Merge.append("feMergeNode").attr("in", "SourceGraphic");


    glowStronger.append("feGaussianBlur")
      .attr("stdDeviation", "6")
      .attr("result", "coloredBlur");

    const feMergeStronger = glowStronger.append("feMerge");
    feMergeStronger.append("feMergeNode").attr("in", "coloredBlur");
    feMergeStronger.append("feMergeNode").attr("in", "SourceGraphic");

    // Get dimensions
    updateDimensions();

    // Create the simulation
    simulation = d3.forceSimulation()
      .force("link", d3.