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  1. QUESTION 1 (20p)
  2. ==========================
  3. 3D Fuckedup chart to comment on.
  4.  
  5. QUESTION 2 (18p)
  6. ==========================
  7. Describe and discuss ________ including any limitations. Use sketches to illustrate your answer.
  8. Subjects:
  9.     - Gestalt principles
  10.     - Retinal variables
  11.  
  12.  
  13. QUESTION 3 (12p)
  14. ==========================
  15. Describe and critically compare two ________. Consider the pros and cons as well as issues for both.
  16. Subjects:
  17.     - Visualising time (!)
  18.  
  19.  
  20. ################################################################################
  21. ################################################################################
  22. ################################################################################
  23. ################################################################################
  24. ::QUESTION 1::
  25.     - Data and encodings used:
  26.         what are they actually trying to communicate?
  27.         about X and Y axis
  28.         encodings mean mapping a data attribute to a visual variable
  29.         visualisation depends on:
  30.             type of data being viewed
  31.             the question we want to ask/answer
  32.     - Wrong layout/chart type
  33.         size
  34.         type
  35.     - information is obscured
  36.     - 3D
  37.         makes data difficult to interpret
  38.         colour changes on 3d effect not data
  39.     - Use of colour
  40.         colour1 vs colour2 together
  41.         background colour
  42.         ease to read
  43.     - Labelling unclear:
  44.         naming on categories confusing or mixed cats
  45.         title
  46.         size
  47.  
  48. COLOUR, SIZE, TYPE, LABELLING, 3D/PIE
  49.  
  50. ################################################################################
  51. ::QUESTION 2::GESTALT LAWS
  52.     - Lo proximity: objects that are near to each other tend to be grouped together.
  53.         > make sure items are clearly perceptually grouped.
  54.     - Lo similarity: the hooman i tends to perceive similar elements in a design as a complete picture/shape/group even if those elements are separated.
  55.         > can be used to strengthen grouping in UI elements
  56.         > Ensure different functions are differentiated and consistently styled (ie links, buttons)
  57.     - Closure: we tend to group objs together if they appear to form a boundary.
  58.         > Add borders around elements to create perceptual separation
  59.         > Lo Common Region can be implied using Law of Closure
  60.          ____________                                    __     __
  61.         |   O        |                                  |         |
  62.         |      O   O |  O
  63.         |____________|      O                           |__     __|
  64.     - Continuity: foreground background
  65.     - Common fate: if objs appear to be moving in the same direction they will be group together
  66.         _\|/_
  67.  
  68.  
  69. ################################################################################
  70. ::QUESTION 2::RETINAL VARIABLES
  71.     - Size:     - vs --- OR o vs O
  72.         hoomans are better at perceiving differences in length than in area
  73.     - Value or lightness: how black gray or white something is in comparison to another.
  74.     - Texture: dots, squares, lines, shading, etc.
  75.         easy for hoomans
  76.     - Orientation:    /   |   \   _
  77.         why pie charts are more difficult to understand than barcharts
  78.     - Shape: star, square, triangle, etc.
  79.         the more they increase the more difficult it is (3 vs 4 is fine but 25 vs 29 not)
  80.     - Colour: incredibly complex phenomenon. Screen vs printer. Density, saturation and hue
  81.         easy to make mistakes -> solution is colorbrewer2 (3: sequential, diverging or qualitative)
  82.  
  83.  
  84. ################################################################################
  85. ::QUESTION 3::VISUALISING TIME
  86.     Timeslices:
  87.         - Animation
  88.             + Good use of screen space
  89.  
  90.             + TRANSITIONS are quite clear
  91.             - Bad for ANALYSIS
  92.             - Perception of MOTION may not be accurate
  93.  
  94.             - Can't be printed
  95.         - Interaction
  96.             + Good use of screen space
  97.             + More FUN than animation
  98.             + Good to SPOT changes
  99.            
  100.             - Quite COGNITIVELY taxing (store in memory)
  101.             - Can't be printed
  102.         - Juxtaposition
  103.             + Good to spot changes
  104.             + Not cognitively taxing
  105.             + Can be printed
  106.             - The more the smaller
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