Safe Park Lighting: Seeing Faces Four Meters Away

Nighttime lighting for the main pathways in a park, designed to allow pedestrians to recognize the facial expressions of approaching people from four meters away. The placement of light fixtures ensures there are no continuous dark stretches on the path longer than a few steps, and the light not only illuminates the ground but also provides sufficient vertical illuminance on people's faces. In the scene, two pedestrians meet on the path; their facial features, expressions, and clothing colors are clearly visible, not silhouettes. Surrounding shrubs are trimmed to below waist height, not forming hidden dark areas, and there is also weak supplementary lighting behind the shrubbery. Neutral color temperature, high color rendering index, accurate color reproduction. Avoid: only illuminating the ground making faces into silhouettes, large continuous dark stretches, drawing shrubs taller than a person, using orange-yellow light with poor color rendering.

Translated from Chinese by AI.

夜間公園主要動線的照明,設計目標是讓行人在四公尺外能辨認出對面來人的臉部表情。燈具的配置確保步道上沒有連續超過數步的暗段,光不只照地面,也提供足夠的垂直照度落在人的臉上。畫面中兩位行人在步道上相遇,雙方的面部特徵、表情與衣物顏色都清楚可見,不是剪影。周邊灌木被修剪至腰部以下高度,不形成藏匿的暗處,灌木叢後方也有微弱的補光。色溫中性,演色性高,顏色還原正確。避免:只照地面讓人臉變成剪影、出現大片連續的暗段、把灌木畫得高過人身、使用演色性差的橘黃光。