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D3.js capita selecta
D3.js capita selecta
D3.js capita selecta
D3.js capita selecta
D3.js capita selecta
D3.js capita selecta
D3.js capita selecta
D3.js capita selecta
D3.js capita selecta
D3.js capita selecta
D3.js capita selecta
D3.js capita selecta
D3.js capita selecta
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D3.js capita selecta

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  • 1. D3.js Data-Driven Documents http://d3js.org/ Joris Klerkx - @jkofmskWednesday 3 October 12
  • 2. What? Bind arbitrary data do a Document Object Model (DOM) Apply data-driven transformations to the DOMWednesday 3 October 12
  • 3. From data.. to interactive visualisations [4, 8, 15, 16, 23, 42]; function(d) { return d3.time.days(new Date(2012, 0, 1), new Date(2013, 0, 1)); }) name,economy (mpg),cylinders,displacement (cc),power (hp),weight (lb),0-60 mph (s),year AMC Ambassador Brougham,13,8,360,175,3821,11,73 AMC Ambassador DPL,15,8,390,190,3850,8.5,70 AMC Ambassador SST,17,8,304,150,3672,11.5,72 CSV AMC Concord DL 6,20.2,6,232,90,3265,18.2,79 AMC Concord DL,18.1,6,258,120,3410,15.1,78 AMC Concord DL,23,4,151,,3035,20.5,82 AMC Concord,19.4,6,232,90,3210,17.2,78 AMC Concord,24.3,4,151,90,3003,20.1,80 { "employees": [ { "firstName":"John" , "lastName":"Doe" }, { "firstName":"Anna" , "lastName":"Smith" }, { "firstName":"Peter" , "lastName":"Jones" } ] JSON }Wednesday 3 October 12
  • 4. Advantages Web standards HTML, SVG, CSS Well-known web technologies javascript, json, CSV, ... Extensive API https://github.com/mbostock/d3/wiki/API-Reference All (modern) browsers & platforms IE9, Chrome, FF, Safari, ... mobile, desktopWednesday 3 October 12
  • 5. Who knows? • HTML? • CSS? • http://www.w3schools.com/css/ • Javascript? • http://www.w3schools.com/js/ • SVG? • http://www.w3schools.com/svg/Wednesday 3 October 12
  • 6. Scalable Vector Graphics Definition of graphics in XML <svg xmlns="http://www.w3.org/2000/svg" version="1.1"> <circle cx="100" cy="50" r="40" stroke="black" stroke-width="2" fill="red" /> </svg> <svg xmlns="http://www.w3.org/2000/svg" version="1.1"> <text x="10" y="20" style="fill:red;">Several lines: <tspan x="10" y="45">First line</tspan> <tspan x="10" y="70">Second line</tspan> </text> </svg> <svg xmlns="http://www.w3.org/2000/svg" version="1.1"> <rect x="50" y="20" rx="20" ry="20" width="150" height="150" style="fill:red;stroke:black;stroke-width:5;opacity:0.5" /> </svg>Wednesday 3 October 12
  • 7. D3 - Three little circles http://mbostock.github.com/d3/tutorial/circle.htmlWednesday 3 October 12
  • 8. Look out Quite a learning curveWednesday 3 October 12
  • 9. Tools you need • Text Editor or IDE • Browser(s) • Developer Tools - embedded in Chrome (or firebug in FF)Wednesday 3 October 12
  • 10. Tool(s) that could be useful SVG Editor (e.g. InkScape) http://colorbrewer2.org/Wednesday 3 October 12
  • 11. Further Reading http://mbostock.github.com/d3 http://www.jeromecukier.net/blog/2012/09/04/getting-to- hello-world-with-d3/ http://christopheviau.com/d3_tutorial/ http://alignedleft.com/tutorials/d3/fundamentals/ ... If you find other resources, please share via twitter!Wednesday 3 October 12
  • 12. Your Mission. • Play with D3.js • Look at tutorials & examples • Check out datasets • http://www.visualizing.org/contests/visualize-us-election • http://www.visualizing.org/contests/oecd-education- challenge • http://www.visualizing.org/data/browse • 17 october: Show-and-TellWednesday 3 October 12
  • 13. Thank you. Now up to you.Wednesday 3 October 12

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