frame axes trail

[christian-rauch]

Description

Add the option to add a trail (Ogre::RibbonTrail) to the frame axes display. This replicates the "Show Trail" features from the RobotModelDisplay. This implements and fixes #1627.

The ribbon trail will show the path a frame took. However, when the frame axes and ribbon trail is initialised, it will show a trail from the origin to where the frame is spawned. I am not sure if this intended behaviour that is also present in the RobotModelDisplay view.

Edi: I think the problem simply stems from the visualisation of the axes scene node which is rendered at the origin before the first frame pose has been received.

Checklist

• If you are changing GUI, please include screenshots showing how things looked before and after.
• Choose the proper target branch: latest release branch, for non-ABI-breaking changes, future release branch otherwise.

[rhaschke]

Thanks for this contribution!

[christian-rauch]

Feel free to squash your fixes into my commit.

@rhaschke Do you have an idea how this "jump" from the origin to the first frame pose can be eliminated?

[rhaschke]

Do you have an idea how this "jump" from the origin to the first frame pose can be eliminated?

I think I resolved that issue already in 371d3bd. In which use case do you still observe it?

[christian-rauch]

I think I resolved that issue already in 371d3bd. In which use case do you still observe it?

Yes. The frame itself is not shown before a pose is set. But once a pose is set, I still see a trail from the origin to that pose.

[rhaschke]

Not for me (origin is of course at the base of the robot):