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2020-12-18 13:21:23 -0600 answered a question Gazebo provides different world pose between two simulation instances

In general Gazebo is non-deterministic, as there are multiple threads running concurrently and some components (e.g.: ph

2020-12-18 13:10:27 -0600 commented question Error openning model with .dae meshes : what(): bad lexical cast: source type value could not be interpreted as target

Is the mesh using a texture? If so, double-check that the path to the texture in the .dae can be found by Gazebo.

2020-12-18 13:07:19 -0600 commented question PX4 Gazebo HITL - No Drone Appears When Launching Gazebo

It might help to pass extra_gazebo_args:="--verbose" to roslaunch to get some error messages from Gazebo.

2020-12-18 13:00:29 -0600 commented question ABB_robot not spawning in Gazebo although it's working in rviz correctly

It might help running it with extra_gazebo_args:="--verbose" to see if Gazebo shows some errors.

2020-12-18 12:50:46 -0600 commented answer Where can I find a 3D farming map in gazebo?

This project might also be interesting for your application: https://discourse.ros.org/t/randomly-generated-ignition-gaz

2020-12-18 12:46:56 -0600 commented question Ignition Citadel Error: Failed to create a bridge for topic

Just in case, /TOPIC, @ROS_MSG and @IGN_MSG are just templates that you should replace for your specific example. In cas

2020-12-18 12:43:04 -0600 answered a question What Are Differences Between Gazebo and Webots?

Wikipedia has some information about features and differences between robotic simulators including Gazebo and Webots. h

2020-06-01 10:33:42 -0600 answered a question Wind simulation in gazebo 7

Hello, here's the initial pull request where the wind was implemented: https://bitbucket.org/osrf/gazebo/pull-requests/

2020-03-11 12:25:29 -0600 edited answer Can I use waves/water plugin from VRX in v11?

Hi, VRX works for Gazebo 7 and gazebo 9. In theory, it should be pretty straightforward to port it to Gazebo 11. From th

2020-03-11 12:25:05 -0600 answered a question Can I use waves/water plugin from VRX in v11?

Him VRX works for Gazebo 7 and gazebo 9. In theory, it should be pretty straightforward to port it to Gazebo 11. From th

2019-09-03 17:48:45 -0600 answered a question Water world in gazebo for surface vehicle

You can take a look at the VRX project, where Gazebo is used to simulate a maritime environment. There is a buoyancy plu

2019-04-09 12:00:28 -0600 edited answer how to install google protocol buffers using cmake?

You should be able to install the Protobuf dependencies of Ignition Messages with apt: sudo apt-get install libprotobuf

2019-04-09 12:00:00 -0600 edited answer how to install google protocol buffers using cmake?

You should be able to install the Protobuf dependencies of Ignition Messages by installing the protobuf dependencies wit

2019-04-08 11:50:29 -0600 answered a question how to install google protocol buffers using cmake?

You should be able to install Ignition Messages by installing the protobuf dependencies with apt: sudo apt-get install

2019-03-20 12:09:12 -0600 edited question How to use plugins for sensors?

How use plugins for sensors? Hello! I want to use RFIDSensor.hh RFIDSensorPrivate.hh RFIDSensor.cc and RFIDTag. I creat

2019-03-20 12:07:59 -0600 commented question Exception sending a message

Could you try setting the IGN_IP environment variable to one of the IP addresses of your machine?

2019-01-22 15:49:51 -0600 edited question gazebo does not draw all the models on the world file

gazebo do not draw all the models on the world file there are more than one model in the world file, but it displays onl

2019-01-22 15:48:51 -0600 edited question Spawning baxter.urdf not possible - Gazebo doesn't start: "Waiting for service.."

Spawning baxter.urdf not possible - Gazebo doenst start: "Waiting for service.." Hello, I just followed this tutorial:

2019-01-16 17:11:51 -0600 commented answer What is an equivalent to Gazebo 9 function physics::Joint::Position() in Gazebo 7 for prismatic joint?

The name of the function is confusing and that's why we deprecated it. It will actually return a position if you're usin

2019-01-15 13:00:10 -0600 edited question What is an equivalent to Gazebo 9 function physics::Joint::Position() in Gazebo 7 for prismatic joint?

What is an equivalent to Gazebo 9 fuction physics::Joint::Position() in Gazebo 7 for prismatic joint? I was using the ph

2019-01-15 11:45:28 -0600 edited question Pointcloud is published at 2Hz when using two 3D cameras gazebo_ros_depth_camera

Poitcloud is published at 2Hz when using 2 3D cameras gazebo_ros_depth_camera Hello, I have a Gazebo simulation using R

2019-01-15 11:42:47 -0600 answered a question What is an equivalent to Gazebo 9 function physics::Joint::Position() in Gazebo 7 for prismatic joint?

It's called GetAngle(). Note that this function accepts an argument representing the index of the axis. In a prismatic j

2019-01-10 12:47:35 -0600 edited question Gazebo crashing after update!

Gaebo crashing after update! Hi all, I was running the default versions of ROS kinetic and Gazebo 7 that can be install

2019-01-10 12:47:13 -0600 commented question Gazebo crashing after update!

Just double-check that you still have the controller-manager package installed after removing Gazebo.

2019-01-10 12:46:46 -0600 answered a question Gazebo crashing after update!

Just double-check that you still have the controller-manager package installed after removing Gazebo.

2019-01-10 12:37:30 -0600 answered a question Is there a way how to transfer a model inside simulation from ROS node?

You can send a Gazebo message to the "/gazebo/default/model/modify" topic. See the message definition here. In the gaze

2018-06-11 11:43:13 -0600 edited question How to build a universal joint in URDF?

How to build a universal joint in URDF? How to build a universal joint in URDF? (use ROS_CONTROL) I wanted to apply a u

2018-06-11 11:42:48 -0600 edited question How to build a universal joint in URDF?

How to build a universal joint in URDF? How to build a universal joint in URDF??? (use ROS_CONTROL) I wanted to apply a

2018-06-11 11:42:23 -0600 edited question How to build a universal joint in URDF?

[!!!] How to build a universal joint in URDF??? How to build a universal joint in URDF??? (use ROS_CONTROL) I wanted to

2018-05-10 15:26:57 -0600 commented question [gazebo-1] process has died with exit code 127. Cannot launch gazebo sim

This is a problem finding a symbol, I wouldn't look in your code. Make sure that you're using the right combination of g

2018-05-10 15:16:35 -0600 answered a question Gazebo plugin which prints values at a specific frequency

One way you can do it is by declaring an extra member variable in you header file: /// \brief Last time the plugin was

2018-02-27 03:24:49 -0600 edited question contact sensor is not working in Gazebo8 ,Gazebo9 and Gazebo10

contact sensor is not work in Gazebo8 ,Gazebo9 and Gazebo10 In gazebo8 ,gazebo9 and gazebo10 (install from source), the

2018-02-22 16:59:57 -0600 edited question Differential drive robot with wheel spin

Differntial drive robot with wheel spin Hi, created a differential drive robot with a ball caster. Tried to set mu1 and

2018-02-22 10:41:18 -0600 answered a question Calculate elapsed time between tasks in simulation

I'm pasting here the text from the section Using Simulation Time from the /clock Topic that you can find here. "In orde

2018-02-22 09:52:11 -0600 edited question Calculate elapsed time between tasks in simulation

Calclate elapsed time between tasks in simluation Hi, I want to see how much time I take to perform one task in gazebo,

2018-02-15 17:24:49 -0600 received badge  Nice Answer (source)
2018-01-22 05:54:09 -0600 answered a question C++ subscriber inside class that updates class variable

You need to declare your subscriber as a member variable. Otherwise, your subJointVel variable runs out of scope in the

2018-01-08 05:32:31 -0600 answered a question Getting distance from model to nearest object

Not directly. The easiest way to do it would be to iterate through the list of models in the world and check the distanc

2017-11-07 11:57:34 -0600 commented question Generate paths from 3d map

Definitely, that sounds like a good idea but I'd start with a very simple custom 2D grid solution to make sure that you

2017-11-06 19:59:47 -0600 commented question Generate paths from 3d map

You need to figure out how to translate from 2D world coordinates to the right cell in your 2D grid. Imagine that you ha

2017-11-06 14:41:45 -0600 commented question Generate paths from 3d map

Of course this only works if your obstacles are static, otherwise you have to rerun this process for the dynamic models

2017-11-06 14:40:42 -0600 commented question Generate paths from 3d map

Of course this only works if your obstacles are static, otherwise you have to rerun this process for the dynamic models

2017-11-06 14:40:13 -0600 commented question Generate paths from 3d map

Of course this only works if your obstacles are static, otherwise you have to rerun this process for the dynamic models

2017-11-06 12:58:53 -0600 commented question Generate paths from 3d map

Of course this only works if your obstacles are static, otherwise you have to rerun this process for the dynamic models

2017-11-06 12:57:45 -0600 commented question Generate paths from 3d map

Of course this only works if your obstacles are static, otherwise you have to rerun this process for the dynamic models.

2017-11-06 12:57:15 -0600 commented question Generate paths from 3d map

Please, correct me if I'm wrong. You have a Gazebo world file with a few models of the world. I'm assuming that there ar

2017-11-06 12:45:51 -0600 commented question Cache error: "E: malformed entry 1 in list file / etc / apt /sources.list.d/gazebo-latest.list the list of sources cannot be read"

Could you please paste the content of /etc/apt/sources.list.d/gazebo-latest.list to make sure it has the right content?

2017-11-03 20:22:01 -0600 answered a question Implementing a neighbours detection Sensor

This is a similar idea of what we're doing in the LogicalCameraSensor. The linear complexity is not awesome but it shoul

2017-10-09 14:25:16 -0600 commented answer programatically generating worlds (from Google Earth KML files)

And please, keep us posted. This sounds like a great project!

2017-10-09 12:26:30 -0600 edited answer programatically generating worlds (from Google Earth KML files)

Here's something related: https://bitbucket.org/ekumen/terminus-simulation/src This is part of the Terminus project th