Chrod with Categories

<!DOCTYPE html>
<html xmlns="https://www.w3.org/1999/xhtml">
<head>
	<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
	<title>Chord Diagram</title>	
	<script src="https://d3js.org/d3.v4.min.js"></script>
	<script src="https://code.jquery.com/jquery-3.2.1.min.js"></script>
</head>
<body>
	<div id="chart"></div>

var names = ["Test1","Test2","AMO-DB","YouTube","Twitter", "Google+", "Pflegeratgeber" ,"O-Mag","RuV"],
      colors = ["#301E1E", "#083E77", "#342350", "#567235", "#8B161C", "#DF7C00"],
      opacityDefault = 0.8;
	  
    var matrix = [
      [0,1,1,1,1,1,1,1,1], //Test1
      [0,0,1,1,1,1,1,0,1], //Test2
      [0,1,0,1,1,1,1,1,1], //Hawkeye
      [0,1,1,0,1,1,0,1,1], //The Hulk
      [0,1,1,1,0,1,1,1,1], //Iron Man
      [0,1,1,1,1,0,1,1,1],
      [0,1,1,1,1,1,0,1,1], //Iron Man
      [0,1,1,1,1,1,1,0,1],
      [0,1,1,1,1,1,1,0,0] //Thor //Thor
    ];

////////////////////////////////////////////////////////////
    /////////// Create scale and layout functions //////////////
    ////////////////////////////////////////////////////////////

var colors = d3.scaleOrdinal()
        .domain(d3.range(names.length))
      .range(colors);

var chord = d3.chord()
      .padAngle(.15)
      .sortChords(d3.descending)

var arc = d3.arc()
      .innerRadius(innerRadius*1.01)
      .outerRadius(outerRadius);

var path = d3.ribbon()
    .radius(innerRadius);

////////////////////////////////////////////////////////////
  ////////////////////// Create SVG //////////////////////////
  ////////////////////////////////////////////////////////////
  
  var svg = d3.select("#chart").append("svg")
    .attr("width", width + margin.left + margin.right)
    .attr("height", height + margin.top + margin.bottom)
    .append("g")
    .attr("transform", "translate(" + (width/2 + margin.left) + "," + (height/2 + margin.top) + ")")
    .datum(chord(matrix));

////////////////////////////////////////////////////////////
  ////////////////// Draw outer Arcs /////////////////////////
  ////////////////////////////////////////////////////////////

var outerArcs = svg.selectAll("g.group")
    .data(function(chords) { return chords.groups; })
    .enter().append("g")
    .attr("class", "group")
    .on("mouseover", fade(.1))
    .on("mouseout", fade(opacityDefault))

// text popups
    .on("click", mouseoverChord)
    .on("mouseout", mouseoutChord);

////////////////////////////////////////////////////////////
  ////////////////////// Append names ////////////////////////
  ////////////////////////////////////////////////////////////

//Append the label names INSIDE outside
  outerArcs.append("path")
    .style("fill", function(d) { return colors(d.index); })
    .attr("id", function(d, i) { return "group" + d.index; })
    .attr("d", arc);

outerArcs.append("text")
           .attr("x", 6)
           .attr("dx", 60)
          .attr("dy", 18)
        .append("textPath")
          .attr("href", function(d) { return "#group" + d.index;})
          .text(function(chords, i){return names[i];})
          .style("fill", "white");

////////////////////////////////////////////////////////////
  ////////////////// Draw inner chords ///////////////////////
  ////////////////////////////////////////////////////////////

svg.selectAll("path.chord")
    .data(function(chords) { return chords; })
    .enter().append("path")
    .attr("class", "chord")
    .style("fill", function(d) { return colors(d.source.index); })
    .style("opacity", opacityDefault)
    .attr("d", path);
	
	
	////////////////////////////////////////////////////////////
	//////// Draw Super Categories - By Faraz Shuja ////////////
	////////////////////////////////////////////////////////////
	
	//define grouping with colors
  	var groups = [
		{sIndex: 0, eIndex: 2, title: 'SuperCategory 1', color: '#c69c6d'},
		{sIndex: 4, eIndex: 5, title: 'SuperCategory 2', color: '#00a651'}
	];
	var cD = chord(matrix).groups;
		
	//draw arcs
	for(var i=0;i<groups.length;i++) {
		var __g = groups[i];
		var arc1 = d3.arc()
			.innerRadius(innerRadius*1.11)
			.outerRadius(outerRadius*1.1)
			.startAngle(cD[__g.sIndex].startAngle) 
			.endAngle(cD[__g.eIndex].endAngle)

svg.append("path").attr("d", arc1).attr('fill', __g.color).attr('id', 'groupId' + i);
		
		// Add a text label.
		var text = svg.append("text")
			.attr("x", 200)
			.attr("dy", 20);

text.append("textPath")
			.attr("stroke","#fff")
			.attr('fill', '#fff')
			.attr("xlink:href","#groupId" + i)
			.text(__g.title);
	}

////////////////////////////////////////////////////////////
  ////////////////// Extra Functions /////////////////////////
  ////////////////////////////////////////////////////////////

function popup() {
    return function(d,i) {
      console.log("love");
    };
  }//popup

//Returns an event handler for fading a given chord group.
  function fade(opacity) {
    return function(d,i) {
      svg.selectAll("path.chord")
          .filter(function(d) { return d.source.index != i && d.target.index != i; })
      .transition()
          .style("opacity", opacity);
    };
  }//fade

//Highlight hovered over chord
  function mouseoverChord(d,i) {

//Decrease opacity to all
    svg.selectAll("path.chord")
      .transition()
      .style("opacity", 0.1);
    //Show hovered over chord with full opacity
    d3.select(this)
      .transition()
          .style("opacity", 1);

//Define and show the tooltip over the mouse location
    $(this).popover({
      //placement: 'auto top',
      title: 'test',
      placement: 'right',
      container: 'body',
      animation: false,
      offset: "20px -100px",
      followMouse: true,
      trigger: 'click',
      html : true,
      content: function() {
        return "<p style='font-size: 11px; text-align: center;'><span style='font-weight:900'>"  +
             "</span> text <span style='font-weight:900'>"  +
             "</span> folgt hier <span style='font-weight:900'>" + "</span> movies </p>"; }
    });
    $(this).popover('show');
  }
  //Bring all chords back to default opacity
  function mouseoutChord(d) {
    //Hide the tooltip
    $('.popover').each(function() {
      $(this).remove();
    })
    //Set opacity back to default for all
    svg.selectAll("path.chord")
      .transition()
      .style("opacity", opacityDefault);
    }      //function mouseoutChord
</script>
</body>
</html>

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

https://code.jquery.com/jquery-3.2.1.min.js