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Last active January 4, 2016 14:09
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<html>
<head>
<script src="http://d3js.org/d3.v3.min.js"></script>
<script src="http://d3js.org/colorbrewer.v1.min.js"></script>
<style>
.axis {
shape-rendering: crispEdges;
stroke-width: 2;
}
.axis text {
font: 10 Helvetica;
}
.x.axis path {
fill: none;
stroke: #000;
}
.y.axis line, .y.axis path {
fill: none;
stroke: #000;
}
</style>
</head>
<body>
<script>
var margin = {top: 20, bottom: 20, left: 40, right: 40}
var width = document.body.clientWidth - margin.left - margin.right;
var height = 400 - margin.top - margin.bottom;
var svg = d3.select('body').append('svg')
.attr('width', width + margin.left + margin.right)
.attr('height', height + margin.top + margin.bottom)
.append('g')
.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
var x = d3.time.scale().range([0, width]);
var y = d3.scale.linear().range([height, 0]);
var xAxis = d3.svg.axis().scale(x).tickSize(-height).ticks(d3.time.weeks)
var yAxis = d3.svg.axis().scale(y).ticks(4).orient('left')
var z = d3.scale.ordinal().range(colorbrewer['Set1'][6]);
var format = d3.time.format('%m/%d/%y');
var area = d3.svg.area()
.x(function (d) {
return x(d.date)
})
.y0(function (d) {
return y(d.y0)
})
.y1(function (d) {
return y(d.y0 + d.y)
})
.interpolate('cardinal')
var prepareData = function (data) {
data.forEach(function (d) {
d.date = format.parse(d.date)
d.value = +d.value
})
var nest = d3.nest().key(function (d) {
return d.key
})
var stack = d3.layout.stack()
.values(function (d) {
return d.values
})
.x(function (d) {
return d.date
})
.y(function (d) {
return d.value
})
return stack(nest.entries(data))
}
var stack = d3.csv('//nemetz.devg.ru/d3/stream.csv', function (data) {
d = prepareData(data)
x.domain(d3.extent(data, function (d) {
return d.date
}))
y.domain([0, d3.max(data, function (d) {
return d.y0 + d.y
})])
svg.selectAll('.layer').data(d).enter().append('path').attr('opacity', 1)
.on('mouseover', function(d, i){
svg.selectAll('.layer').attr('stroke', function(d, j) {
return i != j ? '' : d3.rgb(z(i)).darker(0.5);
}).transition().duration(250)
.attr('opacity', function(d, j) {
return i != j ? 0.4 : 1
})
})
.on('mouseout', function(d){
svg.selectAll('.layer').attr('stroke', '').transition().duration(250).attr('opacity', 1)
})
.attr('class', 'layer').attr('d', function (d) {
return area(d.values)
}).style('fill', function (d, i) {
return z(i)
})
svg.append('g').attr('class', 'x axis').attr('transform', 'translate(0,' + height + ')').call(xAxis)
svg.append('g').attr('class', 'y axis').call(yAxis)
})
</script>
</body>
</html>
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