MarkyMark2012's profile - activity

I'm tracking this issue which covers this https://github.com/turtlebot/turtlebot4/issues/62 I've not had a chance to ch

Just looked at https://github.com/SICKAG/sick_scan/blob/master/launch/sick_nav_3xx.launch. Do you get the same issue if

Hi, My guess is that this has something to do with the driver for the scanner. There are a number of similar issues: e

Hi, My guess is that this has something to do with the driver for the scanner. There are a number of similar issues: e

Thanks for that. Next port of call I think I'll get a new WiFi adapter. Possibly look at the compression to. The WiFi a

Just run iperf in both directions from Robot to PC and back over 60 secs combined average about 34.3Mbits/sec. iwconfi

Thanks - I've updated the question with additional info. Checked other various WiFi stats - no dropped packets (noted: r

depth_image_raw impossibly slow across machines Hi, I've spun up realsense2_camera. Depth messages are being produced o

depth_image_raw impossibly slow across machines Hi, I've spun up realsense2_camera. Depth messages are being produced o

All,

This is just a brief how to on how to resolve Eigen compile time errors - which wasn't installed on my Raspberry Pi.

I kept getting the error:

CMake Error at CMakeLists.txt:12 (find_package): 
By not providing "FindEigen3.cmake" in CMAKE_MODULE_PATH this project has 
asked CMake to find a package configuration file provided by "Eigen3", but 
CMake did not find one. 

Could not find a package configuration file provided by "Eigen3" with any 
of the following names: 

Eigen3Config.cmake 
eigen3-config.cmake 

Add the installation prefix of "Eigen3" to CMAKE_PREFIX_PATH or set 
"Eigen3_DIR" to a directory containing one of the above files.  If "Eigen3" 
provides a separate development package or SDK, be sure it has been 
installed.

And try as I might I couldn't find a conclusive answer. Anyway these steps should solve the issue

1) Download Eigen

hg clone https://bitbucket.org/eigen/eigen/

2) CD into the download dir

 cd eigen

3) Create a build dir

 mkdir build

4) Configure the build

cmake ..

5) Build the package

make

6) Install the package

sudo make install

And all being well that should be it!

Hope this helps

Mark

okay will do later this w/e. At the moment I have the radius of the robot set to 10cm when it should really be 16 (it's

okay will do later this w/e. At the moment I have the radius of the robot set to 10cm when it should really be 16 (it's

This is on a real robot

Hi, Yep I've tried that - I'll have another go. What frustrating is that it all worked really well in Kinetic then upg

Possible to get ROS/Turtlebot to navigate through a doorway? Hi, A seemingly obvious question - but regardless of what

Possible to get ROS/Turtlebot to navigate through a doorway? Hi, A seemingly obvious question - but regardless of what

TBH I've not idea what the problem was. Just ended up deleting the whole lot then seemed to work. On/Off/On scenario

Turtlebot4_msgs Build Issue Not quite sure what's wrong here. Well not yet anyway. Building turtlebot4 repo and getting

Turtlebot4_msgs Build Issue Not quite sure what's wrong here. Well not yet anyway. Building turtlebot4 repo and getting

DWAPlannerROS - Forcing Reverse (Backing out of charging station) Hi, Another difference since upgrading to Noetic (Fro

DWAPlannerROS - Forcing Reverse (Backing out of charging station) Hi, Another difference since upgrading to Noetic (Fro

DWAPlannerROS - Forcing Reverse (Backing out of charging station) Hi, Another difference since upgrading to Noetic (Fro

DWAPlannerROS - Forcing Reverse (Backing out of charging station) Hi, Another difference since upgrading to Noetic (Fro

Hi Mike thanks for that. Yes I'd already noticed this and updated them when I first ran the process (it was producing wa

Navigation Issues between Kinetic and Noetic Hi, Hopefully someone can shed some light on this. I've recently done a ma

Navigation Issues between Kinetic and Noetic Hi, Hopefully someone can shed some light on this. I've recently done a ma

I ended up changing to a Lidar and using Cartographer

Hi all,

This will be a simple question I'm sure. Currently using XTIon running a openni2_camera_node. This depth and rgb images are coming through fine, but that flipped about the Y axis. Is there something I need to set to correct this?

I am using the command below, with the resulting output. The last be is my modification to the code as it wasn't detecting the resolution on the pi

pi@toeminator ~ $ rosrun openni2_camera openni2_camera_node
[ INFO] [1419945763.946308307]: creating image_transport... this might take a while...
[ERROR] [1419945766.605981936]: Tried to advertise a service that is already advertised in this node [/openni2_camera/set_camera_info]
[ INFO] [1419945766.627862571]: using default calibration URL
[ INFO] [1419945766.641525343]: camera calibration URL: file:///home/pi/.ros/camera_info/rgb.yaml
[ERROR] [1419945766.655618108]: Unable to open camera calibration file [/home/pi/.ros/camera_info/rgb.yaml]
[ WARN] [1419945766.668209898]: Camera calibration file /home/pi/.ros/camera_info/rgb.yaml not found.
[ WARN] [1419945766.678064734]: Using default parameters for RGB camera calibration.
[ INFO] [1419945766.683336646]: using default calibration URL
[ INFO] [1419945766.693109483]: camera calibration URL: file:///home/pi/.ros/camera_info/depth.yaml
[ERROR] [1419945766.701483343]: Unable to open camera calibration file [/home/pi/.ros/camera_info/depth.yaml]
[ WARN] [1419945766.711815171]: Camera calibration file /home/pi/.ros/camera_info/depth.yaml not found.
[ WARN] [1419945766.724518959]: Using default parameters for IR camera calibration.
Warning: USB events thread - failed to set priority. This might cause loss of data...
Available depth modes
0: 320x240, 30 fps, 100 format
1: 320x240, 30 fps, 101 format
2: 320x240, 60 fps, 100 format
3: 320x240, 60 fps, 101 format
4: 640x480, 30 fps, 100 format
5: 640x480, 30 fps, 101 format
6: 160x120, 30 fps, 100 format
7: 160x120, 30 fps, 101 format
[ INFO] [1419945768.719023684]: Everything set up... lets stream some images

The images below show the image streamed back as viewed in rqt (top) and bottom is how the scene really looks (I've flipped is manually)

Many Thanks

Mark