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SVG Charts and Graphs With Ruby

Starr Horne
March 10, 2015
Programming
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SVG Charts and Graphs With Ruby

As given at Mountain West Ruby Conference 2015

Starr Horne

March 10, 2015
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Transcript

  1. SVG Charts & Graphics in Ruby! Starr Horne

  2. SVG Charts & Graphics in Ruby! Starr Horne

  3. StarrHorne

  4. StarrHorne 1999 The year was

  5. StarrHorne

  6. StarrHorne

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  8. StarrHorne

  9. StarrHorne

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  11. StarrHorne

  12. StarrHorne

  13. StarrHorne First rule of Web Design: ✨ ✨ Make the

    logo look good ✨

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  21. StarrHorne

  22. StarrHorne How to use SVG

  23. StarrHorne

  24. StarrHorne

  25. StarrHorne Nice for caching

  26. StarrHorne Can’t style with CSS

  27. StarrHorne

  28. StarrHorne Have to use fragment caching

  29. StarrHorne Can use external CSS & JS

  30. StarrHorne Let’s Take a Tour

  31. StarrHorne

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  36. StarrHorne

  37. StarrHorne

  38. StarrHorne

  39. StarrHorne SVG elements work like HTML elements

  40. StarrHorne

  41. StarrHorne

  42. StarrHorne

  43. StarrHorne

  44. StarrHorne Bar Charts

  45. StarrHorne

  46. StarrHorne

  47. StarrHorne

  48. StarrHorne

  49. StarrHorne

  50. StarrHorne Line Charts

  51. StarrHorne

  52. StarrHorne

  53. StarrHorne

  54. StarrHorne

  55. StarrHorne Do The Math

  56. StarrHorne Data -> Graph Space -> “Pixel” Space

  57. StarrHorne

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  66. StarrHorne

  67. StarrHorne

  68. StarrHorne Do The (polar) Math

  69. StarrHorne

  70. StarrHorne

  71. StarrHorne A Simple Ruby Implementation https://github.com/starrhorne/svg_sparklines (if you use it,

    fork it)

  72. StarrHorne Lies I Told During This Talk • SVG text

    can be painful • Coordinate systems can be obtuse • Documentation is there, but trial and error is king (More like omissions)

  73. StarrHorne Building Web Applications in SVG …it’s good, even though

    MS published it.

  74. StarrHorne Thanks!