森林の鳥瞰図の作成

概要

論文の詳細を見る
The study on the landscape has recently become an interesting subject. As a course in the bird's-eye view technices, main themes in this report are as follows. (1) Effective treatment for elimination of the hidden line. (2) How to express the aspect of the forest. In the problems of the hidden line, following principles are applied. (i) Assuming that a foremost grid-line is visible, next grid-line is invisible when located lower than front grid. If not so, it is visible. (ii) When both sides of a grid-line are visible, the grid-line is visible entirely, and when one side or both sides are invisible, the grid-line is invisible entirely (Fig. 1, Fig. 2). For the purpose of expressing the aspect of the forest, the marks that are symbolized tree form are arranged on the grid-line (Fig. 3, Fig. 4). The results obtained from this method are shown and summarized as follows (Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Fig. 10). It may be given as a conclusion that elimination effect of the hidden-line is fairly successful but expression of the forest is not so efficient.
信州大学農学部の論文