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January 26, 2014 15:40
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<!DOCTYPE html> | |
<html> | |
<head> | |
<meta http-equiv="content-type" content="text/html; charset=UTF-8"> | |
<title> - jsFiddle demo by kclosu</title> | |
<script type='text/javascript' src='http://d3js.org/d3.v3.min.js'></script> | |
<link rel="stylesheet" type="text/css" href="/css/result-light.css"> | |
<style type='text/css'> | |
path { | |
stroke: white; | |
stroke-width: .2px; | |
} | |
path:hover { | |
fill: brown; | |
fill-opacity: .5; | |
} | |
.switcher { | |
width: 200px; | |
height: 30px; | |
background: white; | |
border-radius: 3px; | |
cursor: pointer; | |
border: 1px solid steelblue; | |
} | |
.city text { | |
opacity: .7; | |
fill: white; | |
font: 11px sans-serif; | |
} | |
</style> | |
<script type='text/javascript'>//<![CDATA[ | |
window.onload=function(){ | |
var color = d3.scale.threshold() | |
.domain([50, 150, 350, 750, 1500]) | |
.range(['#EFE966','#AFC85F','#78A659','#4C8250','#295E43','#113C31']) | |
var margin = { top: 10, right: 10, bottom: 30, left: 30 }; | |
var width = 960; | |
var height = 500; | |
var fullwidth = width + margin.left + margin.right; | |
var fullheight = height + margin.top + margin.bottom; | |
var criteria = ['CarAccidents', 'Deaths']; | |
var projection = d3.geo.albers() | |
.rotate([-105, 0]) | |
.center([-10, 65]) | |
.parallels([52, 64]) | |
.scale(700) | |
.translate([width/2, height/2]); | |
queue() | |
.defer(d3.json, '//nemetz.devg.ru/d3/russia_1e-7sr.json') | |
.defer(d3.csv, '//nemetz.devg.ru/d3/Accidents.csv') | |
.defer(d3.tsv, 'http://nemetz.devg.ru/d3/cities.tsv') | |
.await(ready) | |
function ready(error, map, data, cities){ | |
var rateById = {}; | |
data.forEach(function(d){ | |
rateById[d.RegionCode] = d; | |
}); | |
var path = d3.geo.path().projection(projection); | |
function fillfn(d){ return color(+rateById[d.properties.region][criteria[switcher.data()[0]]]);} | |
var switcher = d3.select('body') | |
.append('button') | |
.data([1]) | |
.classed('switcher', true) | |
.html(function(d){ return 'Перейти к количеству ' + ['аварий', 'смертей'][+!d]; } ) | |
.on('click', function(){ | |
var self = d3.select(this); | |
self.data([+!self.data()[0]]); | |
self.html(function(d){ return 'Перейти к количеству ' + ['аварий', 'смертей'][+!d];} ) | |
d3.selectAll('.mapobject') | |
.transition() | |
.duration(1200) | |
.style('fill', fillfn); | |
}); | |
var svg = d3.select('body').append('svg') | |
.attr('width', fullwidth) | |
.attr('height', fullheight) | |
var mapel = svg.append('g') | |
.attr('width', width) | |
.attr('height', height) | |
.attr('transform','translate(' + margin.left + ',' + margin.top +')'); | |
mapel.selectAll('path') | |
.data(topojson.feature(map, map.objects.russia).features) | |
.enter().append('path') | |
.attr('d', path) | |
.classed('mapobject', true) | |
.style('fill', fillfn) | |
var city = mapel.selectAll('g.city') | |
.data(cities) | |
.enter() | |
.append('g') | |
.attr('class', 'city') | |
.attr('transform', function (d) { return 'translate(' + projection([d.lon, d.lat]) + ')' }); | |
city.append('circle') | |
.attr('r', 2) | |
.style('fill', 'white'); | |
city.append('text'); | |
city.selectAll('text') | |
.attr('y', 2) | |
.attr('x', 5) | |
.text(function (d) { return d.City }); | |
} | |
}//]]> | |
</script> | |
</head> | |
<body> | |
<script src="http://d3js.org/topojson.v1.js"></script> | |
<script src="http://d3js.org/queue.v1.js"></script> | |
<script src="http://d3js.org/colorbrewer.v1.js"></script> | |
</body> | |
</html> |
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