Axial local integration (Space Syntax)
Axial local integration is defined as integration values of axial lines at the radius 3 (root plus two topological steps from the root), which can be used to represent a localised picture of integration.
Hillier, B., Burdett, R., Peponis, J., Penn, A. (1987), Creating Life: Or, Does Architecture Determine Anything? Architecture et Comportement/Architecture and Behaviour , 3 (3) 233 - 250. pp. 237