model set to be fixed to world keeps jittering
**Background**: I want to set one of the box object to be fixed to the world. Here is the [wall.xacro](https://github.com/Shawnnn/ros/blob/master/wall.xacro) // script I show has commented the below...
View ArticleContact sensor generates no contact information using gazebo_ros_bumper plugin
Hi everyone, I am trying to get the gazebo\_ros\_bumper plugin to work. All information I can see are the rising time steps, when I am listening to the topic via rostopic. The states array stays empty....
View ArticleError while compiling Gazebo Ros plugin
Hello, I am using Ubuntu 14.04 and ROS Indigo with Gazebo 2.2.6. I am trying to compile a gazebo ros plugin. Here is the code. armbot_plugin.hpp: #ifndef _ARMBOT_PLUGIN_HH_ #define _ARMBOT_PLUGIN_HH_...
View Articletopic of gazebo_ros bumper sensor attached to arm link echo no contact...
**Goal:** I want to attach contact sensor to gripper finger of robot arm, aiming to get contact feed back while gripper finger touches against other objects **Problem:** After setup, I try to echo...
View ArticleAdding ros integrated contact sensors
Hello everyone! I'm building a biped model and I want to add a sensor that detects a collision between its foot and the ground and sends a message to a ROS topic. The 'Bumper controller' described...
View ArticleDescribing a model through it's relative path
I have mesh described through its absolute path: `/home/bruno/rodain/models/Warehouse_shelf/model.dae` I would like to describe it using its relative path. By doing that I could change, for example,...
View ArticleJust what does 100 % free blockbuster movie online websites escape their...
Recently, i noticed that a great deal web sites like **[123movies.cam](https://ouchmovies.com/split-full-movie/)** that provide complimentary picture experience of High-definition. What could they even...
View ArticleUnderstanding contact sensor data
I am receiving contact sensor measurements that I am having trouble making sense of. One example is the following: Normal vector: (-0.347998, 0.937495, 0) Body1 wrench force: (-0.270598, 1.06599,...
View Articlemodel set to be immovable still move after collide with other model
**Goal:** I want to set **base_link** of robot arm **fixed to the ground_plane of the world**. When moving robot arm collides with surface of wall, because base_link is fixed to ground, arm has to...
View Articlehow to log IMU data in Gazebo7?
Does anyone know how to log data from an IMU in Gazebo7? My goal is to produce a .csv or .txt (or similar) file after a simulation. I am currently adding the IMU as a *sensor* within my .sdf file, not...
View ArticleFind ground height in Gazebo WorldPlugin
Hi, In a Gazebo WorldPlugin, I would like to know the ground position below a point. Sadly it seems that it can't have access to rendering::Scene which offers such methods. Is there another methods to...
View ArticleSimulating a Structured Light Sensor in Gazebo
Hello, I am in the process of working on a system that will end up using a structured light sensor similar to the one being depicted in the image below, and I was wondering what the best way to...
View ArticleHow to programatically set joint friction torque?
I have a car model in Gazebo. Each of the 4 wheels has a continuous joint with friction torque in the urdf file. I want to set the friction torque value dynamically in the source code (instead of...
View Articlemutable_gravity in tutorial
Hello! As you guess, I have started to study the tutorials for the gazebo plugins. I was doing the "Programmatic World Control"...
View ArticleHow can I visualize the coordinate system of my model?
I want to visualize my body fixed coordinate system. How can I do this or what do I need to add into my .sdf file to visualize such a coordinate system?
View ArticleStrange physics behavior while grasping
I have a grasping simulation set up where I torque control the Barrett hand and try to grasp a simple object such as the cylinder (as shown in the video [here]( https://youtu.be/cQ7egIyFv6U)). These...
View ArticleLoading Multiple World Files one after the other edit
Hi, Is there a way to load world files from a ros node or script one after the other. I want to create 100 worlds and load them one after the other in the simulation. The task is to move a robot in the...
View ArticleError [Plugin.hh:180] libvelodyne_plugin.so: No such file or directory Gazebo...
I am following this tutorial: http://gazebosim.org/tutorials?tut=guided_i5&cat=#Step5:Buildandtest When I run Gazebo: gazebo --verbose ../velodyne.world This error appears: [Err] [Plugin.hh:180]...
View ArticleWhy does Gazebo executes two times?
When I open Gazebo: gazebo --verbose Gazebo is called two times: Gazebo multi-robot simulator, version 8.1.1 Copyright (C) 2012 Open Source Robotics Foundation. Released under the Apache 2 License....
View ArticleWhat part of the sdf file is sdf::ElementPtr in the load() function?
Suppose we have a Sdf file .world, like this one:model://velodyne_hdl3225 When the load() function is called, for example: #include #include namespace gazebo { class VelodynePlugin : public ModelPlugin...
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