d3 area chart

by mickeyvip

CSS

body {
    font: 12px Arial;
}
path {
    stroke: steelblue;
    stroke-width: 3;
    fill: none;
}
path.total {
    stroke: orange;
}
.axis path, .axis line {
    fill: none;
    stroke: grey;
    stroke-width: 1;
    shape-rendering: crispEdges;
}
.grid .tick {
    stroke: lightgrey;
    ;
    opacity: 0.7;
}
.grid path {
    stroke-width: 0;
}
.area {
    fill: lightsteelblue;
    stroke-width: 0;
}
div.tooltip {
    position: absolute;
    text-align: center;
    width: 60px;
    height: 28px;
    padding: 2px;
    font: 12px sans-serif;
    background: lightsteelblue;
    border: 0px;
    border-radius: 8px;
    border: 1px solid steelblue;
    pointer-events: none;
}
circle {
    fill: steelblue;
}

JavaScript

var data = [{
    date: "1-May-12",
    close: "58.13"
}, {
    date: "30-Apr-12",
    close: "53.98"
}, {
    date: "27-Apr-12",
    close: "67.00"
}, {
    date: "26-Apr-12",
    close: "89.70"
}, {
    date: "25-Apr-12",
    close: "99.00"
}];
var data1 = [{
    date: "1-May-12",
    close: "120"
}, {
    date: "25-Apr-12",
    close: "120"
}];
var margin = {
    top: 30,
    right: 20,
    bottom: 30,
    left: 50
},
width = 600 - margin.left - margin.right,
    height = 270 - margin.top - margin.bottom;
var parseDate = d3.time.format("%d-%b-%y").parse;
var x = d3.time.scale().range([0, width]);
var y = d3.scale.linear().range([height, 0]);
debugger;
var xAxis = d3.svg.axis().scale(x).orient("bottom").ticks(5);
var yAxis = d3.svg.axis().scale(y).orient("left").ticks(5);

var area = d3.svg.area()
    .x(function (d) {
    return x(d.date);
})
    .y0(height)
    .y1(function (d) {
    return y(d.close);
});

var valueline = d3.svg.line()
//.interpolate("basis")
.x(function (d) {
    return x(d.date);
})
    .y(function (d) {
    return y(d.close);
});
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 + ")");

function make_x_axis() {
    return d3.svg.axis()
        .scale(x)
        .orient("bottom")
        .ticks(5)
}

function make_y_axis() {
    return d3.svg.axis()
        .scale(y)
        .orient("left")
        .ticks(5)
}

var formatTime = d3.time.format("%e %B");
// Get the data
data.forEach(function (d) {
    d.date = parseDate(d.date);
    d.close = +d.close;
});
data1.forEach(function (d) {
    d.date = parseDate(d.date);
    d.close = +d.close;
});
// Scale the range of the data
x.domain(d3.extent(data, function (d) {
    return d.date;
}));
y.domain([0, d3.max(data.concat(data1), function (d) {
    return d.close;
})]);
svg.append("g") // Add the X...