Copter 4.1.0 with T265 Indoor test, sometime EK3 filter velocity estimate z error

[WangLouis]

Good afternoon,

sorry, i forgot open permissions for last log… I set it up.

I have experience using lidar~ altitude accurate is very well. But some environments are not suitable.

HereFlow Optical Flow Sensor Testing

@rmackay9 Thank you for your reply and suggest. I tried to fly under the bridge, but if under bridge have water flow, optical flow & lidar data is bad. I will try to do this issue and keep the track of issue.

I want to using T265 + Baro fly under the bridge~