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forked from romsson's block: connection between charts
forked from giguerre's block: connection between charts
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<head>
<meta charset="utf-8">
<script src="https://d3js.org/d3.v4.min.js"></script>
<style>
body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
</style>
</head>
<body>
<div>
<div id="chart1" style="background-color: white; width: 40%; height: 40%; display: inline-block;"></div>
<div id="chart2" style="background-color: white; width: 40%; height: 200px; display: inline-block;"></div>
</div>
<script>
var margin = {top: 20, right: 20, bottom: 30, left: 40},
width = 260 - margin.left - margin.right,
height = 200 - margin.top - margin.bottom;
function create_scatterplot(el, data, var_x, var_y, size) {
var x = d3.scaleLinear()
.range([0, width]);
var y = d3.scaleLinear()
.range([height, 0]);
var color = d3.scaleOrdinal(d3.schemeCategory20);
// color.domain(["viriginica", ...])
var symbols = d3.scaleOrdinal(d3.symbols);
// creates a generator for symbols
var symbol = d3.symbol().size(100);
var svg = el.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 + ")");
x.domain(d3.extent(data, function(d){
return d.sepal_length;
})).nice();
y.domain(d3.extent(data, function(d){
return d.sepal_width;
})).nice();
// we use the ordinal scale symbols to generate symbols
// such as d3.symbolCross, etc..
// -> symbol.type(d3.symbolCross)()
svg.selectAll("path")
.data(data)
.enter().append("path")
.attr("class", "symbol")
.attr("id", function(d, i) {
return "id_" + i;
})
.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) +")";
})
.on("mouseenter", function(d, i){
d3.selectAll(".symbol").style("opacity", 1)
console.log(i)
d3.selectAll("#id_" + i)
.style("stroke-width", 1)
.style("stroke", "black")
// d3.selectAll(".symbol")
// .filter(function(e) {
// return d !== e;
// })
// .style("opacity", .1)
})
}
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;
});
create_scatterplot(d3.select("#chart1"), data); //, data, var_x, var_y, size) {
create_scatterplot(d3.select("#chart2"), data);
});
</script>
</body>
https://d3js.org/d3.v4.min.js