d3-indented-tree API example #22 by EE2dev

API examples for d3-indented-tree

myChart.linkStrength() - 3

This example shows how

to set a link strength dynamically based on a data field
to pass a scale for the mapping of the link strength

for documentation, go to https://github.com/EE2dev/d3-indented-tree
for other examples, go to https://github.com/EE2dev/d3-indented-tree#examples

Acknowledgements:

index.html

<!DOCTYPE html>
  <meta charset="utf-8">
  <head>
    <script src="https://d3js.org/d3.v6.min.js"></script>
    <script src="https://cdn.jsdelivr.net/gh/EE2dev/d3-indented-tree/dist/latest/d3-indented-tree.min.js"></script>
    <link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/EE2dev/d3-indented-tree/dist/latest/d3-indented-tree.css">
  </head>
  
  <body>
    <!-- paste data in aside tag -->
    <aside id="data">
    </aside>
  
    <script>
      const dataSpec = {
        source: "https://cdn.jsdelivr.net/gh/EE2dev/d3-indented-tree/test/data/flare.json",
        key: "name",
      };
      const myChart = d3.indentedTree(dataSpec)
        .propagateValue("size")
        .linkStrength("size", {scale: d3.scaleLog()})
      ;

      showChart(myChart); 
      
      window.setTimeout(function() {
        myChart.linkWidth(100);
      }, 2000);
      
      function showChart(_chart) {
        d3.select("body")
          .append("div")
          .attr("class", "chart")
          .call(_chart);
      }         
    </script>
  </body>
</html>