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2018-10-04 02:42:31 -0500 commented answer Using PointCloud2 data (getting x,y points) in Python

Hi! Very practical implementation! While occasionally, an error is reported. Any advices? assert isinstance(cloud, r

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2018-09-13 02:57:28 -0500 asked a question Error [Model.cc:932] Unable to find link[link] Error [Plugin.hh:156] Failed to load plugin libgazebo_ros_camera.so: libCameraPlugin.so: cannot open shared object file: No such file or directory

Error [Model.cc:932] Unable to find link[link] Error [Plugin.hh:156] Failed to load plugin libgazebo_ros_camera.so: libC

2018-09-13 02:47:30 -0500 commented question Best Gazebo + ROS versions for installing on Ubuntu 14.04 on vmware

Melodic - 9.x version; Lunar - 7.x version; Kinetic - 7.x version; Indigo - 2.x version (Ubuntu 14.04 ) ; I cross this p

2018-09-13 02:47:15 -0500 commented question Best Gazebo + ROS versions for installing on Ubuntu 14.04 on vmware

Melodic - 9.x version Lunar - 7.x version Kinetic - 7.x version Indigo - 2.x version (Ubuntu 14.04 ) I cross this probl

2018-02-26 02:00:00 -0500 answered a question Failed to load plugin libhector_gazebo_ros_gps.so

I meet the same problem. I fixed it by sudo apt-get install ros-indigo-hector-gazebo-plugins.

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2017-05-24 04:10:47 -0500 edited question cannot store some *.g2o file

cannot store some *.g2o file I use g2o examples tutorial_slam2d in my ros project. I use 'optimizer.save(file.g2o)' to s

2017-05-24 03:50:33 -0500 edited question cannot store some *.g2o file

cannot store some *.g2o file I use g2o examples tutorial_slam2d in my ros project. I use 'optimizer.save(file.g2o)' to s

2017-05-24 03:48:50 -0500 asked a question cannot store some *.g2o file

cannot store some *.g2o file I use g2o examples tutorial_slam2d in my ros project. I use 'optimizer.save(file.g2o)' to s

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2016-08-23 21:13:29 -0500 asked a question ROS parallel computing platforms

Hi, I want to use parallel computing in ROS. I found there are so many platforms, like CUDA, OpenCL, OpenML, OpenMPI, OpenACC, etc. Which should I choose? Welcome to talk to me about disadvantges and advantages in ROS and robot applications. Thx.

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2016-04-18 03:15:16 -0500 commented question Roslaunch got a 'No such file or directory' error while attempting to run: xterm -e gdb --args

I am sorry.Our lab had a network fault in these three days.Just recovery.Yes, I also had tried xterm and this command works good.

2016-04-14 22:37:19 -0500 commented question Roslaunch got a 'No such file or directory' error while attempting to run: xterm -e gdb --args

Many thanks! I have tested gdb and works well manually in other program. In this program, Roslaunch is used to import some configure files.

2016-04-14 21:43:23 -0500 asked a question Roslaunch got a 'No such file or directory' error while attempting to run: xterm -e gdb --args

Hi, guys! I want to debug in ROS Roslaunch. I add

launch-prefix="xterm -e gdb --args"

accoring to this page. When I add this debug line, there is the error Roslaunch got a 'No such file or directory' error while attempting to run:

xterm -e gdb --args /home/catkin_ws/devel/lib/ratslam_ros/ratslam_lv /home/catkin_ws/devel/share/ratslam_ros/config/config_stlucia.txt _image_transport:=compressed __name:=RatSLAMShow __log:=/home/.ros/log/858d4730-029a-11e6-af5e-c83a35db09fb/*-1.log Please make sure that all the executables in this command exist and have executable permission. This is often caused by a bad launch-prefix.

Also, I check the log, and I find the same hint.I found someone solve this.But not mine. I use ROS groovy and Ubuntu 12.04LTS. Thanks.

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