Isovist program and Analyst

Isovist or vision field computing is an interesting topic with many applications in different fields: security, wireless network design, landscape management. In all existing solutions, 3D environment appears to be the most challenging task and a few solutions exist for detecting the obstacles that limit the vision field. In this paper a new algorithm is presented for isovist calculation that can detect all the objects which block the sight in a 2D and 3D environment. Then a demonstration with GIS data is given. And some visibility indices are also presented.