//Trajectory stream file description with an example

Filename: "trajectoryStream_00000510.txt"

//Frame 510 is the frame where the tracking started
//The initial 3D positions were reconstructed at frame 510 
//Forward tracking (511, 512, 513...) and backward tracking (509, 508, 507) were performed. 

NumPoints 2764             //Number of trajectories
Pt 42.0769 86.488 -219.402 22 22 24            //Initial Info of Point1: x(0) y(0) z(0) R G B
ForwardLength 84	//Forward tracking result length
x(1),y(1),z(1),x(2),y(2),z(2),.........		//3D coordnate at each forward frame
BackwardLength 54	//Backward tracking result length
x(-1),y(-1),z(-1),x(-2),y(-2),z(-2) ...		//3D coordnate at each backward frame

Pt 42.0769 86.488 -219.402 22 22 24            //Initial Info of Point2: x(0) y(0) z(0) R G B
ForwardLength 60	//Forward tracking result length
x(1),y(1),z(1),x(2),y(2),z(2),.........		//3D coordnate at each forward frame
BackwardLength 72	//Backward tracking result length
x(-1),y(-1),z(-1),x(-2),y(-2),z(-2) ...		//3D coordnate at each backward frame