本帖最后由 kong12 于 2009-9-9 22:06 编辑 6 o* J1 u9 {; Z( R& g% q* h4 S
" L. f3 R0 D! }5 [太平洋战争二维坐标系详解
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. d$ D- S3 p* y# {0 O% d) S Y例如:
% G* X) m9 `& e* X7 ?- j坐标55,67
% ]+ h( ^) J; E4 j$ @ {/ k% g9 G m我们用x,y,分别代表这两个坐标。 x=55 y=672 S g5 B7 t8 ~0 ]- u
那么,x就是指向正右的,y是指向正下。大地图最左上角是零点。 0 y1 ^% [3 ^" w+ x0 k f6 N
' i% B! z. p H |2 O值得注意的是,我们这里的坐标不是象大家所想的那样,它不同于常用的平面直角坐标系。
- B" S1 J1 D8 `9 _1 V如图所示: $ H$ A% m$ O9 t" {# B
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````````───────┼──────→右(x轴)
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↓
8 M9 D+ l+ ~5 A. |4 x 下(y轴)6 O& q9 p- y9 J, ^- @
````````````````太平洋战争二维坐标系 |