Created
October 17, 2017 13:32
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Explore D3 - line chart
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="width=device-width"> | |
| <title>JS Bin</title> | |
| </head> | |
| <body> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/4.2.3/d3.min.js"></script> | |
| <script src="https://d3js.org/d3-selection-multi.v1.min.js"></script> | |
| </body> | |
| </html> |
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| // to view and play just use jsbin - copy the url and replace 'github' with 'jsbin' to instantly view the code in action | |
| var w = 600; | |
| var h = 200; | |
| monthly_values = [{m: 1, sales: 9}, | |
| {m: 2, sales: 4}, | |
| {m: 3, sales: 22}, | |
| {m: 4, sales: 17}, | |
| {m: 5, sales: 19}, | |
| {m: 6, sales: 21}, | |
| {m: 7, sales: 44}, | |
| {m: 8, sales: 99}, | |
| {m: 9, sales: 20}, | |
| {m: 10, sales: 4}, | |
| {m: 11, sales: 3}, | |
| {m: 12, sales: 7}]; | |
| var svg = d3.select('body').append('svg') | |
| .attrs({width: w, height: h}); | |
| var line_fn = d3.line() | |
| .x(function (d, i) { return d.m * w / (monthly_values.length + 1); }) | |
| .y(function (d) { return h-d.sales; }) | |
| .curve(d3.curveBundle); | |
| var viz = svg.append('path') | |
| .data([monthly_values]) | |
| .attrs({ | |
| "d": line_fn, | |
| "stroke": "purple", | |
| "stroke-width": 2, | |
| "fill": "none" | |
| }); | |
| svg.selectAll("text") | |
| .data(monthly_values) | |
| .enter() | |
| .append("text") | |
| .text(function(d, i){ return d.sales; }) | |
| .attrs({ | |
| "text-anchor": "middle", | |
| "x": function(d, i){ return d.m * w / (monthly_values.length + 1); }, | |
| "y": function(d, i){ return h - d.sales - 15; }, | |
| "fill": function(d, i) { return "#777777"; }, | |
| "font-family": "sans-serif", | |
| "font-size": 12, | |
| "dy": "0.25em", | |
| "font-weight": function (d, i) { if (d.m % 3 === 0){ | |
| return "bold"; | |
| } else { | |
| return "normal"; | |
| }} | |
| }); |
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