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Last change
on this file since 249 was
249,
checked in by hendrikvanantwerpen, 13 years ago
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This one's for Subversion, because it's so close...
First widget (stripped down sequencer).
Seperated client and server code in two direcotry trees.
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File size:
1.4 KB
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| 1 | <!DOCTYPE html> |
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| 2 | <html> |
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| 3 | <head> |
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| 4 | <meta http-equiv="Content-Type" content="text/html;charset=utf-8"> |
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| 5 | <title>Convex Hull</title> |
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| 6 | <script type="text/javascript" src="../../d3.js"></script> |
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| 7 | <script type="text/javascript" src="../../d3.geom.js"></script> |
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| 8 | <style type="text/css"> |
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| 9 | |
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| 10 | svg { |
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| 11 | border: solid 1px #aaa; |
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| 12 | background: #eee; |
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| 13 | } |
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| 14 | |
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| 15 | path { |
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| 16 | fill: lightsteelblue; |
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| 17 | stroke: #000; |
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| 18 | } |
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| 19 | |
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| 20 | circle { |
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| 21 | fill: #fff; |
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| 22 | stroke: #000; |
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| 23 | } |
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| 24 | |
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| 25 | </style> |
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| 26 | </head> |
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| 27 | <body> |
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| 28 | <script type="text/javascript"> |
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| 29 | |
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| 30 | var w = 960, |
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| 31 | h = 500; |
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| 32 | |
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| 33 | var vertices = d3.range(15).map(function(d) { |
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| 34 | return [ |
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| 35 | w / 4 + Math.random() * w / 2, |
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| 36 | h / 4 + Math.random() * h / 2 |
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| 37 | ]; |
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| 38 | }); |
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| 39 | |
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| 40 | var svg = d3.select("body") |
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| 41 | .append("svg:svg") |
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| 42 | .attr("width", w) |
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| 43 | .attr("height", h) |
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| 44 | .attr("pointer-events", "all") |
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| 45 | .on("mousemove", move) |
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| 46 | .on("click", click); |
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| 47 | |
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| 48 | update(); |
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| 49 | |
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| 50 | function update() { |
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| 51 | svg.selectAll("path") |
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| 52 | .data([d3.geom.hull(vertices)]) |
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| 53 | .attr("d", function(d) { return "M" + d.join("L") + "Z"; }) |
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| 54 | .enter().append("svg:path") |
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| 55 | .attr("d", function(d) { return "M" + d.join("L") + "Z"; }); |
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| 56 | |
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| 57 | svg.selectAll("circle") |
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| 58 | .data(vertices.slice(1)) |
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| 59 | .enter().append("svg:circle") |
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| 60 | .attr("transform", function(d) { return "translate(" + d + ")"; }) |
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| 61 | .attr("r", 3); |
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| 62 | } |
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| 63 | |
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| 64 | function move() { |
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| 65 | vertices[0] = d3.svg.mouse(this); |
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| 66 | update(); |
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| 67 | } |
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| 68 | |
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| 69 | function click() { |
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| 70 | vertices.push(d3.svg.mouse(this)); |
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| 71 | update(); |
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| 72 | } |
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| 73 | </script> |
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| 74 | </body> |
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| 75 | </html> |
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