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measure_lib
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ChampagneX 7ee39336ed
v1.7 		3 months ago
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readme.txt
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函数说明：vs_measurement(txt_name, position )

txt_name：路沿数据文件路径

position：车上某点P与摄像头在X轴（行驶方向）上的偏移量，车头为正，车位为负。

	       若不输入该参数默认为900，指向前车轮中心位置。



返回值 state ， Zw_pos,  distance_pos



state为-1：txt_name所传输的数据无法使用或数据为空

state为0：文件路径不存在

以上两种Zw_pos,  distance_pos都为none



state = 1 ：

Zw_pos返回P点或者默认点对应路沿的高度值

distance_pos返回P点或者默认点与路沿的距离