Created
August 29, 2011 15:47
SVG Patterns
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| SVG Patterns Example |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>Pie Chart</title> | |
| <script type="text/javascript" src="http://mbostock.github.com/d3/d3.js"></script> | |
| <script type="text/javascript" src="http://mbostock.github.com/d3/d3.layout.js"></script> | |
| <style type="text/css"> | |
| body { | |
| font: 10px sans-serif; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <script type="text/javascript"> | |
| var w = 400, | |
| h = 400, | |
| r = Math.min(w, h) / 2, | |
| data = d3.range(10).map(Math.random), | |
| color = d3.scale.category20(), | |
| donut = d3.layout.pie().sort(d3.descending), | |
| arc = d3.svg.arc().innerRadius(r * .6).outerRadius(r); | |
| var vis = d3.select("body") | |
| .append("svg:svg") | |
| .data([data]) | |
| .attr("width", w) | |
| .attr("height", h); | |
| // create the patterns | |
| var defs = vis.append('svg:defs'); | |
| var allpatterns = defs.selectAll("pattern") | |
| .data(color.range()) | |
| .enter().append('svg:pattern') | |
| .attr('id', function(d, i) { return "pattern-" + i; }) | |
| .attr('width', 16) | |
| .attr('height', 16) | |
| .attr('patternUnits', 'userSpaceOnUse'); | |
| allpatterns | |
| .append('svg:rect') | |
| .attr('width', 16) | |
| .attr('height', 16) | |
| .attr('fill', function(d, i) { return color(i); }); | |
| allpatterns | |
| .append('svg:image') | |
| .attr('width', 16) | |
| .attr('height', 16) | |
| .attr('xlink:href', 'somepattern.gif'); | |
| // same as Mike's example | |
| var arcs = vis.selectAll("g.arc") | |
| .data(donut) | |
| .enter().append("svg:g") | |
| .attr("class", "arc") | |
| .attr("transform", "translate(" + r + "," + r + ")"); | |
| arcs.append("svg:path") | |
| .attr("fill", function(d, i) { return "url(#pattern-" + i + ")"; }) | |
| .attr("d", arc); | |
| arcs.append("svg:text") | |
| .attr("transform", function(d) { return "translate(" + arc.centroid(d) + ")"; }) | |
| .attr("dy", ".35em") | |
| .attr("text-anchor", "middle") | |
| .attr("display", function(d) { return d.value > .15 ? null : "none"; }) | |
| .text(function(d, i) { return d.value.toFixed(2); }); | |
| </script> | |
| </body> | |
| </html> |
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