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Design
what is it?
Design
what is it?
Designas an activity in its own right
● different to science, art, music
● science explains
● art, music express emotions
Design
an activity in its own right
● the production of an entity (or its representation) to satisfy a given set of requirements
Designas an activity in its own right
design creates
Designas an activity in its own right
design has changed the world
Designas an activity in its own right
a purposeful act
Designcharacteristics
● function / purpose
● behaviour
● structure
F
B
S
F
B
S
P
Designcharacteristics
● function / purpose
● behaviour
● structure
why / what does
how does
what is
Designcharacteristics
● function / purpose● to tell the time● to adorn the wearer● to advertise status
● behaviour● by pointing to appropriate marks● being visible● be attractive, stylish
● structure● gold case /strap, glass face, gold hands, …
Designcharacteristics
● function / purpose● to promote Faculty● to inform
● behaviour● by projecting an academic image● by projecting an attractive look● by displaying accurate & complete information● by being easy to use / navigate
● structure● text, graphics & multimedia● type, shape, size, colour, location, orientation, tone, loudness, …
Unintended Functions
● not purpose of design
● side effects● e.g. cars – exhaust, space, momentum
● may find new purposes● ‘good’ and ‘bad’● cup for measuring, car for ram-raiding
actualbehaviour
analysis
Design processes
function
requiredbehaviour
evaluation
reformulation
pro
ble
mfo
rmu
lati
on
synthesis structure
redesign
description
do
cum
entatio
n
Design classification
● routine design● finding values for structural variables
● innovative design● extending the values of structural variables
● creative design● creating new variables, new types
Design Prototypes
an object-oriented representation for design
Design PrototypesJohn Gero
http://www.arch.usyd.edu.au/~john/publications/ger-prototypes/ger-aimag.html
http://mason.gmu.edu/~jgero/publications/1990/90GeroDesignPrototypes.pdf
Design Prototypesname
typology
context
function
behaviour
structure
knowledge
DP = ƒ (T, C, F, B, S, K)
Design Prototypesname:
typology:
context:
function:
behaviour:
structure:
knowledge:
aTypeOf: door
hinged door
space(S1,S2), wall(W1)
controlsAccess, providesSecurity, …
swings, opens/closes, hasStrength, lockable, …
aComponentOf: wallAssembly(W)hasComponents: (frame, leaf, hinges, handles)material: anyOf: (timber, metal, glass, …)shape: rectangulardimensions: (height, width, thickness)
R45 IF strength OF door IS high THEN providesSecurity function OF door IS satisfactory….
Designing withDesign Prototypes● routine design
● given a specific design prototype instantiate values of variables
● innovative design● select appropriate design prototype extend range of variables by adding new values new subclass
● creative design● create new high-level design prototype new variables &/or new combinations
20
● what is it?
● can computers design?
● can computers be creative?
creativity
computersin design
● what would computers need to do to design?
● what would computers need to be creative?
creative design ?
