Landscape lighting, as an important means of shaping a livable night environment, enhancing residents' pride, promoting night activities, and driving night tourism, can effectively enhance the city's image and charm. Cities at all levels are developing and constructing. With the increase in the construction of landscape lighting, many unreasonable phenomena such as light pollution and excessive lighting have emerged. At the same time, the effects cannot be implemented, there are significant differences from the renderings submitted by designers, and acceptance cannot be achieved. The demand for quality evaluation of landscape lighting effects is increasing among designers, users, and regulatory authorities
Landscape lighting detection requires measuring local brightness or the overall brightness of the building in order to accurately evaluate whether the original design effect has been achieved.
. If the hierarchy is represented by comparing the brightness between different components, it is necessary to know the brightness on a certain component separately, and at this time, other unrelated components do not need to be included in the measurement area; When measuring the surface brightness of the overall building, it is necessary to distinguish the sky, ground, and other adjacent buildings. Figures 1 to 3 show three common landscape lighting methods. Figure 1 adopts a top, middle, and bottom three-segment lighting method, which requires testing the average brightness of the roof and columns. Figure 2 adopts local floodlighting method and requires testing the local brightness of a unit. Figure 3 adopts the overall floodlighting method and requires testing the overall average brightness of the facade. The characteristics of landscape lighting determine that the brightness testing method that can accurately select the testing area has more practical significance
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