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Week 5 - Visual Analytics & Dashboards (Part 2) (Gestalt Principles of…
Week 5 - Visual Analytics & Dashboards (Part 2)
Gestalt Principles of Visual Perception
Principle of Proximity
Grouped near together
Principle of Closure
Open structure as closed
Principle of Similarity
Colour, size, shape & orientation
Principle of Continuity
Aligned with one another
Principle of Enclosure
Enclosed by a visible border
Principle of Connection
connected; stronger than proximity/similarity
Key goals/steps of visual dashboard
Reduce the non-data pixels
De-emphasize and regularise the non-data pixels
that remain e.g. axis lines or gridlines should be muted, navigational controls should not take up more space than visuals or instructions can be displayed only when needed such as pop-up menu
Eliminate all unnecessary non-data pixels
e.g. avoid variations in colours with no meaning, remove unnecessary borders or complete borders, unnecessary fill colours on bars or background, avoid 3D
Enhance the data pixels (limits of short-term memory)
Eliminate all unnecessary data pixels
e.g. preattentive attributes such as colour, form, position & motion by removing less relevant data, Condensing data through summaries (e.g.sum, averages) & exceptions(drill-down) & display more details for recent and less for more distant data
Highlight the most important data pixels that remain
e.g. use of different intensity of colour to draw attention to important data pixels
Considerations of Dashboard Design
Principles of Dashboard Design