Old school D3 from simpler times

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kdenny

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draggable network w labels

Built with blockbuilder.org

<!DOCTYPE html>
<meta charset="utf-8">
<style>

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

.link {
  stroke: #999;
}

body {font-family: graphik,Helvetica,Arial,sans-serif;}

</style>
<body>
<script src="https://d3js.org/d3.v4.min.js"></script>
<script>

var width = 1500,
    height = 950;

var svg = d3.select("body").append("svg")
    .attr("width", width)
    .attr("height", height);

d3.json("data_objects2.json", function(error, graph) {
  if (error) throw error;

graph.links.forEach(function(d) {
    d.source = graph.nodes[d.source];
    d.target = graph.nodes[d.target];
  });

var link = svg.append("g")
      .attr("class", "link")
    .selectAll("line")
    .data(graph.links)
    .enter().append("line")
    .style("stroke", "#aaa")        
      .attr("x1", function(d) { return d.source.x; })
      .attr("y1", function(d) { return d.source.y; })
      .attr("x2", function(d) { return d.target.x; })
      .attr("y2", function(d) { return d.target.y; });

var node = svg.append("g")
      .attr("class", "node")
    .selectAll("circle")
    .data(graph.nodes)
    .enter().append("circle")
    .attr("r", 20)
    .style("fill", function(d) { return d.color; })
    .style("stroke", "#969696")
    .style("stroke-width", "1px")
      .attr("cx", function(d) { return d.x; })
      .attr("cy", function(d) { return d.y; })
      .call(d3.drag().on("drag", dragged));

var label = svg.append("g")
      .attr("class", "labels")
      .selectAll("text")
      .data(graph.nodes)
      .enter().append("text")
        .attr("class", "label")
        .attr("x", function(d) { return d.x+15; })
        .attr("y", function (d) { return d.y; })
        .style("font-size", "20px").style("fill", "#000000")
        .text(function(d) { return d.id; });

function dragged(d) {
    d.x = d3.event.x, d.y = d3.event.y;
    d3.select(this).attr("cx", d.x).attr("cy", d.y);
    link.filter(function(l) { return l.source === d; }).attr("x1", d.x).attr("y1", d.y);
    link.filter(function(l) { return l.target === d; }).attr("x2", d.x).attr("y2", d.y);
    label.filter(function(l) { return l === d; }).attr("x", d.x+15).attr("y", d.y);
  }
});

</script>

https://d3js.org/d3.v4.min.js