Questions tagged [xml]

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urdf error. It have some including xacro files

I used the include xacro command to combine three urdf.xacro files into one, and only one xacro is loaded through XML conversion from 'robot_description' via ...
ertretff's user avatar
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2 answers
184 views

How to use int or double as input to "arg" in ROS launch file

I am trying to use the following as input values to an arg command in my roslaunch file as follows: ...
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colcon test returning return code 5 even though tests aren't failing

When running python tests using colcon, the run_test.py return code is 5, leading to overall test failures. The test file contains 10 tests, none of them marked as ...
Hugo Louis Seize's user avatar
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2 answers
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error: Invalid XML: mismatched tag: line 331, column 6 in urdf file

Here is the file in question: ...
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1 answer
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error with urdf file at launch

I try to run this urdf file: ...
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1 answer
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ROS2: Including xml launch files in a python launch file

Is there a way in ROS2 to launch an xml launch file from a python launch file? I am currently making a python launch file for my application, which needs me to run rosbridge_server, which provides a ....
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failed to lunch this command

when i try this command : roslaunch panda_moveit_config demo.launch rviz_tutorial:=true i get this error : ...
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How do I dereference a namespace name in my launch file?

I want to use the name of my namespace in my launch file, to do some more things, but for that, I would have to dereference my namespace name in the launch file like we dereference arguments using <...
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1 answer
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The root link base_link has an inertia specified in the URDF, but KDL does not support a root link with an inertia

...
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2 answers
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ROS 2 launch: Python vs XML

Hi, As a ROS teacher, I am in the process of adapting my lectures / labs to ROS 2 for the next intake in September. My target audience (master students / professionals) has two features: does not ...
oKermorgant's user avatar
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1 answer
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Unable to use xml formatted launch files with ROS2 eloquent

I am trying to get a launch file in the xml format to launch using ros2 launch launch_files launch_file.xml however when I do so I receive the error ...
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2 answers
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[easy] launch file syntax: how to pass quotation mark to a python script

So, I have this launch file: ...
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2 answers
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point cloud in wrong position relative to robot

Hello fellow roboticists, I have been trying to get a kinect sensor working on my urdf model in gazebo. i have successfully attached the sensor thanks to my previous question here. My only issue is ...
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Invalid roslaunch XML syntax: not well-formed (invalid token):

Launch file ...
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2 answers
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How does ROS2 select the default QoS profile?

I have a ROS2 based python code, which mentions nothing about the QoS Settings. I assume that it must be taking some default profile. How can I view this default profile ? I mean where is the source ...
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gmapping: "Skipping XML Document..."

Firing up an instance of pointcloud_to_laserscan_node (not the nodelet) on Indigo + Ubuntu gets ...
Rick's user avatar
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1 answer
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How do I properly use multimarker in an xml file?

I am trying to detect three AR trackers with the ar_track_alvar package link ar_track_alvar package. The three trackers should be detected as a bundle. My xml file which describes the markers looks as ...
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1 answer
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Understanding xmlns: what are the links linked to?

I have read similar question here ,but It still hasn't answered my confusions. I refer to this tutorial here's the snipper: ...
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1 answer
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roslaunch giving this message ,please suggest something

roslaunch sender sender_node ... logging to /home/haneesh/.ros/log/3f3a9790-8022-11e7-a9cc-780cb88742bd/roslaunch-haneesh-ubuntu-366.log Checking log directory for disk usage. This may take awhile. ...
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1 answer
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Error reading end tag - Model parsing the xml failed

I am working on a sample exercise of creating an arm robot with 3 links and 2 joints, by defining the urdf file. Am also following the tutorial from Mastering ROS for Robotics Programmin by Lentin ...
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1 answer
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How to combine string args in launch file?

This is my starting .launch file ...
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1 answer
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how to create a the launch file xml

i follow the tutorials to 2.3 The launch file .the tutorials just tell us to :"Now let's create a launch file called turtlemimic.launch and paste the following: "but it doesn't tell us how ...
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1 answer
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questions on XML/<param>tag

Here is the link to the tutorial about XML/param, I cannot figure out the meaning of the first sentence of the 3 options listed below, respectively. http://wiki.ros.org/roslaunch/XML/param 1 textfile=&...
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1 answer
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Invalid roslaunch XML syntax: not well-formed

I am trying to launch several launch files from a main launch file. I can successfully call one of the launch files from my main launch file. Like this. http://answers.ros.org/question/42814/launch-...
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1 answer
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Cannot display the urdf model in rviz (launch file)

Hello, I am new to ROS and today I attempted to write a simple code for a launch file just to display my urdf model in rviz. I wrote this for a start: ...
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1 answer
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How to move TurtleBot in gazebo 7

Hello, I am trying to simulate at TurtleBot in Gazebo 7 (with Kinetic Kame), however I am having sending a velocity to the simulated robot. I was able to fix the xacro files to properly create a URDF ...
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1 answer
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How to use <param> in launch files to change variable values in node scripts?

I'm trying to use in launch files to change variable values in node scripts but it doesn't seem to work. Here is my launch file: ...
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1 answer
7 views

roslaunch - namespace substitution within group tags

I'm working on a multiple robot application and am trying to develop a clean launch file. I have multiple blocks of XML in my launch file that look like... ...
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1 answer
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roslaunch ssh error

Hi, I am getting the following error when attempting to launch a series of nodes across two machines.. beaglebone black (ubuntu@bbone): ubuntu 14.04 LTS (3.14 kernel) and ROS indigo Linux ...
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1 answer
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How to fix [Errno 2] No such file or directory

Hi all, I am trying to run the following launch file: hector_neato.launch ...
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1 answer
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What is the default value of the respawn attribute on the roslaunch node tag?

What is the default value of the respawn attribute on the node tag? Currently the documentation says it's optional, but it does not say what the default value is. Documentation of the node tag is here....
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Don't understand how to parse URDF file

Hello all, I am using Ubuntu 12.04 with ROS Indigo. So I am following the URDF tutorial (Create your own urdf file) but after I create my .urdf file I don't understand how to parse it. The file is ...
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2 answers
40 views

roslaunch xml: how to pass a list of strings as parameters?

Is there any way to pass a list of strings as an argument in a launch file? Something like ...
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2 answers
28 views

roslaunch XML "if" comparison

In the page on roslaunch XML, it discusses the use of "if" and "unless" attributes for tags. In the examples, however, it only shows how to do it if the argument you are checking ...
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1 answer
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Conditional <remap>

I'd like to control topic remaps using roslaunch command-line arguments (i.e. by setting ROS parameters). Is there a way to cause a ...
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2 answers
8 views

how to connect to Servo Drive(googoltech CDHD ServoDrive ethercat) using ros_Ethercat and ros_control

I have not found any documents about how to connect to Servo Drive(googoltech CDHD servo drive) using Ethercat bus and ros_control in ROS website. I use the joint trajectory controller (inside the ...
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1 answer
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Read XML file from cpp

Hello, I have a .xml file, which I need to read. Searching in Internet, I saw that I could do that with MSXML. But I can't include the library in my program. Anyone knows how I can do that? Or is ...
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1 answer
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ROS Answers SE migration: Error in urdf

I'm trying to do the urdf tutorial http://wiki.ros.org/urdf/Tutorials/Create%20your%20own%20urdf%20file So when i launch rosrun urdfdom check_urdf my_robot.urdf (I'...
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1 answer
25 views

What's the right way to call rosbag in a launch file?

Hi there, Since the Python API for rosbag is not really documented, I've decided to just start a couple bags from a launch file. I want to record some topics from my robot, and some from my desktop ...
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1 answer
3 views

Please help with requestTopic in ROS XMLRPC Slave API

Is it possible somebody who has a functional UDP Subscriber implemented can perform a Wireshark trace on the XML in the XMLRPC call and post it as the answer to this question? It will help me out ...
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3 answers
2 views

Can I make a directory in launch file?

My local machine is a laptop running Ubuntu 10.04 (old, I know). While collecting data during my experiments, I am generating text files for Matlab, but I want to organize a single experiment into a ...
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1 answer
2 views

Is there a Catkin unit test report XMLT (for pretty printing)?

Has anybody come up with XMLT files to convert gtest/nosetest XML reports to a more human-readable form? I find it hard to tell at a glance if all tests passed, so something condensed and uniform ...
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3 answers
4 views

Roslaunch machine tag on include

I want to run a launch file on a remote machine. Is it possible to specify a machine for an call in a roslaunch file? Originally posted by sterlingm on ROS Answers with karma: 380 on 2013-10-03 Post ...
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2 answers
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Alternatives for (not working) nested substitution arguments for roslaunch

I´m currently changing the launch file setup on a project and would like to do something like ...
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1 answer
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Use central definition database (XML) across multiple nodes?

I've got an XML file in my project containing data that shall be addressable globally by any node that is running in my ROS. What's the royal road to achieve this? Is setting up an srv that serves ...
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2 answers
3 views

Roslaunch XML format: is there a DTD?

Hi, I am developing a ROS plugin for Vim and want to add support for editing of roslaunch files. Vim already has a built-in support for omni-completion of XML dialects as soon as the formal definition ...
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1 answer
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When launching simulator Error:Invalid <arg> tag: turtlebot_description

Hi guys I'm trying to run turtlebot with Gazebo(empty_world) but none of them were working Need help!!! this is Output when i run this command ...
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1 answer
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Preferred ROS XML parser/generator

I would like to create a node/library that both reads in xml and writes xml with a well defined format (sort of like URDF). I know there are tons of libraries for doing this, but I want to know what ...
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1 answer
7 views

Robot manipulator waypoint trajectory planning and execution

I would like to create a robot program that reads in a set of arm waypoints from a file and then executes a trajectory through those waypoints. It seems like this should already exist? Assuming it ...
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1 answer
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Error in starting rviz

Hello! When I try to start rviz by "roslaunch rviz rviz", I see this message: ...
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