La toute première étape d'un système de visualisation dynamique (temporelle) de réseaux.
Created
May 6, 2015 10:12
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Network Transition v.0.0.1
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>Network transition</title> | |
| <script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script> | |
| <style type="text/css"> | |
| /* No style rules here yet */ | |
| </style> | |
| </head> | |
| <body> | |
| <script type="text/javascript"> | |
| //Width and height | |
| var w = 500; | |
| var h = 300; | |
| //Original data | |
| var dataset = { | |
| nodes: [ | |
| { name: "Adam", x: 300, y: 200, fixed: true, step: [ true, false]}, | |
| { name: "Bob" , x: 325, y: 140, fixed: true, step: [ true, false]}, | |
| { name: "Carrie" , x: 265, y: 150, fixed: true, step: [ true, false]}, | |
| { name: "Donovan", x: 325, y: 250, fixed: true, step: [ true, true]}, | |
| { name: "Edward" , x: 265, y: 250, fixed: true, step: [ true, true]}, | |
| { name: "Felicity", x: 280, y: 100, fixed: true, step: [false, false]}, | |
| { name: "George" , x: 130, y: 145, fixed: true, step: [false, true]}, | |
| { name: "Hannah" , x: 165, y: 95, fixed: true, step: [false, true]}, | |
| { name: "Iris" , x: 225, y: 80, fixed: true, step: [false, true]}, | |
| { name: "Jerry" , x: 265, y: 45, fixed: true, step: [ true, true]} | |
| ], | |
| edges: [ | |
| { source: 0, target: 1 }, | |
| { source: 0, target: 2 }, | |
| { source: 0, target: 3 }, | |
| { source: 0, target: 4 }, | |
| { source: 1, target: 5 }, | |
| { source: 2, target: 5 }, | |
| { source: 2, target: 5 }, | |
| { source: 3, target: 4 }, | |
| { source: 5, target: 8 }, | |
| { source: 5, target: 9 }, | |
| { source: 6, target: 7 }, | |
| { source: 7, target: 8 }, | |
| { source: 8, target: 9 } | |
| ] | |
| }; | |
| // //Initialize a default force layout, using the nodes and edges in dataset | |
| var force = d3.layout.force() | |
| .nodes(dataset.nodes) | |
| .links(dataset.edges) | |
| .size([w, h]) | |
| .linkDistance([50]) | |
| .charge([-300]) | |
| .start(); | |
| //Every time the simulation "ticks", this will be called | |
| force.on("tick", function() { | |
| edges.attr("x1", function(d) { return d.source.x; }) | |
| .attr("y1", function(d) { return d.source.y; }) | |
| .attr("x2", function(d) { return d.target.x; }) | |
| .attr("y2", function(d) { return d.target.y; }); | |
| nodes.attr("cx", function(d) { return d.x; }) | |
| .attr("cy", function(d) { return d.y; }); | |
| }); | |
| var colors = d3.scale.category10(); | |
| //Create SVG element | |
| var svg = d3.select("body") | |
| .append("svg") | |
| .attr("width", w) | |
| .attr("height", h); | |
| //Create edges as lines | |
| var edges = svg.selectAll("line") | |
| .data(dataset.edges) | |
| .enter() | |
| .append("line") | |
| .style("stroke", "#ccc") | |
| .style("stroke-width", 1); | |
| //Create nodes as circles | |
| var nodes = svg.selectAll("circle") | |
| .data(dataset.nodes) | |
| .enter() | |
| .append("circle") | |
| .attr("r", 10) | |
| .style("fill", function(d) { | |
| if (d.step[0]) {return "#1f77b4";} else {return "#ff7f0e";} | |
| }) | |
| .on("click", function() { | |
| trans(); | |
| }); | |
| //Coulour transition | |
| var trans = function() { | |
| svg.selectAll("circle") | |
| .transition() | |
| .duration(1000) | |
| .style("fill", function(d) { | |
| if (d.step[1]) {return "#1f77b4";} else {return "#ff7f0e";} | |
| } | |
| ); | |
| } | |
| </script> | |
| </body> | |
| </html> |
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