difference in mot data fields

[fcakyon]

Thanks for this awesome package!

I have a question on the mot data format you need. Here you require the last 3 elements of each line to be Confidence, ClassId, Visibility but in original MOT challenge format these fields are world coordinates and should be left empty for 2D metric calculations: https://motchallenge.net/instructions/.

I dont understand the difference between original MOT format and motmetrics MOT format.