Ladybug Analysis Tools Graph

<!DOCTYPE html>
<meta charset="utf-8">
<title>Ladybug Analysis Tools</title>
<style>
    body {
      overflow:hidden;
       margin:0;
    }

line {
        stroke: black
    }

text {
      font-family: "Helvetica", "sans", "sans-serif";
      font-size: 10px;
      pointer-events: none;
    }

.node {
      pointer-events: all;
    }

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

circle {
      fill:
    }

</style>

<body>

var graph = {
    "nodes": [
        {"id": "Ladybug", "group": 1, "img": "ladybug.png", "size": 60},
        {"id": "Honeybee", "group": 2, "img": "honeybee.png", "size": 60},
        {"id": "Butterfly", "group": 3, "img": "butterfly.png", "size": 60},
        {"id": "Weather_Data", "group": 1, "img": "weather_data.png", "size": 90},
        {"id": "Psychrometric", "group": 1, "img": "Psychrometric.png", "size": 90},
        {"id": "Renewables", "group": 1, "img": "renewables.png", "size": 90},
        {"id": "Analysis", "group": 1, "img": "analysis.png", "size": 90},
        {"id": "Energy", "group": 2, "img": "energy.png", "size": 90},
        {"id": "Daylight", "group": 2, "img": "daylight.png", "size": 90},
        {"id": "Therm", "group": 2, "img": "therm.png", "size": 90},
        {"id": "Comfort", "group": 2, "img": "comfort.png", "size": 90},
        {"id": "Airflow", "group": 3, "img": "airflow.png", "size": 90},
    ],
    "links": [
        {"source": "Ladybug", "target": "Honeybee", "value": 4},
        {"source": "Honeybee", "target": "Butterfly", "value": 4},
        {"source": "Butterfly", "target": "Ladybug", "value": 4},
        {"source": "Ladybug", "target": "Weather_Data", "value": 4},
        {"source": "Ladybug", "target": "Psychrometric", "value": 4},
        {"source": "Ladybug", "target": "Renewables", "value": 4},
        {"source": "Ladybug", "target": "Analysis", "value": 4},
        {"source": "Honeybee", "target": "Energy", "value": 4},
        {"source": "Honeybee", "target": "Daylight", "value": 4},
        {"source": "Honeybee", "target": "Therm", "value": 4},
        {"source": "Honeybee", "target": "Comfort", "value": 4},
        {"source": "Butterfly", "target": "Airflow", "value": 4},
    ]
}

var transform = d3.zoomIdentity;
var svg = d3.select("body").append("svg")
    .attr("width", width)
    .attr("height", height)
    .call(d3.zoom().scaleExtent([1 / 2, 8]).on("zoom", zoomed))
  .append("g")
    .attr("transform", "translate(0,0)");

function zoomed() {
    svg.attr("transform", d3.event.transform);
}

var simulation = d3.forceSimulation()
    .force("link", d3.forceLink().id(function(d) { return d.id; }))
    .force("charge", d3.forceManyBody().strength(-2500))
    .force("center", d3.forceCenter(width / 2, height / 2))
    .force("collide", d3.forceCollide().radius(100).iterations(8))
    .force("y", d3.forceY(0))
    .force("x", d3.forceX(0))
    .on("tick", ticked);

simulation.nodes(graph.nodes);

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

var link = svg.selectAll(".link")
    .data(graph.links)
  .enter().append("line")
    .attr("class", "link");

var node = svg.selectAll(".node")
    .data(graph.nodes)
  .enter().append("g")
    .attr("class", "node");

node.append("text")
    .attr("dx", function(d) { return d.size / 2 + 4; })
    .attr("dy", ".35em")
    .text(function(d) { return d.id; });

simulation.on("tick", function() {
    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("transform", function(d) { return "translate(" + d.x + "," + d.y + ")"; })
  });

node.append("image")
    .attr("xlink:href", function(d) { return d.img; })
    .attr("x", function(d) { return -d.size / 2; })
    .attr("y", function(d) { return -d.size / 2; })
    .attr("width", function(d) { return d.size; })
    .attr("height", function(d) { return d.size; })
      .call(d3.drag()
      .on("start", dragstarted)
      .on("drag", dragged)
      .on("end", dragended));

// add titles
d3.selectAll("image")
    .append("title")
    .text(function(d) { return d.id; })

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>
</body>