Comments (11)
darshakwi
commented on July 17, 2024
I was able to solve it by remapping /camera/compressed to /usb_cam/image_raw/compressed
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darshakwi
commented on July 17, 2024
The thing is when I run launch file I am able to echo on topics like /fiducial_images and /fiducial_images/compressed but same is not happening when I perform rosrun with same parameters.
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MoffKalast
commented on July 17, 2024
In that case I suggest you use roslaunch and set up the correct topic remaps as you've already figured out. It defaults to raspicam and it's not intended to automatically detect all image topics on the system, only web streaming nodes have that capability out of any image processing nodes I've ever seen.
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darshakwi
commented on July 17, 2024
Ohh cool, I got it. One more thing that you said about default to raspicam, that is in aruco_detect launch file? Because I am trying to directly run aruco node
from fiducials.
anfederman
commented on July 17, 2024
Can you be more specific?
Are you launching and running the usb_cam node on a robot or remote , and
rostopic echo and rosrun image_view on a workstation?
On the workstation, do rostopic list and rostopic echo show the topics and
video data, but image_view doesn't show anything? If the data is missing or
image view doesn't work on the workstation it might mean the ROS_MASTER_URI
isn't set correctly.
If echo works, but image-view doesn't, I don't know what the problem could
be, perhaps a networking issue. What happens when you run everything from
the workstation? I would try to get that working first. Just ROS, usb_cam
and image_view on one platform. If that works for you, let me know.
…On Tue, Feb 22, 2022, 3:00 AM Trushant Adeshara ***@***.***> wrote:
The thing is when I run launch file I am able to echo on topics like
/fiducial_images and /fiducial_images/compressed but same is not happening
when I perform rosrun with same parameters.
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MoffKalast
commented on July 17, 2024
One more thing that you said about default to raspicam, that is in aruco_detect launch file? Because I am trying to directly run aruco node
Ah my bad, it seems to actually be just "camera" by default, odd.
fiducials/aruco_detect/src/aruco_detect.cpp
Line 673 in 1ae8a13
I'm not sure why you'd want to run it via rosrun though, wouldn't it make more sense to copy paste the existing launch file and set it up the way your system needs it to be?
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anfederman
commented on July 17, 2024
The default aruco_detect in magni_nav launches raspicam_node I think at 420
resolution. I think it would use the Magni default forward raspicam URDF. I
think in breadcrumb, the camera gets flipped 180.
…On Tue, Feb 22, 2022, 9:43 AM MoffKalast ***@***.***> wrote:
One more thing that you said about default to raspicam, that is in
aruco_detect launch file? Because I am trying to directly run aruco node
Ah my bad, it seems to actually be just "camera" by default, odd.
https://github.com/UbiquityRobotics/fiducials/blob/1ae8a13d56fafa436aca181da451c1bf808a288c/aruco_detect/src/aruco_detect.cpp#L673
I'm not sure why you'd want to run it via rosrun though, wouldn't it make
more sense to copy paste the existing launch file and set it up the way
your system needs it to be?
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darshakwi
commented on July 17, 2024
I am running everything directly on the robot and I am using Jetson Nano for this. The thing is I was able to run everything usb_cam, aruco_detect and image_view with launch file but I wish to know the reason why I am not able to visualize in image_view when I rosrun all of them individually considering all the parameters are same.
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anfederman
commented on July 17, 2024
Which version of ubuntu and ROS? I am pretty sure it has worked on a Nano
using an Asus depth CAM and Melodic. Never tested with Noetic. Also not
image_view, but rqt_image_view.
…On Tue, Feb 22, 2022, 8:50 PM Trushant Adeshara ***@***.***> wrote:
I am running everything directly on the robot and I am using Jetson Nano
for this. The thing is I was able to run everything usb_cam, aruco_detect
and image_view with launch file but I wish to know the reason why I am not
able to visualize in image_view when I rosrun all of them individually
considering all the parameters are same.
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darshakwi
commented on July 17, 2024
Ubuntu 18.04 with ROS Melodic
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darshakwi
commented on July 17, 2024
I think I found the issue, due to some reason display for Jetson Nano is acting different which might have caused error in taking long command inputs (extra spaces, missing character). I was able to solve this by using a launch file. Closing this issue.
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Related Issues (20)
- Aruco unit tests do not compile under OpenCV 4.2 (noetic)
- Fiducials helper scripts Python3 Migration
- Aruco detect what frame is used?
- /fiducial_transform not publishing when using USB camera HOT 18
- No detection near the marker HOT 2
- Confusing variable access in imageCallback() and poseEstimateCallback()
- Extreme pose jitter and map doesn't match HOT 2
- map init HOT 1
- Add STag detect
- Exact orientation of tf for Fiducial HOT 5
- Detected 0 markers HOT 5
- This code generates error on ARM64 RPi 4. HOT 2
- fiducial slam incorrect for magni navigation HOT 1
- All topics in root / namespace, difficult for multirobot environment
- TF problem when I detect the aruco markers HOT 10
- Does this only work with ceiling mounted markers?
- on ARM64 Noetic
- Ros2 compatibility
- base_link passed to lookupTransform argument source_frame does not exist.
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