WDGPathSnapshot
代表一次轨迹查询的结果。
points
Section titled “points”@property (nonatomic, strong) NSArray<WDGPosition *> *points;一个数组,包含轨迹中所有的WDGPosition对象。
length
Section titled “length”@property (nonatomic, assign) double length;轨迹的总长度,以米为单位。
latestPoint
Section titled “latestPoint”@property (nonatomic, strong) WDGPosition *latestPoint;当前轨迹中最新的一个点。