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August 2, 2018 17:23
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Fisheye interface (no touch/swipe)
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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.v4.min.js"></script> | |
| <style> | |
| </style> | |
| </head> | |
| <body> | |
| <script> | |
| var w = window, | |
| d = document, | |
| e = d.documentElement, | |
| g = d.getElementsByTagName('body')[0], | |
| wid = w.innerWidth || e.clientWidth || g.clientWidth, | |
| wid = 500 | |
| y = w.innerHeight|| e.clientHeight|| g.clientHeight; | |
| // Feel free to change or delete any of the code you see in this editor! | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", wid) | |
| .attr("height", "200") | |
| .on('mousemove', () => { | |
| let x = d3.event.x - 20; | |
| d3.selectAll('.content').attr('x', (d, i) => fisheye(d, x)) | |
| }) | |
| .on('mouseleave', () => { | |
| d3.selectAll('.content').transition().attr('x',function(d,i){return xScale(i)}) | |
| }) | |
| var chart = svg.append('g') | |
| .classed('group', true) | |
| svg.append("g").append("rect").attr("width",wid).attr("height",200).style("fill","black") | |
| let xScale = d3.scaleBand().domain(d3.range(27)).range([0,wid]).padding(0) | |
| let rects = svg.selectAll('content') | |
| .data(d3.range(27)) | |
| rects.exit().remove(); | |
| rects.enter() | |
| .append("rect") | |
| .attr("class","content") | |
| .attr("y", 0) | |
| .attr("x", (d, i) => xScale(i)) | |
| .attr("width", "100px") | |
| .style("opacity",1) | |
| .attr("stroke","white") | |
| .style('fill', 'rgb(81, 170, 232)') | |
| .attr("height", 200); | |
| let distortion = 5; | |
| function fisheye(_, a) { | |
| let x = xScale(_), | |
| left = x < a, | |
| range = d3.extent(xScale.range()), | |
| min = range[0], | |
| max = range[1], | |
| m = left ? a - min : max - a; | |
| if (m === 0) m = max - min; | |
| return (left ? -1 : 1) * m * (distortion + 1) / (distortion + (m / Math.abs(x - a))) + a; | |
| } | |
| </script> | |
| </body> |
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