dataviscourse_old/d3_scale/01_scatterplot.html at master · lucassfer/dataviscourse_old · GitHub

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<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>Scatterplot</title>
    <script src="https://d3js.org/d3.v5.min.js"></script>
</head>

<body>
<div id="chart"></div>
<script type="text/javascript">
    let w = 500;
    let h = 100;
    let dataset = [
            [5, 20], [480, 90], [250, 50],
            [100, 33], [330, 95], [410, 12],
            [475, 44], [25, 67], [85, 21],
            [220, 88] ];

    // Crie o elemento svg
    let svg = d3.select("#chart")
                .append("svg")
                .attr("width", w)
                .attr("height", h);
    let xScale = d3.scaleLinear()
                     .domain([0, d3.max(dataset, function(d) {
                                        return d[0];
                                    })])
                     .range([0,w]);
    let yScale = d3.scaleLinear()
                     .domain([0, d3.max(dataset, function(d) {
                                        return d[1];
                                    })])
                     .range([h,0]);
    // Depois adicione os elementos círculos
    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", 5);
    // Depois adicione os labels
    svg.selectAll("text")
         .data(dataset)
         .enter()
         .append("text")
         .attr("x", function(d){
         return xScale(d[0]);
         })
         .attr("y", function(d){
         return yScale(d[1]);
         })
         .attr("font-family", "sansserif")

         .attr("font-size", "11px")
         .attr("fill", "red")
         .text(function(d) {
         return d[0] + ',' + d[1];
         });

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