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Design principles applied to map design & usability

Design principles applied to map design & usability

Keynote for my session at #FOSS4G 2011

Sergio Álvarez Leiva

October 01, 2011
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  1. Hello,

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  2. vizzuality
    Lead designer & co-founder

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  7. 15 Design principles you
    should apply *always*

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  8. _Classical Conditioning
    A technique used to associate a stimulus with an
    unconscious physical or emotional response.

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  11. _Aesthetic Effect
    Aesthetic designs are *perceived* as easier to use and
    better, than less-aesthetic designs.

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  13. NIXON

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  14. KENNEDY

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  20. _Golden Ratio
    A ration within the elements of a form, such a height
    to width, approximating 0.618.

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  24. _Forms follow function
    Form in design results from purity of function.

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  26. You can find this map at mapbox.com

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  27. You can find this map at mapbox.com

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  28. _Affordance
    A property in which physical characteristics of an
    object or environment influence its function.

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  30. Pull

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  31. Push

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  34. _Consistency & Constraint
    The usability of a system is improved when similar
    parts are expresed in similar ways.

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  37. Zoom &
    movement
    controls Layers

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  40. _Fitt's law
    The time required to move to a target is a function of
    the target size and distance to the target - plus the
    precision needed -.

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  46. _Forgiveness
    Designs should help people avoid errors and
    minimize the negative consequences of errors when
    they do occur.

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  50. _Use of Color
    Color is used in design to attract attention, group
    elements, indicate meaning, and enhance aesthetics.

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  51. __Number of colors
    No more than 4-5 colors.

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  52. You can find this map at mapbox.com

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  53. __Color combinations
    Something aesthetic please.
    Protip! colorbrewer2.org

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  54. __Saturation
    More saturated for attracting attention.
    More saturated more eye fatigue.

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  56. __Meaning
    Analyze your colors meaning before aplying them.

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  58. _Interference Effects
    A phenomenon in which mental processing is
    made slower and less accurate by competing
    mental processes.

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  59. Black Red Yellow Purple Green
    Blue Yellow Red White White
    Blue Green Black Brown Orange
    Green Orange Yellow Red

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  60. _Nudge
    A method for predictably altering behavior without
    restricting options or signicantly changing incentives.

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  64. _Inantentional Blindness
    The failure to cognitively process a stimulus that is
    presented in clear view, leaving the observer without
    any awareness or memory of the stimulus.

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  66. _Progressive disclosure
    A strategy for managing information complexity in
    which only necessary or requested information is
    displayed at any given time.

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  70. _Visibility
    The usability of a system is improved when its status
    and methods of use are clearly visible.

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  78. Thank you!
    @saleiva
    [email protected]

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  81. _Framing
    A technique that influences decision making and
    judgement by manipulating the way information
    is presented.

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  82. Gas kills over 100 Hostages

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  83. Gas saves over 500 hostages

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