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I want to create a publisher node without using a callback function as the title explains. Have you guys any suggestions?

i was following this tutorial : http://gazebosim.org/tutorials/?tut=r... to create a .yaml config file in order to control my robot's joints, so that did work for me but i want to create just one controller to controll many joints.

i wrote this code but the controllers didn't want to be load :

joint_position_controller:

type: effort_controllers/JointPositionController

joints: joint1

          joint2

          joint3

          joint4

pid: {p: 100.0, i: 0.01, d: 10.0}

any suggestions?

how can we create a node publishing a random data using a class and without using a callback function I want to create a

i tried rostopic info, and i found that my topic is perfectly connected to the nodes.

Yes, i used rostopic echo, and in the first time i had this message : WARNING: no messages received and simulated time

yes, i tested it with rostopic list

the problem is not in the class i think, because the publisher is already bound with the node. but the message isn't rec

i update it, any suggestions please.

i update it

can't publish float64MultiArray messages through a node in c++ Hello, i created a node to publish float64MultiArray to

can't publish float64MultiArray messages through a node in c++ Hello, i created a node to publish float64MultiArray to

no, i didn't copy the publisher and ros::init etc.

can't publish float64MultiArray messages through a node in c++ Hello, i created a node to publish float64MultiArray to

can't publish float64MultiArray messages through a node in c++ Hello, i created a node to publish float64MultiArray to

they are already in the same .cpp file. but it gives me this error

do you know what kind of error is this, and how to solve it?

thanks, i tried what you told me here but it gives me an error "load_parameters: unable to set parameters (last param wa

@gvdhoorn thank you

@mgruhler got it, and sorry

create a .yaml config file to use jointPositionController in order to control a robot joints i was following this tutori

Thank you. yeah, i used rqt_gui in order to control the joints and that worked for me, but i want to declare just one co

create a .yaml config file to use jointPositionController in order to control a robot joints i was following this tutori

create a .yaml config file to use jointPositionController in order to control a robot joints i was following this tutori

create a .yaml config file to use jointPositionController in order to control a robot joints i was following this tutori

create a .yaml config file to use jointPositionController in order to control a robot joints i was following this tutori

i already have std_msgs as a dependency, but it didn't work for me.

data.data does not name a type i create a node in order to publish topic, so i choose std_msgs::Float64 as a type of mes

data.data does not name a type i create a node in order to publish topic, so i choose std_msgs::Float64 as a type of mes