标签：com http blog style class div img code java c log
<!-- area的例子
csv使用node.js提供的 --> <!DOCTYPE html> <meta charset="utf-8"> <style> svg { font: 10px sans-serif; } path { fill: steelblue; } .axis path, .axis line { fill: none; stroke: #000; shape-rendering: crispEdges; } .brush .extent { stroke: #fff; fill-opacity: .125; shape-rendering: crispEdges; } </style> <body> <script src="http://d3js.org/d3.v3.min.js"></script> <script> var margin = {top: 10, right: 10, bottom: 100, left: 40}, margin2 = {top: 430, right: 10, bottom: 20, left: 40}, width = 960 - margin.left - margin.right, height = 500 - margin.top - margin.bottom, height2 = 500 - margin2.top - margin2.bottom; var parseDate = d3.time.format("%b %Y").parse; var x = d3.time.scale().range([0, width]), x2 = d3.time.scale().range([0, width]), y = d3.scale.linear().range([height, 0]), y2 = d3.scale.linear().range([height2, 0]); var xAxis = d3.svg.axis().scale(x).orient("bottom"), xAxis2 = d3.svg.axis().scale(x).orient("bottom"), yAxis = d3.svg.axis().scale(y).orient("left"); var area=d3.svg.area() .interpolate("monotone") //这里教程没有写 .x(function(d){return x(d.date);}) //很容易写成data .y0(height) .y1(function(d){return y(d.price);}) ; var area2=d3.svg.area() .interpolate("monotone") .x(function(d){return x2(d.date);}) .y0(height2) .y1(function(d){return y2(d.price);}) ; var svg=d3.select(‘body‘).append(‘svg‘) .attr({ ‘width‘:width+margin.left+margin.right, ‘height‘:height+margin.top+margin.bottom }) var focus=svg.append(‘g‘) .attr(‘transform‘,‘translate(‘+margin.left+‘,‘+margin.top+‘)‘) ; var context=svg.append(‘g‘) .attr(‘transform‘,‘translate(‘+margin2.left+‘,‘+margin2.top+‘)‘) ; d3.csv(‘data.csv‘,function(error,data){ data.forEach(function(d){ d.date = parseDate(d.date); d.price=+d.price; }); x.domain(d3.extent(data.map(function(d){return d.date;}))); y.domain([0,d3.max(data.map(function(d){return d.price;}))]); x2.domain(x.domain()); //这里没有加（） y2.domain(y.domain()); focus.append(‘path‘) .datum(data) .attr(‘d‘,area) ; focus.append(‘g‘) .attr(‘class‘,‘x axis‘) .attr(‘transform‘,‘translate(0,‘+height+‘)‘) .call(xAxis) ; focus.append(‘g‘) .attr(‘class‘,‘y axis‘) .call(yAxis) ; context.append(‘path‘) .datum(data) .attr(‘d‘,area2) ; context.append(‘g‘) .attr(‘class‘,‘x axis‘) .attr(‘transform‘,‘translate(0,‘+height2+‘)‘) .call(xAxis2) ; }); </script>
标签：com http blog style class div img code java c log
原文地址：http://www.cnblogs.com/wang-jing/p/3699036.html
