Rajeswari's profile - activity

It is not there in the path /opt/ros/electric/stacks/turtlebot/pointcloud_to_laserscan/lib/ ...

I just started working on navigation stack for the robot which we are building in our lab. The idea is to navigate the robot using navigation stack with kinect. For doing this I want to convert the point cloud to laser scan data. fake_laser.launch from rbx_vol_1 package is the launch file I am using to do this process.

But I am getting the following error continuously. Please give me your suggestions to rectify this problem.

[ERROR] [1351918916.523691265]: Failed to load nodelet [/pointcloud_throttle] of type [pointcloud_to_laserscan/CloudThrottle]: Failed to load library /opt/ros/electric/stacks/turtlebot/pointcloud_to_laserscan/lib/libcloud_to_scan.so. Make sure that you are calling the PLUGINLIB_REGISTER_CLASS macro in the library code, and that names are consistent between this macro and your XML. Error string: Cannot load library: /opt/ros/electric/stacks/turtlebot/pointcloud_to_laserscan/lib/libcloud_to_scan.so: cannot open shared object file: No such file or directory
[FATAL] [1351918916.524293511]: Service call failed!
[ERROR] [1351918916.529819578]: Failed to load nodelet [/kinect_laser_narrow] of type [pointcloud_to_laserscan/CloudToScan]: Failed to load library /opt/ros/electric/stacks/turtlebot/pointcloud_to_laserscan/lib/libcloud_to_scan.so. Make sure that you are calling the PLUGINLIB_REGISTER_CLASS macro in the library code, and that names are consistent between this macro and your XML. Error string: Cannot load library: /opt/ros/electric/stacks/turtlebot/pointcloud_to_laserscan/lib/libcloud_to_scan.so: cannot open shared object file: No such file or directory
[FATAL] [1351918916.530459837]: Service call failed!
[ERROR] [1351918916.530977995]: Failed to load nodelet [/kinect_laser] of type [pointcloud_to_laserscan/CloudToScan]: Failed to load library /opt/ros/electric/stacks/turtlebot/pointcloud_to_laserscan/lib/libcloud_to_scan.so. Make sure that you are calling the PLUGINLIB_REGISTER_CLASS macro in the library code, and that names are consistent between this macro and your XML. Error string: Cannot load library: /opt/ros/electric/stacks/turtlebot/pointcloud_to_laserscan/lib/libcloud_to_scan.so: cannot open shared object file: No such file or directory
[FATAL] [1351918916.531440794]: Service call failed!

Hello all, I am trying to connect Arduino UNO board with my PC. While following the instructions given in this link link text I got this error in the second step of installing dependencies for rosserial_arduino package.

Failed to find rosdep gcc-avr for package rosserial_arduino on OS:ubuntu version:oneiric rosdep install ERROR: failed to install gcc-avr

But when i tried to install gcc-avr using sudo apt-get install gcc-avr i got the message

Reading package lists... Done Building dependency tree Reading state information... Done gcc-avr is already the newest version.

How to link the ROS and gcc-avr installed in the system.

Please help me to fix this problem.

Please use this stack https://wu-ros-pkg.svn.sourceforge.net/svnroot/wu-ros-pkg/stacks/urdf_tools/trunk/ ... it will solve the problem....

In simmechanics_tutorial package while executing this command

"rosrun simmechanics_to_urdf convert.py planar_arm/TEST_ARM_ASSY.xml planar.yaml xml > planar.urdf"

I got this error message

tf.ExtrapolationException: Lookup would require extrapolation at time 1329408545.377270937, but only time 1329408545.388077021 is in the buffer, when looking up transform from frame [/Base-11CG] to frame [/XBase-11]

I think i have to create a bag file to record the transformation info. If this is right please tell me how to create a bag file script in python.

Otherwise Is there any other way to solve this problem???

I have converted CAD file from solidworks to physical XML using simmechanics link in matlab for a 5 DOF arm. In the next step of converting this xml to URDF i got this same error message. It will really helpful if someone give me the insight of this problem.

Thanks in advance

yes i have added pr2_arm_kinematics_constraint_aware as a dependence in the manifest.xml file...

As i am new to ROS platform i need some guidance to use arm_kinematics package for solving FK and IK for basic 5 DOF. In order to understand this package i followed the pr2_kinematics tutorials. But i am getting message while executing the command "rosrun pr2_arm_navigation_tutorials get_fk"

waitForService: Service [/pr2_right_arm_kinematics/get_fk_solver_info] has not been advertised, waiting...

after this there nothing is displaying.Previous to this i got error message

cannot launch node of type [pr2_arm_kinematics_constraint_aware/pr2_arm_kinematics_constraint_aware]: Cannot locate node of type [pr2_arm_kinematics_constraint_aware] in package [pr2_arm_kinematics_constraint_aware]

but pr2_arm_kinematics_constraint_aware.cpp is available in pr2_arm_kinematics_constraint_aware package and it has been added in CmakeList.txt file and also this package path is available in ROS_PACKAGE_PATH variable.I confirmed it by using rospack find command.

Please help me to solve this.

Regards, Rajeswari