本帖最后由 kong12 于 2009-9-9 22:06 编辑 & F2 x) ^0 P, X1 d* G1 e4 [
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太平洋战争二维坐标系详解
: x4 r8 ?1 R: V( `0 f6 y
# [$ E' G4 o. T8 ?0 |例如：
4 Q; R4 [ t, V5 `! ?0 k坐标55,67 5 ^0 c' G, d# Q0 W" Q
我们用x，y，分别代表这两个坐标。 x=55 y=67+ A4 C! u, _+ g3 q( i. f
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。
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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。
4 @* T* h3 T+ @0 t- ]' n# g如图所示： 7 D( Y7 R, T8 D1 m
``````````````- L3 Q7 S4 \6 ]6 M, g2 B6 q/ I+ A
``````````````````` ( b I, g# c, |8 z* n& d9 a$ D
```````````````````│
6 O4 r1 P! U8 a0 d* I4 J```````````````````│
$ H: e& m1 a# I; h% b7 r- G```````````````````│ # I0 \8 G6 n9 n3 p8 O# m+ v
```````````````````│ " c" \/ e3 N7 D0 @; c0 s
````````───────┼──────→右（x轴）
& I- W4 E4 I! m$ ^) n```````````````````│ 0 J0 w6 ~6 O/ U7 W+ G1 z5 b2 I( ?
```````````````````│ 3 V0 U, a* X9 o* e: [0 `5 e# s
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2 T. C5 w/ G" s% O```````````````````│ ! T# ^6 C! h- v# c3 Z
↓9 k( F( J, G% Q6 }5 C
下（y轴）
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发表于 2009-9-8 19:34
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