y) |
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.ticks(20) |
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.tickSize(-width, 0, 0) |
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.orient("left"); |
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var line = d3.svg.line() |
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.interpolate("basis") |
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.x(function(d) { return x(d['percentRemaining']); }) |
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.y(function(d) { return y(d['heartRate']); }); |
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var svg = d3.select("body").append("svg") |
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.attr("width", width + margin.left + margin.right) |
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.attr("height", height + margin.top + margin.bottom) |
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.append("g") |
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.attr("transform", "translate(" + margin.left + "," + margin.top + ")"); |
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d3.csv("merged.csv", function(error, data) { |
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data = data.filter(function(d) { return d.lookup != "lookup"; }); |
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data = data.map( function (d) { |
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return { |
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lookup: d['lookup'], |
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percentRemaining: +d['percentRemaining']*100, |
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heartRate: Math.round(d['heart_rate(bpm)']) }; |
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}); |
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console.log("pre-nested", data) |
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data = d3.nest() |
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.key(function(d) { return d.lookup; }) |
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.sortKeys(d3.ascending) |
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.sortValues(function(a,b) { return b.percentRemaining - a.percentRemaining; } ) |
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.entries(data); |
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console.log("post-nested", data) |
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svg.append("g") |
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.attr("class", "x axis") |
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.attr("transform", "translate(0," + height + ")") |
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.call(xAxis) |
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.selectAll("text") |
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.style("opacity", .75); |
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svg.append("line") |
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.attr("class", "xAxisLine") |
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.attr("x1", 0) |
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.attr("x2", width) |
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.attr("y1", 0) |
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.attr("y2", 0) |
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.attr("transform", "translate(0," + height + ")") |
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.style("stroke-width", 2) |
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.style("stroke-opacity", .5) |
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.style("stroke", "#000"); |
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svg.append("g") |
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.attr("class", "y axis") |
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.call(yAxis) |
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.selectAll("text") |
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.style("opacity", .5); |
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svg.append("line") |
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.attr("class", "xAxisLine") |
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.attr("x1", 0) |
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.attr("x2", 0) |
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.attr("y1", 0) |
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.attr("y2", height - 2) |
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.style("stroke-width", 2) |
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.style("stroke", "#fff"); |
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svg.append("path") |
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.attr("d", function(d) { return "M 0," + y(160) + ", L " + width + "," + y(160); }) |
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.attr("clip-path", "url(#rect-clip)") |
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.style("stroke", "#000") |
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.style("fill","none") |
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.style("stroke-opacity", .75) |
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.style("stroke-width", 1); |
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svg.append("path") |
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.attr("d", function(d) { return "M 0," + y(130) + ", L " + width + "," + y(130); }) |
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.attr("clip-path", "url(#rect-clip)") |
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.style("stroke", "#000") |
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.style("fill","none") |
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.style("stroke-opacity", .75) |
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.style("stroke-width", 1); |
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svg.append("rect") |
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.attr("x",0) |
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.attr("y",-10) |
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.attr("width",100) |
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.attr("height",30) |
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.style("fill","#fff"); |
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svg.append("text") |
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.attr("x",2) |
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.attr("y",4) |
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.style("background-color","white") |
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.style("opacity", .80) |
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.text("Heart Rate (BPM)") |
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svg.append("text") |
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.attr("x",2) |
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.attr("y",4) |
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.style("background-color","white") |
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.style("opacity", .80) |
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.text("Heart Rate (BPM)") |
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var runs = svg.selectAll(".run") |
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.data(data, function(d) { return d.key; }) |
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.enter().append("g") |
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.attr("id", function(d) { return d.key; }) |
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.attr("class", "run"); |
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svg.append("clipPath") |
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.attr("id", "rect-clip") |
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.append("rect") |
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.attr("width", width) |
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.attr("height", height); |
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svg.append("linearGradient") |
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.attr("id", "heartRate-gradient") |
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.attr("gradientUnits", "userSpaceOnUse") |
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.attr("x1", 0).attr("y1", y(100)) |
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.attr("x2", 0).attr("y2", y(200)) |
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.selectAll("stop") |
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.data([ |
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{offset: "0%", color: "black"}, |
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{offset: "30%", color: "black"}, |
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{offset: "30%", color: "#4fb13c"}, |
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{offset: "60%", color: "#4fb13c"}, |
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{offset: "60%", color: "red"}, |
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{offset: "100%", color: "red"} |
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]) |
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.enter().append("stop") |
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.attr("offset", function(d) { return d.offset; }) |
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.attr("stop-color", function(d) { return d.color; }); |
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runs.append("path") |
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.attr("class", "line") |
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.attr("d", function(d) { return line(d.values); }) |
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.attr("clip-path", "url(#rect-clip)") |
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// .style("stroke", "red") |
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.style("stroke-opacity", 0); |
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runs.append("text") |
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.attr("class","linetext") |
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.text(function(d) { return d.key; }) |
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.attr("x", width - 100) |
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.attr("y", 18) |
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.style("fill", "none") |
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.style("font", "20px sans-serif"); |
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d3.selectAll("#button").on("click", function(){ |
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d3.selectAll(".line") |
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.transition() |
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.ease("linear") |
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.delay(function(d,i) {return i*200;}) |
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.duration(100) |
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.style("stroke-opacity",1) |
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.transition() |
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.duration(100) |
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// .style("stroke","#000") |
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.style("stroke-opacity",.5) |
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.style("stroke-width",1.5) |
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.transition() |
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.duration(1000) |
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.style("stroke-opacity",0) |
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.transition() |
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.duration(1) |
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.style("stroke", "url(#heartRate-gradient);") |
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.style("stroke-width",7); |
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d3.selectAll(".linetext") |
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.transition() |
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.ease("linear") |
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.delay(function(d,i) {return i*200;}) |
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.duration(100) |
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.style("fill","#000") |
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.transition() |
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.duration(100) |
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.style("fill","none"); |
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}) |
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}); |
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</script> |