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Fig. 2.6 Individual line drawing agents with different genetic values of irrationality. Note that the
“die if intersect” rule has been turned off for these examples
Fig. 2.7 The niche construction mechanism for drawing agents: a local line density measure, p i ,
facilitates a self-observation mechanism. The agent's genome includes an allele that represents a
preferred density ( δ i ). The difference between preferred density and measured density affects the
agent's effective fitness, hence its ability to survive, grow, and reproduce
give birth to large numbers of offspring, who quickly fill the canvas with lines of
close proximity. Some examples are shown in Fig. 2.8 .
This local, implicit self-observation plays a vital role in influencing the over-
all density variation and aesthetics of the images produced. We know this because
turning the mechanism off produces images of significantly less density variation
(statistically) and visual interest (subjectively).
2.4.3 Automation and the Creative Role of the Artist
automation (noun): the use of largely automatic equipment in a system of manufacturing or
other production process
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