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2013-05-25 08:00:54 -0500 commented answer GUI Catkin Qt5 Cmake

You could also grab the template files from https://github.com/stonier/qt_ros/tree/groovy-devel/qt_create/src/qt_create/templates/qt-ros

2013-05-25 07:59:48 -0500 commented answer GUI Catkin Qt5 Cmake

Hmm. It looks like the source (https://github.com/stonier/qt_ros) doesn't match up to whats actually being installed when ros-groovy-qt-ros is installed. Perhaps you could manually install that package and try again.

2013-05-24 15:04:35 -0500 answered a question GUI Catkin Qt5 Cmake

On groovy you'll want to use catkin instead of rosbuild. Perhaps you were following a guide based on fuerte or earlier

Check out this tutorial http://www.ros.org/wiki/qt_create/Tutorials/Qt%20App%20Templates

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2013-05-21 16:15:29 -0500 asked a question Cannot read from rosbag

I have recorded a rosbag (600 mb) that must've not exited cleanly because attempts to read it ask for it to be reindexed.

After I reindex the bag then try to read it I get the following error:

rosbag info [...].bag

    Traceback (most recent call last):
      File "/opt/ros/groovy/bin/rosbag", line 35, in <module>
        rosbag.rosbagmain()
      File "/opt/ros/groovy/lib/python2.7/dist-packages/rosbag/rosbag_main.py", line 828, in rosbagmain
        cmds[cmd](argv[2:])
      File "/opt/ros/groovy/lib/python2.7/dist-packages/rosbag/rosbag_main.py", line 146, in info_cmd
        print(b)
      File "/opt/ros/groovy/lib/python2.7/dist-packages/rosbag/bag.py", line 422, in __str__
        start_stamp = min([index[ 0].time.to_sec() for index in self._connection_indexes.itervalues()])
    IndexError: list index out of range

I am not able to read any messages from it using the python api either. Are there any other ways I might be able to extract the data from this bag?

This questions seems to be the same as (http://answers.ros.org/question/11153/problem-with-rosbag-reindex/) but I wasn't able to find anymore information about it.

Thanks

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2013-01-07 21:46:49 -0500 answered a question dynamic_reconfigure and catkin

I believe there is a way do generate the files using catkin:

In your CMakeLists.txt

#add dynamic reconfigure api
find_package(catkin REQUIRED dynamic_reconfigure) generate_dynamic_reconfigure_options(relative_path_to_file1 relative_path_to_file2 ...)

From the dynamic reconfigure tutorial: http://ros.org/wiki/dynamic_reconfigure/Tutorials/HowToWriteYourFirstCfgFile