| author | Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr> |
| Fri, 18 Apr 2014 14:31:58 +0200 | |
| changeset 51 | 79833eaa394a |
| parent 47 | c0b4a8b5a012 |
| permissions | -rw-r--r-- |
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add toolkit.html + démonstrateurs
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<!DOCTYPE html> |
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<html> |
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<head> |
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<meta http-equiv="Content-Type" content="text/html;charset=utf-8"/> |
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<title>Brush</title> |
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<script type="text/javascript" src="../../d3.js"></script> |
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<style type="text/css"> |
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svg { |
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font: 10px sans-serif; |
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} |
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circle { |
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14 |
-webkit-transition: fill-opacity 250ms linear; |
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} |
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.selecting circle { |
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fill-opacity: .2; |
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} |
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.selecting circle.selected { |
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stroke: #f00; |
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} |
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.axis path, .axis line { |
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fill: none; |
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stroke: #000; |
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shape-rendering: crispEdges; |
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} |
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.brush .extent { |
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stroke: #fff; |
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fill-opacity: .125; |
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shape-rendering: crispEdges; |
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} |
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</style> |
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38 |
</head> |
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<body> |
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<script type="text/javascript"> |
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var random = d3.random.normal(.5, .1), |
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data = d3.range(800).map(function() { return [random(), random()]; }); |
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44 |
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var m = [10, 10, 20, 40], |
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w = 960 - m[1] - m[3], |
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h = 500 - m[0] - m[2]; |
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var x = d3.scale.linear().range([0, w]), |
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y = d3.scale.linear().range([h, 0]); |
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51 |
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var svg = d3.select("body").append("svg:svg") |
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.attr("width", w + m[1] + m[3]) |
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.attr("height", h + m[0] + m[2]) |
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.append("svg:g") |
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.attr("transform", "translate(" + m[3] + "," + m[0] + ")"); |
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svg.append("svg:g") |
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.attr("class", "x axis") |
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.attr("transform", "translate(0," + h + ")") |
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.call(d3.svg.axis().scale(x).orient("bottom")); |
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svg.append("svg:g") |
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.attr("class", "y axis") |
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.call(d3.svg.axis().scale(y).orient("left")); |
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66 |
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var circle = svg.selectAll("circle") |
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.data(data) |
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.enter().append("svg:circle") |
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.attr("transform", function(d) { return "translate(" + x(d[0]) + "," + y(d[1]) + ")"; }) |
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.attr("r", 3.5); |
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72 |
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svg.append("svg:g") |
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.attr("class", "brush") |
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.call(d3.svg.brush().x(x).y(y) |
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.on("brushstart", brushstart) |
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.on("brush", brush) |
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.on("brushend", brushend)); |
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function brushstart() { |
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svg.classed("selecting", true); |
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} |
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83 |
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function brush() { |
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var e = d3.event.target.extent(); |
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circle.classed("selected", function(d) { |
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return e[0][0] <= d[0] && d[0] < e[1][0] |
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&& e[0][1] <= d[1] && d[1] < e[1][1]; |
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89 |
}); |
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90 |
} |
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91 |
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function brushend() { |
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svg.classed("selecting", !d3.event.target.empty()); |
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94 |
} |
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95 |
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96 |
</script> |
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97 |
</body> |
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98 |
</html> |