how to use roslaunch having gazebo on verbose mode?
Dear all, when you develop plugins in gazebo, you can get the verbose feedback by executing: gazebo my_world.world --verbose When we use roslaunch to launch the gazebo simulation, do you know a...
View ArticleChange model position in simulation
Hi all, I need to teleport models in my simulation after their spawn. Do you know if it is possible to write a Python script or a C++ class allowing to change model position during simulation ? If it...
View ArticleWhat is the relation between gazebo and ignition library?
I know that my question sounds very generic. I'm new to gazebo and I'm using version 7.8. I have worked with some examples that use the transport layer to advertise a topic and publish Vector3 msg...
View ArticleSetForce() method Joint vs Link
I am trying to clarify the behaviour of joint::SetForce, as I understand the description, rather acts like the link::AddForce?
View ArticleHow can I lock one axis of ball joint in gazebo?
Hi, I'm trying to attack a gimbal on 3DR Iris model. When I attached revolute joints, it failed to hover. Its roll and pitch are perturbed badly. After I attached a ball joint instead of them,...
View ArticleI get different ray sensor data at each run (How to get exactly the same?)
Hi, Is there a way to retrieve ray sensor data directly from the physics engine? so that I get exactly the same data at each run. I use Gazebo version 6. I tried the code bellow, but it doesn't work:...
View ArticleDepth camera depth map value interpretation
Hi, I'm using depth camera (libgazebo_ros_openni_kinect.so) on gazebo. The result depth map seems to be...the closer is darker...intensity value means the depth. Hence my question is what the...
View ArticleRobot wabbles in gazebo
I have been working on a robot, and have got it to move in gazebo. Unfortunately, the robot does not go straight when given the command: rostopic pub /cmd_vel geometry_msgs/Twist "linear: x: 1.0 y:...
View ArticleError due to update Gazebo2 to Gazebo5
Hello, I have started using ROS for my research in my university. My computer had ROS (indigo) with Gazebo2 in the first. I had to use fish-eye camera with URDF which needs sdf ver1.5 or newer...
View ArticleDisable Gazebo "getting models" at simulation launch
Hi, all is in the title. Is it possible to provide Gazebo to get models automatically when I launch a simulation ? I don't use these models, it is for my use a loss of time. Thanks :)
View ArticleHow to use boost::bind to pass more than one input arguments to callback?
Hi all, It's a newbie question but I'm stuck to this one and I need a gently push to move forward. So I need to pass 2 input arguments in a local callback of subscriber node. My header file looks...
View ArticleGazebo won't shutdown after killing gazebo node
Hi, I've encountered weird problem with gazebo. I used to be able to kill gazebo using `rosnode kill -a` command. But now the gzserver only prints [ WARN] [1498834601.073564298, 17.450000000]:...
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Dr. Banter Axe is a health physician, popular wireless depict master of ceremonies and sought after internal Speaker committed to mount populate release from their wellness problems so they arse exist...
View ArticleI want to do dynamical modelling of a spherical robot and simulate it. How do...
How do I model it? I will be using dynamixel AX-12A inside it for forward and rear motion. For turning, I will use a pendulum actuated with a servo motor/
View ArticleSimulation different when gzclient is open
Hi, I have a simulation environment where I am stepping through the simulation by calling ROS services for pausing and unpausing the simulation (like it is done...
View ArticleSimulating multiple rbcar's in Gazebo
I try to run multiple rbcar's on one ROS Master and tried to start a car as a group but the Controller does not start. I created a launch file for multiple rbcar's which looks like this: and includes...
View Articlehow weedinmypocket is effective to move a medicine check?
Prescription medication is illegal in many regions from all across the globe. However, you can find those individuals who nevertheless do drug treatments because the pleasure it brings to them. There...
View ArticleRotation by quaternions not the same as shown in the simulation
Hi, I am simulating and autonomous underwater vehicle. Therefore I try to get the orientation using the quaternions from Gazebo of my model. The problem is that the simulation shows a rotation...
View ArticleParallel Robots - Implementing close kinematic chains
As I saw there is no official way for simulating close kinematic chains using URDF/SDF and gazebo. 2 questions: 1. For a simple 4 arm mechanism: Will gazebo spawn an SDF with 4 Links and 4 joints...
View Articleincluding model.sdf in .world Gazebo7
Hi, im working since a couple weeks with gazebo and I have some problems including a model.sdf into a .world file. I am using Gazebo7 and ROS-kinetic. I already sourced the MODEL_PATH at the .bashrc...
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