QUESTION 1 (20p)
==========================
3D Fuckedup chart to comment on.

QUESTION 2 (18p)
==========================
Describe and discuss ________ including any limitations. Use sketches to illustrate your answer.
Subjects:
	- Gestalt principles
	- Retinal variables


QUESTION 3 (12p)
==========================
Describe and critically compare two ________. Consider the pros and cons as well as issues for both.
Subjects:
	- Visualising time (!)


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::QUESTION 1::
	- Data and encodings used:
		what are they actually trying to communicate?
		about X and Y axis
		encodings mean mapping a data attribute to a visual variable
		visualisation depends on:
			type of data being viewed
			the question we want to ask/answer
	- Wrong layout/chart type
		size
		type
	- information is obscured
	- 3D
		makes data difficult to interpret
		colour changes on 3d effect not data
	- Use of colour
		colour1 vs colour2 together
		background colour
		ease to read
	- Labelling unclear:
		naming on categories confusing or mixed cats
		title
		size

COLOUR, SIZE, TYPE, LABELLING, 3D/PIE

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::QUESTION 2::GESTALT LAWS
	- Lo proximity: objects that are near to each other tend to be grouped together.
		> make sure items are clearly perceptually grouped.
	- 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.
		> can be used to strengthen grouping in UI elements
		> Ensure different functions are differentiated and consistently styled (ie links, buttons)
	- Closure: we tend to group objs together if they appear to form a boundary.
		> Add borders around elements to create perceptual separation
		> Lo Common Region can be implied using Law of Closure
		 ____________									 __		__
		|	O        |									|		  |
		|	   O   O |  O
		|____________| 		O							|__		__|
	- Continuity: foreground background
	- Common fate: if objs appear to be moving in the same direction they will be group together
		_\|/_


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::QUESTION 2::RETINAL VARIABLES
	- Size: 	- vs --- OR o vs O
		hoomans are better at perceiving differences in length than in area
	- Value or lightness: how black gray or white something is in comparison to another.
	- Texture: dots, squares, lines, shading, etc.
		easy for hoomans
	- Orientation:    /   |   \   _
		why pie charts are more difficult to understand than barcharts
	- Shape: star, square, triangle, etc.
		the more they increase the more difficult it is (3 vs 4 is fine but 25 vs 29 not)
	- Colour: incredibly complex phenomenon. Screen vs printer. Density, saturation and hue
		easy to make mistakes -> solution is colorbrewer2 (3: sequential, diverging or qualitative)


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::QUESTION 3::VISUALISING TIME
	Timeslices:
		- Animation
			+ Good use of screen space

			+ TRANSITIONS are quite clear
			- Bad for ANALYSIS
			- Perception of MOTION may not be accurate

			- Can't be printed
		- Interaction
			+ Good use of screen space
			+ More FUN than animation
			+ Good to SPOT changes

			- Quite COGNITIVELY taxing (store in memory)
			- Can't be printed
		- Juxtaposition
			+ Good to spot changes
			+ Not cognitively taxing
			+ Can be printed
			- The more the smaller



















































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