jacki's profile - activity

ros time stamps of multi hosts when i finished configuring connection between two hosts in LAN and use shared topics of

later i decide to write my own nodes to run ndt-matching ,it is smaller and easier to handle customized changes.i have f

Autoware: tf error in running my own bag when i do localizing using ndt_matching of autoware with my own bag and my own

i'm installing cartography,when i executing the command

rosdep install --from-paths src --ignore-src --rosdistro=${ROS_DISTRO} -y

in https://google-cartographer-ros.readt... always turn to executing command

sudo -H apt-get install -y python-sphinx

however,i'm using python3 and the rosdep version in my ubuntu20.04LTS is python3-rosdep,why it will turn to install python-sphinx?i think the right sphinx version for this is python3-sphinx and i apt-get install it and it does be installed ,then it still reports the same error.therefore i am stuck in the above commands.

here are the errors:

Reading package lists... Done
Building dependency tree       
Reading state information... Done
Package python-sphinx is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source
However the following packages replace it:
  sphinx-doc sphinx-common

E: Package 'python-sphinx' has no installation candidate
ERROR: the following rosdeps failed to install
  apt: command [sudo -H apt-get install -y python-sphinx] failed

i solve it by ignoring it .

i solve it by ignoring it .

thanks for answering，i just install python3-sphinx by apt and ignore “rosdep install --from-paths src --ignore-src --ros

rosdep doesn't "see" Python 3 package i'm installing cartography,when i executing the command rosdep install --from-p

rosdep doesn't "see" Python 3 package i'm installing cartography,when i executing the command rosdep install --from-p

rosdep doesn't "see" Python 3 package i'm installing cartography,when i executing the “rosdep install --from-paths src -

rosdep doesn't "see" Python 3 package i'm installing cartography,when i executing the above commands in https://google-c

rosdep install --from-paths src --ignore-src --rosdistro=noetic -y i'm installing cartography,when i executing the above

i've tried the methods above and i stiil encounter problems.The python script needs some dependencies that i can't solv

thanks for helping! the bag file is from "kinetic".but when i work on installing bag_tools,it hints me to install srv_to

"Failed to transform from frame [/velodyne] to frame [velodyne]" when i display a topic from bag,rviz reports an error "