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1.一般地图的相对方位判别没有经纬网、指向标等方向标记的地图,默认为上北下南、左西右东。其相对方位的判别,一般用坐标法。[例1]图1中A在D的什么方向?解法:画一方向标(见图2),把方向标的中心移到要判别的两点之间,这两点坐落的方位,即为它们的相对方位。如A坐落在西北方位,就说明A在D的西北面;D坐落在东南方位,则D在A的东南面。
1.General map of the relative position of the judgment Do not have latitude and longitude network, pointing to the direction of the standard signs such as the map, the default is up north south, left west right. The relative position of the discrimination, the general method of coordinates. [Example 1] What is the direction of A in D in Fig. 1? Solution: Draw a direction mark (see Fig. 2), and move the center of the direction mark to the two points to be distinguished. The orientation of the two points is The relative position. If A is located in the northwest, it shows that A is in the northwest of D; D is in the southeast, and D is in the southeast of A.