互见度 Intervisibility
教学指引
以下示范如何以 ARGEO Portable 教导互见度单元。
The following demonstration shows the teaching procedures of intervisibility by using ARGEO Portable.
选择一个「预设地形(Preset Terrain) 」或使用「地形塑造 」功能建设一个地形,以下以在「地图Map C Preset Terrain」分辨E点到F点的互见度为例子。
Select a landform from “Preset Terrain” or use “Terrain Modifying” function to create a landform. The following example is to determine the intervisibility of point E to F in “地图Map C Preset Terrain”.
绘画E点到F点的横切面图。(参阅横切面指引)
Draw the cross-section between point E to F. (Refer to cross-section guideline)
分辨横切面图中的两点是否互见。
Determine the two points in the cross-section are visible or not.
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