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Cam Salzberger


Aktiv seit 2015

Followers: 1   Following: 0

Programming Languages:
MATLAB
Spoken Languages:
English
Professional Interests:
App Building, AI for Signals and Images, Robotics

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Beantwortet
getTransform for first/last TF from ROS bag
Hello Antoine, If the bag contains the transformation messages in standard message recorded format, could you simply use this? ...

mehr als 2 Jahre vor | 0

Beantwortet
Getting ros2 time to stamp the PoseStamped message
Hello Samantha, I don't have MATLAB in front of me to check, but if you want to use system time, I think using datetime and con...

mehr als 2 Jahre vor | 0

Beantwortet
Matlab can't receive Topic from Ros_MasterPC .
Hello Shogo, This is probably the most common ROS communication issue I've seen. Usually the issue is that ROS_IP is not set in...

mehr als 2 Jahre vor | 0

Beantwortet
'rosApplyTransfrom' gives error even on passing the correct arguments type
Hello Dhruv, The issue is that the output of "getTransform" is a message object, while the output of "readMessages" is a messag...

mehr als 2 Jahre vor | 0

Beantwortet
Unable to publish to ROS2 network with Simulink ROS2 Toolbox
Hello Ruggero, If you are using R2022a, MATLAB will also be using Foxy as the ROS 2 distribution, so the inability to communica...

mehr als 2 Jahre vor | 0

Beantwortet
[ROStoolbox]How can I exchange messages between Matlab node and Desktop node?
Hello Hyounjun, I commented extensively on a similar question here. Can you take a look at that and try the steps I suggested t...

mehr als 2 Jahre vor | 0

| akzeptiert

Beantwortet
Questions about ROS2 code generation in simulink
Hello Xiaochen, I suspect that this issue is cause dby Windows' file path length limitations. File paths cannot be longer than ...

mehr als 2 Jahre vor | 0

Beantwortet
handle class obj is getting only zero
Hello Zakaria, I'm not certain, but I suspect the issue is that you have this line: odomMsg =receive(odomMsg); The "odomMsg"...

mehr als 2 Jahre vor | 0

| akzeptiert

Beantwortet
ros2genmsg is failing after a updating database of messages and running a second time.
Thanks for those logs. The main issues are in the stdout_stderr.log file and all look like: make[2]: *** [CMakeFiles/vision_msg...

mehr als 2 Jahre vor | 0

Beantwortet
How to pass a variable to my callback function through rossubscriber
Hello Zakaria, If you were to assign the NewMessageFcn subscriber property to just a callback function: odomSub.NewMessageFcn ...

mehr als 2 Jahre vor | 0

Beantwortet
Map Difference between 2 maps
Hello Adrien, Typically, if you are just checking a few cell's occupancy values, you would use the "getOccupancy" method. But i...

mehr als 2 Jahre vor | 1

| akzeptiert

Beantwortet
time synchronize RosBag Data (Odometry and sensor values)
Hello Jefilia, The easiest thing to do is probably to "select" the rosbag down to the Odometry topic, then extract all of the m...

mehr als 2 Jahre vor | 0

Beantwortet
Lidar Labeler loads point clouds in the order returned by the dir function? How to sort the files?
Hello Sarang, I'm not sure about getting Lidar Labeler to load in a different order, or if this is the best way to generate poi...

mehr als 2 Jahre vor | 0

| akzeptiert

Beantwortet
turtlebot3 can't receive message from matlab, but matlab can get data from turtlebot
Hello Hengxing, I've seen this kind of issue a few times, but usually in the reverse direction (MATLAB can't receive data). The...

fast 3 Jahre vor | 0

| akzeptiert

Beantwortet
Rosbag error "No definition for RedundancyInformation"
Hello Helder, Rosbags generally are supposed to contain message definition information that can be used to deserialize the mess...

fast 3 Jahre vor | 0

Beantwortet
RMW Implementation questions in MATLAB R2022a
Hello Xiaochen, Here is a similar question I answered with relevant information, and links to other similar questions with addi...

fast 3 Jahre vor | 0

Beantwortet
An error occurs when generating a custom message using rosgenmsg.
There were several people with the same or a similar issue, and the solutions that worked for them, in this answer thread. Pleas...

fast 3 Jahre vor | 0

Beantwortet
ROS support for the universal robot UR16e
Hello Lara, This is mostly something that you would want to ask the Universal Robots team, as ROS generally relies on creators ...

fast 3 Jahre vor | 0

| akzeptiert

Beantwortet
Questions about ROS2 pubulsh blocks
Hello Xiaochen, Here are a couple of posts I've made previously to help with diagnosing and fixing communication issues with RO...

fast 3 Jahre vor | 0

| akzeptiert

Beantwortet
Fail to use ros2 node list to see the node run in another ubuntu machine~
Hello Shipeng, ROS 2 requires that the machines be on the same subnet, or explicitly include each other in the same network. Se...

fast 3 Jahre vor | 0

Beantwortet
ROS Toolbox compatibility with Gazebo
Hello Alexander, There have been issues communicating between ROS 2 Dashing and Foxy for some users. Here is a page addressing ...

fast 3 Jahre vor | 0

| akzeptiert

Beantwortet
Setup ROS subscriber in Matlab
Hello Tristan, If the "receive" call is timing out, that is because it did not receive any data within the timeout period. Firs...

fast 3 Jahre vor | 1

Beantwortet
real time pointcloud streaming in simulink on ubuntu
Hello Abirami, If you are broadcasting the point cloud data over the ROS network already, then you can simply create a rossubsc...

fast 3 Jahre vor | 1

| akzeptiert

Beantwortet
Setup ROS custom messages, problems with compiling
Hello Tristan, ROS custom message compilation requires Visual Studio 2017 or 2019. The MinGW C++ compiler will not work for cre...

fast 3 Jahre vor | 0

Beantwortet
How does matlab send message to ros turtlesim
Hello Gabriel, If there is no communication between an external machine or VM and MATLAB over ROS, the issue is usually related...

fast 3 Jahre vor | 0

Beantwortet
How to achieve "Get parameters" in simulink with ROS2?
Hello Xiaochen, Parameters are not yet available for use with ROS 2 in MATLAB or Simulink. They are on our radar as we work to ...

fast 3 Jahre vor | 0

Beantwortet
I encountered an error ‘Error during service call, cannot get the state of the model’
Since that seems to have resolved the issue, copying my comment into an answer: Make sure to get a new VM as directed by this e...

fast 3 Jahre vor | 0

Beantwortet
When subscribe and receive a topic in the ROS toolbox, it is still being processed.
Hello, This sounds like the topic is visible to introspection, but the subscriber isn't receiving any data. This is probably no...

fast 3 Jahre vor | 0

| akzeptiert

Beantwortet
Reading sensor_msgs/PointCloud2 data and visualizing the points
Hello Junaid, If you create a subscriber for the topic of interest, you can get the messages on that topic either in the subscr...

etwa 3 Jahre vor | 0

Beantwortet
How to import bag file with std_msgs/String
It looks like this topic is passing numeric data as a string, for some reason. My recommendation would be to preallocate a coupl...

etwa 3 Jahre vor | 0

| akzeptiert

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