Individual agents are created through an emitter curve that swarm according to varying levels of
agent to agent alignment, cohesion, separation and attraction to a secondary attractor curve, while detecting
a tertiary attraction to a color value field created in a 3 dimensional grid.
Contraction and expansion of the agent pathways occur in response to their proximities to each’s
closest agent path, thus creating increased pockets of tubular space when each individual path is on the
verge of straying too far away from its adjacent paths. The paths are influencing each other within a predetermined
context of opposing forces: interpreted as urban factors acting on pedestetrian flow, generating a
new mode of mapping pedestrian behaviour in a city scape. RGB values are inherited from a hourlyadjusted
heat map of Foursquare check-ins in downtown Manhattan for one Saturday. Attractor agents are
then generated from the heat maps, and adjusted within a 3d field to reflect the activity level intensity at that
particular grid location and time: the more active it is, the more influence this attractor point has on its
neighoring travelling agents, and thus affecting their trajectories as they traverse from their startpoint. This
search process attempts to recreate a new means of understanding circulation of individual agents, the
overall circulatory patterns of multiple agents, and how to generate a servicing route that can responsively
address both forms of movements effectively.

design team : Bo Liu, Brian Lee
ENCODED MATTER, GSAPP 2012
Instructor : Ezio Blasetti

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