JSFiddle - React, Tailwind, and code Playground

by Chinmay Pendharkar

HTML

<script src="http://d3js.org/d3.v3.js"></script>
 <h1><center> Welcome to Emosis!</center> </h1>

<br>
 <h3>Choose your Patient: </h3>

<br>
<select id="Patients" onchange="updateData()">
    <option value=0>Choose Patient</option>
    <option value=1>Patient 1: 24/06/2014 13:11</option>
    <option value=2>Patient 2: 24/06/2014 15:52</option>
    <option value=3>Patient 3: 25/05/2014 11:20</option>
</select>
<br>
<center>
    <button onclick="fftdata()">View frequency domain</button>
</center>
<center>
    <button onclick="timedata()">View time domain</button>
</center>

CSS

body {
    font: 10px sans-serif;
}
.chart {
    margin: auto;
    width: 70%;
}
.graph {
    margin: auto;
}
.axis path, .axis line {
    fill: none;
    stroke: #000;
    shape-rendering: crispEdges;
}
.x.axis path {
    display: none;
}
.line {
    fill: none;
    stroke: firebrick;
    stroke-width: 1.5px;
}
.line2 {
    fill: none;
    stroke: steelblue;
    stroke-width: 1.5px;
}
.grid .tick {
    stroke: lightgrey;
    opacity: 0.7;
}
.grid path {
    stroke-width: 0;
}

JavaScript

var margin = {
    top: 200,
    right: 0,
    bottom: 30,
    left: 100
},
width = 550 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;

var parseDate = d3.time.format("%d-%b-%y").parse; //need to change later

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(6);

var yAxis = d3.svg.axis().scale(y)
    .orient("left")
    .ticks(5);

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

var line2 = d3.svg.line()
    .x(function (d) {
    return x(d.date);
})
    .y(function (d) {
    return y(d.close);
});

var chart = d3.select("body").append("div")
    .attr("class", "chart");

//create the canvas to draw on. 
var svg = chart.append("svg")
    .attr("width", width + margin.left + margin.right)
    .attr("height", height + margin.top + margin.bottom)
    .attr("class", "graph")
    .append("g") //grouping element
.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
//creating second canvas to draw on

var svg2 = chart.append("svg")
    .attr("width", width + margin.left + margin.right)
    .attr("height", height + margin.top + margin.bottom)
    .attr("class", "graph")
    .append("g")
    .attr("transform", "translate(" + margin.left + "," + margin.top + ")");

//get the data through request function 
d3.csv("http://128.199.248.15/datasho1.csv", function (error, data) {
    data.forEach(function (d) {
        d.date = parseDate(d.date);
        d.close = +d.close;
    });

    //scale data range 
    x.domain(d3.extent(data, function (d) {
        return d.date;
    }));
    y.domain(d3.extent(data, function (d) {
        return d.close;
    }));

    svg.append("g")
        .attr("class", "x axis")
        .attr("transform", "translate(0," + height + ")")
        .call(xAxis)
        .append("text")
       ...