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Handling Date/Time parameters issues in rosparam/paramserver?

I'm wondering how to correctly set/get date/time parameters in the parameter server or if there is possibly a bug. On a freshly started roscore I do: rosparam set /date1 2011-07-11T18:04:00 Now I get...

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Connect to the parameter server from Windows?

Dear ROS users, I am developing the system that user input is done in windows, and ubuntu + ROS system controls a robot based on the user input. What I need is only to read/write parameters on ubuntu...

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Roslaunch with Arguments

Is it possible to spawn a different URDF to the param server depending on the different configurations of my robot from a single launchfile. I will also launch controllers specific to that robot...

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project structure question concerning dynamic reconfigure and the parameter...

I have a system with many nodes, some written in C++, and some in Python. When devising the original "block diagram" for the system, I defined a parameter `/operating_condition` that is basically like...

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How to reconfigure dynamically the parameters that aren't latched to...

`Parameters` can be declared w/o being associated with any node ([ref](http://answers.ros.org/question/11914/how-to-declare-common-parameter/)). Looks like...

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doubt about xacro

Hi everyone! I have a doubt about XACRO. Is possible from xacro to read a parameters in the Parameters Servers? Thanks!

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Set parameter list using XmlRpc

Hi, I need to set some ros parameters where one of them is a list of strings. I'm using C++ but cannot find an example of how to do it. I currently have a list `std::vector` which I want to set in the...

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Sharing a matrix/graph, maybe with the parameter server?

For a range of experiments I need to be able to define the adjacency matrix for the various robots to define a connected graph. What is the best way to have such a graph/matrix be available to all the...

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param server C++ lists

I'm defining config vectors through the param server using yaml files: sample: *velocity_controller/velocity_max: [0.3, 0.2, 0.2, 0.0, 0.0, 0.5]* If I want to parse these vectors from a python node I...

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How to Simultaneously Modify Parameters for Multiple Nodes?

Following this tutorial on "Understanding ROS Services and Parameters" (not allowed to add a link) (12.04, hydro) Question: how can one use `rosparam` to affect more than one turtlesim? The lines below...

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Why can't I 'get' my rosrun parameters?

I have a node that should be able to run other nodes. It has a basic method of doing so using system("rosrun myproject Robot robotname:='Botty'"); This should set the parameter robotname to 'Botty'. In...

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set bool param failed

The code is: ros::NodeHandle nh_private("~"); bool state=false; nh_private.param("state", state, "false"); It turns out the "state" is "true". Why???

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Sensor Camera on Gazebo: Could not find parameter robot_description on...

hi all, i'm trying to create a sensor camera on [gazebo](http://www.ros.org/wiki/gazebo), but i have this message on the terminal when i run the launch file: [ERROR] [1323711066.531080823]: Could not...

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Can you write unittests that use the parameter server?

I'm trying to write unittests (in python) that use the parameter server. I'd like to load some parameters from a test yaml file, and use something *like* the `rospy.get_param()` functionality. The...

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dynamic reconfigure callback happens automatically when a node is launched...

I am using dynamic_reconfigure in my node to adjust some params dynamically. I found that the first callback for dynamic reconfigure happens when the node is launched, specifically when I define the...

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Can global parameters be used with dynamic_reconfigure?

Hi everyone, when using dynamic_reconfigure, the parameters used are linked to specific nodes. For example, if there is a **cfg/MyConfig.cfg** file with a parameter such as **gen.add('my_param',...

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