Films_mal_notes

Built with blockbuilder.org

forked from nbonneel's block: TP 6 DataViz

forked from RomyRatolojanahary's block: TP 6 DataViz

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

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

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

</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.titre; }))
    .force("charge", d3.forceManyBody())
    .force("center", d3.forceCenter(width / 2, height / 2));

d3.csv("recommandations.csv", function(error, graph) {
  if (error) throw error;
  
  nodes = new Set()
  links = [];
  for(var i=0; i<graph.length; i++){
    links.push({source: graph[i].Consequence, target: graph[i].Antecedent, value: graph[i].ItemSetSupport})
    nodes.add(graph[i].Consequence)
    nodes.add(graph[i].Antecedent)
  }
  nodesArray = Array.from(nodes).map(function(e){return {titre: e}});

var link = svg.append("g")
      .attr("class", "links")
    .selectAll("line")
    .data(links)
    .enter().append("line")
      .attr("stroke-width", 1);

var node = svg.append("g")
      .attr("class", "nodes")
    .selectAll("circle")
    .data(nodesArray)
    .enter().append("circle")
      .attr("r", 5)
      .attr("fill", function(d) { return color(d.titre); })
      .call(d3.drag()
          .on("start", dragstarted)
          .on("drag", dragged)
          .on("end", dragended));

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

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

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

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>

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