tracklets icon label act as a rectangle

[hjkl7777]

according to xviz and streetscape.gl,the tracklets icon sometimes act as a white rectangle,do not show the original font icon

[twojtasz]

It may be that the object's label is changed or unknown. In order to debug this you would have to look at the state at the timestamp when this occurs and verify the object's state.

Ideally we would have a widget that allows you to see such data, but we haven't built that one yet :(