hi I'm new to ros and I'm having a problem with catkin_make when i run the command it give me this error Traceback (most recent call last): File "/opt/ros/melodic/bin/catkin_make", line 12, in from catkin.init_workspace import init_workspace ImportError: No module named catkin.init_workspace
hello i am having a problem getting roslaunch to launch . The error i get i rviz.launch is neither a launch file in package mrm_description nor is mrm_description a launch file name. I have followed the exact same steps but unable to get it to launch. Please do let me know
I'm very surprise about the complexity to creta URDF, when I first read about it I was expecting it to be something similar to a child construction toy, you put some blocks together (some being rigid parts and some being motors) and it exports a xml file out of it, but damn, those are a lot of steps to get 3 parts... Thanks for the effort regardless!
Great video! however in my case the Joint state publisher window does not come up even if the use_gui parameter is set to True. what can i do for that?
Hi! thanks for video! but i`ve got some problem, i did exactly the same code as you, when i start RVIZ i only see base_link (without link_01 etc)...i would be grateful for Ypur help!
Your description of the problem is very vague, we need more details to understand what the problem could be. Most of the times, it is just something that was not correctly typed. If you want us to have a look at your problem, share your rosject with us here, and we will have a look.
I solve this! Thanks to answers.ros.org/question/271357/rviz-doesnt-show-any-shape/ . I only had to do `export LC_NUMERIC="en_US.UTF-8"` That redefines a path variable that it seems is generating problems with newer versions of Ubuntu.
@@gonzafernan i am getting same thing and this error i am using on desktop. i get t his error in termial before file launches. please help t_state_publisher_gui' package [joint_state_publisher-3] process has died [pid 16118, exit code 1, cmd /opt/ros/kinetic/lib/joint_state_publisher/joint_state_publisher __name:=joint_state_publisher __log:=/home/ubuntu/.ros/log/fc222604-ae6c-11ea-901a-080027e69d47/joint_state_publisher-3.log]. log file: /home/ubuntu/.ros/log/fc222604-ae6c-11ea-901a-080027e69d47/joint_state_publisher-3*.log
Invalid tag: Cannot load command parameter [robot_description]: command [/opt/ros/kinetic/lib/xacro/xacro --inorder '/home/user/simulation_ws/src/mrm_description/urdf/mrm.xacro'] returned with code [2]. Param xml is The traceback for the exception was written to the log file what should i do with this?
If I create a robot, ending up with a urdf file. Can I use this robot in a PyBullet simulation using Deep Reinforcement Learning? Will it be compatible?
Nice tutorial! Here is a question. I did the work referring to the work in the video, but the joints cannot rotate in Rviz. Then I used the code in the video, and the joint still cannot rotate. How can it be like this? Thank you!
thank you for a helpful video, However, when I launch rviz, I cannot see my second link. It only shows the base link and the axis. Although, under the links tab, it lists both the links, base link and link_01. What could be the reason for this.
I was having the same problem! Thanks to answers.ros.org/question/271357/rviz-doesnt-show-any-shape/ . I only had to do export LC_NUMERIC="en_US.UTF-8" in the terminal. That redefines a path variable that it seems is generating problems with newer versions of Ubuntu.
Hi Albert, thanks for watching. The origin of the "visual" part is placed there because it has a length of 0.4 and it extends to both sides of Z axis. That's why I'm using 0.2, to compensate the displacement of the size of the link. You can modify this value and relaunch rviz to see the difference. Cheers!
[rviz.launch] is neither a launch file in package [mrm_description] nor is [mrm_description] a launch file name The traceback for the exception was written to the log file. i did same steps as you yet this is what happened
Did you create the package [mrm_description] and the file [rviz.launch] as indicated in www.theconstructsim.com/ros-projects-robotic-manipulator-part-1-basic-urdf-rviz/ ? Are you using a local computer or the ROSDS? If in local, have you created the simulation_ws as a ROS workspace?
Thank you! It's very informative. I found it beneficial following along while creating a URDF myself. Given ROS has a steep learning curve (or so I've felt) It's amazing how a certain tutorial can give you insight into something else you are working on. But it makes me wonder, writing URDF for 6 or 7 DOF robots seems to be painfully time-consuming or is there a faster way to do it?
All the files you create in The Construct are downloadable. Yu can also download the files that other people have created (if they set them to public). We'll never prevent you from downloading your files. Also, we do not use any special format, so files downloaded are directly usable in your local computer
when i execute catkin_make, this is wat it shows """""The specified source space "/home/user/src" does not exist"""" am i using a different version of the software becoz this is totally new for me
It looks like you are executing the catkin_make command on a wrong directory. Remember that in order to execute that command you must be at the /home/user/simulation_ws
Thank you for this video! One question: if I make one of the link a Collada (.dae) file, not just a simple shape. Why I can only see my model in Gazebo, but can’t see that link in Rviz ?
I don't know what you problem is, but you should be able to use a collada mesh and visualize it in the Rviz. Just have a look at the Live Class we did today where we did something similar with an STL mesh for the gripper of the robotic arm: th-cam.com/video/DJwnZSaHy7s/w-d-xo.html
I was having a similar problem and I only had to do: export LC_NUMERIC="en_US.UTF-8" In the terminal. That redefines a path variable that it seems is generating problems with newer versions of Ubuntu. After see that was the solution I added that to my bashrc.
Hey there! I have been following your channel for a while, well, I started using ROS:1 but decided to migrate to ROS:2 before I started getting deeper on ROS:1 I would like to ask, will you make any similar tutorials on ROS:2 ? If they exist... I will look deeper on your website, just pinpoint me (us) where to! Thank you so much for the excellent content!
the moveit tutorial from girhub.ros-planning is a god damn time waste. The ros franka panda urdf has no hand_arm.urdf, making the moveit assistant fail from the very beginning... Getting startet is completly messed up, since it just stops working at one point, not finding the urdf's... I steal your urdf to just get this thing done...
![[ROS Projects] - My Robotic Manipulator #02 - URDF + XACRO](http://i.ytimg.com/vi/2lfwBpH-Ty8/mqdefault.jpg)
![[ROS Projects] - My Robotic Manipulator #02 - URDF + XACRO](/img/tr.png)
hi I'm new to ros and I'm having a problem with catkin_make
when i run the command it give me this error
Traceback (most recent call last): File "/opt/ros/melodic/bin/catkin_make", line 12, in
from catkin.init_workspace import init_workspace
ImportError: No module named catkin.init_workspace
hello i am having a problem getting roslaunch to launch . The error i get i rviz.launch is neither a launch file in package mrm_description nor is mrm_description a launch file name. I have followed the exact same steps but unable to get it to launch. Please do let me know
You need to execute "source devel/setup.bash" in your "simulation_ws" folder
I'm very surprise about the complexity to creta URDF, when I first read about it I was expecting it to be something similar to a child construction toy, you put some blocks together (some being rigid parts and some being motors) and it exports a xml file out of it, but damn, those are a lot of steps to get 3 parts... Thanks for the effort regardless!
Great video! however in my case the Joint state publisher window does not come up even if the use_gui parameter is set to True. what can i do for that?
Hi! thanks for video! but i`ve got some problem, i did exactly the same code as you, when i start RVIZ i only see base_link (without link_01 etc)...i would be grateful for Ypur help!
Your description of the problem is very vague, we need more details to understand what the problem could be. Most of the times, it is just something that was not correctly typed. If you want us to have a look at your problem, share your rosject with us here, and we will have a look.
I solve this! Thanks to answers.ros.org/question/271357/rviz-doesnt-show-any-shape/ . I only had to do `export LC_NUMERIC="en_US.UTF-8"`
That redefines a path variable that it seems is generating problems with newer versions of Ubuntu.
@@gonzafernan Thanks a lot for sharing your solution. It is enlightening for us and also for other users!
@@gonzafernan i am getting same thing and this error i am using on desktop. i get t his error in termial before file launches. please help
t_state_publisher_gui' package
[joint_state_publisher-3] process has died [pid 16118, exit code 1, cmd /opt/ros/kinetic/lib/joint_state_publisher/joint_state_publisher __name:=joint_state_publisher __log:=/home/ubuntu/.ros/log/fc222604-ae6c-11ea-901a-080027e69d47/joint_state_publisher-3.log].
log file: /home/ubuntu/.ros/log/fc222604-ae6c-11ea-901a-080027e69d47/joint_state_publisher-3*.log
Invalid tag: Cannot load command parameter [robot_description]: command [/opt/ros/kinetic/lib/xacro/xacro --inorder '/home/user/simulation_ws/src/mrm_description/urdf/mrm.xacro'] returned with code [2].
Param xml is
The traceback for the exception was written to the log file
what should i do with this?
how to create urdf.xacro file in linux ,i tried but unable to create xarco file in folder
If I create a robot, ending up with a urdf file. Can I use this robot in a PyBullet simulation using Deep Reinforcement Learning? Will it be compatible?
I am getting an error as such : Robot semantic description not found.
Help with this please.
Thanks.
Nice tutorial! Here is a question. I did the work referring to the work in the video, but the joints cannot rotate in Rviz. Then I used the code in the video, and the joint still cannot rotate. How can it be like this? Thank you!
thank you for a helpful video, However, when I launch rviz, I cannot see my second link. It only shows the base link and the axis. Although, under the links tab, it lists both the links, base link and link_01. What could be the reason for this.
I was having the same problem! Thanks to answers.ros.org/question/271357/rviz-doesnt-show-any-shape/ . I only had to do
export LC_NUMERIC="en_US.UTF-8"
in the terminal. That redefines a path variable that it seems is generating problems with newer versions of Ubuntu.
-3.14 and 3.14 limit? Why did you say 108 degrees?
Thank you for the video! One question: Why is the origin of "link_01" at z = 0.2?
Hi Albert, thanks for watching.
The origin of the "visual" part is placed there because it has a length of 0.4 and it extends to both sides of Z axis. That's why I'm using 0.2, to compensate the displacement of the size of the link.
You can modify this value and relaunch rviz to see the difference.
Cheers!
[rviz.launch] is neither a launch file in package [mrm_description] nor is [mrm_description] a launch file name
The traceback for the exception was written to the log file. i did same steps as you yet this is what happened
Did you create the package [mrm_description] and the file [rviz.launch] as indicated in www.theconstructsim.com/ros-projects-robotic-manipulator-part-1-basic-urdf-rviz/ ?
Are you using a local computer or the ROSDS? If in local, have you created the simulation_ws as a ROS workspace?
I fixed this executing "source devel/setup.bash" in my simulation_ws folder. The problem was the ROS workspace as The Construct said.
Nice and Smooth!! I want one of those files for myself!!
Hey , did you try running it ?
i got one error . you might help me out please
@@suyashchougule5358 I think The Construct would have the answers for all your questions. Nevertheless if it is simple I could try.
@@locorobotics6600 Yeah! thanks :)
Thank you! It's very informative. I found it beneficial following along while creating a URDF myself. Given ROS has a steep learning curve (or so I've felt) It's amazing how a certain tutorial can give you insight into something else you are working on. But it makes me wonder, writing URDF for 6 or 7 DOF robots seems to be painfully time-consuming or is there a faster way to do it?
after taking subscription , will we be able to download these code files on laptop ?
All the files you create in The Construct are downloadable. Yu can also download the files that other people have created (if they set them to public). We'll never prevent you from downloading your files. Also, we do not use any special format, so files downloaded are directly usable in your local computer
@@TheConstruct thanks for replying
this is coded using python?
Wow this is Amazing , i wanna see forward to interface this arm with controller with hobby Servo and controllers .
when i execute catkin_make, this is wat it shows
"""""The specified source space "/home/user/src" does not exist""""
am i using a different version of the software becoz this is totally new for me
It looks like you are executing the catkin_make command on a wrong directory. Remember that in order to execute that command you must be at the /home/user/simulation_ws
How did you rotate the link? Where does that plugin come from? I'm using ROS Kinetic on Ubuntu 16.04. I can open the RVIZ config but not move the link
Same here but I'm doing it on Windows 11, with ROS Noetic v1.15.9... The joint_state_publisher window isn't poppimng up.
Thank you for this video! One question: if I make one of the link a Collada (.dae) file, not just a simple shape. Why I can only see my model in Gazebo, but can’t see that link in Rviz ?
I don't know what you problem is, but you should be able to use a collada mesh and visualize it in the Rviz. Just have a look at the Live Class we did today where we did something similar with an STL mesh for the gripper of the robotic arm: th-cam.com/video/DJwnZSaHy7s/w-d-xo.html
I was having a similar problem and I only had to do:
export LC_NUMERIC="en_US.UTF-8"
In the terminal. That redefines a path variable that it seems is generating problems with newer versions of Ubuntu. After see that was the solution I added that to my bashrc.
Hey there! I have been following your channel for a while, well, I started using ROS:1 but decided to migrate to ROS:2 before I started getting deeper on ROS:1
I would like to ask, will you make any similar tutorials on ROS:2 ? If they exist... I will look deeper on your website, just pinpoint me (us) where to!
Thank you so much for the excellent content!
It's a free download, isn't it?
Actually I am working on the same project it will be really helpful if you can provide me with the codes🙏
fala Brazuka, vamo q vamo
Are you Brazillian?
great video dude
Thank you , good video for learn how to URDF.
Great....good way to teach
Thank you! Please help us spreading the word among your colleagues
very useful !!
the moveit tutorial from girhub.ros-planning is a god damn time waste. The ros franka panda urdf has no hand_arm.urdf, making the moveit assistant fail from the very beginning... Getting startet is completly messed up, since it just stops working at one point, not finding the urdf's... I steal your urdf to just get this thing done...
omg ....
По русски стыдно базарить?
very useful !!