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<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="utf-8">
        <script type="text/javascript" src="http://mbostock.github.com/d3/d3.js"></script>
        <style type="text/css">
            
            .axis path,
            .axis line {
                fill: none;
                stroke: black;
                shape-rendering: crispEdges;
            }
            
            .axis text {
                font-family: sans-serif;
                font-size: 11px;
            }
​
            .y1 {
                fill: white;
                stroke: orange;
                stroke-width: 1.5px;
            }
​
            .y2 {
                fill: white;
                stroke: red;
                stroke-width: 1.5px;
            }
​
            .y3 {
                fill: white;
                stroke: steelblue;
                stroke-width: 1.5px;
            }
​
            .line {
              fill: none;
              stroke-width: 1.5px;
            }
​
            div.tooltip {
                position: absolute;
                text-align: center;
                width: 50px;
                height: 10px;
                padding: 5px;
                font: 10px sans-serif;
                background: whiteSmoke;
                border: solid 1px #aaa;
                pointer-events: none;
                box-shadow: 2px 2px 1px #888;
            }
​
            .legend {
                padding: 5px;
                font: 10px sans-serif;
                background: yellow;
                box-shadow: 2px 2px 1px #888;
            }
​
            .title {
                font: 13px sans-serif;
            }
​
        </style>
    </head>
    <body>
        <script type="text/javascript">
​
    //Width and height
    var w = 500;
    var h = 300;
    var padding = 50;
      
    var now = d3.time.hour.utc(new Date);
    var dataset = [
        [ 
            {x: d3.time.hour.utc.offset(now, -5), y: 0}, 
            {x: d3.time.hour.utc.offset(now, -4), y: 0}, 
            {x: d3.time.hour.utc.offset(now, -3), y: 2}, 
            {x: d3.time.hour.utc.offset(now, -2), y: 0}, 
            {x: d3.time.hour.utc.offset(now, -1), y: 0}, 
            {x: now, y: 0}
        ],
        [
            {x: d3.time.hour.utc.offset(now, -5), y: 3}, 
            {x: d3.time.hour.utc.offset(now, -4), y: 1}, 
            {x: d3.time.hour.utc.offset(now, -3), y: 3}, 
            {x: d3.time.hour.utc.offset(now, -2), y: 1}, 
            {x: d3.time.hour.utc.offset(now, -1), y: 5}, 
            {x: now, y: 1}
        ],
        [
            {x: d3.time.hour.utc.offset(now, -5), y: 2}, 
            {x: d3.time.hour.utc.offset(now, -4), y: 4}, 
            {x: d3.time.hour.utc.offset(now, -3), y: 1}, 
            {x: d3.time.hour.utc.offset(now, -2), y: 2}, 
            {x: d3.time.hour.utc.offset(now, -1), y: 3}, 
            {x: now, y: 1}
        ]
    ];
​
    var color_hash = {  0 : ["apple", "green"],
                        1 : ["mango", "orange"],
                        2 : ["cherry", "red"]
                      }                      
    
    // Define axis ranges & scales        
    var yExtents = d3.extent(d3.merge(dataset), function (d) { return d.y; });
    var xExtents = d3.extent(d3.merge(dataset), function (d) { return d.x; });
         
    var xScale = d3.time.scale()
           .domain([xExtents[0], xExtents[1]])
           .range([padding, w - padding * 2]);
​
    var yScale = d3.scale.linear()
           .domain([0, yExtents[1]])
           .range([h - padding, padding]);
​
​
    // Create SVG element
    var svg = d3.select("body")
        .append("svg")
        .attr("width", w)
        .attr("height", h);
​
​
    // Define lines
    var line = d3.svg.line()
           .x(function(d) { return x(d.x); })
           .y(function(d) { return y(d.y1, d.y2, d.y3); });
​
    var pathContainers = svg.selectAll('g.line')
    .data(dataset);
​
    pathContainers.enter().append('g')
    .attr('class', 'line')
    .attr("style", function(d) {
        return "stroke: " + color_hash[dataset.indexOf(d)][1]; 
    });
​
    pathContainers.selectAll('path')
    .data(function (d) { return [d]; }) // continues the data from the pathContainer
    .enter().append('path')
      .attr('d', d3.svg.line()
        .x(function (d) { return xScale(d.x); })
        .y(function (d) { return yScale(d.y); })
      );
​
    // add circles
    pathContainers.selectAll('circle')
    .data(function (d) { return d; })
    .enter().append('circle')
    .attr('cx', function (d) { return xScale(d.x); })
    .attr('cy', function (d) { return yScale(d.y); })
    .attr('r', 3); 
      
    //Define X axis
    var xAxis = d3.svg.axis()
            .scale(xScale)
            .orient("bottom")
            .ticks(5);
​
    //Define Y axis
    var yAxis = d3.svg.axis()
            .scale(yScale)
            .orient("left")
            .ticks(5);
​
    //Add X axis
    svg.append("g")
    .attr("class", "axis")
    .attr("transform", "translate(0," + (h - padding) + ")")
    .call(xAxis);
​
    //Add Y axis
    svg.append("g")
    .attr("class", "axis")
    .attr("transform", "translate(" + padding + ",0)")
    .call(yAxis);
​
    // Add title      
    svg.append("svg:text")
           .attr("class", "title")
       .attr("x", 20)
       .attr("y", 20)
       .text("Fruit Sold Per Hour");
​
​
    // add legend   
    var legend = svg.append("g")
      .attr("class", "legend")
      .attr("x", w - 65)
      .attr("y", 25)
      .attr("height", 100)
      .attr("width", 100);
​
    legend.append("rect")
      .attr("x", w - 65)
      .attr("y", 25)
      .attr("width", 10)
      .attr("height", 10)
      .style("fill", function(d) { return color_hash[dataset.indexOf(d)][1] });
​
    legend.append("text")
      .attr("x", w - 65)
      .attr("y", 25)
      .text(function(d) { return color_hash[dataset.indexOf(d)][0] + ": " + d; });
​
        </script>
    </body>
</html>
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