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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