Created
June 28, 2012 17:10
Geographic d3.js bubbles
Loading
Sorry, something went wrong. Reload?
Sorry, we cannot display this file.
Sorry, this file is invalid so it cannot be displayed.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <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> |
Loading
Sorry, something went wrong. Reload?
Sorry, we cannot display this file.
Sorry, this file is invalid so it cannot be displayed.
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment