D3_CirclePack/circle_pack_tooltip.html at master · fantastic900/D3_CirclePack · GitHub

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<!DOCTYPE html>
<html>
<head>
  <title>D3 Circle Pack Visualization</title>
  <style>
    .node {
      cursor: pointer;
    }

    .node:hover {
      stroke: #000;
      stroke-width: 1.5px;
    }

    .node text {
      font-size: 12px;
      pointer-events: none;
      text-anchor: middle;
    }
  </style>
</head>
<body>
  <script src="https://d3js.org/d3.v7.min.js"></script>
  <script>
    // Read the CSV data
    d3.csv("https://raw.githubusercontent.com/fantastic900/D3_CirclePack/master/New_Completed.csv").then(function(data) {
      const root = {
        name: "Root",
        children: []
      };

      const parentNames = data.columns;

      // Create parent objects
      parentNames.forEach(parentName => {
        root.children.push({
          name: parentName,
          children: []
        });
      });

      // Populate children within each parent
      data.forEach(row => {
        parentNames.forEach(parentName => {
          const value = row[parentName];
          if (value) {
            const parentIndex = parentNames.indexOf(parentName);
            root.children[parentIndex].children.push({
              name: value
            });
          }
        });
      });

      // Preprocess the data
      const pack = d3.pack()
        .size([600, 600])
        .padding(3);

      const hierarchy = d3.hierarchy(root)
        .sum(d => d.children ? 0 : 1)
        .sort((a, b) => b.value - a.value);

      pack(hierarchy);

      // Create the SVG container
      const svg = d3.select("body")
        .append("svg")
        .attr("width", 600)
        .attr("height", 600);

      // Create the circles
      const node = svg.append("g").selectAll("circle")
        .data(hierarchy.descendants().slice(1))
        .join("circle")
        .attr("class", d => d.children ? "node" : "leaf node")
        .attr("fill", d => d.children ? "steelblue" : "lightgray")
        .attr("r", d => {
        	return d.r
        })
        .attr("cx", d => d.x)
        .attr("cy", d => d.y);

      // Add labels to the circles
      const label = svg.selectAll(".leaf.node")
        .append("text")
        .attr("dy", "-1em")
        .text(d => d.parent.data.name)
        .attr("text-anchor", "middle")
        .attr("font-size", "10px");

      // Add tooltip on hover
      node.filter(d => !d.children) // Exclude outer circles
        .append("title")
        .text(d => d.data.name);

      // Zoom behavior
      svg.call(d3.zoom().on("zoom", function() {
        svg.attr("transform", d3.event.transform);
      }));

      // Add labels for parent names
      const groupLabel = svg.append("g")
        .attr("pointer-events", "none")
        .attr("text-anchor", "middle")
        .selectAll("text")
        .data(hierarchy.descendants().filter(function(d) {
          return d.height === 1;
        }))
        .join("text")
        .text(function(d) {
          return d.data.name;
        });

  	  groupLabel
  	    .attr("transform", d => `translate(${(d.x)}, ${(d.y - (d.r))})`)
  	    .attr("dy", "-0.25em")
  	    .attr("class", "repo-name")
        .attr("font-family", "helvetica")
  	    .attr("fill", "#000")
  	    .clone(true)
        .lower()
        .attr("aria-hidden", "true")
        .attr("fill", "none")
        .attr("stroke", "#6A1131")
        .attr("stroke-width", 1)
        .attr("stroke-linecap", "round")
        .attr("stroke-linejoin", "round");
    });
  </script>
</body>
</html>