D3 Examples - Leanpub book download extrapolation

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<!DOCTYPE html>
<meta charset="utf-8">
<style>
​
body { font: 12px Arial;}
​
path { 
    stroke: steelblue;
    stroke-width: 2;
    fill: none;
}
​
.axis path,
.axis line {
    fill: none;
    stroke: grey;
    stroke-width: 1;
    shape-rendering: crispEdges;
}
​
</style>
<body>
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.17/d3.min.js"></script>
​
<script>
​
var margin = {top: 30, right: 50, bottom: 30, left: 60},
    width = 1900 - margin.left - margin.right,
    height = 870 - margin.top - margin.bottom;
​
var parseDate = d3.time.format("%Y-%m-%d %H:%M:%S").parse,
    formatDate = d3.time.format("%d-%b"),
    bisectDate = d3.bisector(function(d) { return d.date; }).left; 
​
var x = d3.time.scale().range([0, width]);
var y = d3.scale.linear().range([height, 0]);
​
var xAxis = d3.svg.axis().scale(x)
    .orient("bottom").ticks(8);
​
var yAxis = d3.svg.axis().scale(y)
    .orient("left").ticks(5);
​
var valueline = d3.svg.line()
    .interpolate("basis")
    .x(function(d) { return x(d.date); })
    .y(function(d) { return y(d.bt); });
    
var valueline2 = d3.svg.line()
    .interpolate("basis")
    .x(function(d) { return x(d.date); })
    .y(function(d) { return y(d.tnbb); });
  
var valueline3 = d3.svg.line()
    .interpolate("basis")
    .x(function(d) { return x(d.date); })
    .y(function(d) { return y(d.hon); });
  
var valueline4 = d3.svg.line()
    .interpolate("basis")
    .x(function(d) { return x(d.date); })
    .y(function(d) { return y(d.d3tat); });
  
var valueline5 = d3.svg.line()
    .interpolate("basis")
    .x(function(d) { return x(d.date); })
    .y(function(d) { return y(d.htdwyl); });
  
var valueline6 = d3.svg.line()
    .interpolate("basis")
    .x(function(d) { return x(d.date); })
    .y(function(d) { return y(d.watir); });
  
var valueline7 = d3.svg.line()
    .interpolate("basis")
    .x(function(d) { return x(d.date); })
    .y(function(d) { return y(d.lh); });
  
var valueline8 = d3.svg.line()
    .interpolate("basis")
    .x(function(d) { return x(d.date); })
    .y(function(d) { return y(d.taopwi); });
  
var valueline9 = d3.svg.line()
    .interpolate("basis")
    .x(function(d) { return x(d.date); })
    .y(function(d) { return y(d.qgffoad); });
  
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 + ")");
​
var focus = svg.append("g") 
    .style("display", "none");
​
// Get the data
d3.csv("books2dayEX.csv", function(error, data){
​
    data.forEach(function(d) {
        d.date = parseDate(d.date);
    });
​
​
​
    // Scale the range of the data
    x.domain(d3.extent(data, function(d) { return d.date; }));
​
// console.log(data);
​
    y.domain([
        d3.min(data, function(d) { return Math.min(d.bt,d.tnbb,d.hon,d.d3tat,d.htdwyl,d.watir,d.lh,d.taopwi,d.qgffoad); }), 
        d3.max(data, function(d) { return Math.max(d.bt,d.tnbb,d.hon,d.d3tat,d.htdwyl,d.watir,d.lh,d.taopwi,d.qgffoad); })
        ]);
​
    svg.append("path")      // Add the valueline path.
        .attr("class", "line")
        .style("stroke", "red")
        .attr("d", valueline(data));
​
    svg.append("path")      // Add the valueline2 path.
        .attr("class", "line")
        .style("stroke", "steelblue")
        .attr("d", valueline2(data));
​
    svg.append("path")      // Add the valueline3 path.
        .attr("class", "line")
        .style("stroke", "green")
        .attr("d", valueline3(data));
// D3 Tips and tricks line
    svg.append("path")      // Add the valueline4 path.
        .attr("class", "line")
        .style("stroke", "black")
        .attr("d", valueline4(data));
​
    svg.append("path")      // Add the valueline5 path.
        .attr("class", "line")
        .style("stroke", "purple")
        .attr("d", valueline5(data));
​
    svg.append("path")      // Add the valueline6 path.
        .attr("class", "line")
        .style("stroke", "orange")
        .attr("d", valueline6(data));
​
    svg.append("path")      // Add the valueline7 path.
        .attr("class", "line")
        .style("stroke", "grey")
        .attr("d", valueline7(data));
​
    svg.append("path")      // Add the valueline8 path.
        .attr("class", "line")
        .style("stroke", "blue")
        .attr("d", valueline8(data));
​
    svg.append("path")      // Add the valueline9 path.
        .attr("class", "line")
        .style("stroke", "red")
        .attr("d", valueline9(data));
​
​
    svg.append("g")         // Add the X Axis
        .attr("class", "x axis")
        .attr("transform", "translate(0," + height + ")")
        .call(xAxis);
​
    svg.append("g")         // Add the Y Axis
        .attr("class", "y axis")
        .call(yAxis);
​
   // append the x line
    focus.append("line")
        .attr("class", "x")
        .style("stroke", "blue")
        .style("stroke-dasharray", "3,3")
        .style("opacity", 0.5)
        .attr("y1", 0)
        .attr("y2", height);
​
    // append the y line
    focus.append("line")
        .attr("class", "y")
        .style("stroke", "blue")
        .style("stroke-dasharray", "3,3")
        .style("opacity", 0.5)
        .attr("x1", width)
        .attr("x2", width);
​
    // place the value at the intersection
    focus.append("text")
        .attr("class", "y1")
        .style("stroke", "white")
        .style("stroke-width", "3.5px")
        .style("opacity", 0.8)
        .attr("dx", 8)
        .attr("dy", "-.3em");
    focus.append("text")
        .attr("class", "y2")
        .attr("dx", 8)
        .attr("dy", "-.3em");
        
    // place the date at the intersection
    focus.append("text")
        .attr("class", "y3")
        .style("stroke", "white")
        .style("stroke-width", "3.5px")
        .style("opacity", 0.8)
        .attr("dx", 8)
        .attr("dy", "1em");
    focus.append("text")
        .attr("class", "y4")
        .attr("dx", 8)
        .attr("dy", "1em");
​
    // append the rectangle to capture mouse
    svg.append("rect")
        .attr("width", width)
        .attr("height", height)
        .style("fill", "none")
        .style("pointer-events", "all")
        .on("mouseover", function() { focus.style("display", null); })
        .on("mouseout", function() { focus.style("display", "none"); })
        .on("mousemove", mousemove);
​
    function mousemove() {
        var x0 = x.invert(d3.mouse(this)[0]),
            y0 = d3.mouse(this)[1]
            y1 = parseInt(y.invert(y0)),
            date1 = d3.mouse(this)[0];
​
// console.log(x0);
​
        focus.select(".x")
            .attr("transform",
                  "translate(" + date1 + "," + (0) + ")")
            .attr("y2", height );
            
        focus.select(".y")
            .attr("transform",
                  "translate(" + width * -1 + "," +
                                 y0 + ")")
            .attr("x2", width + width);
​
        focus.select("text.y1")
            .attr("transform",
                  "translate(" + (date1 + 5) + "," + (y0) + ")")
            .text(formatDate(x0));
​
        focus.select("text.y2")
            .attr("transform",
                  "translate(" + (date1 + 5) + "," + (y0) + ")")
            .text(formatDate(x0));
        focus.select("text.y3")
            .attr("transform",
                  "translate(" + (date1 + 7) + "," + (y0 + 4) + ")")
            .text(y1);
​
        focus.select("text.y4")
            .attr("transform",
                  "translate(" + (date1 + 7) + "," + (y0 + 4) + ")")
            .text(y1);
    }
​
    svg.append("text")
        .attr("transform", "translate(" + (width+3) + "," + y(data[data.length-1].bt) + ")")
        .attr("dy", ".35em")
        .attr("text-anchor", "start")
        .style("fill", "red")
        .text("bt");
​
    svg.append("text")
        .attr("transform", "translate(" + (width+3) + "," + y(data[data.length-1].tnbb) + ")")
        .attr("dy", ".35em")
        .attr("text-anchor", "start")
        .style("fill", "steelblue")
        .text("tnbb");
​
    svg.append("text")
        .attr("transform", "translate(" + (width+3) + "," + y(data[data.length-1].hon) + ")")
        .attr("dy", ".35em")
        .attr("text-anchor", "start")
        .style("fill", "green")
        .text("hon");
​
// D3 Tips and tricks line
    svg.append("text")
        .attr("transform", "translate(" + (width+3) + "," + y(data[data.length-1].d3tat) + ")")
        .attr("dy", ".35em")
        .attr("text-anchor", "start")
        .style("fill", "black")
        .text("d3tat");
​
​
    svg.append("text")
        .attr("transform", "translate(" + (width+3) + "," + y(data[data.length-1].htdwyl) + ")")
        .attr("dy", ".35em")
        .attr("text-anchor", "start")
        .style("fill", "purple")
        .text("htdwyl");
​
    svg.append("text")
        .attr("transform", "translate(" + (width+3) + "," + y(data[data.length-1].watir) + ")")
        .attr("dy", ".35em")
        .attr("text-anchor", "start")
        .style("fill", "orange")
        .text("watir");
​
    svg.append("text")
        .attr("transform", "translate(" + (width+3) + "," + y(data[data.length-1].lh) + ")")
        .attr("dy", ".35em")
        .attr("text-anchor", "start")
        .style("fill", "grey")
        .text("lh");
​
    svg.append("text")
        .attr("transform", "translate(" + (width+3) + "," + y(data[data.length-1].taopwi) + ")")
        .attr("dy", ".35em")
        .attr("text-anchor", "start")
        .style("fill", "blue")
        .text("taopwi");
​
    svg.append("text")
        .attr("transform", "translate(" + (width+3) + "," + y(data[data.length-1].qgffoad) + ")")
        .attr("dy", ".35em")
        .attr("text-anchor", "start")
        .style("fill", "red")
        .text("qgffoad");
​
});
​
</script>
</body>
​
    