README.md

d3js Multiline chart with brushing and mouseover

data.txt

Uhrzeit,Durchschn,Anz,Gesamt
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05:53,1646,2,3292
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05:55,6,82,515
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06:00,4,150,741
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15:22,6,2848,19835
15:23,6,2879,19739
15:24,9,3515,31848
15:25,5,3124,18607
15:26,6,3212,21077
15:27,7,3397,26181
15:28,6,3066,19579
15:29,5,2515,15008
15:30,7,2780,22147
15:31,11,2805,31605
15:32,9,2543,22992
15:33,14,2556,36559
15:34,8,3421,28492
15:35,6,3062,19204
15:36,6,3225,20237
15:37,12,2152,25863
15:38,6,2626,15826
15:39,6,2524,17333
15:40,8,2024,18139
15:41,6,2102,13247
15:42,6,2212,13410
15:43,8,2342,18882
15:44,7,2392,18426
15:45,8,2111,17844
15:46,8,1779,14938
15:47,7,1785,13758
15:48,7,1870,13621
15:49,9,1772,17148
15:50,8,1938,16333
15:51,6,2440,15633
15:52,7,1839,14683
15:53,7,1229,9513
15:54,5,1708,9196
15:55,5,2072,11085
15:56,6,1683,10837
15:57,7,2053,14939
15:58,6,1685,10255
15:59,6,1740,10543
16:00,8,1639,13120
16:01,8,1763,14568
16:02,8,1464,12336
16:03,5,919,5435
16:04,6,1271,8426
16:05,6,947,6111
16:06,6,1360,9164
16:07,7,1134,9038
16:08,7,1206,8752
16:09,8,1423,11558
16:10,10,1446,14526
16:11,14,936,13188
16:12,7,1212,8687
16:13,7,1206,9464
16:14,5,824,4442
16:15,7,1500,10551
16:16,6,956,6373
16:17,5,623,3347
16:18,6,872,6077
16:19,6,905,5433
16:20,4,904,4500
16:21,5,561,2911
16:22,5,642,3699
16:23,6,468,3132
16:24,7,512,3983
16:25,10,691,7492
16:26,6,358,2455
16:27,10,298,3226
16:28,4,601,2897
16:29,5,506,2875
16:30,6,400,2442
16:31,4,340,1510
16:32,9,216,2105
16:33,8,449,3698
16:34,8,445,3728
16:35,5,611,3302
16:36,8,394,3190
16:37,6,312,1884
16:38,3,326,1302
16:39,8,234,1903
16:40,4,362,1784
16:41,12,200,2579
16:42,4,429,1893
16:43,4,692,2885
16:44,4,718,3024
16:45,13,379,5145
16:46,9,462,4214
16:47,5,709,3832
16:48,10,337,3622
16:49,6,281,1937
16:50,7,231,1631
16:51,5,243,1389
16:52,5,250,1416
16:53,6,291,1786
16:54,6,88,591
16:55,6,36,235
16:56,1,75,122
16:57,22,85,1879
16:58,7,96,726
16:59,5,117,640
17:00,9,154,1431
17:01,16,187,3090
17:02,7,122,874
17:03,13,301,4197
17:04,6,157,1033
17:05,4,49,203
17:06,18,125,2363
17:07,13,143,1868
17:08,5,133,703
17:09,4,157,633
17:10,5,175,923
17:11,4,94,404
17:12,3,87,282
17:13,7,101,716
17:14,3,147,534
17:15,4,246,988
17:16,3,201,691
17:17,3,53,211
17:18,3,58,192
17:19,3,91,278
17:20,3,68,238
17:21,2,59,169
17:22,2,38,112
17:23,2,106,269
17:24,11,45,500
17:25,5,43,247
17:26,4,52,215
17:27,8,63,544
17:28,0,6,5
17:29,16,78,1310
17:30,8,28,237
17:31,7,5,36
17:32,3,269,1001
17:33,4,163,688
17:34,0,0,0
17:35,1,25,47
17:36,1,42,80
17:37,3,69,211
17:38,0,0,0
17:39,0,0,0
17:40,7,34,246
17:41,3,115,447
17:42,4,150,608
17:43,5,64,330
17:44,1,4,5
17:45,8,34,301
17:46,5,64,359
17:47,7,30,230
17:48,3,55,183
17:49,0,0,0
17:50,6,44,303
17:51,2,31,68
17:52,3,24,86
17:53,5,32,162
17:54,4,88,386
17:55,4,118,570
17:56,3,111,377
17:57,5,49,264
17:58,4,97,394
17:59,5,107,571

index.html

<!DOCTYPE html>
<meta charset="utf-8">
<meta http-equiv="cache-control" content="max-age=0" />
<meta http-equiv="cache-control" content="no-cache" />
<meta http-equiv="expires" content="0" />
<meta http-equiv="expires" content="Tue, 01 Jan 1980 1:00:00 GMT" />
<meta http-equiv="pragma" content="no-cache" />
<style>

body {
  font: 10px sans-serif;
}

.axis path,
.axis line {
  fill: none;
  stroke: #000;
  shape-rendering: crispEdges;
}

/*
.x.axis path {
  display: none;
}
*/

.line {
  stroke: black;
  fill: none;
  stroke-width: 0.75px;
}

.line.line0 {
  stroke: steelblue;
}

.line.line1 {
  stroke: indianred;
}

.overlay {
  fill: none;
  pointer-events: all;
}

.focus circle {
  fill: none;
}

.focus circle.y0 {
  stroke: blue;
}

.focus circle.y1 {
  stroke: red;
}

.focus line {
  stroke: purple;
  shape-rendering: crispEdges;
}

.focus line.y0 {
  stroke: steelblue;
  stroke-dasharray: 3 3;
  opacity: .5;
}

.focus line.y1 {
  stroke: indianred;
  stroke-dasharray: 3 3;
  opacity: .5;
}

.brush .extent {
  stroke: #fff;
  fill-opacity: .125;
  shape-rendering: crispEdges;
}
</style>
<body>
<script type="text/javascript" src="http://d3js.org/d3.v3.min.js"></script>
<script>

var main_margin = {top: 20, right: 80, bottom: 100, left: 40},
    mini_margin = {top: 430, right: 80, bottom: 20, left: 40},
    main_width = 960 - main_margin.left - main_margin.right,
    main_height = 500 - main_margin.top - main_margin.bottom,
    mini_height = 500 - mini_margin.top - mini_margin.bottom;

var formatDate = d3.time.format("%H:%M"),
    parseDate = formatDate.parse,
    bisectDate = d3.bisector(function(d) { return d.Uhrzeit; }).left,
    formatOutput0 = function(d) { return formatDate(d.Uhrzeit) + " - " + d.Durchschn + " ms"; },
    formatOutput1 = function(d) { return formatDate(d.Uhrzeit) + " - " + d.Anz; };

var main_x = d3.time.scale()
    .range([0, main_width]),
    mini_x = d3.time.scale()
    .range([0, main_width]);

var main_y0 = d3.scale.sqrt()
    .range([main_height, 0]),
    main_y1 = d3.scale.sqrt()
    .range([main_height, 0]),
    mini_y0 = d3.scale.sqrt()
    .range([mini_height, 0]),
    mini_y1 = d3.scale.sqrt()
    .range([mini_height, 0]);

var main_xAxis = d3.svg.axis()
    .scale(main_x)
    .tickFormat(d3.time.format("%H:%M"))
    .orient("bottom"),
    mini_xAxis = d3.svg.axis()
    .scale(mini_x)
    .tickFormat(d3.time.format("%H:%M"))
    .orient("bottom");

var main_yAxisLeft = d3.svg.axis()
    .scale(main_y0)
    .orient("left");
    main_yAxisRight = d3.svg.axis()
    .scale(main_y1)
    .orient("right");

var brush = d3.svg.brush()
    .x(mini_x)
    .on("brush", brush);

var main_line0 = d3.svg.line()
    .interpolate("cardinal")
    .x(function(d) { return main_x(d.Uhrzeit); })
    .y(function(d) { return main_y0(d.Durchschn); });

var main_line1 = d3.svg.line()
    .interpolate("cardinal")
    .x(function(d) { return main_x(d.Uhrzeit); })
    .y(function(d) { return main_y1(d.Anz); });

var mini_line0 = d3.svg.line()
    .x(function(d) { return mini_x(d.Uhrzeit); })
    .y(function(d) { return mini_y0(d.Durchschn); });

var mini_line1 = d3.svg.line()
    .x(function(d) { return mini_x(d.Uhrzeit); })
    .y(function(d) { return mini_y1(d.Anz); });

var svg = d3.select("body").append("svg")
    .attr("width", main_width + main_margin.left + main_margin.right)
    .attr("height", main_height + main_margin.top + main_margin.bottom);

svg.append("defs").append("clipPath")
    .attr("id", "clip")
  .append("rect")
    .attr("width", main_width)
    .attr("height", main_height);

var main = svg.append("g")
    .attr("transform", "translate(" + main_margin.left + "," + main_margin.top + ")");

var mini = svg.append("g")
    .attr("transform", "translate(" + mini_margin.left + "," + mini_margin.top + ")");

d3.csv("data.txt", function(error, data) {
  data.forEach(function(d) {
    d.Uhrzeit = parseDate(d.Uhrzeit);
    d.Durchschn = +d.Durchschn;
    d.Anz = +d.Anz;
  });

  data.sort(function(a, b) {
    return a.Uhrzeit - b.Uhrzeit;
  });

  main_x.domain([data[0].Uhrzeit, data[data.length - 1].Uhrzeit]);
  main_y0.domain(d3.extent(data, function(d) { return d.Durchschn; }));
  //main_y0.domain([0.1, d3.max(data, function(d) { return d.Durchschn; })]);
  main_y1.domain(d3.extent(data, function(d) { return d.Anz; }));
  mini_x.domain(main_x.domain());
  mini_y0.domain(main_y0.domain());
  mini_y1.domain(main_y1.domain());

  main.append("path")
      .datum(data)
      .attr("clip-path", "url(#clip)")
      .attr("class", "line line0")
      .attr("d", main_line0);

  main.append("path")
      .datum(data)
      .attr("clip-path", "url(#clip)")
      .attr("class", "line line1")
      .attr("d", main_line1);

  main.append("g")
      .attr("class", "x axis")
      .attr("transform", "translate(0," + main_height + ")")
      .call(main_xAxis);

  main.append("g")
      .attr("class", "y axis axisLeft")
      .call(main_yAxisLeft)
    .append("text")
      .attr("transform", "rotate(-90)")
      .attr("y", 6)
      .attr("dy", ".71em")
      .style("text-anchor", "end")
      .text("Ø AWZ (ms)");

  main.append("g")
      .attr("class", "y axis axisRight")
      .attr("transform", "translate(" + main_width + ", 0)")
      .call(main_yAxisRight)
    .append("text")
      .attr("transform", "rotate(-90)")
      .attr("y", -12)
      .attr("dy", ".71em")
      .style("text-anchor", "end")
      .text("Anzahl");

  mini.append("g")
      .attr("class", "x axis")
      .attr("transform", "translate(0," + mini_height + ")")
      .call(main_xAxis);

  mini.append("path")
      .datum(data)
      .attr("class", "line")
      .attr("d", mini_line0);

  mini.append("path")
      .datum(data)
      .attr("class", "line")
      .attr("d", mini_line1);

  mini.append("g")
      .attr("class", "x brush")
      .call(brush)
    .selectAll("rect")
      .attr("y", -6)
      .attr("height", mini_height + 7);

  var focus = main.append("g")
      .attr("class", "focus")
      .style("display", "none");

  // Anzeige auf der Zeitleiste
  focus.append("line")
      .attr("class", "x")
      .attr("y1", main_y0(0) - 6)
      .attr("y2", main_y0(0) + 6)

  // Anzeige auf der linken Leiste
  focus.append("line")
      .attr("class", "y0")
      .attr("x1", main_width - 6) // nach links
      .attr("x2", main_width + 6); // nach rechts

  // Anzeige auf der rechten Leiste
  focus.append("line")
      .attr("class", "y1")
      .attr("x1", main_width - 6)
      .attr("x2", main_width + 6);

  focus.append("circle")
      .attr("class", "y0")
      .attr("r", 4);

  focus.append("text")
      .attr("class", "y0")
      .attr("dy", "-1em");

  focus.append("circle")
      .attr("class", "y1")
      .attr("r", 4);

  focus.append("text")
      .attr("class", "y1")
      .attr("dy", "-1em");

  main.append("rect")
      .attr("class", "overlay")
      .attr("width", main_width)
      .attr("height", main_height)
      .on("mouseover", function() { focus.style("display", null); })
      .on("mouseout", function() { focus.style("display", "none"); })
      .on("mousemove", mousemove);

  function mousemove() {
    var x0 = main_x.invert(d3.mouse(this)[0]),
        i = bisectDate(data, x0, 1),
        d0 = data[i - 1],
        d1 = data[i],
        d = x0 - d0.Uhrzeit > d1.Uhrzeit - x0 ? d1 : d0;
    focus.select("circle.y0").attr("transform", "translate(" + main_x(d.Uhrzeit) + "," + main_y0(d.Durchschn) + ")");
    focus.select("text.y0").attr("transform", "translate(" + main_x(d.Uhrzeit) + "," + main_y0(d.Durchschn) + ")").text(formatOutput0(d));
    focus.select("circle.y1").attr("transform", "translate(" + main_x(d.Uhrzeit) + "," + main_y1(d.Anz) + ")");
    focus.select("text.y1").attr("transform", "translate(" + main_x(d.Uhrzeit) + "," + main_y1(d.Anz) + ")").text(formatOutput1(d));
    focus.select(".x").attr("transform", "translate(" + main_x(d.Uhrzeit) + ",0)");
    focus.select(".y0").attr("transform", "translate(" + main_width * -1 + ", " + main_y0(d.Durchschn) + ")").attr("x2", main_width + main_x(d.Uhrzeit));
    focus.select(".y1").attr("transform", "translate(0, " + main_y1(d.Anz) + ")").attr("x1", main_x(d.Uhrzeit));
  }
});

function brush() {
  main_x.domain(brush.empty() ? mini_x.domain() : brush.extent());
  main.select(".line0").attr("d", main_line0);
  main.select(".line1").attr("d", main_line1);
  main.select(".x.axis").call(main_xAxis);
}
</script>