In this post, we will see how to resolve ROS Service to Show Image Question: I’m using Ubuntu 20.04 and ROS Noetic, OpenCV version 4.2.0.34 I’m creating a ros service to show an image: ImgReader.srv The service works well in ...
In this post, we will see how to resolve ROS use two same controllers(drivers) for seperate motors Question: I use ROS Noetic, for an AGV project. I would like to use two controllers/drivers of the same type. In particular, I ...
In this post, we will see how to resolve error is boost shared_ptr and class inheritance Question: I am following this tutorial and writing a ROS nodelet wrapper class for my existing ROS node. But I am getting the following ...
In this post, we will see how to resolve Why would the .text section of my object file be empty? Question: Question I’m compiling the following code using catkin_make. I have a c file schedule_wrappers.c and two c++ files deadline_thread.cpp, ...
In this post, we will see how to resolve ROS2 on multiple machines: ros2 multicast working, talker/listener not working Question: PROBLEM I have installed ROS 2 foxy on 2 computers and trying to run the demo talker on one machine ...
In this post, we will see how to resolve How can I do: subscribe to the data listened from a publisher, make changes and publish it again? [ ROS – Python] Question: First, I want to capture pose values by ...
In this post, we will see how to resolve Creating a roslaunch file that includes nodes from several packages Question: In my Ros Workspace (ws), there are 3 packages in src folder. And in each package, there is a node ...
In this post, we will see how to resolve Linking Error with ROS PCL and Drake: Different VTK versions Question: I have been facing linking issues when including various ROS packages and Drake as libraries, and have narrowed the issue ...
In this post, we will see how to resolve I want to use laser_filters but can’t build it Question: I am using ubuntu 20.04 (noetic). I am trying to use laser filters( http://wiki.ros.org/laser_filters), but I cannot build it. When I ...
In this post, we will see how to resolve Error using element_type has no member named ‘imu’, what can be? Question: I created a C++ ROS2 node that uses sensor_msgs IMU. Included the sensor_msg in the header file, also declared ...