connectors

data.json

{
  "nodes": [
    {"id": "MP-1", "type": "MP" },
    {"id": "MP-2", "type": "MP" },
    {"id": "SP-1", "type": "SP" },
    {"id": "SP-2", "type": "SP" },
    {"id": "SP-3", "type": "SP" },
    {"id": "SP-4", "type": "SP" },
    {"id": "SP-5", "type": "SP" },
    {"id": "SP-6", "type": "SP" },
    {"id": "SP-7", "type": "SP" },
    {"id":"MP-1-1", "type": "port"},
    {"id":"MP-1-2", "type": "port"},
    {"id":"MP-1-3", "type": "port"},
    {"id":"MP-1-4", "type": "port"},
    {"id":"MP-1-5", "type": "port"},
    {"id":"MP-1-6", "type": "port"},
    {"id":"MP-1-7", "type": "port"},
    {"id":"MP-1-8", "type": "port"},
    {"id":"MP-2-1", "type": "port"},
    {"id":"MP-2-2", "type": "port"},
    {"id":"MP-2-3", "type": "port"},
    {"id":"MP-2-4", "type": "port"},
    {"id":"MP-2-5", "type": "port"},
    {"id":"MP-2-6", "type": "port"},
    {"id":"MP-2-7", "type": "port"},
    {"id":"MP-2-8", "type": "port"},
    {"id":"SP-1-1", "type": "port"},
    {"id":"SP-1-2", "type": "port"},
    {"id":"SP-1-3", "type": "port"},
    {"id":"SP-1-4", "type": "port"},
    {"id":"SP-1-5", "type": "port"},
    {"id":"SP-1-6", "type": "port"},
    {"id":"SP-2-1", "type": "port"},
    {"id":"SP-2-2", "type": "port"},
    {"id":"SP-2-3", "type": "port"},
    {"id":"SP-2-4", "type": "port"},
    {"id":"SP-2-5", "type": "port"},
    {"id":"SP-2-6", "type": "port"},
    {"id":"SP-2-7", "type": "port"},
    {"id":"SP-2-8", "type": "port"},
    {"id":"SP-3-1", "type": "port"},
    {"id":"SP-3-2", "type": "port"},
    {"id":"SP-3-3", "type": "port"},
    {"id":"SP-3-4", "type": "port"},
    {"id":"SP-3-5", "type": "port"},
    {"id":"SP-3-6", "type": "port"},
    {"id":"SP-3-7", "type": "port"},
    {"id":"SP-3-8", "type": "port"},
    {"id":"SP-4-1", "type": "port"},
    {"id":"SP-4-2", "type": "port"},
    {"id":"SP-4-3", "type": "port"},
    {"id":"SP-4-4", "type": "port"},
    {"id":"SP-4-5", "type": "port"},
    {"id":"SP-4-6", "type": "port"},
    {"id":"SP-4-7", "type": "port"},
    {"id":"SP-4-8", "type": "port"},
    {"id":"SP-5-1", "type": "port"},
    {"id":"SP-5-2", "type": "port"},
    {"id":"SP-5-3", "type": "port"},
    {"id":"SP-5-4", "type": "port"},
    {"id":"SP-5-5", "type": "port"},
    {"id":"SP-5-6", "type": "port"},
    {"id":"SP-5-7", "type": "port"},
    {"id":"SP-5-8", "type": "port"},
    {"id":"SP-6-1", "type": "port"},
    {"id":"SP-6-2", "type": "port"},
    {"id":"SP-6-3", "type": "port"},
    {"id":"SP-6-4", "type": "port"},
    {"id":"SP-6-5", "type": "port"},
    {"id":"SP-6-6", "type": "port"},
    {"id":"SP-6-7", "type": "port"},
    {"id":"SP-6-8", "type": "port"},
    {"id":"SP-7-1", "type": "port"},
    {"id":"SP-7-2", "type": "port"},
    {"id":"SP-7-3", "type": "port"},
    {"id":"SP-7-4", "type": "port"},
    {"id":"SP-7-5", "type": "port"},
    {"id":"SP-7-6", "type": "port"},
    {"id":"SP-7-7", "type": "port"},
    {"id":"SP-7-8", "type": "port"}
  ],
  "links": [
    {"source":"MP-1","target":"MP-1-1"},
    {"source":"MP-1","target":"MP-1-2"},
    {"source":"MP-1","target":"MP-1-3"},
    {"source":"MP-1","target":"MP-1-4"},
    {"source":"MP-1","target":"MP-1-5"},
    {"source":"MP-1","target":"MP-1-6"},
    {"source":"MP-1","target":"MP-1-7"},
    {"source":"MP-1","target":"MP-1-8"},

    {"source":"MP-2","target":"MP-2-1"},
    {"source":"MP-2","target":"MP-2-2"},
    {"source":"MP-2","target":"MP-2-3"},
    {"source":"MP-2","target":"MP-2-4"},
    {"source":"MP-2","target":"MP-2-5"},
    {"source":"MP-2","target":"MP-2-6"},
    {"source":"MP-2","target":"MP-2-7"},
    {"source":"MP-2","target":"MP-2-8"},

    {"source":"SP-1","target":"SP-1-1"},
    {"source":"SP-1","target":"SP-1-2"},
    {"source":"SP-1","target":"SP-1-3"},
    {"source":"SP-1","target":"SP-1-4"},
    {"source":"SP-1","target":"SP-1-5"},
    {"source":"SP-1","target":"SP-1-6"},

    {"source":"SP-2","target":"SP-2-1"},
    {"source":"SP-2","target":"SP-2-2"},
    {"source":"SP-2","target":"SP-2-3"},
    {"source":"SP-2","target":"SP-2-4"},
    {"source":"SP-2","target":"SP-2-5"},
    {"source":"SP-2","target":"SP-2-6"},
    {"source":"SP-2","target":"SP-2-7"},
    {"source":"SP-2","target":"SP-2-8"},

    {"source":"SP-3","target":"SP-3-1"},
    {"source":"SP-3","target":"SP-3-2"},
    {"source":"SP-3","target":"SP-3-3"},
    {"source":"SP-3","target":"SP-3-4"},
    {"source":"SP-3","target":"SP-3-5"},
    {"source":"SP-3","target":"SP-3-6"},
    {"source":"SP-3","target":"SP-3-7"},
    {"source":"SP-3","target":"SP-3-8"},

    {"source":"SP-4","target":"SP-4-1"},
    {"source":"SP-4","target":"SP-4-2"},
    {"source":"SP-4","target":"SP-4-3"},
    {"source":"SP-4","target":"SP-4-4"},
    {"source":"SP-4","target":"SP-4-5"},
    {"source":"SP-4","target":"SP-4-6"},
    {"source":"SP-4","target":"SP-4-7"},
    {"source":"SP-4","target":"SP-4-8"},

    {"source":"SP-5","target":"SP-5-1"},
    {"source":"SP-5","target":"SP-5-2"},
    {"source":"SP-5","target":"SP-5-3"},
    {"source":"SP-5","target":"SP-5-4"},
    {"source":"SP-5","target":"SP-5-5"},
    {"source":"SP-5","target":"SP-5-6"},
    {"source":"SP-5","target":"SP-5-7"},
    {"source":"SP-5","target":"SP-5-8"},

    {"source":"SP-6","target":"SP-6-1"},
    {"source":"SP-6","target":"SP-6-2"},
    {"source":"SP-6","target":"SP-6-3"},
    {"source":"SP-6","target":"SP-6-4"},
    {"source":"SP-6","target":"SP-6-5"},
    {"source":"SP-6","target":"SP-6-6"},
    {"source":"SP-6","target":"SP-6-7"},
    {"source":"SP-6","target":"SP-6-8"},

    {"source":"SP-7","target":"SP-7-1"},
    {"source":"SP-7","target":"SP-7-2"},
    {"source":"SP-7","target":"SP-7-3"},
    {"source":"SP-7","target":"SP-7-4"},
    {"source":"SP-7","target":"SP-7-5"},
    {"source":"SP-7","target":"SP-7-6"},
    {"source":"SP-7","target":"SP-7-7"},
    {"source":"SP-7","target":"SP-7-8"},

    {"source":"SP-1-1","target":"SP-2"},
    {"source":"SP-1-2","target":"SP-3"},
    {"source":"SP-1-3","target":"SP-4"},
    {"source":"SP-1-4","target":"SP-5"},
    {"source":"SP-1-5","target":"SP-6"},
    {"source":"SP-1-6","target":"SP-7"},

    {"source":"SP-2-1","target":"MP-1-1"},
    {"source":"SP-2-2","target":"MP-1-2"},
    {"source":"SP-2-3","target":"MP-1-3"},
    {"source":"SP-2-4","target":"MP-1-4"},
    {"source":"SP-3-5","target":"MP-1-5"},
    {"source":"SP-3-6","target":"MP-1-6"},
    {"source":"SP-3-7","target":"MP-1-7"},
    {"source":"SP-3-8","target":"MP-1-8"},

    {"source":"SP-5-1","target":"MP-2-1"},
    {"source":"SP-5-2","target":"MP-2-2"},
    {"source":"SP-5-3","target":"MP-2-3"},
    {"source":"SP-5-4","target":"MP-2-4"},
    {"source":"SP-5-5","target":"MP-2-5"},
    {"source":"SP-5-6","target":"MP-2-6"},
    {"source":"SP-5-7","target":"MP-2-7"},
    {"source":"SP-5-8","target":"MP-2-8"}
  ]
}

index.html

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

.links line {
  stroke: #999;
  stroke-opacity: 0.6;
}

.nodes circle {
  stroke: #fff;
  stroke-width: 1.5px;
  fill: #eee;
}

.nodes circle.MP {
  fill: gold;
}

.nodes circle.SP {
  fill: yellowgreen;
}

</style>
<svg width="960" height="600"></svg>
<script src="https://d3js.org/d3.v4.min.js"></script>
<script>

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

var color = d3.scaleOrdinal(d3.schemeCategory20);

var simulation = d3.forceSimulation()
    .force("link", d3.forceLink().id(function(d) { return d.id; }))
    .force("charge", d3.forceManyBody())
    .force("center", d3.forceCenter(width / 2, height / 2));

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

  var link = svg.append("g")
      .attr("class", "links")
    .selectAll("line")
    .data(graph.links)
    .enter().append("line")
      .attr("stroke-width", function(d) { return Math.sqrt(d.value); });

  var node = svg.append("g")
      .attr("class", "nodes")
    .selectAll("circle")
    .data(graph.nodes)
    .enter().append("circle")
      .attr("r", function(d) { return d.type === 'port' ? 3 : 10; })
      .attr("class", function(d) { return d.type })
      .call(d3.drag()
          .on("start", dragstarted)
          .on("drag", dragged)
          .on("end", dragended));

  node.append("title")
      .text(function(d) { return d.id; });

  simulation
      .nodes(graph.nodes)
      .on("tick", ticked);

  simulation.force("link")
      .links(graph.links);

  function ticked() {
    link
        .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; });

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

function dragstarted(d) {
  if (!d3.event.active) simulation.alphaTarget(0.3).restart();
  d.fx = d.x;
  d.fy = d.y;
}

function dragged(d) {
  d.fx = d3.event.x;
  d.fy = d3.event.y;
}

function dragended(d) {
  if (!d3.event.active) simulation.alphaTarget(0);
  d.fx = null;
  d.fy = null;
}

</script>

preview.png

thumbnail.png