Rviz bug: transform from the same frame does not exist

asked 2011-08-27 05:39:13 -0600

Anas
126 ●3 ●4 ●8

updated 2016-10-24 08:33:44 -0600

ngrennan
1 ●1 ●1

Hi,

I am getting a weird error from rviz when trying to show Laser Scan:

Transform [sender=/kinectFRMI] For frame [/openi_depth_frame]: Frame [/openi_depth_frame] does not exist

It is the same frame why needing a tf ?

I am trying to get fake laser scan from the point cloud /camera/rgb/points. And I wrote the node inspired from pointcloud_to_laserscan.

The topic /camera/rgb/points is publishing normally.

Thank you,

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Can you confirm that both your fixed frame and target frame are set to /openi_depth_frame (target frame could be set to fixed frame and it should work if the fixed frame is correct)? Also, double check for a misspelling since the default is openni_depth_frame if I recall correctly.

Eric Perko ( 2011-08-27 13:11:00 -0600 )edit

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answered 2011-08-27 19:52:36 -0600

tfoote

58457 ●128 ●550 ●526 http://www.ros.org/

Is this just a typo openni vs openi ?

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I will verify monday, I hope it's just that ! thank you

Anas ( 2011-08-28 03:33:55 -0600 )edit

Oups that really was a typo ! thank you everyone

Anas ( 2011-08-29 03:23:27 -0600 )edit

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answered 2011-08-27 12:28:13 -0600

dornhege

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Is it working, i.e. do you get a display, when you handtype your frame as fixed frame, and you just worry about the message?

The error message would be OK as there is no tf, but rviz should display the data in that case.

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Hi, I get a display in rviz for the point cloud, from the kinect. And rostopic echo /scan show that there is data in this topic ... the problem is when I try to show /scan in rviz I get the error ! PS : in my laserScan I specified the frame at /openi_depth_frame which exist in tf

Anas ( 2011-08-27 12:38:32 -0600 )edit

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Rviz bug: transform from the same frame does not exist

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