Urban Design Lab on Instagram: "Visual permeability analysis Visual permeability defines how urban form shapes what can be seen and navigated. Using tools like _____________, designers map isovists and visibility fields to quantify openness, enclosure, and sightline continuity. These analyses reveal how building geometry and spatial layout influence perception, accessibility, and movement — translating visual experience into measurable urban performance. . . #urbandesign #actofmapping #mapping #