tuto tracking

https://www.dropbox.com/s/6pwzhiaoz8xjbde/VID_20171019_084525.mp4?dl=0
https://www.dropbox.com/s/ln4d45oocdj84lf/VID_20171019_084547.mp4?dl=0

 

exemple tracking

https://www.dropbox.com/s/ln4d45oocdj84lf/VID_20171019_084547.mp4?dl=0