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依据视知觉、人类工程学的理论 ,利用一些直观实验 ,给出了在正常视距 2 5cm时图形直观的最适宜尺寸 2 2cm ,为黄斑下陷区域张角 5°时的尺寸。直观的最大尺寸为 3 5cm ,为黄斑张角 8°时的尺寸。直观的最小尺寸为 0 6cm ,为中央凹张角 1°2 0′时的尺寸。在直观的最大尺寸、最适宜尺寸及最小尺寸下 ,保证图形直观 ,图形包含的适宜的单独图形元素个数为 6个、4个及 1个。二线及二面夹角最直观角度为 90°,最小直观角度 1 0°。这些结论互相关联 ,某些结论与以往的人类工程学成果不谋而合 ,为各种书籍插图、布景、屏幕图案的直观设计提供参考。
According to the theory of visual perception and ergonomics, using some intuitional experiments, the most suitable size of visual intuition of 22cm at normal sight distance of 25cm is given, which is the size when the flaw angle of the macular subsidence is 5 °. Intuitive maximum size of 3 5cm, macular angle 8 ° when the size. Intuitive minimum size of 0 6cm, the concave angle of 1 ° 2 0 ’when the size. In the intuitive maximum size, the most suitable size and the smallest size, to ensure that the graphics intuitive, graphics, the number of suitable individual graphic elements is 6, 4 and 1. The most straight-line angle between the second line and the two sides is 90 ° and the minimum angle of view is 10 °. These conclusions are related to each other, and some conclusions coincide with the previous ergonomic findings, providing a reference for the intuitive design of various book illustrations, sets, and screen patterns.