2017: Team coherentie FOOCES

.block

height: 780

README.md

d3.layout.chord.sort.js

////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////
////////////// Custom Chord Layout Function ////////////////
/////// Places the Chords in the visually best order ///////
///////////////// to reduce overlap ////////////////////////
////////////////////////////////////////////////////////////
///////// Slightly adjusted by Nadieh Bremer ///////////////
//////////////// VisualCinnamon.com ////////////////////////
////////////////////////////////////////////////////////////
//////// Original from the d3.layout.chord() function //////
///////////////// from the d3.js library ///////////////////
//////////////// Created by Mike Bostock ///////////////////
////////////////////////////////////////////////////////////

customChordLayout = function() {
	var ε = 1e-6, ε2 = ε * ε, π = Math.PI, τ = 2 * π, τε = τ - ε, halfπ = π / 2, d3_radians = π / 180, d3_degrees = 180 / π;
    var chord = {}, chords, groups, matrix, n, padding = 0, sortGroups, sortSubgroups, sortChords;
    function relayout() {
      var subgroups = {}, groupSums = [], groupIndex = d3.range(n), subgroupIndex = [], k, x, x0, i, j;
      chords = [];
      groups = [];
      k = 0, i = -1;
      while (++i < n) {
        x = 0, j = -1;
        while (++j < n) {
          x += matrix[i][j];
        }
        groupSums.push(x);
        subgroupIndex.push(d3.range(n).reverse());
        k += x;
      }
      if (sortGroups) {
        groupIndex.sort(function(a, b) {
          return sortGroups(groupSums[a], groupSums[b]);
        });
      }
      if (sortSubgroups) {
        subgroupIndex.forEach(function(d, i) {
          d.sort(function(a, b) {
            return sortSubgroups(matrix[i][a], matrix[i][b]);
          });
        });
      }
      k = (τ - padding * n) / k;
      x = 0, i = -1;
      while (++i < n) {
        x0 = x, j = -1;
        while (++j < n) {
          var di = groupIndex[i], dj = subgroupIndex[di][j], v = matrix[di][dj], a0 = x, a1 = x += v * k;
          subgroups[di + "-" + dj] = {
            index: di,
            subindex: dj,
            startAngle: a0,
            endAngle: a1,
            value: v
          };
        }
        groups[di] = {
          index: di,
          startAngle: x0,
          endAngle: x,
          value: (x - x0) / k
        };
        x += padding;
      }
      i = -1;
      while (++i < n) {
        j = i - 1;
        while (++j < n) {
          var source = subgroups[i + "-" + j], target = subgroups[j + "-" + i];
          if (source.value || target.value) {
            chords.push(source.value < target.value ? {
              source: target,
              target: source
            } : {
              source: source,
              target: target
            });
          }
        }
      }
      if (sortChords) resort();
    }
    function resort() {
      chords.sort(function(a, b) {
        return sortChords((a.source.value + a.target.value) / 2, (b.source.value + b.target.value) / 2);
      });
    }
    chord.matrix = function(x) {
      if (!arguments.length) return matrix;
      n = (matrix = x) && matrix.length;
      chords = groups = null;
      return chord;
    };
    chord.padding = function(x) {
      if (!arguments.length) return padding;
      padding = x;
      chords = groups = null;
      return chord;
    };
    chord.sortGroups = function(x) {
      if (!arguments.length) return sortGroups;
      sortGroups = x;
      chords = groups = null;
      return chord;
    };
    chord.sortSubgroups = function(x) {
      if (!arguments.length) return sortSubgroups;
      sortSubgroups = x;
      chords = null;
      return chord;
    };
    chord.sortChords = function(x) {
      if (!arguments.length) return sortChords;
      sortChords = x;
      if (chords) resort();
      return chord;
    };
    chord.chords = function() {
      if (!chords) relayout();
      return chords;
    };
    chord.groups = function() {
      if (!groups) relayout();
      return groups;
    };
    return chord;
  };

d3.stretched.chord.js

////////////////////////////////////////////////////////////
/////////////// Custom Chord Function //////////////////////
//////// Pulls the chords pullOutSize pixels apart /////////
////////////////// along the x axis ////////////////////////
////////////////////////////////////////////////////////////
///////////// Created by Nadieh Bremer /////////////////////
//////////////// VisualCinnamon.com ////////////////////////
////////////////////////////////////////////////////////////
//// Adjusted from the original d3.svg.chord() function ////
///////////////// from the d3.js library ///////////////////
//////////////// Created by Mike Bostock ///////////////////
////////////////////////////////////////////////////////////

stretchedChord = function() {
    var source = d3_source, 
    target = d3_target, 
    radius = d3_svg_chordRadius, 
    startAngle = d3_svg_arcStartAngle, 
    endAngle = d3_svg_arcEndAngle,
    pullOutSize = 0;
    
  var π = Math.PI,
    halfπ = π / 2;

    function subgroup(self, f, d, i) {
    var subgroup = f.call(self, d, i), 
      r = radius.call(self, subgroup, i), 
      a0 = startAngle.call(self, subgroup, i) - halfπ, 
      a1 = endAngle.call(self, subgroup, i) - halfπ;
      return {
        r: r,
        a0: [a0],
        a1: [a1],
        p0: [ r * Math.cos(a0), r * Math.sin(a0)],
        p1: [ r * Math.cos(a1), r * Math.sin(a1)]
      };
    }

    function arc(r, p, a) {
    var sign = (p[0] >= 0 ? 1 : -1);
    return "A" + r + "," + r + " 0 " + +(a > π) + ",1 " + (p[0] + sign*pullOutSize) + "," + p[1];
    }


    function curve(p1) {
    var sign = (p1[0] >= 0 ? 1 : -1);
    return "Q 0,0 " + (p1[0] + sign*pullOutSize) + "," + p1[1];
    }
  
  /*
  M = moveto
  M x,y
  Q = quadratic Bézier curve
  Q control-point-x,control-point-y end-point-x, end-point-y
  A = elliptical Arc
  A rx, ry x-axis-rotation large-arc-flag, sweep-flag  end-point-x, end-point-y
  Z = closepath

  M251.5579641956022,87.98204731514328
  A266.5,266.5 0 0,1 244.49937503334525,106.02973926358392
  Q 0,0 -177.8355222451483,198.48621369706098
  A266.5,266.5 0 0,1 -191.78901944612068,185.0384338992728
  Q 0,0 251.5579641956022,87.98204731514328
  Z
  */  
    function chord(d, i) {
    var s = subgroup(this, source, d, i), 
      t = subgroup(this, target, d, i);
          
  return "M" + (s.p0[0] + pullOutSize) + "," + s.p0[1] + 
      arc(s.r, s.p1, s.a1 - s.a0) + 
      curve(t.p0) + 
      arc(t.r, t.p1, t.a1 - t.a0) + 
      curve(s.p0) + 
      "Z";
   }//chord

    chord.radius = function(v) {
      if (!arguments.length) return radius;
      radius = d3_functor(v);
      return chord;
    };
    chord.pullOutSize = function(v) {
      if (!arguments.length) return pullOutSize;
      pullOutSize = v;
      return chord;
    };
    chord.source = function(v) {
      if (!arguments.length) return source;
      source = d3_functor(v);
      return chord;
    };
    chord.target = function(v) {
      if (!arguments.length) return target;
      target = d3_functor(v);
      return chord;
    };
    chord.startAngle = function(v) {
      if (!arguments.length) return startAngle;
      startAngle = d3_functor(v);
      return chord;
    };
    chord.endAngle = function(v) {
      if (!arguments.length) return endAngle;
      endAngle = d3_functor(v);
      return chord;
    };


  function d3_svg_chordRadius(d) {
      return d.radius;
  }

  function d3_source(d) {
    return d.source;
  }
    
  function d3_target(d) {
      return d.target;
  }

  function d3_svg_arcStartAngle(d) {
      return d.startAngle;
  }
    
  function d3_svg_arcEndAngle(d) {
      return d.endAngle;
  }

  function d3_functor(v) {
    return typeof v === "function" ? v : function() {
      return v;
    };
  }

  return chord;

}//stretchedChord

index.html

<!DOCTYPE html>
<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html;charset=utf-8"/>
	<title>Team coherentie FOOCES</title>

	<!-- D3.js -->	
    <script src="http://d3js.org/d3.v3.js"></script>
	<script src="d3.stretched.chord.js"></script>
	<script src="d3.layout.chord.sort.js"></script>
	
	<!-- jQuery -->
	<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
	
	<!-- Open Sans & CSS -->
	<link href='http://fonts.googleapis.com/css?family=Open+Sans:700,400,300' rel='stylesheet' type='text/css'>
	  <style>
		body {
		  font-family: 'Open Sans', sans-serif;
		  font-size: 12px;
		  font-weight: 400;
		  color: #525252;
		  text-align: center;
		}	
		
		line {
		  stroke: #000;
		  stroke-width: 1.px;
		}

		text {
		  font-size: 8px;
		}

		path.chord {
		  fill-opacity: .80;
		}
		
		.title {
			text-anchor: middle;
			fill: #3B3B3B;
			font-weight: 300;
			font-size: 16px;
		}
		.titleLine {
			stroke: #DCDCDC;
			shape-rendering: crispEdges;
		}
		
		.title-h3 {
		    margin-top: 20px;
		    margin-bottom: 10px;
		    font-size: 24px;
		    font-weight: 500;
			line-height: 1.1;
			color: #3B3B3B;
		}
		
		@media (min-width: 500px) {
		  .explanation {
			width: 50%; 
			margin: 0 auto;
		  }
		}
	  </style>
  </head>
  <body>
 
	<div class="title-h3">Hoeveel interactie is er tussen en met de teams van FOOCES?</div>

    <div id="chart"></div>
	
	<div style="width: 100%;">
		<div class="explanation">
		Dit diagram toont de team interactie voor dienst FOOCES. Om een duidelijk overzicht te houden zijn niet alle teams opgenomen in dit diagram, alleen de grootste. 
		</div>
	</div>
	
    <script src="script.js"></script>
	
  </body>
</html>

script.js

////////////////////////////////////////////////////////////
//////////////////////// Set-up ////////////////////////////
////////////////////////////////////////////////////////////

var screenWidth = $(window).innerWidth(), 
	mobileScreen = (screenWidth > 500 ? false : true);

var margin = {left: 50, top: 10, right: 50, bottom: 10},
	width = Math.min(screenWidth, 800) - margin.left - margin.right,
	height = (mobileScreen ? 300 : Math.min(screenWidth, 800)*5/6) - margin.top - margin.bottom;
			
var svg = d3.select("#chart").append("svg")
			.attr("width", (width + margin.left + margin.right))
			.attr("height", (height + margin.top + margin.bottom));
			
var wrapper = svg.append("g").attr("class", "chordWrapper")
			.attr("transform", "translate(" + (width / 2 + margin.left) + "," + (height / 2 + margin.top) + ")");;
			
var outerRadius = Math.min(width, height) / 2  - (mobileScreen ? 80 : 100),
	innerRadius = outerRadius * 0.95,
	opacityDefault = 0.7, //default opacity of chords
	opacityLow = 0.02; //hover opacity of those chords not hovered over
	
//How many pixels should the two halves be pulled apart
var pullOutSize = (mobileScreen? 20 : 50)

//////////////////////////////////////////////////////
//////////////////// Titles on top ///////////////////
//////////////////////////////////////////////////////

var titleWrapper = svg.append("g").attr("class", "chordTitleWrapper"),
	titleOffset = mobileScreen ? 15 : 40,
	titleSeparate = mobileScreen ? 30 : 0;

//Title	top left
titleWrapper.append("text")
	.attr("class","title left")
	.style("font-size", mobileScreen ? "12px" : "16px" )
	.attr("x", (width/2 + margin.left - outerRadius - titleSeparate))
	.attr("y", titleOffset)
	.text("Team.in");
titleWrapper.append("line")
	.attr("class","titleLine left")
	.attr("x1", (width/2 + margin.left - outerRadius - titleSeparate)*0.6)
	.attr("x2", (width/2 + margin.left - outerRadius - titleSeparate)*1.4)
	.attr("y1", titleOffset+8)
	.attr("y2", titleOffset+8);
//Title top right
titleWrapper.append("text")
	.attr("class","title right")
	.style("font-size", mobileScreen ? "12px" : "16px" )
	.attr("x", (width/2 + margin.left + outerRadius + titleSeparate))
	.attr("y", titleOffset)
	.text("Team dat het ticket oplost");
titleWrapper.append("line")
	.attr("class","titleLine right")
	.attr("x1", (width/2 + margin.left - outerRadius - titleSeparate)*0.6 + 2*(outerRadius + titleSeparate))
	.attr("x2", (width/2 + margin.left - outerRadius - titleSeparate)*1.4 + 2*(outerRadius + titleSeparate))
	.attr("y1", titleOffset+8)
	.attr("y2", titleOffset+8);
	
////////////////////////////////////////////////////////////
/////////////////// Animated gradient //////////////////////
////////////////////////////////////////////////////////////

var defs = wrapper.append("defs");
var linearGradient = defs.append("linearGradient")
	.attr("id","animatedGradient")
	.attr("x1","0%")
	.attr("y1","0%")
	.attr("x2","100%")
	.attr("y2","0")
	.attr("spreadMethod", "reflect");

linearGradient.append("animate")
	.attr("attributeName","x1")
	.attr("values","0%;100%")
//	.attr("from","0%")
//	.attr("to","100%")
	.attr("dur","7s")
	.attr("repeatCount","indefinite");

linearGradient.append("animate")
	.attr("attributeName","x2")
	.attr("values","100%;200%")
//	.attr("from","100%")
//	.attr("to","200%")
	.attr("dur","7s")
	.attr("repeatCount","indefinite");

linearGradient.append("stop")
	.attr("offset","5%")
	.attr("stop-color","#E8E8E8");
linearGradient.append("stop")
	.attr("offset","45%")
	.attr("stop-color","#A3A3A3");
linearGradient.append("stop")
	.attr("offset","55%")
	.attr("stop-color","#A3A3A3");
linearGradient.append("stop")
	.attr("offset","95%")
	.attr("stop-color","#E8E8E8");
	
////////////////////////////////////////////////////////////
////////////////////////// Data ////////////////////////////
////////////////////////////////////////////////////////////

var Names = ["Fac. Onderzoek","Fac. Onderwijs","Communicatie en Samenwerking","Fac. Inter- en Intranet","CCIS",
			"Servicepunt","Klanten- en Servicebeheer",".",".",
			".",".",".", "Other", "",
			"Other","Fac. Inter- en Intranet.in","Fac. Onderwijs.in","Fac. Onderzoek.in","Communicatie en Samenwerking.in","CCIS.in","Servicepunt.in",""];

var respondents = 10196, //Total number of respondents (i.e. the number that make up the total group
	emptyPerc = 0.5, //What % of the circle should become empty
	emptyStroke = Math.round(respondents*emptyPerc); 
var matrix = [
	[0,0,0,0,0,0,0,0,0,0,0,0,0,0,36,0,0,3489,0,0,877,0], //Fac. Onderzoek
	[0,0,0,0,0,0,0,0,0,0,0,0,0,0,7,1,1477,0,3,0,586,0], //Fac. Onderwijs
	[0,0,0,0,0,0,0,0,0,0,0,0,0,0,58,0,1,0,680,4,830,0], //Communicatie en Samenwerking
	[0,0,0,0,0,0,0,0,0,0,0,0,0,0,185,459,6,0,1,2,632,0], //Fac. Inter- en Intranet
	[0,0,0,0,0,0,0,0,0,0,0,0,0,0,76,1,4,0,2,196,355,0], //CCIS
	[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,19,0], //Servicepunt
	[0,0,0,0,0,0,0,0,0,0,0,0,0,0,75,0,0,88,0,0,0,0], //Klanten en Servicebeheer
	[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], //
	[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], //
	[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], //
	[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], //
	[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], //
	[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,5,8,17,14,0,0], //Other
	[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,emptyStroke], //dummyBottom
	[36,7,58,185,76,0,75,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], //Other.in
	[0,1,0,	459,1,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0], //Fac. Inter- en Intranet.in
	[0,1477,1,6,4,0,0,0,0,0,0,0,5,0,0,0,0,0,0,0,0,0], //Fac. Onderwijs.in
	[3489,0,0,0,0,1,88,0,0,0,0,0,8,0,0,0,0,0,0,0,0,0], //Fac. Onderzoek.in
	[0,3,680,1,2,0,0,0,0,0,0,0,17,0,0,0,0,0,0,0,0,0], //Communicatie en Samenwerking.in
	[0,0,4,	2,196,0,0,0,0,0,0,0,14,0,0,0,0,0,0,0,0,0], //CCIS.in
	[877,586,830,632,355,19,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], //Servicepunt.in
	[0,0,0,0,0,0,0,0,0,0,0,0,0,emptyStroke,0,0,0,0,0,0,0,0] //dummyTop
];
//Calculate how far the Chord Diagram needs to be rotated clockwise to make the dummy
//invisible chord center vertically
var offset = (2 * Math.PI) * (emptyStroke/(respondents + emptyStroke))/4;

//Custom sort function of the chords to keep them in the original order
var chord = customChordLayout() //d3.layout.chord()
	.padding(.02)
	.sortChords(d3.descending) //which chord should be shown on top when chords cross. Now the biggest chord is at the bottom
	.matrix(matrix);

var arc = d3.svg.arc()
	.innerRadius(innerRadius)
	.outerRadius(outerRadius)
	.startAngle(startAngle) //startAngle and endAngle now include the offset in degrees
	.endAngle(endAngle);

var path = stretchedChord() //Call the stretched chord function 
	.radius(innerRadius)
	.startAngle(startAngle)
	.endAngle(endAngle)
	.pullOutSize(pullOutSize);

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

var g = wrapper.selectAll("g.group")
	.data(chord.groups)
	.enter().append("g")
	.attr("class", "group")
	.on("mouseover", fade(opacityLow))
	.on("mouseout", fade(opacityDefault));

g.append("path")
	.style("stroke", function(d,i) { return (Names[i] === "" ? "none" : "#00A1DE"); })
	.style("fill", function(d,i) { return (Names[i] === "" ? "none" : "#00A1DE"); })
	.style("pointer-events", function(d,i) { return (Names[i] === "" ? "none" : "auto"); })
	.attr("d", arc)
	.attr("transform", function(d, i) { //Pull the two slices apart
				d.pullOutSize = pullOutSize * ( d.startAngle + 0.001 > Math.PI ? -1 : 1);
				return "translate(" + d.pullOutSize + ',' + 0 + ")";
	});

////////////////////////////////////////////////////////////
////////////////////// Append Names ////////////////////////
////////////////////////////////////////////////////////////

//The text also needs to be displaced in the horizontal directions
//And also rotated with the offset in the clockwise direction
g.append("text")
	.each(function(d) { d.angle = ((d.startAngle + d.endAngle) / 2) + offset;})
	.attr("dy", ".35em")
	.attr("class", "titles")
	.style("font-size", mobileScreen ? "8px" : "10px" )
	.attr("text-anchor", function(d) { return d.angle > Math.PI ? "end" : null; })
	.attr("transform", function(d,i) { 
		var c = arc.centroid(d);
		return "translate(" + (c[0] + d.pullOutSize) + "," + c[1] + ")"
		+ "rotate(" + (d.angle * 180 / Math.PI - 90) + ")"
		+ "translate(" + 20 + ",0)"
		+ (d.angle > Math.PI ? "rotate(180)" : "")
	})
  .text(function(d,i) { return Names[i]; })
  .call(wrapChord, 100);

////////////////////////////////////////////////////////////
//////////////////// Draw inner chords /////////////////////
////////////////////////////////////////////////////////////
 
wrapper.selectAll("path.chord")
	.data(chord.chords)
	.enter().append("path")
	.attr("class", "chord")
	.style("stroke", "none")
	.style("fill", "url(#animatedGradient)") //An SVG Gradient to give the impression of a flow from left to right
	.style("opacity", function(d) { return (Names[d.source.index] === "" ? 0 : opacityDefault); }) //Make the dummy strokes have a zero opacity (invisible)
	.style("pointer-events", function(d,i) { return (Names[d.source.index] === "" ? "none" : "auto"); }) //Remove pointer events from dummy strokes
	.attr("d", path)
	.on("mouseover", fadeOnChord)
	.on("mouseout", fade(opacityDefault));	

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

//Include the offset in de start and end angle to rotate the Chord diagram clockwise
function startAngle(d) { return d.startAngle + offset; }
function endAngle(d) { return d.endAngle + offset; }

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

// Fade function when hovering over chord
function fadeOnChord(d) {
	var chosen = d;
	wrapper.selectAll("path.chord")
		.transition()
		.style("opacity", function(d) {
			return d.source.index === chosen.source.index && d.target.index === chosen.target.index ? opacityDefault : opacityLow;
		});
}//fadeOnChord

/*Taken from http://bl.ocks.org/mbostock/7555321
//Wraps SVG text*/
function wrapChord(text, width) {
  text.each(function() {
	var text = d3.select(this),
		words = text.text().split(/\s+/).reverse(),
		word,
		line = [],
		lineNumber = 0,
		lineHeight = 1.1, // ems
		y = 0,
		x = 0,
		dy = parseFloat(text.attr("dy")),
		tspan = text.text(null).append("tspan").attr("x", x).attr("y", y).attr("dy", dy + "em");

	while (word = words.pop()) {
	  line.push(word);
	  tspan.text(line.join(" "));
	  if (tspan.node().getComputedTextLength() > width) {
		line.pop();
		tspan.text(line.join(" "));
		line = [word];
		tspan = text.append("tspan").attr("x", x).attr("y", y).attr("dy", ++lineNumber * lineHeight + dy + "em").text(word);
	  }
	}
  });
}//wrapChord