Group E - Data Visualization Assignment 3

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<!DOCTYPE html>

circle {
    stroke: white;
}

text {
    font-size: 0.9em;
    font-family: 'Helvetica';
}

.label {
    font-size: 1em;
}

.title {
    font-size: 2em;
}

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

circle {//fill: none; stroke-width: 2px;}
</style>
<script src="https://d3js.org/d3.v3.min.js"></script>
<body>

var outerWidth = 800,
    outerHeight = 600;

var margin = {"left": 70, "right": 70, "top": 100, "bottom": 90};
var innerWidth  = outerWidth - margin.left - margin.right;
var innerHeight = outerHeight - margin.top - margin.bottom;

var xColumn = "sepal_length",
    yColumn = "petal_width",
    rColumn = "sepal_length",
    colorColumn = "species";

var minRadius = 1,
    maxRadius = 13;

var xScale = d3.scale.linear().range([0, innerWidth]);
var yScale = d3.scale.linear().range([innerHeight, 0]);
var rScale = d3.scale.linear().range([minRadius, maxRadius]);

var colorScale = d3.scale.category10();

var svg = d3.select("body").append("svg")
    .attr("width", outerWidth)
    .attr("height", outerHeight);

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

// Axes group
var xAxisG = g.append("g")
    .attr("transform", "translate(0," + innerHeight + ")");

var title = g.append("text")
    .style("text-anchor", "middle")
    .attr("transform", "translate(" + (innerWidth / 2) + "," + (-0.5*margin.top) + ")")
    .attr("class", "title")
    .text("Iris Dataset");

var xAxisLabel = xAxisG.append("text")
    .style("text-anchor", "middle")
    .attr("transform", "translate(" + (innerWidth / 2) + "," + (0.5*margin.bottom) + ")")
    .attr("class", "label")
    .text(xColumn + " (cm)");

var yAxisG = g.append("g");

var yAxisLabel = yAxisG.append("text")
    .style("text-anchor", "end")
    .attr("transform", "rotate(-90)")
    .attr("dy", "-3em")
    .attr("dx", "-8em")
    .attr("class", "label")
    .text(yColumn + " (cm)");

// Axes
var xAxis = d3.svg.axis().scale(xScale).orient("bottom");
var yAxis = d3.svg.axis().scale(yScale).orient("left");

function render(data) {

xScale.domain(d3.extent(data, function(d) { return d[xColumn]; }));
    yScale.domain([0, d3.max(data, function(d) { return d[yColumn]; })]);
    rScale.domain(d3.extent(data, function(d) { return d[rColumn]; }));

xAxisG.call(xAxis);
    console.log("HELLO");
    yAxisG.call(yAxis);

// Bind
    var circles = g.selectAll("circle").data(data);

// Enter
    circles.enter().append("circle");

// Update
    circles
        .attr("r",    function(d) { return rScale(d[rColumn]); })
        .attr("cx",   function(d) { return xScale(d[xColumn]); })
        .attr("cy",   function(d) { return yScale(d[yColumn]); })
        .attr("fill", function(d) { return colorScale(d[colorColumn]); });

// Exit
    circles.exit().remove();
}

function type(d) {
    d.sepal_width  = +d.sepal_width;
    d.sepal_length = +d.sepal_length;
    d.petal_width  = +d.petal_width;
    d.petal_length = +d.petal_length;
    return d;
}

d3.csv("https://raw.githubusercontent.com/kamalnroy/ie/master/iris.csv", type, render);

</script>
    
</body>
</html>

https://d3js.org/d3.v3.min.js