about offsets

[LinJinghuidev]

What's the use of offsets and how to get the value [ [-42.198200,91.614723,-40.067841], [ 0.103456,1.857829,10.548506], [43.499992,-0.000038,-0.000002], [42.372192,0.000015,-0.000007], [ 17.299999,-0.000002,0.000003], [0.000000,0.000000,0.000000],

   [0.103457,1.857829,-10.548503],
   [43.500042,-0.000027,0.000008],
   [42.372257,-0.000008,0.000014],
   [17.299992,-0.000005,0.000004],
   [0.000000,0.000000,0.000000],

   [6.901968,-2.603733,-0.000001],
   [12.588099,0.000002,0.000000],
   [12.343206,0.000000,-0.000001],
   [25.832886,-0.000004,0.000003],
   [11.766620,0.000005,-0.000001],
   [0.000000,0.000000,0.000000],

   [19.745899,-1.480370,6.000108],
   [11.284125,-0.000009,-0.000018],
   [33.000050,0.000004,0.000032],
   [25.200008,0.000015,0.000008],
   [0.000000,0.000000,0.000000],

   [19.746099,-1.480375,-6.000073],
   [11.284138,-0.000015,-0.000012],
   [33.000092,0.000017,0.000013],
   [25.199780,0.000135,0.000422],
   [0.000000,0.000000,0.000000]
]

[yak1990]

It's in the bvh file, look at lafan dataset