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@pstuffa
Last active September 18, 2016 20:54
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Scatterplot

This charts shows a [insert meaningful adjective] relationship between [some thing] and [a different thing]

<!DOCTYPE html>
<meta charset="utf-8">
<style>
body {
font: 10px sans-serif;
margin: 0;
}
.axis line,
.axis path {
fill: none;
stroke: #000;
shape-rendering: crispEdges;
}
.circles {
stroke: #000;
stroke-opacity: .4;
}
#button {
position: absolute;
top: 10px;
left: 250px;
}
</style>
<body>
<div id="button">
<button>Click Until It Seems To Support Whatever Point You're Trying To Make</button>
</div>
<br />
<script src="http://d3js.org/d3.v3.min.js"></script>
<script>
function randomData(datalist) {
for (var i = 0; i < 50; i++) {
var newNumber = Math.random() * 30;
datalist.push(newNumber);
}
}
var dataset = [];
randomData(dataset);
var margin = {top: 40, right: 40, bottom: 40, left: 40},
width = 900 - margin.left - margin.right,
height = 500 - margin.top - margin.bottom;
var x = d3.scale.linear()
.range([0, width])
.domain([-1, d3.max(dataset) + 1 ]).nice();
var y = d3.scale.linear()
.range([height, 0])
.domain([-5, 55]).nice();
var xAxis = d3.svg.axis()
.scale(x)
.orient("bottom")
.ticks(10)
.tickFormat('');
var yAxis = d3.svg.axis()
.scale(y)
.orient("left")
.ticks(10)
.tickFormat('');
var opacityScale = d3.scale.linear()
.domain([0.0,30.0])
.range([0.10, .80]);
var sizeScale = d3.scale.linear()
.domain([0.0,30.0])
.range([5, 30]);
// var colorScale = d3.scale.category10();
var circles = d3.select("body")
.select("svg")
.selectAll(".circles");
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 + ")");
svg.append("g")
.attr("class", "x axis")
.style("stroke-dasharray","1, 1")
.attr("transform", "translate(0," + height + ")")
.call(xAxis);
svg.append("g")
.attr("class", "y axis")
.style("stroke-dasharray", "1, 1" )
.attr("transform", "translate(0," + height + ")")
.attr("transform", "translate(0,0)")
.call(yAxis);
var AxisSelect = d3.selectAll("svg")
.select(".axis");
AxisSelect.append("text")
.attr("y", 6)
.attr("x", width/2)
.attr("dy", ".71em")
.style("text-anchor", "top")
.style("font","12px sans-serif")
.text("x");
AxisSelect.append("text")
.attr("transform", "rotate(-90)")
.attr("y", -20)
.attr("x", height/2)
.attr("dy", ".71em")
.style("text-anchor", "end")
.style("font","12px sans-serif")
.text("y");
svg.selectAll("circle")
.data(dataset)
.enter().append("circle")
.attr("class","circles")
.attr("r", function(d, i) { return sizeScale((Math.random() * 30)); })
.style("fill-opacity", function(d, i) { return opacityScale(i); })
// .style("fill", function(d, i) { return colorScale(i); })
.attr("cx", function(d, i) { return x(d); })
.attr("cy", function(d, i) { return y(i); });
function hover(d) {
d3.select(this)
.transition()
.ease("elastic")
.delay(0)
.duration(2000)
.attr("r", 40);
}
function hoverOut(d) {
d3.select(this)
.transition()
.ease("elastic")
.delay(300)
.duration(2000)
// .style("fill", function(d, i) { return colorScale((Math.random() * 30)); })
.style("fill-opacity", function(d, i) { return opacityScale((Math.random() * 30)); })
.attr("r", function(d, i) { return sizeScale((Math.random() * 30)); });
}
d3.selectAll(".circles")
.on("mouseover", hover)
.on("mouseout", hoverOut);
// ** Update data section (Called from the onclick)
function updateData() {
// Get the data again
var newdata = [];
randomData(newdata);
// Scale the range of the data again
x.domain([-1, d3.max(dataset) + 1 ]).nice();
d3.select("body").select("svg")
.selectAll("circle")
.data(newdata)
.transition()
.duration(1500)
.delay(100)
.ease("elastic")
.attr("class","circles")
.attr("r", 10)
.attr("r", function(d, i) { return sizeScale((Math.random() * 30)); })
.style("fill-opacity", function(d, i) { return opacityScale(d); })
// .style("fill", function(d, i) { return colorScale(i); })
.attr("cx", function(d, i) { return x(d); })
.attr("cy", function(d, i) { return y(i); });
d3.select("body").select("svg")
.select(".x.axis")
.transition()
.duration(750)
.call(xAxis);
}
d3.selectAll("button").on("click",updateData)
</script>
</body>
</html>
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