# 代写代考 Design Space: – cscodehelp代写

Design Space:
multiple dimensions and rationale

• In any design there will be a very large number of decisions to make
• Each decision represents a dimension in multi- dimensional space
• We can’t draw more than two dimensions!
• Parellel co-ordinates is a common visualisation method for high-dimensional data
• We can use them to visualise our design space…

• In any design there will be a very large number of decisions to make
• Each decision represents a dimension in multi- dimensional space
• We can’t draw more than two dimensions!
• Parellel co-ordinates is a common visualisation method for high-dimensional data
• We can use it to visualise our design space…

Parallel coordinates
• Used for visualising multidimensional data
• Each dimension (decision) is represented as a vertical axis, with its values equally spaced along it
• The dimensions are arranged horizonatally, equally spaced
• A single data point is a line that joins its values on each dimension
, “Parallel Coordinates (eagereyes)”, https://eagereyes.org/techniques/parallel-coordinates, 2010 (accessed 18/04/21)

Using Parallel coordinates to visualise Design Space choices
Now we are not confined to representing only two design alternatives in two dimensions

Designing a classroom
wall width, classroom offset, orientation, roof angle… daylight factor, view quality
https://bernalm.gitbooks.io/design-space-construction/content/visualization_and_optimization.html

Questions Options Criteria QOC notation
A more formal way of representing the Design Choice and Design Rationale
– Questions: the key issues/choices of the design
– Options: possible answers to the questions
– Criteria: reasons for arguing for or against the options

Design documentation: design rationale – an HCI example
does not need focussed attention
can be perceived in a noisy environment
How should we represent an alarm?
flashing light
can be perceived immediately

Design documentation: design rationale – an HCI example
does not need focussed attention
can be perceived in a noisy environment
How should we represent an alarm?
flashing light
can be perceived immediately

Design documentation: design rationale – an HCI example
does not need focussed attention (2)
can be perceived in a noisy environment (3)
How should we represent an alarm?
flashing light
can be perceived immediately (1)

Two dimensions of choice
clustered column
100% stacked column
stacked column
stacked line
1×4 (correct)
1×4 (incorrect)
1×4 (%correct)
1×4 (%incorrect)
4×4 (all data)
4×4 (all, as %)
1×1 (%correct)

Representing data choice (6) 4×4 (represented as %)
can read the exact values clearly
clearly shows extent of successes vs failures
which visualisation?
clustered bar (A)
100% stacked column (B)
stacked column (C)
clearly shows which runner has most successes

clustered bar (A) 100% stacked column (B)

Representing data choice (6) 4×4 (represented as %)
which visualisation?
can read the exact values clearly
clearly shows extent of successes vs failures
clearly shows which runner has most successes

Representing data choice (6) 4×4 (represented as %)
which visualisation?
can read the exact values clearly
clearly shows extent of successes vs failures
clearly shows which runner has most successes

Representing data choice (6) 4×4 (represented as %)
which visualisation?
can read the exact values clearly (2)
clearly shows extent of successes vs failures (1)
clearly shows which runner has most successes (3)