Error with xacro.py [robot_description]
Hi, I am trying to get through a tutorial "Building a Visual Robot Model with URDF from Scratch". I got a problem like this: Invalid tag: Cannot load command parameter [robot_description]: command...
View ArticleInvalid parameter in xacro file
I'm using ROS Melodic and Gazebo 9.9.0. I'm modifying an example that use two parameters in `wheel` macro, but when I add a third one, `pX`, it doesn't work. I have run the following command to test...
View ArticleError converting xacro to urdf ROS Moveit!
I am trying to convert an xacro file to a urdf so I can use it in Moveit! My process is as follows: First I make a workspace: ws_moveit. Then I download the necessary robot files including the xacro...
View ArticleConvert XACRO to URDF on macOS?
Hello, I'm trying to use `ur10_robot.urdf.xacro` from [this](https://github.com/ros-industrial/universal_robot/tree/kinetic-devel/ur_description/urdf) repository in...
View ArticleProblem with converting .xacro to .urdf in Windows 10 ROS
I am using the command rosrun xacro xacro.py .urdf.xacro >.urdf as well as rosrun xacro xacro --inorder .urdf.xacro >.urdf I receive an error for both commands that says xacro.py: error: expected...
View ArticleURDF transform to world fails
Hey everyone, I am working on a project where i connect a robotiq 85 2f gripper to a ur10. I did this by making an urdf (xacro) file that describes my toplevel system. In the urdf I include the UR10...
View ArticleAdding camera using Xacro
Hi I want to attach a fixed camera on my robot base in Gazebo and RViz and there are two problems with this. First of all, I can not display the camera itself (its just a box). Is there a mistake in my...
View ArticleURDF on parameter server parsing error when calling urdf::Model initParam method
I am using ROS kinetic and Ubuntu 16.04. I am trying to use a URDF from my parameter server in a node using the following code, with this launch file: **launch file** **URDF**...
View ArticleIt doesn't display 3D model in RVIZ but it does in Gazebo
I'm just started to learn ROS and Gazebo using ROS Melodic and Gazebo 9.6.0. I use this launch file to open RVIZ: But I see that on it:  I use this...
View ArticleSTL file fails to load when using user-created package
I'm trying to load an STL file in xacro and find that it works fine when I place the file in 'urdf_tutorial/meshes'. However, if I try to reference the same file, but now in a sub-directory of my own...
View ArticleConvert xacro to sdf when catkin_make is used
Hi all, I have a model defined in xacro file with gazebo extension, similar to files [rrbot.xacro and...
View ArticleI cannot make gazebo_ros_vacuum_gripper plugin to work. Please help
Hello, I have a vacuum gripper in Gazebo simulation and I am trying to attach the gazebo_ros_vacuum_gripper plugin to make it work but without any success so far. My .xacro configuration is as follows:...
View ArticleArm does not appear when using xacro to attach UR5 to Robotiq Gripper
I am trying to attach a Robotiq 2f gripper to a UR5 arm, but cannot get the two components to properly connect to one another. Following the tutorial...
View Articlexacro command not found
I am trying to run a xacro command to generate the latest baxter.srdf file to use with Moveit config. I found the command in a readme file in the baxter_moveit_config folder. It has been modified to...
View ArticleXML parsing error: XML or text declaration not at start of entity
I keep getting this error on my xacro file. To be honest I am not familiar with this kind of format and I was wondering if I could get any help for the bad syntax error that keeps popping. Thanks in...
View ArticleError: Joint is missing a parent and/or child
Hi all, I'm trying to build a robotic arm, but I'm having troubles when I create the macro to simplify the code. I have the next error: Failed to build tree: Joint [module_1_length_yaw_joint] is...
View ArticleHow to add custom tool to robot end effector in URDF or Xacro for Moveit!
I am using ROS kinetic on Ubuntu 16.04 I would like to add a custom tool (CAD file) to my robot end effector, so that I can define a new point (on the custom tool) as the end effector for path...
View ArticleThe joints cannot rotate in Rviz
I use .xacro file as the model of the robot, and show it in Rviz. Part of the .xacro file is as follows. The launch file is as follows. When I change the `joint_state_publisher` pedal, the robot just...
View ArticleNo camera message received with tum_simulator
I am running tum_simulator in ros kinetic ubuntu 16.04 when i run $ roslaunch cvg_sim_gazebo ardrone_testworld.launch i get the following warning, xacro: Traditional processing is deprecated. Switch to...
View Article'#pragma once' equivalent for urdf/xacro files
I have multiple urdf files representing different components of a robot. As I don't want to define materials multiple times in different files, I created a file containing those definitions...
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