コード例


<!DOCTYPE html>
<html>

<head>
  <meta charset="utf-8">
  <title>D3 Scatter Plot</title>
  <script src="https://d3js.org/d3.v5.min.js"></script>
</head>

<body>
  <script src="https://code.jquery.com/jquery-3.6.3.min.js"></script>
  <div>
  <button id="map-pin-1-button">map-pin-1</button>
</div>
  <script>

    // 1. データの準備
    var dataset = [
      [5, 20],
      [480, 90],
      [250, 50],
      [100, 33],
      [330, 95],
      [410, 12],
      [475, 44],
      [25, 67],
      [85, 21],
      [220, 88]
    ];

    var width = 500; // グラフの幅
    var height = 500; // グラフの高さ
    var margin = { "top": 30, "bottom": 60, "right": 30, "left": 60 };

    // 2. SVG領域の設定
    var svg = d3.select("body").append("svg").attr("width", width).attr("height", height);

    // 3. 軸スケールの設定
    var xScale = d3.scaleLinear()
      .domain([0, d3.max(dataset, function (d) { return d[0]; })])
      .range([margin.left, width - margin.right]);

    var yScale = d3.scaleLinear()
      .domain([0, d3.max(dataset, function (d) { return d[1]; })])
      .range([height - margin.bottom, margin.top]);

    // 4. 軸の表示
    var axisx = d3.axisBottom(xScale).ticks(5);
    var axisy = d3.axisLeft(yScale).ticks(5);

    svg.append("g")
      .attr("transform", "translate(" + 0 + "," + (height - margin.bottom) + ")")
      .call(axisx)
      .append("text")
      .attr("fill", "black")
      .attr("x", (width - margin.left - margin.right) / 2 + margin.left)
      .attr("y", 35)
      .attr("text-anchor", "middle")
      .attr("font-size", "10pt")
      .attr("font-weight", "bold")
      .text("横軸");

    svg.append("g")
      .attr("transform", "translate(" + margin.left + "," + 0 + ")")
      .call(axisy)
      .append("text")
      .attr("fill", "black")
      .attr("x", -(height - margin.top - margin.bottom) / 2 - margin.top)
      .attr("y", -35)
      .attr("transform", "rotate(-90)")
      .attr("text-anchor", "middle")
      .attr("font-weight", "bold")
      .attr("font-size", "10pt")
      .text("縦軸");

    svg.append("g")
      .attr("transform", "translate(" + margin.left + "," + 0 + ")")
      .call(axisy)
      .append("text")
      .attr("fill", "black")
      .attr("x", -(height - margin.top - margin.bottom) / 2 - margin.top)
      .attr("y", -75)
      .attr("transform", "rotate(-90)")

    svg.append("g")
      .selectAll("circle")
      .data(dataset)
      .enter()
      .append("image")
      .attr("xlink:href", "https://github.com/favicon.ico")
      .attr("x", function (d) { return xScale(d[0]); })
      .attr("y", function (d) { return yScale(d[1]); })
      .attr("id", function (d, i) { return "map-pin" + i; })
      .on("mouseover", function (e) {
        console.log("Mousover")
      }).on("click", function (e) {
        console.log("Click");
      });

  </script>

  <script>
    $('#map-pin-1-button').click(function () {
      console.log("Click")
      $('#map-pin1').css('display', 'none');
    });
  </script>
</body>


</html>

参考

https://blog.goo.ne.jp/dak-ikd/e/bc2a572c1633a226dddbedd2aefd7512
https://wizardace.com/d3-scatterplot/
https://stackoverflow.com/questions/20086884/add-image-inside-a-circle-d3

チャットメンバー募集

何か質問、悩み事、相談などあればLINEオープンチャットもご利用ください。

Twitter