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February 17, 2019 21:10
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Alberti cipher disk
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="width=device-width"> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <title>JS Bin</title> | |
| </head> | |
| <body> | |
| </body> | |
| <script> | |
| var alphabet = "abcdefghijklmnopqrstuvwxyzæøå".split(""); | |
| function cipherAlphabet(alphabet, steps){ | |
| var copy = alphabet.slice(); | |
| var truncation = copy.splice(0,steps); | |
| return copy.concat(truncation); | |
| } | |
| var cAlphabet = cipherAlphabet(alphabet,4); | |
| var svg = d3.select("body") | |
| .append("svg") | |
| .attr("height", 1000) | |
| .attr("width", 1000); | |
| var r = 200; | |
| var p = Math.PI * 2; | |
| var group = svg.append("g") | |
| .attr("transform", "translate(300,300)"); | |
| var arc = d3.arc() | |
| .innerRadius(r - 50) | |
| .outerRadius(r) | |
| .endAngle(p); | |
| var arcInner = d3.arc() | |
| .innerRadius(r - 120) | |
| .outerRadius(r - 60) | |
| .endAngle(p); | |
| var pie = d3.pie() | |
| .sort(null) | |
| .value(function(d) { | |
| return 1; | |
| }); | |
| var arcs = group.selectAll(".arc") | |
| .data(pie(alphabet)) | |
| .enter() | |
| .append("path") | |
| .attr("class", "arc") | |
| .attr("id", function(d,i){ | |
| return "arc" + i; | |
| }) | |
| .attr("d", arc) | |
| .style("fill", function(d) { | |
| if(d.data === "a"){ | |
| return "grey"; | |
| } else { | |
| return "black"; | |
| } | |
| }) | |
| .style('stroke','white') | |
| .style('stroke-width','1.5px'); | |
| group.selectAll(".arcText") | |
| .data(alphabet) | |
| .enter() | |
| .append("text") | |
| .attr("text-anchor", "middle") | |
| .attr("font-size", "40") | |
| .attr("x", 25) | |
| .attr("dy", 35) | |
| .attr("fill", "white") | |
| .style('stroke','grey') | |
| .style('stroke-width','0.3px') | |
| .attr("class", "arcText") | |
| .append("textPath") | |
| .attr("xlink:href",function(d,i){return "#arc"+i;}) | |
| .text(function(d){ | |
| return d | |
| }) | |
| var arcs = group.selectAll(".arcInner") | |
| .data(pie(cAlphabet)) | |
| .enter() | |
| .append("path") | |
| .attr("class", "arcInner") | |
| .attr("id", function(d,i){ | |
| return "arcInner" + i; | |
| }) | |
| .attr("d", arcInner) | |
| .style("fill", function(d) { | |
| if(d.data === "a"){ | |
| return "darkgrey"; | |
| } else { | |
| return "black"; | |
| } | |
| }) | |
| .style('stroke','white') | |
| .style('stroke-width','1.5px'); | |
| group.selectAll(".arcInnerText") | |
| .data(cAlphabet) | |
| .enter() | |
| .append("text") | |
| .attr("text-anchor", "middle") | |
| .attr("font-size", "28") | |
| .attr("x", 17) | |
| .attr("dy", 30) | |
| .attr("fill", "white") | |
| .attr("class", "arcInnerText") | |
| .style('stroke','grey') | |
| .style('stroke-width','0.3px') | |
| .append("textPath") | |
| .attr("xlink:href",function(d,i){return "#arcInner" + i}) | |
| .text(function(d){ | |
| return d | |
| }) | |
| </script> | |
| </html> |
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