Need help with find error in this urdf
Hi, I am learning the tutorial about urdf. I am at the exercise 8 now. The error I have when run the launch file is: [ERROR] [1478674779.727709696]: length [${bodylen}] is not a valid float [ERROR]...
View ArticleGazebo: Invalid tag: Cannot load command parameter [robot_description]:
Hi. I'm using Ubuntu 14.04 ROS Indigo Gazebo2 I am quite new to ROS and Gazebo and I'm following this Tutorial...
View ArticleXacros, macros and using properties for moveit with the Universal Robots
Hello all, **Background/Context:** I am in the process of writing a xacro file that calls x2 URs. A UR10 and a UR5, each with different end effectors on them. My ideal goal is to control both arms with...
View ArticleError 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 ArticleUnable to validate URDF file
I am trying to validate this basic URDF file: When using XML Copy Editor I am able to have it pass the well-formed check but when I try to validate it I get the following error: Error at line 2, column...
View ArticleI cannot convert xacro file to urdf
Hello, I have an issue about broadcasting some links at tf for which I have asked [here](http://answers.ros.org/question/250764/tf-tree-doesnt-show-broadcasted-joints/). Someone commented that he...
View Articlespecify link as joint to world in urdf
When ever i launch my urdf velodyne sensor in gazebo, it starts to rotate and than it vanishes in the world by jumping from one place to another. I tried to apply similar method as in gazebo but seems...
View Articlewhat is xmlns tag for xacro?
what is xmlns tag for xacro? Here is the tutorial of [xacro](http://wiki.ros.org/urdf/Tutorials/Using%20Xacro%20to%20Clean%20Up%20a%20URDF%20File) It is confusing for me to see the below code Why...
View ArticleShould I choose to write a URDF manually or export URDF by Solidworks?
I wonder what is the normal process of the development of a robot, this would be a broad question and not specific enough. What I want to know urgently is dependent on what I choose to **get URDF by...
View ArticleEmpty model spawned in Gazebo [Kinova mico/jaco xacro]
I am trying to simulate a Kinova robot in gazebo. I wrote a basic launch file to bring up the robot (code below). The robot is not visible in the world. The robot name is visible in the models but the...
View ArticleStrange behavior of xacro namespaced include
Hi all, I don't know if it is a bug or the default behavior, but I was using the [_namespaced include_](http://wiki.ros.org/xacro#Including_other_xacro_files) for the first time and I am a bit...
View ArticleFailed converting xacro to urdf
When I run the command **rosrun xacro xacro.py ur5.urdf.xacro > ur5.urdf**, the result is not as good as I expected. > xmlns:xacro="http://www.ros.org/wiki/xacro">>
View ArticleHow do I generate URDFs at compile time?
I sometime use robots definitions containing many links and generating the URDFs from my XACROs files takes more than 5 seconds. This slows down my application startup because everything is waiting for...
View ArticleProblems with xacro for MoveIt tutorials with ROS Kinect
I am a beginner with ROS and I am facing Xacro problems while trying to follow the MoveIt Rviz Plugin Tutorial...
View ArticleProject: Better workflow for robot descriptions - URDF/XACRO
Dear ROS user, We are two Software Engineering students at the IT University in Copenhagen, who are currently doing our master thesis on the ROS framework. We are looking into how to improve the...
View ArticleGazebo: Invalid tag: Cannot load command parameter [robot_description]
My original package worked well. But after I added a `mavlink_interface_macro` to my xacro file of the model, I got the following error: when processing file:...
View Articlehow to convert xacro file to urdf file?
i wanna know the command used to convert xacro file to pure urdf file , Thanks for ur help
View ArticleQuestions to SDF, urdf, xacro, material, textures using Gazebo
Hi Guys, Currently I am a little stuck with my xacro model. I have a texture file which should be attached to a surface in the xacro. How to add materials to your package, what do I need to export...
View ArticleThe fails to call the file
I have a urdf set up and I am trying to call an external .gazebo file using `` but it can't find the file. What am I doing wrong? Thanks
View ArticleSome problems of conversion xacro to urdf (Mastering ROS Chapter 2)
Hi,everyone. I'm reading the book《mastering ros robotics programming》,and in chapter 2 I'm meeting some problems when I try to convert the xacro file to urdf file in the demo "seven_dof_arm". My...
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