forked from hunzy's block: Line Chart
forked from jhon0010's block: Line Chart
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March 23, 2017 14:33
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Line Chart
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| license: mit |
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| [ | |
| { | |
| "x":"2017-03-23", | |
| "y":"2" | |
| }, | |
| { | |
| "x":"2017-03-26", | |
| "y":"4" | |
| }, | |
| ] |
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| <!doctype html> | |
| <html lang="ja"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>Line Chart</title> | |
| <style> | |
| .axis path, | |
| .axis line{ | |
| fill: none; | |
| stroke: black; | |
| } | |
| .tick text{ | |
| font-size: 12px; | |
| } | |
| .line{ | |
| fill: none; | |
| stroke: blue; | |
| stroke-width: 2px; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <script src="http://d3js.org/d3.v3.js"></script> | |
| <script> | |
| var dataset = [ | |
| { | |
| "x":"2017-03-23", | |
| "y":"2" | |
| }, | |
| { | |
| "x":"2017-03-26", | |
| "y":"4" | |
| }, | |
| ] | |
| var margin = {top: 20, right: 100, bottom: 30, left: 100}, | |
| width = 960 - margin.left - margin.right, | |
| height = 500 - margin.top - margin.bottom; | |
| var xScale = d3.scale.linear() | |
| .domain([0, d3.max(dataset, function(d){ return d.x; })]) | |
| .range([0, width]); | |
| var yScale = d3.scale.linear() | |
| .domain([0, d3.max(dataset, function(d){ return d.y; })]) | |
| .range([height, 0]); | |
| var xAxis = d3.svg.axis() | |
| .scale(xScale) | |
| .orient("bottom"); | |
| var yAxis = d3.svg.axis() | |
| .scale(yScale) | |
| .orient("left"); | |
| var line = d3.svg.line() | |
| .x(function(d) { return xScale(d.x); }) | |
| .y(function(d) { return yScale(d.y); }); | |
| 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 + ")"); | |
| svg.append("g") | |
| .attr("class", "x axis") | |
| .attr("transform", "translate(0," + height + ")") | |
| .call(xAxis) | |
| svg.append("g") | |
| .attr("class", "y axis") | |
| .call(yAxis) | |
| svg.append("path") | |
| .datum(dataset) | |
| .attr("class", "line") | |
| .attr("d", line(dataset)); | |
| </script> | |
| </body> | |
| </html> |
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