测量两点之间的距离 Topic is solved

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yangweiwei
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测量两点之间的距离

Post by yangweiwei »

我想测量两点之间的距离,怎么办好啊?
BlueDream
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Re: 测量两点之间的距离

Post by BlueDream »

yangweiwei wrote:我想测量两点之间的距离,怎么办好啊?
得知道两点的坐标:(x1,y1) (x2,y2)
d = sqrt((x1-x2)*(x1-x2)+(y1-y2)*(y1-y2))
yangweiwei
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Re: 测量两点之间的距离

Post by yangweiwei »

BlueDream wrote:
yangweiwei wrote:我想测量两点之间的距离,怎么办好啊?
得知道两点的坐标:(x1,y1) (x2,y2)
d = sqrt((x1-x2)*(x1-x2)+(y1-y2)*(y1-y2))
那单位是什么呢?
kingkamg
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Post by kingkamg »

.......................你两点坐标啥单位就啥了
BaddyBoy
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Post by BaddyBoy »

ScreenToClient得到客户区的相对坐标。
单位一般是默认的。。
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