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Clipped Bar Chart
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| license: mit |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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| <!DOCTYPE html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <script src="https://d3js.org/d3.v3.min.js"></script> | |
| <style> | |
| body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; } | |
| .bar { | |
| fill: red; | |
| opacity: .4; | |
| } | |
| .bar:hover { | |
| opacity: 1; | |
| } | |
| .bar text { | |
| fill: white; | |
| font: 16px sans-serif; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <script> | |
| var data = [ | |
| { | |
| start: 100, | |
| count: 3 | |
| }, | |
| { | |
| start: 200, | |
| count: 5 | |
| }, | |
| { | |
| start: 300, | |
| count: 10 | |
| }, | |
| { | |
| start: 500, | |
| count: 4 | |
| }, | |
| { | |
| start: 600, | |
| count: 2 | |
| }, | |
| ] | |
| var margin = {top: 20, right: 20, bottom: 20, left: 20}, | |
| padding = {top: 60, right: 60, bottom: 60, left: 60}, | |
| outerWidth = 960, | |
| outerHeight = 500, | |
| innerWidth = outerWidth - margin.left - margin.right, | |
| innerHeight = outerHeight - margin.top - margin.bottom, | |
| width = innerWidth - padding.left - padding.right, | |
| height = innerHeight - padding.top - padding.bottom; | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", outerWidth) | |
| .attr("height", outerHeight) | |
| .append("g") | |
| .attr("transform", "translate(" + margin.left + "," + margin.top + ")"); | |
| var x = d3.scale.linear().domain([100, 600]).range([0, width]); | |
| var y = d3.scale.linear().domain([0, 10]).range([0, height]); | |
| var dataLine = [ | |
| { | |
| start: 0, | |
| count: 0 | |
| }, | |
| { | |
| start: 160, | |
| count: 3 | |
| }, | |
| { | |
| start: 320, | |
| count: 5 | |
| }, | |
| { | |
| start: 480, | |
| count: 10 | |
| }, | |
| { | |
| start: 480, | |
| count: 0 | |
| }, | |
| { | |
| start: 640, | |
| count: 0 | |
| }, | |
| { | |
| start: 640, | |
| count: 4 | |
| }, | |
| { | |
| start: 800, | |
| count: 2 | |
| }, | |
| { | |
| start: 960, | |
| count: 0 | |
| } | |
| ] | |
| var xLine = d3.scale.linear().domain([0, 800]).range([0, width]); | |
| var yLine = d3.scale.linear().domain([0, 10]).range([0, height]); | |
| var area = d3.svg.line() | |
| .x(function(d) { | |
| return xLine(d.start); | |
| }) | |
| .y(function(d) { | |
| return height - yLine(d.count); | |
| }) | |
| var animateLine = svg.append('clipPath') | |
| .attr('id', 'ellipse-clip') | |
| .append("path") | |
| .datum(dataLine) | |
| .attr("d", area) | |
| var barGroup = svg.append('g').attr("clip-path","url(#ellipse-clip)") | |
| var bar = barGroup.selectAll(".bar") | |
| .data(data) | |
| .enter().append("g") | |
| .attr("class", "bar") | |
| bar.append('rect').attr({ | |
| x: function(d) { return x(d.start)}, | |
| width: width / data.length, | |
| height: function(d) { return y(d.count)}, | |
| y: function(d) { return height - y(d.count)} | |
| }).attr('class', 'bar') | |
| bar.append("text") | |
| .attr("dy", ".75em") | |
| .attr("y", height - 20) | |
| .attr("x", | |
| function(d){return x(d.start) + 80 }) | |
| .attr("text-anchor", "middle") | |
| .text(function(d) { return d.count; }); | |
| </script> | |
| </body> |
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