Abstract
This report deals with the visually perceived shape of space. For that purpose, the investigations are carried out about the perceptions of distance, ratio of distance, continuity, division, and leading direction. To consider the visually perceived shape of place from the point of view of the perceptions of direction, the way of thinking of 'visual guidance' in highway traffic engineering is introduced, and representations of the visually perceived shapes of places from that viewpoint are shown. The summary of the results are as follows 1.The depth and the ratio of depth to width of space are estimated a little smaller than the actual value. 2. The ratio of the height of the front to depth of space is estimated a little bigger. 3.The ratio of the height of the side to width of space is estimated correctly. 4.The range of 'image visual field' is varied correspondent to the constitutional form of visual space. 5. Visual guidance corresponds to the perception of spaciousness of space and varies as the change of the constitutional forms of vsual spaces. 6.The perceptional continuity of shape is in proportional to the size of the partition. 7. Visual guidance can be explained by the depth and the shape of the floor, and the areas of walls which constitute visual spaces.