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

var screenWidth = $(window).width();

var margin = {left: 50, top: 10, right: 50, bottom: 10},
	width = Math.min(screenWidth, 837) - margin.left - margin.right,
	height = Math.min(screenWidth, 1000)*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  - 38,
	innerRadius = outerRadius * 0.95,
	opacityDefault = 0.7; //default opacity of chords
	
////////////////////////////////////////////////////////////
////////////////////////// Data ////////////////////////////
////////////////////////////////////////////////////////////

var Names = ["JP_C_rice","JP_C_whet","JP_C_cere","JP_C_vege","JP_C_olsd","JP_C_beet","JP_C_fib","JP_C_crop","JP_C_catt","JP_C_pigs","JP_C_poul","JP_C_meat","JP_C_anip","JP_C_milk","JP_C_wool","JP_C_log","JP_C_fish","JP_MN","JP_P_catt","JP_P_pigs","JP_P_poul","JP_P_meat","JP_P_veol","JP_P_milk","JP_P_rice","JP_P_sugr","JP_P_food","JP_M_beve","JP_M_fish","JP_M_toba","JP_M_text","JP_M_wear","JP_M_lead","JP_M_wd","JP_M_rwd","JP_MaL","JP_MaH","JP_ES","JP_WT","JP_SV","JP_WST","CN_C_rice","CN_C_whet","CN_C_cere","CN_C_vege","CN_C_olsd","CN_C_beet","CN_C_fib","CN_C_crop","CN_C_catt","CN_C_pigs","CN_C_poul","CN_C_meat","CN_C_anip","CN_C_milk","CN_C_wool","CN_C_log","CN_C_fish","CN_MN","CN_P_catt","CN_P_pigs","CN_P_poul","CN_P_meat","CN_P_veol","CN_P_milk","CN_P_rice","CN_P_sugr","CN_P_food","CN_M_beve","CN_M_fish","CN_M_toba","CN_M_text","CN_M_wear","CN_M_lead","CN_M_wd","CN_M_rwd","CN_MaL","CN_MaH","CN_ES","CN_WT","CN_SV","CN_WST"
];

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[0,0,0,5.48949801343986,0,0,0,1.14062988899333,0,0,4.13164229712658,0,0,0,0,1.21120348834512,15.0390168911563,0,6.66266013298909,7.39446995032049,3.07318648536803,1.00189331369934,1.1592720125788,8.94898023800409,4.87284762870239,1.08410100657686,198.735627706555,38.9732995257712,414.184260871549,2.28099370841786,10.1127074118322,24.9095056670697,3.59660891562205,0,0,105.600060572951,760.38227698703,23.0888184067783,2.1213887658595,1558.70082655911,78.4233127405644,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,1.17803017690309,0,0,0,0,0,0,2.05189435278946,0,0,0,0,0,1.35665517339537,0,3.18234398446978,3.41440727398076,1.43342801575362,0,0,5.07749472661241,1.1241508866579,0,59.9188537515091,20.7408978061128,29.3200687191038,0,4.90943239407706,12.0375779371432,1.48139578605943,0,0,22.027126430596,152.774738644659,5.03788065549718,0,285.447210933689,18.1531368698715,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,1.62990653491485,0,0,0,0,0,0,0,2.45439696478043,2.65969223789149,1.1212846833497,0,0,3.41226100176499,0,0,42.3551820971404,15.4913650010212,6.43433030639401,0,2.33086007001061,5.72159857605505,0,0,0,8.31633710075803,60.8976740225967,1.88809901439496,0,125.068357776122,7.50850483544231,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,1.77197196374701,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1.52356206599197,1.49312356131496,0,14.4880484704075,6.97891811204759,11.6594292120527,1.34278021193292,3.8625652462169,9.55670491126441,1.3565926354331,0,0,37.6714028254535,308.161742132402,11.940129513217,1.14117131431607,433.606396093994,35.9705604350043,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,5.74211528426425,0,18.0190477789936,0,0,0,0,0,0,0,5.74515657664555,0,0,39.8287598219111,1.25673164493982,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1.08521357264154,0,0,0,0,0,0,0,0,5.31062929100091,34.0593903912026,0,0,33.205029504277,2.49060157880184,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,37.0476593970483,0,0,0,6.57089027590701,0,0,3.62360956828678,0,0,1.23202189443785,0,23.9951682538107,41.0366435011987,0,9.05031536914178,8.41986199387402,3.37115909356777,1.43454070016834,4.86267202073515,18.3621803730827,32.3892878036405,2.03760519141999,161.14378451247,63.8284371702548,114.569678232563,13.6967090455833,1281.82715746588,3113.57288403501,207.36548266928,2.40691785093442,0,486.579312139932,4610.33981562176,65.9611102767046,10.1785775843061,7098.25859164877,837.480319736703,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,6.64667381374159,0,0,0,1.1879032658236,0,0,0,0,0,0,0,0,2.78204430699977,0,1.30624927172686,1.21782083453013,0,0,0,3.09057245319879,5.6295393685488,0,23.0362129780833,8.57565415311631,9.98930026344993,1.60126511589542,8.60310500642231,24.2604875533894,3.32186494939096,0,0,42.8700460480121,299.678615580356,7.70863170482726,1.0770423891623,722.109737426884,119.810014811519,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,1.14832108146384,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,6.15844105713634,2.91485442450165,3.40915958926776,0,5.01213511988472,12.6784683157508,65.7005827876367,0,0,20.9068714154534,230.506516027476,6.28211129645699,0,248.211714195918,28.8956291430051,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,3.47015117532202,0,0,0,0,0,0,0,0,0,0,0,0,1.41720345723664,0,1.00921113539062,1.00000007316966,0,0,0,2.25876933117453,2.77139187960529,0,18.9884334248747,10.254902457284,12.2894806740795,1.68647373811532,5.58179770205195,14.2374730396523,2.37340319206771,0,0,74.0366595332871,791.715859160937,24.0754789979645,1.60812719017972,641.269216127726,52.019691189048,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2.10523280851484,1.13695303968111,1.3625251402145,0,0,1.57849753493392,0,0,0,8.20838671599617,87.7769200035058,2.66922958482866,0,71.0970179938156,5.76738260232318,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[15.3078211314106,3.21516746689939,0,2433.33438562559,70.1889320617619,0,0,493.643584770148,10.1909566601768,0,204.676571659704,1.32548879400938,13.6565056256091,79.9222289778794,0,293.389353221938,537.022593920533,33.994954130934,495.253644992129,469.73263528497,183.428420462621,109.093799123117,247.78165676686,1087.78055375343,1535.28109015599,126.136318862042,9201.04277546867,5791.35229938206,4912.5744852864,665.719947626089,2998.32928834035,7343.36269280991,1257.83356101578,69.248689084783,26.5623074006419,47652.6887449094,276424.40945068,7341.23570680178,643.870823819253,275625.324250263,20086.1960554223,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,28.8671362079411,1.1287238086062,0,0,6.8819307785319,0,0,3.7623790091519,0,0,1.91181981776179,0,8.24332236037898,20.4688624916106,0,9.53512372229996,9.56328683201442,3.41243717722114,1.84330884934793,4.13384216577811,23.118649081048,30.4562339914727,2.38508175941392,170.214826340305,88.9374712316619,100.025579233397,16.1002911097343,40.0554626062793,118.033634623135,22.7929508615498,1.93764338929529,0,620.881127002349,15111.032319118,264.164977175881,17.1242232410491,7263.41531582124,614.205410026267,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[7.37373508967526,1.48605320707725,0,1099.39914630088,31.707967841904,0,0,225.552423673641,6.1465712390081,0,126.771645785072,0,8.43160973773903,46.8179309768488,0,178.825146482459,358.284545122486,19.887770534547,290.253115875426,285.148166305985,110.123870366636,79.6347283989984,134.529876563595,617.095010502094,778.619566248464,70.6812911514498,5566.53016388084,2982.66427546781,3614.47473433198,371.772085558548,2733.30869050338,6674.58775824567,842.893319091854,38.490762168349,14.4943979353344,23968.5442229628,151802.270469486,8552.66001851935,374.803083425906,153902.122604576,12072.4822199212,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,81.4089877994364,2.33878163115873,0,0,16.6321074943415,0,0,10.4514782731074,0,0,3.7024597072964,0,14.4177646896451,32.5773485179279,1.56543298278456,23.3376415735886,23.1701899245417,9.00350071282502,6.84268321844556,10.5177991919959,48.416591562194,59.1346288185284,5.45426922425952,466.015267670186,229.126149227144,379.87835449602,31.1162755258312,247.636140463867,607.137514691673,74.6695146104619,2.99209619203106,1.12688396675196,1687.71580812168,12012.0332956977,512.753785719462,29.6466404645306,12483.3935570852,1001.93365906619,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[1.03703018455197,0,0,149.428719791927,4.28574196018445,0,0,29.9847091333676,1.22372763807406,0,25.5667355220987,0,1.58534396682144,8.7311132013313,0,31.6051238130671,60.3851030172355,4.37629165680535,59.7545393040023,60.4984974540996,22.9397378480137,15.2403992807385,24.6683933301849,130.441359583545,126.514359313301,13.1778222625092,1125.50149968206,586.22627379568,694.738792362574,133.380497698409,362.585224935645,887.377823219327,121.646423805173,6.9875585660938,2.5795379247681,3270.41080345204,23417.4265634449,1030.19436682422,110.487402778584,39364.2095519172,3354.04758214158,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,3.21333113564842,0,0,0,0,0,0,0,0,0,0,0,0,1.11271561621158,0,1.11939180511179,1.12852166866608,0,0,0,2.19742386277353,2.24927925800423,0,21.0302198565411,10.0756970404454,11.9659589867618,1.75396859261228,8.25819489257376,20.225210857717,2.64910395096405,0,0,61.6362065188813,419.585128175971,22.1845469870889,1.32929246235957,541.711836243812,51.3154436398517,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],




];

var chord = d3.layout.chord()
	.padding(.02)
	.sortSubgroups(d3.descending) //sort the chords inside an arc from high to low
	.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);

var path = d3.svg.chord()
	.radius(innerRadius);
	
var fill = d3.scale.ordinal()
    .domain(d3.range(Names.length))
    .range(["#9fe901","#0dfd01","#32fa99","#01fdec","#01bafd","#0165e9","#0137fd","#5d32fa","#9401fd",
         "#dc01fd","#e901c6","#fd01ba","#fa324c","#fd0105","#fd5d01","#e97d01","#fdbe01","#fae032",
         "#fde001","#dcfd01","#9fe901","#87fd01","#49fa32","#01fd72",
         "#026500","#009d3a","#009327","#02724f","#008e89","#007593","#004f9d","#003cbb","#001b89","#0017a7",
      "#2a0093","#7500d6","#fffc51","#ae039a","#8e0024","#ff2837","#b25c00","#d69500","#a1a903","#8b8e00",
         "#65ac00","#29a200","#00a200",
         "#87fcaa","#6bfead","#6bfee3","#8fc3fe","#7b8afe","#b196fc","#c97bfe","#e17bfe","#fe85f6",
         "#fe8fd9","#fc8798","#fe7585","#fe896b","#fe9a6b","#feb566","#fcd973","#fcfe75","#d2fe80","#d1fe70",
         "#37da01","#1efa84","#39e0fe","#4359fe","#e13efe","#fe4d7c","#f82e0b","#fea866","#fef448","#bcfd2e",
         "#a9fd34","#04cc0e","#01dab2","#6601da","#017bfd","#e101e9"]);

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

var g = wrapper.selectAll("g.group")
	.data(chord.groups)
	.enter().append("g")
	.attr("class", "group");;

g.append("path")
	.style("stroke", function(d) { return fill(d.index); })
	.style("fill", function(d) { return fill(d.index); })
	.attr("d", arc);

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

g.append("text")
	.each(function(d) { d.angle = ((d.startAngle + d.endAngle) / 2);})
	.attr("dy", ".35em")
	.attr("class", "titles")
	.attr("text-anchor", function(d) { return d.angle > Math.PI ? "end" : null; })
	.attr("transform", function(d,i) { 
		var c = arc.centroid(d);
		return "rotate(" + (d.angle * 180 / Math.PI - 90) + ")"
		+ "translate(" + (innerRadius + 27) + ")"
		+ (d.angle > Math.PI ? "rotate(180)" : "")
	})
	.text(function(d,i) { return Names[i]; });

//+ "translate(" + (innerRadius + 55) + ")"

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

var chords = wrapper.selectAll("path.chord")
	.data(chord.chords)
	.enter().append("path")
	.attr("class", "chord")
	.style("stroke", "none")
	.style("fill", function(d,i) { return fill(d.target.index); })
	.style("opacity", opacityDefault)
	.attr("d", path);	

////////////////////////////////////////////////////////////
///////////////////////// Tooltip //////////////////////////
////////////////////////////////////////////////////////////

//Arcs
g.append("title")	
	.text(function(d, i) {return Math.round(d.value) + " energy in " + Names[i];});
	
//Chords
chords.append("title")
	.text(function(d) {
		return [Math.round(d.source.value), " energy from ", Names[d.target.index], " to ", Names[d.source.index]].join(""); 
	});