When I use gmapping for save my map , I can alway see the error in tf,
so I check my tf tree, it's right, but when I run rosrun tf tf_echo /map /base_link,
there show
Failure at 1558399180.795866256
Exception thrown:Lookup would require extrapolation into the past. Requested time 40.363000000 but the earliest data is at time 1558399175.095931223, when looking up transform from frame [base_link] to frame [map]
so I echo map and base_link and find that map's stamp is:
When I use gmapping for save my map , I can alway see the error in tf, so I check my tf tree, it's right, but when I run
rosrun tf tf_echo /map /base_link
, there showso I echo map and base_link and find that map's stamp is:
But my odom and base_link and other link are all transfome to secs, just as follow:
So how can I do , can you give me some advice? Thank you for your help!