Swapping out nodes for images using d3.js

Below is the code snippet I am currently executing http://jsfiddle.net/a7as6/14/

I have implemented the following code to convert a node to an image:

node.append("svg:image")
    .attr("class", "circle")
    .attr("xlink:href", "https://github.com/favicon.ico")
    .attr("x", "-8px")
    .attr("y", "-8px")
    .attr("width", "16px")
    .attr("height", "16px");

However, even after implementing this code, my nodes are not converting to images as expected. Any insights on why this might be happening?

Additionally, I am curious about how to assign different images to each individual node. Any suggestions on how to achieve this?

Thank you.

javascriptd3.js

Answer №1

Your approach to adding the images is on point, but make sure to target node.enter() like this:

   node.enter().append("image")
       .attr("class", function (d) {
           return "node " + d.id;
           })
       .attr("xlink:href", "https://example.com/image.png")
       .attr("width", "20px")
       .attr("height", "20px");

Next, update your tick function to position the images correctly:

function tick() {
   node.attr("x", function (d) {
       return d.x;
   })
       .attr("y", function (d) {
       return d.y;
   })

Check out the live demo. Feel free to adjust the dx and dy properties for proper alignment.

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