anthares's profile - activity

Hi everyone, is there any audio_common equivalent package for ROS2?

Thanks in advance, Cheers, G.

@gdvhoorn yes, you are absolutely right. The code throws the exception on: // undeclare interface parameter used in the

@gdvhoorn yes, you are absolutely right. The code throws the exception on: // undeclare interface parameter used in the

@gdvhoorn yes, you are absolutely right. The code throws the exception on: // undeclare interface parameter used in

Exception while initialising JointGroupVelocityController I am getting this exception while using a JointGroupVelocityCo

Hi everyone,

I have defined a custom message:

uint8[] data

The custom message is imported in my Node class with no problems:

from my_shared.msg import MyMessage

In the same Node, I create the publisher with:

self.my_publisher = self.create_publisher(MyMessage, 'topic_in', 200)

and I publish the message with:

self.my_publisher.publish(my_msg)

my_msg is built in the following way:

payload_bitstream = np.fromstring(my_data, np.uint8)
my_msg = payload_bitstream.tolist()

Sadly, I get a TypeError:

File "/opt/ros/eloquent/lib/python3.6/site-packages/rclpy/publisher.py", line 68, in publish
    raise TypeError()
TypeError

Could you help out with this if you know what I am doing wrong pls?

Thanks in advance, G.

Check this out: https://github.com/BrettRD/ros-gst-bridge

Issues rendering Camera feed with Ros2 Rolling and Gazebo Hello everyone. I am using this post https://medium.com/crea

Hi! Have you found a way to properly handle external non-ROS libraries in a ROS2 repository at the end? Thanks, Cheers

Hi there,

How can I start image_transport republish via Launch file?

I tried the following:

import launch
import launch.actions
import launch.substitutions
import launch_ros.actions

def generate_launch_description():

    return launch.LaunchDescription([
        launch_ros.actions.Node(package='image_tools', node_executable='cam2image', output='screen', node_name='cam2image'),
        launch_ros.actions.Node(package='image_transport', node_executable='republish', arguments=[ 
                'raw',
                '--ros-args',
                '-r in:=image',
                'raw', 
                '-r out:=/camera/image_raw'
            ],
            output='screen', node_name='republish')
    ])

But from the log I can see that no images are republished:

[INFO] [launch]: All log files can be found below /root/.ros/log/2020-12-03-15-29-26-520456-db7019ece524-5304
[INFO] [launch]: Default logging verbosity is set to INFO
[INFO] [cam2image-1]: process started with pid [5315]
[INFO] [republish-2]: process started with pid [5316]
[cam2image-1] [INFO] [cam2image]: Publishing image #1
[cam2image-1] [INFO] [cam2image]: Publishing image #2
[cam2image-1] [INFO] [cam2image]: Publishing image #3
[cam2image-1] [INFO] [cam2image]: Publishing image #4
[cam2image-1] [INFO] [cam2image]: Publishing image #5
[cam2image-1] [INFO] [cam2image]: Publishing image #6
[cam2image-1] [INFO] [cam2image]: Publishing image #7
[cam2image-1] [INFO] [cam2image]: Publishing image #8
[cam2image-1] [INFO] [cam2image]: Publishing image #9

What is wrong with my setup? Any idea?

Thanks!

Cheers, Anthares

I have changed the way that I define the params for image_transport: def generate_launch_description(): return laun

image_transport republish via LaunchDescription and remapping Hi there, How can I start image_transport republish via

Issues sourcing ROS after building Hi there, I have built Rolling for ARM using Docker. Everything seems to work find i

Issues sourcing ROS after building Hi there, I have built Rolling for ARM using Docker. Everything seems to work find i

Issues sourcing ROS after building Hi there, I have built Rolling for ARM using Docker. Everything seems to work find i

I had the same issues: Colcon failing on BBB when building orocos_kdl and/or some other random packages. I have reduced

hey! thanks for your answer. I tried to follow your steps. mimick_vendor builds with no issue on a BeagleBone Blue too.

Hi. Out of curiosity, have you found a solution to this? I am working with Foxy and adding manually the required pac