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January 4, 2016 14:09
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Training stream graph
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <style> | |
| .axis line { | |
| fill: none; | |
| stroke: black; | |
| shape-rendering: crispEdges; | |
| stroke-width: 1.1; | |
| opacity: .2 | |
| } | |
| .x.axis path { | |
| opacity: 0 | |
| } | |
| .y.axis path { | |
| opacity: 0 | |
| } | |
| .x.axis text { | |
| opacity: 0 | |
| } | |
| .y.axis text { | |
| font-family: Georgia; | |
| font-size: 14px; | |
| opacity: .7 | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script> | |
| <script> | |
| var width = 800, | |
| height = 500; | |
| var svg = d3.select('body').append('svg'); | |
| var x = d3.time.scale().range([0, width]), | |
| y = d3.scale.linear().range([height-10, 0]), | |
| z = d3.scale.category10() //ordinal().range(colorbrewer['Blues'][6]); | |
| var format = d3.time.format('%m/%d/%y'); | |
| function prepareData(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().offset('silhouette') | |
| .values(function (d) { return d.values }) | |
| .x(function (d) { return d.date }) | |
| .y(function (d) { return d.value }); | |
| return stack(nest.entries(data)); | |
| } | |
| d3.csv('//nemetz.devg.ru/d3/stream.csv', function (data) { | |
| var layers = 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 })]); | |
| var area = d3.svg.area() | |
| .interpolate('monotone') | |
| .x(function (d) { return x(d.date) }) | |
| .y0(function (d) { return y(d.y0) }) | |
| .y1(function (d) { return y(d.y0 + d.y) }); | |
| svg.selectAll('.layer') | |
| .data(layers) | |
| .enter() | |
| .append('path') | |
| .attr('class', 'layer') | |
| .attr('d', function (d) { return area(d.values) }) | |
| .attr('stroke', 'white') | |
| .attr('fill', function (d, i) { return z(i) }) | |
| .attr('opacity', .75); | |
| var xAxis = d3.svg.axis() | |
| .scale(x) | |
| .orient('top') | |
| .tickSize(20) | |
| .ticks(100); | |
| var yAxis = d3.svg.axis() | |
| .scale(y) | |
| .orient('left') | |
| .tickSize(20) | |
| .ticks(10); | |
| svg.append('g') | |
| .attr('class', 'x axis') | |
| .attr('transform', 'translate(60, 260)') | |
| .call(xAxis); | |
| svg.append('g') | |
| .attr('class', 'y axis') | |
| .attr('transform', 'translate(50, 0)') | |
| .call(yAxis); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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