等视域深度指连接两个空间点之间的最短路径上等视域连接的次数之和。
等视域深度
Sources
Turner, A. & Penn, A. (1999), Making Isovists Syntactic: Isovist Integration Analysis, In Proceedings of the 2nd International Space Syntax Symposium, Universidade de Brasilia, Brazil, 1-9. pp.3