Created
January 26, 2014 16:30
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<!DOCTYPE html> | |
<body> | |
<script src='http://d3js.org/d3.v3.js'></script> | |
<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> | |
<script> | |
var color = d3.scale.threshold() | |
.domain([50, 150, 350, 750, 1500]) | |
.range(colorbrewer['Reds'][6]); | |
var width=960, height=500; | |
var svg = d3.select('body').append('svg') | |
.attr('width', width) | |
.attr('height', height); | |
var divcounter = d3.select('body').append('div') | |
.attr('class', 'counter'); | |
var projection = d3.geo.albers() | |
.rotate([-105, 0]) | |
.center([-10, 65]) | |
.parallels([52, 64]) | |
.scale(700) | |
.translate([width/2, height/2]); | |
var div = d3.select("body").append("div") | |
.attr("class", "tooltip") | |
.style("opacity", 0); | |
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 ={}, titles={}; | |
data.forEach(function(d){ | |
rateById[d.RegionCode] = +d.Deaths; | |
titles[d.RegionCode] = d.RegionName; | |
}); | |
var path = d3.geo.path().projection(projection); | |
svg.selectAll('path') | |
.data(topojson.feature(map, map.objects.russia).features) | |
.enter() | |
.append('path') | |
.attr('d', path) | |
.style('fill', function(d){ | |
return color(rateById[d.properties.region])}) | |
.on('click', function(d){ | |
s = d3.select(this).style('stroke-width'); | |
d3.select(this).style('stroke-width', s == '1px'?'0px':'1px'); | |
if (d3.select(this).style('stroke-width') == '0px') | |
{divcounter.text(Number(divcounter.text())-rateById[d.properties.region])} | |
else {divcounter.text( Number(divcounter.text())+rateById[d.properties.region])} | |
if (Number(divcounter.text())==0) {d3.select('div.counter').style('opacity', 0)} | |
else {d3.select('div.counter').style('opacity', 1)} | |
}) | |
.on('mouseover', function(d){ | |
var title = titles[d.properties.region]; | |
div.transition() | |
.duration(200) | |
.style("opacity", .9); | |
div.html('<b>'+title+'</b><br>'+rateById[d.properties.region]) | |
.style("left", (d3.event.pageX) + "px") | |
.style("top", (d3.event.pageY) + "px"); | |
}) | |
.on('mouseout', function(d){ | |
div.transition() | |
.duration(200) | |
.style("opacity", 0); | |
}) | |
var city = svg.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', 1.5) | |
.style('fill', 'white'); | |
city.append('text').attr('class', 'cityName'); | |
city.selectAll('text') | |
.text(function (d) { return d.City }); | |
} | |
</script> | |
<style> | |
div.tooltip { | |
position: absolute; | |
text-align: center; | |
width: 120px; | |
padding: 2px; | |
font: 8pt sans-serif; | |
background: orange; | |
border: 1px solid white; | |
border-radius: 8px; | |
pointer-events: none; | |
color: white; | |
} | |
.counter{ | |
position: absolute; | |
left: 130px; | |
top: 320px; | |
text-align: left; | |
width: 120px; | |
padding: 2px; | |
font: 16pt sans-serif; | |
color: black; | |
height: 20px; | |
} | |
path { | |
stroke: steelBlue; | |
stroke-width: 0px; | |
} | |
text.cityName { | |
font: 6pt sans-serif; | |
color: white; | |
} | |
</style> | |
</body> | |
</html> |
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