本帖最后由 kong12 于 2009-9-9 22:06 编辑
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; k6 X1 s U ~: \% F6 L% i太平洋战争二维坐标系详解
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: a3 T m2 c6 l+ d4 j% M例如： + q8 M4 j; o- Z8 }0 A0 p8 Z
坐标55,67
; e8 T5 c t. {/ I我们用x，y，分别代表这两个坐标。 x=55 y=67 F/ z0 z6 k6 E; d' y
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。 5 \ {) ]* l( C! l* t# a. D
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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。 $ R7 Z3 ~; m; A; d$ N
如图所示： T/ f- c4 K& t+ r4 C
``````````````$ D, Z% z6 P, Z, h
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4 T8 G( a) X' A8 f" f( b2 ````````````````````│ # r5 _5 N5 Y Z; j A: O' |$ r
```````````````````│ : W Y7 }. B" [ d& L% ^
```````````````````│ 0 q, r# T+ |3 h
```````````````````│ 7 ^8 z( Z% F! }* g
````````───────┼──────→右（x轴） " v) k# T6 \& Z8 r
```````````````````│ 5 Q6 F2 q- Q# c) F; h# w# Q
```````````````````│ % g% }) m# n4 z
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* S; U" l0 I U- x3 A( M/ }/ {; C```````````````````│ " b+ X7 _6 f9 y" w7 V5 v5 {
↓
* j! `% G; A3 T$ V2 ?! A 下（y轴）3 U# w, [4 V+ Z! B( X5 [
````````````````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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