Openni_tracker no skeleton data published in /tf

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Hello everybody,

I want to visualize the skeleton transforms in rviz. After starting openni.launch, openni_tracker and doing the psi-pose, i expect the different body-part frames in the tf-topic....but the only frame i receive is called /user, which tracks my position. Am I doing something wrong with the calibration or why are these body-part-frames missing? Or maybe is there something wrong with my tf-Configuration?

Here are the informations i get after "rostopic echo /tf":

transforms:

header: 
  seq: 0
  stamp: 
    secs: 1346418001
    nsecs: 185126405
  frame_id: /openni_camera
child_frame_id: /openni_rgb_frame
transform: 
  translation: 
    x: 0.0
    y: -0.04
    z: 0.0
  rotation: 
    x: 0.0
    y: 0.0
    z: 0.0
    w: 1.0

transforms:

header: 
  seq: 0
  stamp: 
    secs: 1346418001
    nsecs: 63344952
  frame_id: /camera_depth_optical_frame
child_frame_id: /user
transform: 
  translation: 
    x: -0.260202636719
    y: 0.157726348877
    z: 0.974624938965
  rotation: 
    x: 0.0
    y: 0.0
    z: 0.0
    w: 1.0

transforms:

header: 
  seq: 0
  stamp: 
    secs: 1346418001
    nsecs: 285380278
  frame_id: /openni_camera
child_frame_id: /openni_rgb_frame
transform: 
  translation: 
    x: 0.0
    y: -0.04
    z: 0.0
  rotation: 
    x: 0.0
    y: 0.0
    z: 0.0
    w: 1.0

transforms:

header: 
  seq: 0
  stamp: 
    secs: 1346418001
    nsecs: 247788965
  frame_id: /openni_camera
child_frame_id: /openni_depth_frame
transform: 
  translation: 
    x: 0.0
    y: -0.02
    z: 0.0
  rotation: 
    x: 0.0
    y: 0.0
    z: 0.0
    w: 1.0

I use ROS electric and Ubuntu 11.10 Oneric.

Best Regards Flezzo