Created
January 14, 2015 01:46
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More interesting Scatterplot
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<html> | |
<head> | |
<script src="http://d3js.org/d3.v3.js"></script> | |
<style> | |
.axis path, | |
.axis line { | |
fill: none; | |
stroke: green; | |
stroke-width: 3px; | |
shape-rendering: crispEdges; | |
} | |
.axis text { | |
font-family: sans-serif; | |
font-size: 11px; | |
fill: #743403; | |
} | |
</style> | |
</head> | |
<body> | |
<script> | |
// size of svg | |
var h = 500; | |
var w = 500; | |
var padding = 30; | |
// generate random data (real data coming soon :) | |
var dataset = []; | |
var xRange = Math.random() * 1000; | |
var yRange = Math.random() * 1000; | |
for(var i = 0; i < 50; i++) { | |
dataset.push([Math.round(Math.random() * xRange), Math.round(Math.random() * yRange)]); | |
} | |
// make scales | |
var xScale = d3.scale.linear() | |
.domain([0, d3.max(dataset, function(d) { return d[0]; })]) | |
.range([padding, w - padding]); | |
var yScale = d3.scale.linear() | |
.domain([0, d3.max(dataset, function(d) { return d[1]; })]) | |
.range([h - padding, padding]); | |
var rScale = d3.scale.linear() | |
.domain([0, d3.max(dataset, function(d) { return d[1]; })]) | |
.range([2,5]); | |
var colorScale = d3.scale.linear() | |
.domain([0, d3.max(dataset, function(d) { return d[0]; })]) | |
.range(["yellow","purple"]); | |
// append the svg | |
var svg = d3.select("body") | |
.append("svg") | |
.attr("height", h) | |
.attr("width", w); | |
// plot the data | |
svg.selectAll("circle") | |
.data(dataset) | |
.enter() | |
.append("circle") | |
.attr("cx", function(d){ | |
return xScale(d[0]); | |
}) | |
.attr("cy", function(d){ | |
return yScale(d[1]); | |
}) | |
.attr("r", function(d){ | |
return rScale(d[1]); | |
}) | |
.attr("fill", function(d){ | |
return colorScale(d[0]); | |
}) | |
// add the axes | |
var xAxis = d3.svg.axis() | |
.scale(xScale) | |
.orient("bottom") | |
.ticks(5); | |
svg.append("g") | |
.attr("class", "axis") | |
.attr("transform", "translate(0," + (h - padding) + ")") | |
.call(xAxis); | |
var yAxis = d3.svg.axis() | |
.scale(yScale) | |
.orient("left") | |
.ticks(5); | |
svg.append("g") | |
.attr("class", "axis") | |
.attr("transform", "translate(" + padding + ",0)") | |
.call(yAxis); | |
</script> | |
</body> | |
</html> |
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