A Simplified Estimation of Directional Reflection Characteristics of Building Materials Utilizing Readily Measurable Physical Properties

Abstract

In order to easily obtain data of directional reflection characteristics to be incorporated into the simulation, we considered to identify feature quantity of mathematical models of directional reflection characteristics by using information obtained by employing simplified measurements. We compared detailed data of directional reflection characteristics, which were obtained by the direct measurement method utilizing polarizers in advance, with physical properties such as glossiness, surface roughness and spectral diffuse reflectance measured by using commercially available instruments. From these, it was shown that the relevance of the data to expand the possibility of the simplified estimation methods.