本帖最后由 kong12 于 2009-9-9 22:06 编辑 1 ?6 w" d9 p1 l& D
+ D8 W! i4 ^4 j+ Q9 W, J太平洋战争二维坐标系详解
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例如： . `: T2 d" z0 E; P
坐标55,67 3 ` e, S4 X7 M: V' S# X
我们用x，y，分别代表这两个坐标。 x=55 y=67
- p) _; l( t* N2 T$ W4 |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。 ' L* Q# \" D% w
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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 @ Q& v% j# j
如图所示： * G$ {5 {! p7 O
``````````````0 Q r( s+ o( j( c# M: A
```````````````````
- h9 D) k' ^! T```````````````````│
, H/ G5 W0 }, }" \+ |4 D; ^```````````````````│
4 D4 s* z* P( }* ]```````````````````│ 2 I" M& W& \; N+ t
```````````````````│ 4 j, v( u; t) o
````````───────┼──────→右（x轴） . r z; i1 f( c: y$ X, s
```````````````````│
# N& L) m: W1 y+ ~+ h% u6 q```````````````````│ / x9 w. x' d' l' N1 z/ |
```````````````````│ 4 Z8 X8 J- Z$ ^( W1 y+ b/ E
```````````````````│ , S4 |. h& [7 R/ ]0 I7 @+ x; I+ X
↓0 f) g/ _5 y8 y
下（y轴）5 y1 l5 t& `) B) ^, n1 M! b Y" `
````````````````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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