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Force-Directed Symbols (D3)
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>Force-Directed Symbols</title> | |
| <script type="text/javascript" src="http://mbostock.github.com/d3/d3.js?1.25.0"></script> | |
| <script type="text/javascript" src="http://mbostock.github.com/d3/d3.geom.js?1.25.0"></script> | |
| <script type="text/javascript" src="http://mbostock.github.com/d3/d3.layout.js?1.25.0"></script> | |
| </head> | |
| <body> | |
| <script type="text/javascript"> | |
| var w = 960, | |
| h = 500, | |
| nodes = [], | |
| node; | |
| var vis = d3.select("body").append("svg:svg") | |
| .attr("width", w) | |
| .attr("height", h); | |
| createDefs(vis.append('svg:defs')); | |
| var force = d3.layout.force() | |
| .nodes(nodes) | |
| .links([]) | |
| .size([w, h]); | |
| force.on("tick", function(e) { | |
| vis.selectAll("path") | |
| .attr("transform", function(d) { return "translate(" + d.x + "," + d.y + ")"; }); | |
| }); | |
| setInterval(function(){ | |
| // Add a new random shape. | |
| nodes.push({ | |
| type: d3.svg.symbolTypes[~~(Math.random() * d3.svg.symbolTypes.length)], | |
| size: Math.random() * 300 + 100 | |
| }); | |
| // Restart the layout. | |
| force.start(); | |
| vis.selectAll("path") | |
| .data(nodes) | |
| .enter().append("svg:path") | |
| .attr("transform", function(d) { return "translate(" + d.x + "," + d.y + ")"; }) | |
| .attr("d", d3.svg.symbol() | |
| .size(function(d) { return d.size; }) | |
| .type(function(d) { return d.type; })) | |
| .style("fill", "rgb(" + Math.floor(Math.random()*256) + "," + Math.floor(Math.random()*256) + "," + Math.floor(Math.random()*256) + ")") | |
| .style("stroke", "steelblue") | |
| .style("stroke-width", "1.5px") | |
| .attr('filter', 'url(#dropShadow)') | |
| .call(force.drag); | |
| }, 1000); | |
| function createDefs(defs) { | |
| var dropShadowFilter = defs.append('svg:filter') | |
| .attr('id', 'dropShadow') | |
| .attr('filterUnits', "userSpaceOnUse") | |
| .attr('width', '250%') | |
| .attr('height', '250%'); | |
| dropShadowFilter.append('svg:feGaussianBlur') | |
| .attr('in', 'SourceGraphic') | |
| .attr('stdDeviation', 2) | |
| .attr('result', 'blur-out'); | |
| dropShadowFilter.append('svg:feColorMatrix') | |
| .attr('in', 'blur-out') | |
| .attr('type', 'hueRotate') | |
| .attr('values', 180) | |
| .attr('result', 'color-out'); | |
| dropShadowFilter.append('svg:feOffset') | |
| .attr('in', 'color-out') | |
| .attr('dx', 3) | |
| .attr('dy', 3) | |
| .attr('result', 'the-shadow'); | |
| dropShadowFilter.append('svg:feBlend') | |
| .attr('in', 'SourceGraphic') | |
| .attr('in2', 'the-shadow') | |
| .attr('mode', 'normal'); | |
| } | |
| </script> | |
| </body> | |
| </html> |
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