The P position index: analytical extension of a multi-stage geometric model in visual perception
Lighting Research & Technology
Published online on July 21, 2026
Abstract
Lighting Research & Technology, Ahead of Print.
The Guth position indexPis a key geometric parameter used in glare-evaluation models to quantify the positional contribution of a light source to visual discomfort. Its practical relevance spans lighting design, photometric assessment and the ...
The Guth position indexPis a key geometric parameter used in glare-evaluation models to quantify the positional contribution of a light source to visual discomfort. Its practical relevance spans lighting design, photometric assessment and the ...