Created
June 23, 2013 16:15
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利用 D3.js 製作 scatter plot
讀取 csv,排序顯示 circles
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country | continent | population | GDPcap | GERD | growth | |
---|---|---|---|---|---|---|
Australia | Oceania | 22319.07 | 40718.78167 | 2.21367 | 2.48590317 | |
Austria | Europe | 8427.318 | 42118.46375 | 2.74826 | 3.10741128 | |
Belgium | Europe | 10590.44 | 38809.66436 | 1.96158 | 1.89308521 | |
Canada | America | 33909.7 | 39069.91407 | 1.80213 | 3.21494841 | |
Chile | America | 17248.45 | 15106.73205 | 0.39451 | 5.19813626 | |
Czech Republic | Europe | 10286.3 | 25956.76492 | 1.52652 | 1.65489834 | |
Denmark | Europe | 5495.246 | 40169.83173 | 3.01937 | 1.04974368 | |
Estonia | Europe | 1335.347 | 22403.02459 | 1.44122 | 7.63563272 | |
Finland | Europe | 5366.482 | 37577.71225 | 3.84137 | 2.85477157 | |
France | Europe | 62747.78 | 34147.98907 | 2.20646 | 1.47996142 | |
Germany | Europe | 82852.47 | 39389.25874 | 2.78056 | 2.99558644 | |
Greece | Europe | 11312.16 | 26878.00015 | 0.5921 | -6.90796403 | |
Hungary | Europe | 9993.116 | 21731.55484 | 1.14821 | 1.69192342 | |
Iceland | Europe | 308.038 | 35641.55402 | 2.64107 | -3.99988322 | |
Ireland | Europe | 4394.382 | 40457.94273 | 1.78988 | -0.42935239 | |
Israel | Asia | 7623.6 | 28595.68799 | 4.2504 | 4.84602001 | |
Italy | Europe | 59059.66 | 32580.06572 | 1.26841 | 0.43108032 | |
Japan | Asia | 126912.8 | 33751.23348 | 3.33499 | 3.96559062 | |
Korea | Asia | 48988.83 | 29101.34563 | 3.3609 | 6.16184325 | |
Luxembourg | Europe | 483.701 | 86226.3276 | 1.67862 | 2.67806902 | |
Mexico | America | 109219.9 | 15200.22119 | 0.41322 | 5.56185685 | |
Netherlands | Europe | 16480.79 | 43455.30129 | 1.81965 | 1.18517739 | |
New Zealand | Oceania | 4291.9 | 29870.67748 | 1.13693 | 2.33052515 | |
Norway | Europe | 4789.628 | 57230.89 | 1.75922 | 1.59773989 | |
Poland | Europe | 37725.21 | 19882.99226 | 0.67502 | 4.34962928 | |
Portugal | Europe | 10684.97 | 25425.59561 | 1.65519 | -1.60958484 | |
Russian Federation | Europe | 142822.5 | 19833 | 1.24252 | 4.03428262 | |
Slovak Republic | Europe | 5404.493 | 24429.61828 | 0.48056 | 3.34920254 | |
Slovenia | Europe | 2029.418 | 27559.75186 | 1.85642 | -0.17459255 | |
South Africa | Africa | 50384.55 | 10497.583 | 0.92523 | 2.784 | |
Spain | Europe | 44835.48 | 32779.3288 | 1.38357 | -0.06947685 | |
Sweden | Europe | 9276.365 | 41526.2995 | 3.61562 | 3.93555895 | |
Switzerland | Europe | 7889.345 | 46621.77334 | 2.99525 | 2.71404473 | |
Turkey | Europe | 73497 | 15666.18783 | 0.84902 | 9.00558548 | |
United Kingdom | Europe | 62761.35 | 35715.4691 | 1.82434 | 2.09209263 | |
United States | America | 313232 | 46587.61843 | 2.78518 | 3.02171711 |
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<!DOCTYPE html> | |
<meta charset="utf-8"> | |
<head><style> | |
body{margin:0px;} | |
.h,.v{stroke:black;stroke-dasharray:4 4;stroke-width:1;stroke-opacity:.5;} | |
.axis path, | |
.axis line { | |
fill: none; | |
stroke: black; | |
shape-rendering: crispEdges; | |
} | |
.axis text { | |
font-family: sans-serif; | |
font-size: 11px; | |
} | |
</style></head> | |
<body> | |
<script src="http://mbostock.github.com/d3/d3.v2.min.js"></script> | |
<script> | |
var width = 500, | |
height = 500, | |
margin = 50; | |
var svg=d3.select("body").append("svg").attr("width",width).attr("height",height); | |
var x=d3.scale.linear().domain([0,5]).range([margin,width-margin]); | |
var y=d3.scale.linear().domain([-10,10]).range([height-margin,margin]); | |
var r=d3.scale.linear().domain([0,500]).range([0,20]); | |
var o=d3.scale.linear().domain([10000,100000]).range([.5,1]); | |
var c=d3.scale.category10().domain(["Africa","America","Asia","Europe","Oceania"]); | |
var xAxis = d3.svg.axis() | |
.scale(x) | |
.orient("bottom"); | |
var yAxis = d3.svg.axis() | |
.scale(y) | |
.orient("left"); | |
svg.append("g") | |
.attr("class", "axis") | |
.attr("transform", "translate(0," + (height - margin) + ")") | |
.call(xAxis); | |
svg.append("g") | |
.attr("class", "axis") | |
.attr("transform", "translate(" + margin + ",0)") | |
.call(yAxis); | |
svg.selectAll(".h").data(d3.range(-8,10,2)).enter() | |
.append("line").classed("h",1) | |
.attr("x1",margin).attr("x2",width-margin) | |
.attr("y1",y).attr("y2",y) | |
svg.selectAll(".v").data(d3.range(1,5)).enter() | |
.append("line").classed("v",1) | |
.attr("y1",margin).attr("y2",height-margin) | |
.attr("x1",x).attr("x2",x) | |
d3.csv("data.csv",function(csv) { | |
// we first sort the data | |
csv.sort(function(a,b) {return b.population-a.population;}); | |
// then we create the marks, which we put in an initial position | |
svg.selectAll("circle").data(csv).enter() | |
.append("circle") | |
.attr("cx",function(d) {return x(0);}) | |
.attr("cy",function(d) {return y(0);}) | |
.attr("r",function(d) {return r(0);}) | |
.style("fill",function(d) {return c(d.continent);}) | |
.style("opacity",function(d) {return o(+d.GDPcap);}) | |
.append("title") | |
.text(function(d) {return d.country;}) | |
// now we initiate - moving the marks to their position | |
svg.selectAll("circle").transition().duration(1000) | |
.attr("cx",function(d) {return x(+d.GERD);}) | |
.attr("cy",function(d) {return y(+d.growth);}) | |
.attr("r",function(d) {return r(Math.sqrt(+d.population));}) | |
}) | |
</script> | |
</body> | |
</html> |
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