Sky view factorSVF
The fraction of the overhead sky visible from a point, set by surrounding geometry. For a courtyard, SVF ≈ W/√(W²+4H²); a low SVF means deep shade but less daylight.
The fraction of the overhead sky visible from a point, set by surrounding geometry. For a courtyard, SVF ≈ W/√(W²+4H²); a low SVF means deep shade but less daylight.