dataviscourse_old/d3_intro/data_object_solution.html at master · lucassfer/dataviscourse_old · GitHub

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<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>Vinculando um vetor de objetos</title>
    <link rel="stylesheet" href="css/styles.css">
   <script src="https://d3js.org/d3.v4.min.js"></script>
</head>

<body>

<script type="text/javascript">
    let data = [
        {width: 10, color: 23},{width: 15, color: 33},
        {width: 30, color: 40},{width: 50, color: 60},
        {width: 80, color: 22},{width: 65, color: 10},
        {width: 55, color: 5},{width: 30, color: 30},
        {width: 20, color: 60},{width: 10, color: 90},
        {width: 8, color: 10}
    ];

    let colorScale = d3.scaleLinear()
        .domain([0, 100])
        .range(["#deebf7", "#08306b"]); // Escala de cor

    function render(data) {
        // Enter
        d3.select("body").selectAll("div.h-bar")
            .data(data)
            .enter()
                .append("div")
                    .attr("class", "h-bar")
                .append("span");
        // Update
        d3.select("body").selectAll("div.h-bar")
            .data(data)
                .style("width", function (d) {
                    return (d.width * 5) + "px";
                })
                .style("background-color", function(d){
                    return colorScale(d.color);
                })
                .select("span")
                    .text(function (d) {
                        return d.width;
                    });
    }
    render(data);
</script>

</body>
</html>