日中と夜間における建物ファサードの視覚的変化 : 横浜市の馬車道を対象として

概要

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The purpose of this research is to show the characteristics of visual changes of building facades from the day to the night. In the beginning, luminance and chromaticity distributions on the entire street were investigated. As a result, it has been understood that the luminance of windows and signboards are partially overlapped between at the day and the night though luminance of outside walls are quite different according to the time. It has also understood that the chromaticity of outside walls does not change so much from the day to the night, the chromaticity of windows at night varies greatly by y axis, and the chromaticity of signboards at night is distributed in a high chroma in red color and blue color. Next, visual changes of building facades from the day to the night were classified into the following four types. The first type corresponds to the building that does not emit light and is not illuminated at night, the second type corresponds to the floodlight building, the third type corresponds to the building that leaks lights from inside, and the fourth type corresponds to the building that signboard etc. attached to the facade emit lights. The characteristics of visual changes about the above building types were described specifically. Moreover, it was shown that these classifications were related with functions of buildings.
2007-11-30