Built with blockbuilder.org
xxxxxxxxxx
<meta charset="utf-8">
<style>
body {
font: 10px sans-serif;
}
.axis path, .axis line {
fill: none;
stroke: #000;
shape-rendering: crispEdges;
}
.dot {
stroke: #000;
}
.tooltip {
position: absolute;
width: 200px;
height: 28px;
pointer-events: none;
}
</style>
<body>
<script src="https://d3js.org/d3.v4.min.js"></script>
<script>
var margin = {top: 20, right: 20, bottom: 30, left: 40},
width = 960 - margin.left - margin.right,
height = 500 - margin.top - margin.bottom;
var x = d3.scaleLinear()
.range([0, width]);
var y = d3.scaleLinear()
.range([height, 0]);
var r = d3.scaleSqrt()
.range([2,10]);
var xAxis = d3.axisBottom()
.scale(x);
var yAxis = d3.axisLeft()
.scale(y);
var color = d3.scaleOrdinal(d3.schemeCategory20);
var symbols = d3.scaleOrdinal(d3.symbols);
// creates a generator for symbols
var symbol = d3.symbol().size(100);
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 + ")");
var tooltip = d3.select("body").append("div")
.attr("class", "tooltip")
.style("opacity", 0);
d3.csv('iris.csv', function(error, data){
data.forEach(function(d){
d.sepal_length = +d.sepal_length;
d.sepal_width = +d.sepal_width;
d.petal_length = +d.petal_length;
d.petal_width = +d.petal_width;
});
x.domain(d3.extent(data, function(d){
return d.sepal_length;
})).nice();
y.domain(d3.extent(data, function(d){
return d.sepal_width;
})).nice();
r.domain(d3.extent(data, function(d){
return d.petal_length;
})).nice();
svg.append('g')
.attr('transform', 'translate(0,' + height + ')')
.attr('class', 'x axis')
.call(xAxis);
svg.append('g')
.attr('transform', 'translate(0,0)')
.attr('class', 'y axis')
.call(yAxis);
svg.append('text')
.attr('x', 10)
.attr('y', 10)
.attr('class', 'label')
.text('Sepal Width');
svg.append('text')
.attr('x', width)
.attr('y', height - 10)
.attr('text-anchor', 'end')
.attr('class', 'label')
.text('Sepal Length');
// we use the ordinal scale symbols to generate symbols
// such as d3.symbolCross, etc..
// -> symbol.type(d3.symbolCross)()
svg.selectAll(".symbol")
.data(data)
.enter().append("path")
.attr("class", "symbol")
.attr("d", function(d, i) { return symbol.type(symbols(d.species))(); })
.style("fill", function(d) { return color(d.species); })
.attr("transform", function(d) {
return "translate(" + x(d.sepal_length) + "," + y(d.sepal_width) +")";
});
var legend = svg.selectAll(".legend")
.data(color.domain())
.enter().append("g")
.attr("class", "legend")
.attr("transform", function(d, i) { return "translate(0," + i * 20 + ")"; });
legend.append("path")
.style("fill", function(d) { return color(d); })
.attr("d", function(d, i) { return symbol.type(symbols(d))(); })
.attr("transform", function(d, i) {
return "translate(" + (width -10) + "," + 10 + ")";
});
legend.append("text")
.attr("x", width - 24)
.attr("y", 9)
.attr("dy", ".35em")
.style("text-anchor", "end")
.text(function(d) { return d; });
});
</script>
https://d3js.org/d3.v4.min.js