本帖最后由 kong12 于 2009-9-9 22:06 编辑 f# ?9 e5 k9 t" N- n( `9 V, m
( q! ?2 ]2 ~4 G7 e5 H太平洋战争二维坐标系详解
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例如： # ~4 J! j' ~, P8 K
坐标55,67
+ z9 B/ t0 i4 \/ j5 ]5 Y我们用x，y，分别代表这两个坐标。 x=55 y=67
6 l& Y& q* l: b5 ?* J4 ~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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* E/ c, C8 g: E, D9 }; y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。 # [: n5 ?2 m, M) S4 \& k
如图所示： ) d) d" | V& s: R w
``````````````/ R# j1 W0 R" v' S5 X5 @, e6 a) |
``````````````````` 7 F8 O4 o0 S7 F) Q
```````````````````│ / n* ]" P/ R. a( _$ Z
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$ a) C2 f! ?# i) V% P$ \* @7 c```````````````````│ " ]+ z; O J' |' j) G7 T
```````````````````│ : E8 T3 E8 R6 K/ F! \
````````───────┼──────→右（x轴） ! @! {9 ]! m4 ~9 |8 I0 p5 `
```````````````````│ " d1 B9 r) S- G) C% r" s# o
```````````````````│
& n, r e& ~, _```````````````````│
- h. E1 p2 K* J+ R) p```````````````````│ + d) d b+ V @8 u0 ~+ o
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````````````````太平洋战争二维坐标系 | 
发表于 2009-9-8 19:34
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发表于 2009-9-9 21:33
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