本帖最后由 kong12 于 2009-9-9 22:06 编辑
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0 |' c$ H+ n: _8 |6 M% N6 j w太平洋战争二维坐标系详解
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- O, d- T) H+ X" c) {& q例如：
4 G% s' S7 L/ _9 S! p0 }% G坐标55,67
) M# c: p# B# }8 l8 l我们用x，y，分别代表这两个坐标。 x=55 y=671 L! X ~" {, f: `& z2 X1 V
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。 . x. \4 L& ~3 M6 D) u
1 h3 ]9 M l4 x3 J+ I% P1 ?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。
8 `* M& p9 W1 H8 E x8 `6 f如图所示：
. Y4 Q2 x- M6 o: Z' o, }: V ``````````````' K9 K# ^6 o: v1 Y8 o3 j
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8 Q5 G S+ `7 N```````````````````│ 6 I; `" i" S7 \* b1 A0 Z, x
```````````````````│ 4 i/ t; @$ ^5 L: q
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4 W8 m: [. F S- A, m````````───────┼──────→右（x轴） / w% L2 T5 l9 ?
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( v) k7 S' Q: s- `' {5 k6 ~```````````````````│ - ]2 Z* q* {8 @9 ?9 D, {
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0 X% @4 f5 F: q```````````````````│ 2 u4 `' c4 b6 S5 y% e
↓( ~! f/ W( v4 }" n# O8 o6 {
下（y轴）$ m' E* w$ R9 Y5 ~9 ~" X. X% T& M
````````````````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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