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2018-10-11 16:23:45 -0500 | marked best answer | How do you use inverseTimes()? How do you use inverseTimes? From reading the docs, it looks like it should be a member function of Transform(), and take another Transform() as the argument. However, the following code: produces the error:
Is there a different object in tf called Transform that I should be using instead? |
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2015-11-25 08:51:30 -0500 | answered a question | Triggering pip requirements.txt from catkin build As William's answer states, rosdep is the way to go. For example, I can replicate the call to pip by first creating a rosdep.yaml file in my directory with the contents: Then, I modify my package.xml file to include: Then, I created the file /etc/ros/rosdep/sources.list.d/40-my-list.list, which contains the line: Finally, I run: |
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2015-11-24 14:27:08 -0500 | asked a question | Triggering pip requirements.txt from catkin build Is it possible to get catkin build to run pip install -r requirements.txt? Some of the python package dependencies for my package are in version control systems, and because of this I think I need to use pip to install them instead of putting them in setup.py. |
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2015-11-17 08:24:43 -0500 | commented question | Calling rospy.init_node() twice in the same python process I tried that, but ran into problems. From what I can tell, rosbag play on the command line works differently from the rosbag API. |
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2015-11-17 08:20:53 -0500 | commented question | Calling rospy.init_node() twice in the same python process To clarify, by "shut down everything" I mean I kill the rosmaster process and all children at step 4. Hence, I need to call init_node again when the rosmaster and all of its children again, or my subscribers will not work. |
2015-11-17 08:18:52 -0500 | commented question | Calling rospy.init_node() twice in the same python process Yes, I want to play multiple bag files, one at a time, and ensure that there is no leftover information from a previous run that might taint the results. |
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2015-11-17 08:06:04 -0500 | asked a question | Calling rospy.init_node() twice in the same python process I want to use python to batch process data with ROS. This is the process that I would like to follow: For each file/set of variables, from the same python script:
However, the following results in the error:
These are the lines in the rospy specifically that are causing the problem: The variable _init_node_args persists even though the main rosmaster has been killed. How can I reset this variable? |
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2015-09-02 13:06:07 -0500 | commented answer | Loading variables with xacro:include "variables are global" - I don't think this is true for xacro files. For example, this does not send lidar=true to the description: |
2015-09-02 12:20:53 -0500 | asked a question | Loading variables with xacro:include In roslaunch, if I include a file, I can pass it arguments like this: Is there an equivalent for xacro:include? For example: I know I can do this using something like: However, this is not an ideal solution, as I would like to nest my robot_description urdf in a larger definition of robot_description. |
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