Created
June 28, 2012 17:10
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Geographic d3.js bubbles
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{"type":"FeatureCollection","features":[{"type":"Feature","id":1,"properties":{"name":"Conservatoire Botanique National du Bassin Parisien (CBNBP)","city":"Paris","num_collections":1,"url":null},"geometry":{"type":"Point","coordinates":[2.34,48.86]}},{"type":"Feature","id":2,"properties":{"name":"Service du Patrimoine Naturel","city":"Paris","num_collections":1,"url":null},"geometry":{"type":"Point","coordinates":[2.34,48.86]}},{"type":"Feature","id":3,"properties":{"name":"Mus\u00e9um National d'Histoire Naturelle (MNHN)","city":"Paris","num_collections":8,"url":null},"geometry":{"type":"Point","coordinates":[2.34,48.86]}},{"type":"Feature","id":11,"properties":{"name":"Centre de Ressources Biologiques de l'institut Pasteur (CRBIP)","city":"Paris","num_collections":1,"url":null},"geometry":{"type":"Point","coordinates":[2.34,48.86]}},{"type":"Feature","id":15,"properties":{"name":"Universit\u00e9 Pierre et Marie Curie (UPMC)","city":"Paris","num_collections":1,"url":null},"geometry":{"type":"Point","coordinates":[2.34,48.86]}},{"type":"Feature","id":16,"properties":{"name":"Institut Fran\u00e7ais de Recherche pour l'Exploitation de la Mer (IFREMER)","city":"Paris","num_collections":1,"url":null},"geometry":{"type":"Point","coordinates":[2.34,48.86]}},{"type":"Feature","id":4,"properties":{"name":"Tela Botanica","city":"Montpellier","num_collections":2,"url":null},"geometry":{"type":"Point","coordinates":[3.88,43.61]}},{"type":"Feature","id":14,"properties":{"name":"Mus\u00e9um d'Histoire Naturelle de Nice","city":"Nice","num_collections":1,"url":null},"geometry":{"type":"Point","coordinates":[7.28,43.7]}},{"type":"Feature","id":5,"properties":{"name":"Mus\u00e9e Zoologique de Strasbourg","city":"Strasbourg","num_collections":3,"url":null},"geometry":{"type":"Point","coordinates":[7.74,48.59]}},{"type":"Feature","id":8,"properties":{"name":"Universit\u00e9 de Strasbourg","city":"Strasbourg","num_collections":3,"url":null},"geometry":{"type":"Point","coordinates":[7.74,48.59]}},{"type":"Feature","id":13,"properties":{"name":"Microbial Observatory of the Laboratoire Arago","city":"Banyuls","num_collections":1,"url":null},"geometry":{"type":"Point","coordinates":[3.13,42.48]}},{"type":"Feature","id":6,"properties":{"name":"Mus\u00e9um d'Histoire Naturelle de Bourges","city":"Bourges","num_collections":1,"url":null},"geometry":{"type":"Point","coordinates":[2.39,47.08]}},{"type":"Feature","id":9,"properties":{"name":"Conservatoire Botanique de Franche-Comt\u00e9","city":"Besan\u00e7on","num_collections":1,"url":null},"geometry":{"type":"Point","coordinates":[6.03,47.24]}},{"type":"Feature","id":10,"properties":{"name":"Museum Henri-Lecoq de Clermont-Ferrand","city":"Clermont-Ferrand","num_collections":1,"url":null},"geometry":{"type":"Point","coordinates":[3.08,45.78]}},{"type":"Feature","id":12,"properties":{"name":"Atlas des plantes vasculaires de Lorraine (Floraine)","city":"Villers-les-Nancy","num_collections":1,"url":null},"geometry":{"type":"Point","coordinates":[6.15,48.67]}},{"type":"Feature","id":7,"properties":{"name":"Institut national de la recherche agronomique (INRA)","city":"Lusignan","num_collections":4,"url":null},"geometry":{"type":"Point","coordinates":[0.12,46.44]}},{"type":"Feature","id":17,"properties":{"name":"Centre INRA Poitou-Charentes","city":"Lusignan","num_collections":4,"url":null},"geometry":{"type":"Point","coordinates":[0.12,46.44]}}]} |
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<html> | |
<head> | |
<meta http-equiv="Content-Type" content="text/html;charset=utf-8"> | |
<title>France bubbling</title> | |
<script type="text/javascript" src="http://mbostock.github.com/d3/d3.js?2.7.4"></script> | |
<style type="text/css"> | |
svg { | |
width: 900px; | |
height: 500px; | |
border: solid 1px #ccc; | |
background: #eee; | |
} | |
line { | |
stroke: brown; | |
stroke-dasharray: 4,2; | |
} | |
path { | |
fill: #ccc; | |
stroke: #fff; | |
} | |
div { | |
width: 900px; | |
} | |
</style> | |
</head> | |
<body> | |
<h3>Mercator Projection</h3> | |
<script type="text/javascript"> | |
width= 900; | |
height= 500; | |
//focusing france on SVG | |
xy=d3.geo.mercator().translate([453,1872]).scale(11000) | |
path=d3.geo.path().projection(xy); | |
var svg = d3.select("body") | |
.append("svg") | |
.append("g") | |
.attr("id", "polygons"); | |
d3.json('regions.json', function(collection) { | |
//console.warn(collection.features) | |
d3.select("#polygons") | |
.selectAll("path") | |
.data(collection.features) | |
.enter().append("path") | |
.attr("d", d3.geo.path().projection(xy)); | |
}); | |
d3.json('datapublishers.json', function(data) { | |
var force = d3.layout.force() | |
// .gravity(0) | |
.charge(-0.7) | |
.nodes(data.features) | |
.size([0, 0]) | |
.start(); | |
var to_bubble=[] | |
//this function could be used to filter circles by city parameter | |
filter_by_city =function (city) | |
{ | |
data.features.forEach(function(data) { | |
if (data.properties.city==city) | |
{ | |
to_bubble.push(data) | |
} | |
}) | |
return to_bubble; | |
} | |
var node = d3.select("svg").selectAll("g") | |
.data(data.features) //filter_by_city('Paris') could be used here, assigning later a more negative charge but its not the ideal solution at all | |
.enter().append("g") | |
.attr("id", function(d){ return d.properties.city;}) | |
node.append("circle") | |
.attr("transform", function(d) { | |
return "translate(" + xy(d.geometry.coordinates) + ")"; }) | |
.attr("id", function(d){ return d.id;}) | |
.attr("class", "node") | |
.attr('fill','blue') | |
.attr('opacity',0.5) | |
.attr('r', function(d) { | |
return d.properties.num_collections*5}) | |
.call(force.drag); | |
force.on("tick", function() { | |
node.attr( | |
"transform", | |
function(d) { return "translate(" + d.x + "," + d.y + ")"; } | |
); | |
}); | |
}); | |
</script> | |
</body> | |
</html> |
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