Transform error: Could not find a connection between 'map' and 'arm1'

[boonflies]

I am trying to run RViz, then I receive the error,
Transform error: Could not find a connection between 'map' and 'arm1' because they are not part of the same tree.Tf has two or more unconnected trees.

I checked for,
rosrun tf view_frames
and my tf looks like this,
frames.pdf

And I don't visualize the point cloud properly in RViz but just as a group of white clouds.

what could be reason for the error?

[boonflies]

can you please share a tf model of the entire setup?

[haakonelf]

I have the same problem. Did you find out about it @boonflies ?

[kungfrank]

Hello, I think you guys face the same issue.

#3 (comment)

[boonflies]

I could create maps with TUM_Simualator but when I use the real AR.Drone 2.0 i am facing this issue.

[haakonelf]

@kungfrank So you're assuming the tf tree should be connected as long as one moves around enough ang get a good scale? It doesnt seem to help me