Giotto JS Logo. Canvas rendering via d3-canvas-transition module.
Last active
January 3, 2017 16:46
-
-
Save lsbardel/64e007e866535ba45e2c0e9b3a2ccacb to your computer and use it in GitHub Desktop.
GiottoJS Logo
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
| license: bsd-3-clause |
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 lang="en"> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>Giotto Logo</title> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <script src="https://giottojs.org/d3-canvas-transition/0.3.3/d3-canvas-transition.js"></script> | |
| </head> | |
| <body> | |
| <div id="paper" style="position: absolute;"> | |
| <label> | |
| <input id='svg' name="type" type="radio" checked> | |
| <span>svg</span> | |
| </label> | |
| <label> | |
| <input id='canvas' name="type" type="radio"> | |
| <span>canvas</span> | |
| </label> | |
| </div> | |
| <div id="example" style="max-width: 960px"></div> | |
| <script> | |
| (function () { | |
| d3.select('#svg').on('click', function () {draw('svg');}); | |
| d3.select('#canvas').on('click', function () {draw('canvas');}); | |
| if (d3.resolution() > 1) { | |
| d3.select('#paper').append('label').html( | |
| "<input id='canvas-low' name='type' type='radio'><span>canvas low resolution</span>" | |
| ); | |
| d3.select('#canvas-low').on('click', function () {draw('canvas', 1);}); | |
| } | |
| var example = d3.select("#example"), | |
| width = d3.getSize(example.style('width')), | |
| height = Math.min(500, width), | |
| conv = Math.PI/180, | |
| logo = [['Italy', 42772], | |
| ['France', 50764], | |
| ['Spain', 33397], | |
| ['USA', 19187], | |
| ['Argentina', 15473], | |
| ['China', 13200], | |
| ['Australia', 11180], | |
| ['Chile', 10463], | |
| ['Germany', 9132], | |
| ['South Africa', 9725], | |
| ['Portugal', 5610], | |
| ['New Zealand', 2350], | |
| ['Rest of World', 63776]], | |
| colors = ['#005AAA', '#0091E8', '#BB7200', '#F2A605', '#F2E905'], | |
| padAngle = 2, | |
| dangle = 10; | |
| draw('svg'); | |
| function draw (type, r) { | |
| example.select('.paper').remove(); | |
| var radius = 0.5*Math.min(width, height), | |
| paper = example | |
| .append(type) | |
| .classed('paper', true) | |
| .attr('width', width).attr('height', height).canvasResolution(r).canvas(true); | |
| paper | |
| .selectAll('g') | |
| .data(d3.range(20)) | |
| .enter() | |
| .append('g') | |
| .attr('transform', "translate(" + width / 2 + "," + height / 2 + ")") | |
| .each(function (d) { | |
| var inner = 0.9*radius, | |
| arc = d3.arc().cornerRadius(10).outerRadius(radius).innerRadius(inner), | |
| arcs = d3.pie() | |
| .value(function (d) {return d[1];}) | |
| .startAngle(d*dangle*conv) | |
| .padAngle(padAngle*conv)(logo); | |
| radius = 0.86*radius; | |
| d3.select(this) | |
| .selectAll('path') | |
| .data(arcs) | |
| .enter() | |
| .append('path') | |
| .attr('d', arc) | |
| .style("stroke-width", 0) | |
| .style("fill", "none") | |
| .transition().delay(function (d) { | |
| return 100*d.startAngle; | |
| }) | |
| .style("fill", function (d, i) { | |
| while (i >= colors.length) i-= colors.length; | |
| return colors[i]; | |
| }); | |
| }); | |
| } | |
| }()); | |
| </script> | |
| </body> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment