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| <html> | |
| <meta charset="utf-8"> | |
| <head> | |
| <style> | |
| body { font: 10px sans-serif; } | |
| p { font: 12px helvetica; } | |
| .axis path, .axis line { | |
| fill: none; | |
| stroke: #000; | |
| stroke-width: 2px; | |
| shape-rendering: crispEdges; | |
| } | |
| div.tooltip { | |
| position: absolute; | |
| text-align: center; | |
| width: 30px; | |
| height: 18px; | |
| padding: 2px; | |
| font: 12px sans-serif; | |
| background: white; | |
| border: 1px solid #ccc; | |
| border-radius: 3px; | |
| pointer-events: none; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <script src='http://d3js.org/d3.v3.js'></script> | |
| <script src='http://d3js.org/colorbrewer.v1.js'></script> | |
| <script> | |
| var format = d3.time.format('%m/%d/%y'); | |
| var margin = { top: 10, right: 10, bottom: 30, left: 30 }; | |
| var width = 700; | |
| var height = 400; | |
| var fullwidth = width + margin.left + margin.right; | |
| var fullheight = height + margin.top + margin.bottom; | |
| var x = d3.time.scale().range([0, width]); | |
| var y = d3.scale.linear().range([height-10, 0]); | |
| var z = d3.scale.ordinal().range(colorbrewer['BrBG'][6]); | |
| var div = d3.select("body").append("div") | |
| .classed("tooltip", true) | |
| .style("opacity", 0); | |
| function getRusDayOfWeek(d){ | |
| return ['Вс', 'Пн', 'Вт', 'Ср', 'Чт', 'Пт', 'Сб'][d.getDay()]; | |
| } | |
| var xAxis = d3.svg.axis() | |
| .scale(x) | |
| .orient('bottom') | |
| .tickFormat(function(d){ return d.getDate() + ' ' + getRusDayOfWeek(d);}); | |
| var yAxis = d3.svg.axis() | |
| .scale(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('http://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('cardinal') | |
| .x(function(d) { return x(d.date) }) | |
| .y0(function(d) { return y(d.y0) }) | |
| .y1(function(d) { return y(d.y0 + d.y) }); | |
| var svg = d3.select('body').append('svg') | |
| .attr('width', fullwidth) | |
| .attr('height', fullheight) | |
| .append('g') | |
| .attr('width', width) | |
| .attr('height', height) | |
| .attr('transform','translate(' + margin.left + ',' + margin.top +')'); | |
| svg.selectAll('.layer') | |
| .data(layers) | |
| .enter().append('path') | |
| .attr('class', 'layer') | |
| .attr('d', function (d) { return area(d.values) }) | |
| .style('fill', function (d, i) { return z(i) }) | |
| .on('mouseover', function(d, i){ | |
| d3.selectAll('.layer').transition().delay(100) | |
| .attr('opacity', function(d, j){ | |
| return i==j && 1 || 0.3 | |
| }); | |
| div.transition() | |
| .duration(200) | |
| .style("opacity", 1); | |
| div .html(d.key) | |
| .style("left", (d3.event.pageX) + "px") | |
| .style("top", (d3.event.pageY - 28) + "px"); | |
| }) | |
| .on("mouseout", function(d) { | |
| div.transition() | |
| .duration(500) | |
| .style("opacity", 0); | |
| }); | |
| svg.append('g') | |
| .attr('class', 'x axis') | |
| .attr('transform', 'translate(0,' + height + ')') | |
| .call(xAxis); | |
| svg.append('g') | |
| .attr('class', 'y axis') | |
| .call(yAxis.orient('left')); | |
| }); | |
| </script | |
| </body> | |
| </html> |
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