ilyabo · March 26, 2012 19:57
diff --git a/index.html b/index.html
 <!DOCTYPE html>
 <html>
  <head>
   <script type="text/javascript" src="http://mbostock.github.com/d3/d3.v2.js"></script>
     <style type="text/css">
    svg {
     border:1px solid gray
    }

    #countries path {
      fill: #f5f5f5;
      stroke: #fff;
    }

    #arcs path {
      fill: none;
      stroke-opacity: .9;
    }

    </style>
  </head>
  </head>
  <body>
    <div id="chart"></div>
    <script type="text/javascript">

    var w = 960,
        h = 500;

    var useGreatCircles = true;

    d3.loadData = function() {
        var loadedCallback = null;
        var toload = {};
        var data = {};
        var loaded = function(name, d) {
          delete toload[name];
          data[name] = d;
          return notifyIfAll();
        };
        var notifyIfAll = function() {
          if ((loadedCallback != null) && d3.keys(toload).length === 0) {
            loadedCallback(data);
          }
        };
        var loader = {
          json: function(name, url) {
            toload[name] = url;
            d3.json(url, function(d) {
              return loaded(name, d);
            });
            return loader;
          },
          csv: function(name, url) {
            toload[name] = url;
            d3.csv(url, function(d) {
              return loaded(name, d);
            });
            return loader;
          },
          onload: function(callback) {
            loadedCallback = callback;
            notifyIfAll();
          }
        };
        return loader;
      };



    var projection = d3.geo.mercator()
        .translate([480, 300])
        .scale(970);
   
 /*

 var projection = d3.geo.albers()
        .origin([-500, 300])
        .scale(100);  
  var projection = d3.geo.azimuthal()
        .origin([80, 400])
        .scale(200);

 */

    var path = d3.geo.path()
        .projection(projection);

    var arc = d3.geo.greatArc().precision(3) //3);

    var svg = d3.select("body").append("svg")
        .attr("width", w)
        .attr("height", h);

    var countries = svg.append("g").attr("id", "countries");
    var centroids = svg.append("g").attr("id", "centroids");
    var arcs = svg.append("g").attr("id", "arcs");

    svg.append("text")
      .attr("id", "loading")
      .attr("x", 5)
      .attr("y", 17)
      .attr("font-size", "9pt")
      .attr("font-family", "arial")
      .text("Loading...");

    d3.loadData()
      .json('countries', 'world-countries.json')
      .csv('nodes', 'refugee-nodes.csv')
      .csv('flows', 'refugee-flows.csv')
      .onload(function(data) {

        d3.select("#loading").attr("visibility", "hidden");

        var nodeDataByCode = {}, links = [];
        var year = '2008';
        var maxMagnitude =
          d3.max(data.flows, function(d) { return parseFloat(d[year])});
        var magnitudeFormat = d3.format(",.0f");

        var arcWidth = d3.scale.linear().domain([1, maxMagnitude]).range([.1, 7]);
        var minColor = '#f0f0f0', maxColor = 'rgb(8, 48, 107)';
        var arcColor = d3.scale.log().domain([1, maxMagnitude]).range([minColor, maxColor]);
        var arcOpacity = d3.scale.log().domain([1, maxMagnitude]).range([0.3, 1]);

        countries.selectAll("path")
          .data(data.countries.features)
        .enter().append("path")
          .attr("d", path);





        function nodeCoords(node) { 
          var lon = parseFloat(node.Lon), lat = parseFloat(node.Lat);
          if (isNaN(lon) || isNaN(lat)) return null;
          return [lon, lat]; 
        }

        data.nodes.forEach(function(node) {
          node.coords = nodeCoords(node);
          node.projection = node.coords ? projection(node.coords) : undefined;
          nodeDataByCode[node.Code] = node;
        });

        //data.flows = data.flows.filter(function(d) { return (d.Origin == 'IDN' && d.Dest == 'USA') ||  (d.Origin == 'LBR'  &&  d.Dest == 'NZL' );  });

        data.flows.forEach(function(flow) {
          var o = nodeDataByCode[flow.Origin], co = o.coords, po = o.projection;
          var d = nodeDataByCode[flow.Dest], cd = d.coords, pd = d.projection;
          var magnitude = parseFloat(flow[year]);
          if (co  &&  cd  &&  !isNaN(magnitude)) {
            links.push({
              source: co, target: cd,
              magnitude: magnitude,
              origin:o, dest:d,
              originp: po, destp:pd 
            });
          }
        });


        centroids.selectAll("circle")
          .data(data.nodes.filter(function(node) { return node.projection ? true : false }))
        .enter().append("circle")
          .attr("cx", function(d) { return d.projection[0] } )
          .attr("cy", function(d) { return d.projection[1] } )
          .attr("r", 1)
          .attr("fill", "#000")
          .attr("opacity", 0.5)
          ;



        var strokeFun = function(d) { return arcColor(d.magnitude); };

        function splitPath(path) {
          var avgd = 0, i, d;
          var c, pc, dx, dy;
          var points = path.split("L");
          if (points.length < 2) return path;
          var newpath = [ points[0] ];
          var coords = points.map(function(d, i) {
            return d.substr(i > 0 ? 0 : 1).split(","); // remove M and split
          });

          // calc avg dist between points
          for (i = 1; i < coords.length; i++) {
            pc = coords[i-1]; c = coords[i];
            dx = c[0] - pc[0]; dy = c[1] - pc[1];
            d = Math.sqrt(dx*dx + dy*dy);
            c.push(d);  // push dist as last elem of c
            avgd += d;
          }
          avgd /= coords.length - 1;

          // for points with long dist from prev use M instead of L
          for (i = 1; i < coords.length; i++) {
            c = coords[i];
            newpath.push((c[2] > 5 * avgd ? "M" : "L") + points[i]);
          }
          return newpath.join("");
        }

        var gradientNameFun = function(d) { return "grd"+d.origin.Code+d.dest.Code; };
        var gradientRefNameFun = function(d) { return "url(#"+gradientNameFun(d)+")"; };

        var defs = svg.append("svg:defs");

        // see http://apike.ca/prog_svg_patterns.html
        defs.append("marker")
          .attr("id", "arrowHead")
          .attr("viewBox", "0 0 10 10")
          .attr("refX", 10)
          .attr("refY", 5)
          .attr("orient", "auto")
          //.attr("markerUnits", "strokeWidth")
          .attr("markerUnits", "userSpaceOnUse")
          .attr("markerWidth", 4*2)
          .attr("markerHeight", 3*2)
        .append("polyline")
          .attr("points", "0,0 10,5 0,10 1,5")
          .attr("fill", maxColor)
          //.attr("opacity", 0.5)
          ;


        var gradient = defs.selectAll("linearGradient")
          .data(links)
        .enter()
          .append("svg:linearGradient")
            .attr("id", gradientNameFun)
            .attr("gradientUnits", "userSpaceOnUse")
            .attr("x1", function(d) { 
              return d.originp[0]; })
            .attr("y1", function(d) { return d.originp[1]; })
            .attr("x2", function(d) { return d.destp[0]; })
            .attr("y2", function(d) { return d.destp[1]; })
            ;

        gradient.append("svg:stop")
            .attr("offset", "0%")
            .attr("stop-color", minColor)
            .attr("stop-opacity", .0);
        gradient.append("svg:stop")
            .attr("offset", "80%")
            .attr("stop-color", strokeFun)
            .attr("stop-opacity", 1.0);
        gradient.append("svg:stop")
            .attr("offset", "100%")
            .attr("stop-color", strokeFun)
            .attr("stop-opacity", 1.0);



        var arcNodes = arcs.selectAll("path")
          .data(links)
        .enter().append("path")
          //.attr("visibility", function(d) { return d.magnitude > 500 ? "visible" : "hidden"})
          .attr("stroke", gradientRefNameFun)
          //.attr("stroke", "red")
          //.attr("opacity", function(d) { return arcOpacity(d.magnitude); })
          //.attr("stroke", strokeFun)
          .attr("stroke-linecap", "round")
          .attr("stroke-width", function(d) { return arcWidth(d.magnitude); })
          .attr("d", function(d) { 
            if (useGreatCircles)
              return splitPath(path(arc(d)));
            else 
              return path({
                type: "LineString",
                coordinates: [d.source, d.target]
              });
          })
          .sort(function(a, b) {
            var a = a.magnitude, b = b.magnitude;
            if (isNaN(a)) if (isNaN(b)) return 0; else return -1; if (isNaN(b)) return 1;
            return d3.ascending(a, b); 
          });
        arcNodes.on("mouseover", function(d) { 
          d3.select(this)
            .attr("stroke", "red")
            .attr("marker-end", "url(#arrowHead)");
        })
        arcNodes.on("mouseout", function(d) {
            d3.select(this)
              .attr("marker-end", "none")
              .attr("stroke", gradientRefNameFun); })
        ;


        arcNodes.append("svg:title")
          .text(function(d) {
            return d.origin.Name+" -> "+d.dest.Name+"\n"+
                   "Refugees in " +year+": " +magnitudeFormat(d.magnitude); 
        })
        ;

        /*
        setTimeout(function() {
          arcs.selectAll("path").attr("marker-end", "url(#arrowHead)");
        }, 0);
        */

      });

    </script>
  </body>
 </html>
diff --git a/refugee-flows.csv b/refugee-flows.csv
diff --git a/refugee-nodes.csv b/refugee-nodes.csv
diff --git a/world-countries.json b/world-countries.json
	<!DOCTYPE html>
	<html>
	<head>
	<script type="text/javascript" src="http://mbostock.github.com/d3/d3.v2.js"></script>
	<style type="text/css">
	svg {
	border:1px solid gray
	}

	#countries path {
	fill: #f5f5f5;
	stroke: #fff;
	}

	#arcs path {
	fill: none;
	stroke-opacity: .9;
	}

	</style>
	</head>
	</head>
	<body>
	<div id="chart"></div>
	<script type="text/javascript">

	var w = 960,
	h = 500;

	var useGreatCircles = true;

	d3.loadData = function() {
	var loadedCallback = null;
	var toload = {};
	var data = {};
	var loaded = function(name, d) {
	delete toload[name];
	data[name] = d;
	return notifyIfAll();
	};
	var notifyIfAll = function() {
	if ((loadedCallback != null) && d3.keys(toload).length === 0) {
	loadedCallback(data);
	}
	};
	var loader = {
	json: function(name, url) {
	toload[name] = url;
	d3.json(url, function(d) {
	return loaded(name, d);
	});
	return loader;
	},
	csv: function(name, url) {
	toload[name] = url;
	d3.csv(url, function(d) {
	return loaded(name, d);
	});
	return loader;
	},
	onload: function(callback) {
	loadedCallback = callback;
	notifyIfAll();
	}
	};
	return loader;
	};



	var projection = d3.geo.mercator()
	.translate([480, 300])
	.scale(970);

	/*

	var projection = d3.geo.albers()
	.origin([-500, 300])
	.scale(100);
	var projection = d3.geo.azimuthal()
	.origin([80, 400])
	.scale(200);

	*/

	var path = d3.geo.path()
	.projection(projection);

	var arc = d3.geo.greatArc().precision(3) //3);

	var svg = d3.select("body").append("svg")
	.attr("width", w)
	.attr("height", h);

	var countries = svg.append("g").attr("id", "countries");
	var centroids = svg.append("g").attr("id", "centroids");
	var arcs = svg.append("g").attr("id", "arcs");

	svg.append("text")
	.attr("id", "loading")
	.attr("x", 5)
	.attr("y", 17)
	.attr("font-size", "9pt")
	.attr("font-family", "arial")
	.text("Loading...");

	d3.loadData()
	.json('countries', 'world-countries.json')
	.csv('nodes', 'refugee-nodes.csv')
	.csv('flows', 'refugee-flows.csv')
	.onload(function(data) {

	d3.select("#loading").attr("visibility", "hidden");

	var nodeDataByCode = {}, links = [];
	var year = '2008';
	var maxMagnitude =
	d3.max(data.flows, function(d) { return parseFloat(d[year])});
	var magnitudeFormat = d3.format(",.0f");

	var arcWidth = d3.scale.linear().domain([1, maxMagnitude]).range([.1, 7]);
	var minColor = '#f0f0f0', maxColor = 'rgb(8, 48, 107)';
	var arcColor = d3.scale.log().domain([1, maxMagnitude]).range([minColor, maxColor]);
	var arcOpacity = d3.scale.log().domain([1, maxMagnitude]).range([0.3, 1]);

	countries.selectAll("path")
	.data(data.countries.features)
	.enter().append("path")
	.attr("d", path);





	function nodeCoords(node) {
	var lon = parseFloat(node.Lon), lat = parseFloat(node.Lat);
	if (isNaN(lon) \|\| isNaN(lat)) return null;
	return [lon, lat];
	}

	data.nodes.forEach(function(node) {
	node.coords = nodeCoords(node);
	node.projection = node.coords ? projection(node.coords) : undefined;
	nodeDataByCode[node.Code] = node;
	});

	//data.flows = data.flows.filter(function(d) { return (d.Origin == 'IDN' && d.Dest == 'USA') \|\| (d.Origin == 'LBR' && d.Dest == 'NZL' ); });

	data.flows.forEach(function(flow) {
	var o = nodeDataByCode[flow.Origin], co = o.coords, po = o.projection;
	var d = nodeDataByCode[flow.Dest], cd = d.coords, pd = d.projection;
	var magnitude = parseFloat(flow[year]);
	if (co && cd && !isNaN(magnitude)) {
	links.push({
	source: co, target: cd,
	magnitude: magnitude,
	origin:o, dest:d,
	originp: po, destp:pd
	});
	}
	});


	centroids.selectAll("circle")
	.data(data.nodes.filter(function(node) { return node.projection ? true : false }))
	.enter().append("circle")
	.attr("cx", function(d) { return d.projection[0] } )
	.attr("cy", function(d) { return d.projection[1] } )
	.attr("r", 1)
	.attr("fill", "#000")
	.attr("opacity", 0.5)
	;



	var strokeFun = function(d) { return arcColor(d.magnitude); };

	function splitPath(path) {
	var avgd = 0, i, d;
	var c, pc, dx, dy;
	var points = path.split("L");
	if (points.length < 2) return path;
	var newpath = [ points[0] ];
	var coords = points.map(function(d, i) {
	return d.substr(i > 0 ? 0 : 1).split(","); // remove M and split
	});

	// calc avg dist between points
	for (i = 1; i < coords.length; i++) {
	pc = coords[i-1]; c = coords[i];
	dx = c[0] - pc[0]; dy = c[1] - pc[1];
	d = Math.sqrt(dxdx + dydy);
	c.push(d); // push dist as last elem of c
	avgd += d;
	}
	avgd /= coords.length - 1;

	// for points with long dist from prev use M instead of L
	for (i = 1; i < coords.length; i++) {
	c = coords[i];
	newpath.push((c[2] > 5 * avgd ? "M" : "L") + points[i]);
	}
	return newpath.join("");
	}

	var gradientNameFun = function(d) { return "grd"+d.origin.Code+d.dest.Code; };
	var gradientRefNameFun = function(d) { return "url(#"+gradientNameFun(d)+")"; };

	var defs = svg.append("svg:defs");

	// see http://apike.ca/prog_svg_patterns.html
	defs.append("marker")
	.attr("id", "arrowHead")
	.attr("viewBox", "0 0 10 10")
	.attr("refX", 10)
	.attr("refY", 5)
	.attr("orient", "auto")
	//.attr("markerUnits", "strokeWidth")
	.attr("markerUnits", "userSpaceOnUse")
	.attr("markerWidth", 4*2)
	.attr("markerHeight", 3*2)
	.append("polyline")
	.attr("points", "0,0 10,5 0,10 1,5")
	.attr("fill", maxColor)
	//.attr("opacity", 0.5)
	;


	var gradient = defs.selectAll("linearGradient")
	.data(links)
	.enter()
	.append("svg:linearGradient")
	.attr("id", gradientNameFun)
	.attr("gradientUnits", "userSpaceOnUse")
	.attr("x1", function(d) {
	return d.originp[0]; })
	.attr("y1", function(d) { return d.originp[1]; })
	.attr("x2", function(d) { return d.destp[0]; })
	.attr("y2", function(d) { return d.destp[1]; })
	;

	gradient.append("svg:stop")
	.attr("offset", "0%")
	.attr("stop-color", minColor)
	.attr("stop-opacity", .0);
	gradient.append("svg:stop")
	.attr("offset", "80%")
	.attr("stop-color", strokeFun)
	.attr("stop-opacity", 1.0);
	gradient.append("svg:stop")
	.attr("offset", "100%")
	.attr("stop-color", strokeFun)
	.attr("stop-opacity", 1.0);



	var arcNodes = arcs.selectAll("path")
	.data(links)
	.enter().append("path")
	//.attr("visibility", function(d) { return d.magnitude > 500 ? "visible" : "hidden"})
	.attr("stroke", gradientRefNameFun)
	//.attr("stroke", "red")
	//.attr("opacity", function(d) { return arcOpacity(d.magnitude); })
	//.attr("stroke", strokeFun)
	.attr("stroke-linecap", "round")
	.attr("stroke-width", function(d) { return arcWidth(d.magnitude); })
	.attr("d", function(d) {
	if (useGreatCircles)
	return splitPath(path(arc(d)));
	else
	return path({
	type: "LineString",
	coordinates: [d.source, d.target]
	});
	})
	.sort(function(a, b) {
	var a = a.magnitude, b = b.magnitude;
	if (isNaN(a)) if (isNaN(b)) return 0; else return -1; if (isNaN(b)) return 1;
	return d3.ascending(a, b);
	});
	arcNodes.on("mouseover", function(d) {
	d3.select(this)
	.attr("stroke", "red")
	.attr("marker-end", "url(#arrowHead)");
	})
	arcNodes.on("mouseout", function(d) {
	d3.select(this)
	.attr("marker-end", "none")
	.attr("stroke", gradientRefNameFun); })
	;


	arcNodes.append("svg:title")
	.text(function(d) {
	return d.origin.Name+" -> "+d.dest.Name+"\n"+
	"Refugees in " +year+": " +magnitudeFormat(d.magnitude);
	})
	;

	/*
	setTimeout(function() {
	arcs.selectAll("path").attr("marker-end", "url(#arrowHead)");
	}, 0);
	*/

	});

	</script>
	</body>
	</html>
Code	Name	Lat	Lon	region1	region2
TUV	Tuvalu	-7.540024	178.283237	Oceania	Polynesia
THA	Thailand	15.502027	101.199542	Asia	South-Eastern Asia
MLT	Malta	35.891981	14.442436	Europe	Southern Europe
*ST	Stateless	NaN	NaN	Other	Various
WSM	Samoa	-13.780031	-172.115116	Oceania	Polynesia
KGZ	Kyrgyzstan	41.22812	73.842561	Asia	Central Asia
BRA	Brazil	-9.872666	-53.169127	Americas	South America
ZMB	Zambia	-13.047165	28.051606	Africa	Eastern Africa
AND	Andorra	42.549993	1.587428	Europe	Southern Europe
YEM	Yemen	15.563412	47.950477	Asia	Western Asia
MLI	Mali	16.515929	-4.506424	Africa	Western Africa
SGP	Singapore	1.351663	103.813638	Asia	South-Eastern Asia
IRN	Iran	32.673635	53.738655	Asia	Southern Asia
PRI	Puerto Rico	18.215092	-66.344216	Americas	Caribbean
OMN	Oman	21.073477	56.133518	Asia	Western Asia
TGO	Togo	8.747135	0.88087	Africa	Western Africa
MNG	Mongolia	47.224048	103.803616	Asia	Eastern Asia
MNE	Montenegro	42.751687	19.296053	Europe	Southern Europe
POL	Poland	52.096874	19.183304	Europe	Eastern Europe
LBN	Lebanon	33.878374	35.881368	Asia	Western Asia
HRV	Croatia	44.444795	16.343293	Europe	Southern Europe
GBR	United Kingdom	52.597352	-1.534873	Europe	Northern Europe
VCT	St Vincent	13.256242	-61.192859	Americas	Caribbean
AGO	Angola	-11.553455	17.442383	Africa	Middle Africa
SYR	Syria	35.104411	38.475003	Asia	Western Asia
TZA	Tanzania	-6.42256	35.381934	Africa	Eastern Africa
DZA	Algeria	28.648929	2.550384	Africa	Northern Africa
ESH	Western Sahara	24.558661	-13.13169	Africa	Northern Africa
KIR	Kiribati	1.843581	-142.355756	Oceania	Micronesia
BWA	Botswana	-22.285449	23.925844	Africa	Southern Africa
BGD	Bangladesh	23.784454	89.963937	Asia	Southern Asia
BTN	Bhutan	27.394079	90.504295	Asia	Southern Asia
BMU	Bermuda	32.31284	-64.744856	Americas	Northern America
GIB	Gibraltar	36.140863	-5.344939	Europe	Southern Europe
TTO	Trinidad & Tobago	10.563222	-61.241299	Americas	Caribbean
TLS	Timor-Leste	-8.839555	125.7115	Asia	South-Eastern Asia
BLR	Belarus	53.460297	27.984375	Europe	Eastern Europe
SUR	Suriname	4.167872	-55.867785	Americas	South America
AFG	Afghanistan	34.427919	67.297715	Asia	Southern Asia
IRQ	Iraq	33.156784	44.021816	Asia	Western Asia
TJK	Tajikistan	38.775212	70.833845	Asia	Central Asia
KEN	Kenya	0.638006	38.025679	Africa	Eastern Africa
SLB	Solomon Islands	-8.910545	159.537743	Oceania	Melanesia
CHN	China	35.703649	107.400296	Asia	Eastern Asia
MUS	Mauritius	-20.163688	58.765571	Africa	Eastern Africa
LSO	Lesotho	-29.595733	28.244114	Africa	Southern Africa
NLD	Netherlands	52.160556	5.208745	Europe	Western Europe
VUT	Vanuatu	-16.308522	167.89617	Oceania	Melanesia
*PA	Palestine	31.92157	35.20329	Asia	Western Asia
IND	India	22.606858	79.627816	Asia	Southern Asia
MDV	Maldives	3.353159	73.260862	Asia	Southern Asia
NPL	Nepal	28.195011	84.219606	Asia	Southern Asia
ZAF	South Africa	-28.695832	25.029527	Africa	Southern Africa
FJI	Fiji	-17.341633	158.940593	Oceania	Melanesia
KNA	St Kitts	17.313103	-62.736679	Americas	Caribbean
FSM	Micronesia	6.293391	160.009199	Oceania	Micronesia
UZB	Uzbekistan	41.447353	64.79929	Asia	Central Asia
PAK	Pakistan	29.656567	68.682852	Asia	Southern Asia
SAU	Saudi Arabia	23.996171	44.504129	Asia	Western Asia
LCA	Saint Lucia	13.903085	-60.9659	Americas	Caribbean
ROU	Romania	45.645985	25.17443	Europe	Eastern Europe
HTI	Haiti	18.880726	-72.854611	Americas	Caribbean
FRA	France	46.336883	2.270183	Europe	Western Europe
VAT	Holy See	41.903359	12.452214	Europe	Southern Europe
GMB	Gambia	13.436223	-15.54618	Africa	Western Africa
ZWE	Zimbabwe	-18.931388	29.676439	Africa	Eastern Africa
BDI	Burundi	-3.241797	29.899848	Africa	Eastern Africa
PYF	French Polynesia	-14.220586	-145.715872	Oceania	Polynesia
FIN	Finland	64.500053	27.218937	Europe	Northern Europe
ALB	Albania	41.115789	20.036435	Europe	Southern Europe
VEN	Venezuela	7.80464	-65.891969	Americas	South America
UGA	Uganda	1.324938	32.233743	Africa	Eastern Africa
SWE	Sweden	64.545152	16.738748	Europe	Northern Europe
JPN	Japan	35.992619	137.776432	Asia	Eastern Asia
SLE	Sierra Leone	8.423922	-11.939061	Africa	Western Africa
DOM	Dominican Rep.	18.81433	-70.277471	Americas	Caribbean
HKG	Hong Kong	22.346283	114.11677	Asia	Eastern Asia
GAB	Gabon	-0.812692	11.46462	Africa	Middle Africa
ISR	Israel	31.545732	35.035337	Asia	Western Asia
MAR	Morocco	31.416697	-6.735714	Africa	Northern Africa
MCO	Monaco	43.747842	7.412771	Europe	Western Europe
ARM	Armenia	40.143019	45.185632	Asia	Western Asia
LTU	Lithuania	55.294758	23.833139	Europe	Northern Europe
BLZ	Belize	17.299323	-88.550048	Americas	Central America
NZL	New Zealand	-44.818879	169.429133	Oceania	Australia and New Zealand
LIE	Liechtenstein	47.147629	9.547895	Europe	Western Europe
ARE	Emirates	24.154436	54.363366	Asia	Western Asia
BFA	Burkina Faso	12.146713	-1.747007	Africa	Western Africa
CYM	Cayman Islands	19.307918	-81.251874	Americas	Caribbean
COK	Cook Islands	-20.185403	-159.250086	Oceania	Polynesia
KHM	Cambodia	12.637796	105.047609	Asia	South-Eastern Asia
PRY	Paraguay	-23.520255	-58.175581	Americas	South America
SEN	Senegal	13.848381	-14.866348	Africa	Western Africa
MDA	Moldova	47.089793	28.503436	Europe	Eastern Europe
COG	Congo	-0.924188	14.768154	Africa	Middle Africa
SVN	Slovenia	46.131639	14.872133	Europe	Southern Europe
MKD	Macedonia	41.589333	21.697598	Europe	Southern Europe
SYC	Seychelles	-7.291142	50.434704	Africa	Eastern Africa
BRB	Barbados	13.184835	-59.561554	Americas	Caribbean
JAM	Jamaica	18.126146	-77.290223	Americas	Caribbean
CRI	Costa Rica	9.746003	-84.100237	Americas	Central America
NRU	Nauru	-0.528315	166.923192	Oceania	Micronesia
CYP	Cyprus	35.145334	33.440153	Asia	Western Asia
ATG	Antigua & Barbuda	17.326884	-61.79147	Americas	Caribbean
TUN	Tunisia	34.219543	9.819744	Africa	Northern Africa
LVA	Latvia	56.851106	24.580203	Europe	Northern Europe
MAC	Macao SAR	22.179248	113.552192	Asia	Eastern Asia
CPV	Cape Verde	16.067023	-23.958685	Africa	Western Africa
LUX	Luxembourg	49.768616	6.098623	Europe	Western Europe
BGR	Bulgaria	42.808479	25.268387	Europe	Eastern Europe
CHE	Switzerland	46.757811	8.328122	Europe	Western Europe
SLV	El Salvador	13.726028	-88.822732	Americas	Central America
DMA	Dominica	15.426026	-61.359058	Americas	Caribbean
*TB	Tibetans	32	90	Asia	Southern Asia
COM	Comoros	-11.98023	43.784626	Africa	Eastern Africa
KOR	South Korea	35.861497	127.355541	Asia	Eastern Asia
TUR	Turkey	39.136216	33.36457	Asia	Western Asia
EST	Estonia	58.663435	24.607346	Europe	Northern Europe
MTQ	Martinique	14.641797	-61.013505	Americas	Caribbean
NOR	Norway	61.518479	9.50363	Europe	Northern Europe
DNK	Denmark	55.890028	10.392256	Europe	Northern Europe
RWA	Rwanda	-2.032464	29.893166	Africa	Eastern Africa
AZE	Azerbaijan	40.217768	47.780519	Asia	Western Asia
KWT	Kuwait	29.356321	47.687397	Asia	Western Asia
VNM	Viet Nam	12.344649	108.343625	Asia	South-Eastern Asia
BEL	Belgium	50.653901	4.625375	Europe	Western Europe
MRT	Mauritania	20.452525	-10.808026	Africa	Western Africa
ERI	Eritrea	14.971691	39.582445	Africa	Eastern Africa
CAN	Canada	58.622302	-102.046052	Americas	Northern America
MEX	Mexico	24.127293	-103.578389	Americas	Central America
SRB	Serbia	44.092352	20.720026	Europe	Southern Europe
GHA	Ghana	7.824267	-1.081164	Africa	Western Africa
SOM	Somalia	6.402382	45.804496	Africa	Eastern Africa
SVK	Slovakia	48.724856	19.669794	Europe	Eastern Europe
ARG	Argentina	-34.069346	-64.554019	Americas	South America
*VA	Various	NaN	NaN	Other	Various
TCD	Chad	14.949141	18.460461	Africa	Middle Africa
BEN	Benin	9.398571	2.331568	Africa	Western Africa
MWI	Malawi	-13.116067	34.265306	Africa	Eastern Africa
SWZ	Swaziland	-26.574906	31.520087	Africa	Southern Africa
CMR	Cameroon	6.626626	13.030155	Africa	Middle Africa
HUN	Hungary	47.260378	19.359526	Europe	Eastern Europe
LKA	Sri Lanka	8.173787	80.549014	Asia	Southern Asia
LBY	Libya	27.224538	18.02617	Africa	Northern Africa
GUY	Guyana	4.847704	-58.932876	Americas	South America
TON	Tonga	-20.313602	-174.796027	Oceania	Polynesia
BRN	Brunei	4.581283	114.819152	Asia	South-Eastern Asia
TKM	Turkmenistan	39.191547	58.766406	Asia	Central Asia
UKR	Ukraine	48.074673	31.752265	Europe	Eastern Europe
GUF	French Guiana	3.838813	-53.252645	Americas	South America
BHR	Bahrain	25.980963	50.601739	Asia	Western Asia
GRC	Greece	38.481022	23.758809	Europe	Southern Europe
CZE	Czech Rep.	49.811836	15.49225	Europe	Eastern Europe
COL	Colombia	4.25306	-72.868391	Americas	South America
IRL	Ireland	53.332306	-8.629055	Europe	Northern Europe
DJI	Djibouti	11.73873	42.638766	Africa	Eastern Africa
BOL	Bolivia	-16.733626	-64.475512	Americas	South America
MYS	Malaysia	3.948639	110.52886	Asia	South-Eastern Asia
GIN	Guinea	10.273416	-11.031226	Africa	Western Africa
SMR	San Marino	43.947449	12.460984	Europe	Southern Europe
PLW	Palau	7.506065	134.568944	Oceania	Micronesia
NER	Niger	16.750195	8.214956	Africa	Western Africa
STP	Sao Tome	0.650952	6.848193	Africa	Middle Africa
URY	Uruguay	-32.721374	-56.024798	Americas	South America
IDN	Indonesia	-2.974959	119.267292	Asia	South-Eastern Asia
MOZ	Mozambique	-17.646889	35.189844	Africa	Eastern Africa
NAM	Namibia	-21.547573	18.124303	Africa	Southern Africa
LAO	Laos	19.540096	102.491139	Asia	South-Eastern Asia
PNG	Papua New Guinea	-6.664343	148.160159	Oceania	Melanesia
GNB	Guinea-Bissau	11.837281	-15.316298	Africa	Western Africa
AUT	Austria	47.559579	13.460688	Europe	Western Europe
ECU	Ecuador	-1.147179	-78.247751	Americas	South America
CAF	Central Afr. Rep.	6.342249	20.686201	Africa	Middle Africa
BHS	Bahamas	24.367406	-76.261706	Americas	Caribbean
PRK	North Korea	40.076414	127.206462	Asia	Eastern Asia
GNQ	Equatorial Guinea	1.98389	10.036472	Africa	Middle Africa
TCA	Turks	21.792145	-71.733806	Americas	Caribbean
GEO	Georgia	42.238473	43.427589	Asia	Western Asia
MMR	Myanmar	21.395854	96.297484	Asia	South-Eastern Asia
CIV	Côte d'Ivoire	7.369096	-5.551019	Africa	Western Africa
CHL	Chile	-37.616333	-72.198999	Americas	South America
QAT	Qatar	25.306142	51.178845	Asia	Western Asia
JOR	Jordan	31.384543	36.995909	Asia	Western Asia
BIH	Bosnia & Herz.	44.133901	17.883773	Europe	Southern Europe
PER	Peru	-9.667213	-75.326728	Americas	South America
PRT	Portugal	39.638365	-7.970937	Europe	Southern Europe
ESP	Spain	38.632397	-5.0852	Europe	Southern Europe
CUB	Cuba	21.721155	-79.477337	Americas	Caribbean
GTM	Guatemala	15.852383	-90.272178	Americas	Central America
PAN	Panama	8.458999	-80.108938	Americas	Central America
USA	United States	40.252636	-100.999161	Americas	Northern America
AUS	Australia	-25.457025	135.343151	Oceania	Australia and New Zealand
LBR	Liberia	6.515548	-9.225161	Africa	Western Africa
KAZ	Kazakhstan	48.286181	66.197373	Asia	Central Asia
NIC	Nicaragua	12.905887	-84.953159	Americas	Central America
ITA	Italy	42.051185	12.461401	Europe	Southern Europe
ISL	Iceland	65.232709	-19.976364	Europe	Northern Europe
ETH	Ethiopia	8.842762	39.863899	Africa	Eastern Africa
HND	Honduras	14.845997	-86.188591	Americas	Central America
COD	Congo, Dem.Rep.	-4.015587	23.376716	Africa	Middle Africa
NGA	Nigeria	8.976808	7.987788	Africa	Western Africa
GRD	Grenada	12.109965	-61.683315	Americas	Caribbean
SDN	Sudan	13.197363	30.439371	Africa	Northern Africa
PHL	Philippines	11.244724	122.731179	Asia	South-Eastern Asia
DEU	Germany	51.77387	10.574742	Europe	Western Europe
EGY	Egypt	27.185703	30.479459	Africa	Northern Africa
MDG	Madagascar	-18.054455	47.108621	Africa	Eastern Africa
RUS	Russia	62.844319	90.124708	Europe	Eastern Europe