Closed jsalfity closed 8 years ago
Can you see the point cloud if you look at the camera's point cloud topic, e.g., /camera/depth_registered/points (if this topic exists in your case)?
With respect to the handles/grasps, is there any terminal output that indicates that grasps/handles have been found?
@atenpas Yes, there are definitely images coming through the /camera/depth_registered/points topic when I use PointCloud2 in rviz. They are the point cloud images that I would expect.
When I try $ rostopic echo /localization/handle_list
I get the message:
ERROR: cannot load message class for [handle_detector/HandleListMsg]. Are your messages built?
Even if handles haven't been found, I would still think I would be able to see the output from /localization/point_cloud
. Did my hunch of the /localization not being connected to /tf raise any suspicion?
Thanks for the help!
Realized I wasn't subscribing to the topic /camera/depth_registered/points
correctly
Worked.
@jsalfity
even im getting same error can u let me know where i went wrong
when i run point cloud i got like this
Hi, I'm not seeing the data in rviz. I'm referencing the instructions from step 6 of the wiki.
Rviz is not showing anything but the grid and I think I know why, but would like some reassurance and guidance if possible. Here's what I see in rviz after setting Fixed Frame to![screenshot from 2016-08-03 15 25 33](https://cloud.githubusercontent.com/assets/20803806/17384118/9bbe6232-598e-11e6-9d89-fe2df79390a6.png)
camera_link
, PointCloud2 to/localization/point_cloud
and MarkerArray tolocalization/visualization_all_handles
I would expect to see at least the point cloud data if localization did not recognize any handles
I'm launching an Xbox camera with
roslaunch freenect_launch freenect.launch.
At this point I don't have an actual robot running so I don't have anything else but thecamera_link
as a coordinate frame.My output from![frames](https://cloud.githubusercontent.com/assets/20803806/17383765/9c7901e8-598c-11e6-98de-8eadf8bb8080.png)
rosrun rqt_tf_tree rqt_tf_tree
(to view the /tf tree) looks like this:My output from![rosgraph](https://cloud.githubusercontent.com/assets/20803806/17383540/51dc8598-598b-11e6-82a9-a603fd31d76e.png)
rqt_graph
looks like this:So... I think I know why there is no output in rviz, its because there is no link between /tf and /localization.
Can anybody drop any hints if I'm on the right track, if there are solutions out there or if I'm just plain way off.
Thanks!