A scaleTime example.
From D3 in Depth book by Peter Cook.
Last active
March 16, 2020 05:27
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scaleTime example
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| license: gpl-3.0 | |
| height: 90 | |
| border: no |
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> | |
| <meta charset="utf-8"> | |
| <head> | |
| <title>Time scale</title> | |
| </head> | |
| <style> | |
| body { | |
| font-family: "Helvetica Neue", Helvetica, sans-serif; | |
| font-size: 10px; | |
| color: #333; | |
| } | |
| text { | |
| fill: black; | |
| text-anchor: middle; | |
| } | |
| </style> | |
| <body> | |
| <svg width="800" height="80"> | |
| <g id="wrapper" transform="translate(40, 40)"> | |
| </g> | |
| </svg> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/4.2.2/d3.min.js"></script> | |
| <script> | |
| var timeScale = d3.scaleTime() | |
| .domain([new Date(2016, 0, 1), new Date(2017, 0, 1)]) | |
| .range([0, 700]); | |
| var myData = [new Date(2016, 0, 1), new Date(2016, 3, 1), new Date(2016, 6, 1), new Date(2017, 0, 1)]; | |
| d3.select('#wrapper') | |
| .selectAll('circle') | |
| .data(myData) | |
| .enter() | |
| .append('circle') | |
| .attr('r', 2) | |
| .attr('cy', 8) | |
| .attr('cx', function(d) { | |
| return timeScale(d); | |
| }); | |
| d3.select('#wrapper') | |
| .selectAll('text') | |
| .data(myData) | |
| .enter() | |
| .append('text') | |
| .attr('x', function(d) { | |
| return timeScale(d); | |
| }) | |
| .text(function(d) { | |
| return d.toDateString(); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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