Quantcast
Channel: Gazebo: Q&A Forum - RSS feed
Browsing all 7017 articles
Browse latest View live
↧

Set near/far clip distance for the visualization window camera

When viewing an outdoor gazebo world from some distance above, I get strong Z-fighting artifacts between two ground planes located on top of each other at a distance of about 0.5 meters. I suppose...

View Article


Gzweb lags when controlling joints

Hello, I'm trying to control a robot and I use gzweb to visualize it to my browser. The robot is pretty complex and I want to control it by publishing movements to the joint controllers. The problem is...

View Article


Simulate Odometry with Ackermann Locomotion

Hello, I am trying to simulate odometry in an ackermann vehicle with gazebo but the error that I get after twenty meters is about 4 meters. I think the result of the GetAngle method is strange when...

View Article

Generating Heightmap on Gazebo 2.2

I tried generating heightmap to model a terrain. Below is a sample terrain map generated using Gimp (129 x 129) (alpha channel removed). ![image description](/upfiles/14661399277996271.png) However I...

View Article

Qt has caught an exception thrown from an event handler. Throwing exceptions...

[Screenshot from 2016-06-17 13:49:42.png](/upfiles/14661538182530175.png) Please help me with the error. I have tried searching on the net but I am not able to find the answer. Also I new to Ubuntu...

View Article


Make a kinematic only model

Hello everybody, I have a robot model written in urdf and I want to make it move with a linear/angular speed command. So I have modified the planar_move plugin. I also had to make some links (not...

View Article

How to define the inertial parameters of tool0?

I followed the tutorial of [creating URDF](http://wiki.ros.org/Industrial/Tutorials/Create%20a%20URDF%20for%20an%20Industrial%20Robot) to build a industrial robot model. I defined link "tool0" as...

View Article

Simulation of pendulum not working as expected using ODE physics

I am evaluating the physics engine of Gazebo and am having a strange problem getting a simple rotary inverted pendulum to work. My analytical solution shows that the natural period should be less than...

View Article


is there a limit for sensors in model/link?

Hello all, I am trying to create a plugin with 20 parallel gpu_ray sensors, but, when i run it the process dies, with the following output :> [gazebo-2] process has died [pid 22062, exit code 139,...

View Article


I have installed ubuntu 12.04, then ROS Hydro with gazebo on laptop but...

Hello everyone please help. I have installed ubuntu 12.04, then ROS Hydro with gazebo on lenovo laptop but Gazebo is not working. it doesn't show any errors, seems that everything is working fine. I...

View Article

dependency issues with gzweb

Gzweb seems to be relatively undocumented and the issue tracker on bitbucket didn't solve my problem, which is why I'm also posting my question here after opening and issue...

View Article

Robot gripper passes through object to be grasped

Gazebo version 2.2.3 I am trying to implement a grasping algorithm on my custom robot but it passes through the object instead of grasping it. I've checked all the collision tags in both urdfs (robot's...

View Article

How to display text in a 3D environment

I am making a robot soccer simulation system and want to simulate a competition between two robotic teams. But now I have no idea how to make a billboard or something to display the scores of two...

View Article


Picking up a soft ball using dual arm

I am trying to pick a soft ball using two arms and then throw it. I am using a soft ball because I want to be able to throw the ball even when it is slightly crushed by the fingers. But when I try to...

View Article

Attach dynamic text to models

If I want to display different text contents in real time to different models, i.e. attaching dynamic text to models, how should I do? Any help would be greatly appreciated!

View Article


How to reuse SDF model with different colors?

I want to be able to create a SDF file (maybe using ERB) to create a simple model that can then be one of five colors. I have the model created and I'm wondering if there's a way to not create five...

View Article

Object slips out of the gripper after jitters

I am trying to make robot arm grasp a cylinder object but when ever the gets in the grasp and the gripper closes, it starts vibrating and the object appears to slip out of it. I am using a...

View Article


Mud plugin with non static models

With regards to this [question](http://answers.gazebosim.org/question/13686/picking-up-a-soft-ball-using-dual-arm/ ) where I am tying to pick a soft ball, I tried to use the mud plugin for the entire...

View Article

How to build a circuit in gazebo [Update visuals at runtime]

Hi all, I am trying to build a circuit in Gazebo but I don't know how I can manage this task. In particular I don't know if I have to Necessarily create a .world file or I can just create a texture for...

View Article

Spawn object in specific location

Hey team, I see a related question about spawning objects into the world via the command line. Is it possible to spawn them into a specific location via the command line, or is the starting position...

View Article
Browsing all 7017 articles
Browse latest View live