When a scale's domain changes, transition the axis.
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January 20, 2020 21:05
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Axis Transition
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| license: gpl-3.0 | |
| height: 100 |
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.
Learn more about bidirectional Unicode characters
| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <style> | |
| body { | |
| margin: 0; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <script src="https://d3js.org/d3.v5.min.js"></script> | |
| <script> | |
| const x = d3.scaleLinear(); | |
| const xAxis = d3.axisBottom(x); | |
| const margin = { left: 20, right: 20 }; | |
| const svg = d3.select("body").append("svg"); | |
| const g = svg.append("g"); | |
| draw(); | |
| d3.interval(draw, 3000); | |
| function draw(){ | |
| const width = innerWidth - margin.left - margin.right; | |
| const height = innerHeight; | |
| x | |
| .domain([0, random(width * .25, width + width * .75)]) | |
| .range([0, width]); | |
| svg | |
| .attr("width", width + margin.left + margin.right) | |
| .attr("height", height); | |
| g | |
| .attr("transform", `translate(${margin.left}, ${height / 2})`) | |
| .transition().duration(2000) | |
| .call(xAxis); | |
| } | |
| // random number function | |
| function random(min, max){ | |
| return Math.floor(Math.random() * (max - min + 1) + min); | |
| } | |
| </script> | |
| </body> | |
| </html> |
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