Abstract
The purpose of this study is to extract the environmental meaning from the perceived similarities among places. Four experiments were performed. The experiments were to sort the color photographs into categories on the basis of some aspects of physical features. The photographs used in the experiments were the outdoor space which consist of two buildings. Through the multidimensional scaling SINDSCAL analysis of perceived similarities, the following physical features were extracted : the disposition pattern of the two buildings, the difference of height, the similarity of facades, and soon.