IWalkways approximates where people might enter and exit the walkway network and presents this information graphically to the user. The site in figure 1 is an approximation of the entry and exit points along Cornell University's Art's Quadrangle.
figure 1: a rough model of Cornell University's Art's Quadrangle
This model could be improved upon by counting pedestrians, getting data on the occupancy of the buildings, and/or looking at class schedules.