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2019-05-06 13:20:13 -0500 received badge  Good Answer (source)
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2018-10-15 12:49:10 -0500 commented question libgazebo_ros_diff_drive publishes tf based on wall clock time instead of sim time

Related issue: https://bitbucket.org/osrf/gazebo/issues/2536/update-gazebo8_ros_pkgs-to-fix-abi

2018-10-15 12:48:25 -0500 answered a question libgazebo_ros_diff_drive publishes tf based on wall clock time instead of sim time

This should be fixed in the new release of gazebo8-ros-pkgs (2.5.17). Doing a sudo apt update and sudo apt dist-upgrade

2018-10-10 14:57:41 -0500 commented question libgazebo_ros_diff_drive publishes tf based on wall clock time instead of sim time

what version of gazebo and ROS are you using? Did the problem only started happening recently?

2018-04-03 09:29:45 -0500 received badge  Nice Answer (source)
2018-02-05 19:00:28 -0500 commented question How do you create a model with a programmatically generated mesh?

the OBJLoader in gazebo has code to construct a gazebo mesh. Maybe that'll help: https://bitbucket.org/osrf/gazebo/src/g

2017-12-26 14:07:32 -0500 answered a question failed to Set velocity for joints

Not sure how you're setting velocity but sometimes it's preferred to use set force instead of set velocity. You can als

2017-11-09 14:09:52 -0500 commented answer gazebo shadow with transparent texture

you should be able to take the shadow caster shaders I added in this gazebo_models PR and apply them to your model: http

2017-11-08 12:49:36 -0500 commented question Motion blur in camera images by shutter speed

You can do this in the GPU. You would need some knowledge of OGRE which is the rendering engine gazebo uses. The general

2017-11-02 11:57:53 -0500 answered a question How to create a Stereo Fisheye Camera

unfortunately having wideangelcameras inside a multicamera sensor is not supported yet. Feel free to ticket an issue on

2017-11-01 11:57:41 -0500 commented question Two copter work together in SITL and gazebo

if you're using the ArduCopterPlugin, the port it binds to for communicating with arducopter is harded so I think it may

2017-10-30 18:21:25 -0500 answered a question Plugins don't work in URDF

the link name may have changed during URDF to SDF conversion. You can check in the Models tree in the left panel of gaze

2017-10-30 18:16:25 -0500 commented question Apply force to a joint with Ros?

there is also the ~/apply_joint_effort ros service mentioned in the ROS communication tutorial, though I've not tried it

2017-10-30 18:13:27 -0500 answered a question Move to point in Gazebo environment

The ROS communication tutorial provides examples on how to set model states

2017-10-30 18:08:13 -0500 answered a question Getting stereo images in callback

The callback function should be ConstImagesStampedPtr (note Images). you should then be able to loop through the camera

2017-10-27 11:41:11 -0500 answered a question Parallel Physics: What is the most recent repository?

the feature has recently been integrated into gazebo7 branch: https://bitbucket.org/osrf/gazebo/pull-requests/2775/para

2017-10-23 20:22:55 -0500 commented question Dae texture loading error

when you export the dae file from blender, did you also export the texture uv coordinates? I remember there is an checkb

2017-10-17 11:07:28 -0500 received badge  Nice Answer (source)
2017-10-11 16:57:44 -0500 commented question not able to retrieve sensor's pose from standalone gazebo program

the rotation angles you're getting is relative to parent link so they could be 0s depending on what you specified in SDF

2017-10-10 18:36:35 -0500 commented question cannot launch the Gazebo 8 and get error "undefined symbol".

can you verify that you're on the ign-msgs0 branch in ign-msgs? Make sure there're no left over files from previous sour

2017-10-10 11:56:27 -0500 commented question cannot launch the Gazebo 8 and get error "undefined symbol".

if you installed from source then you'll need to go to your build folder and uninstall using make uninstall. After that,

2017-10-09 18:32:11 -0500 commented question robot slips after upgrade to kinetic

the torsional friction is not enabled by default so I think it's probably not the problem. Given this link has 0 mass an

2017-10-09 18:08:02 -0500 answered a question Controlling a robot in Gazebo using Beaglebone Black

You should be able to install ROS on beaglebone black and communicate with Gazebo through ROS topics. http://wiki.ros.o

2017-10-09 18:03:36 -0500 commented question Is there any way to express the SOFTNESS on object?

gazebo doesn't expose soft body physics functionality from the underlying engines yet. You can maybe try to emulate the

2017-10-09 17:38:42 -0500 commented question cannot launch the Gazebo 8 and get error "undefined symbol".

are you installing ignition-msgs from source? We recently removed the *Stamped msgs in the default branch. You may need

2017-10-06 19:46:11 -0500 answered a question [Err] [BulletHingeJoint.cc:315] bulletHinge not yet created.

I think the bullet hinge joint error messages are likely to be false positives. There are calls to set joint properties

2017-10-06 12:47:08 -0500 commented question Ray plugin (PointCloud2) using gpu

ok I see. In that case, a depth camera? http://www.gazebosim.org/tutorials?tut=ros_depth_camera&cat=connect_ros

2017-10-05 12:05:35 -0500 commented question Is there any way to spawn a real-look tree in gazebo simulation

yes that's correct

2017-10-04 12:41:38 -0500 commented question Is there any way to spawn a real-look tree in gazebo simulation

the trees and grass in that video are generated by code in a branch but I never had time to tidy it up and merge those c

2017-10-03 17:13:27 -0500 answered a question Measuring distances between a Transmitter and a Receiver using Wi-Fi signals in Husky

You can write a simple world plugin that gets the antenna models by name, gets their world pose, then finally compute th

2017-10-03 16:35:36 -0500 answered a question Building imported into Gazebo not visible in Rviz

Did you add collisions to the building? The lidar sensor detects collisions in a model. However, you should be able to s

2017-10-03 16:17:54 -0500 answered a question Which frame does GetRelativeLinearVel() return the velocity in?

yes they should all be in the link frame.

2017-10-03 14:03:14 -0500 answered a question Does camera distortion support generic camera model?

we have fisheye cameras in gazebo (referred to as wide angle camera) but unfortunately we don't support distortion model

2017-10-03 13:40:12 -0500 commented question Ray plugin (PointCloud2) using gpu

there is a gpu_ray sensor, and a plugin for it. Maybe that's what you're looking for? https://bitbucket.org/osrf/gazebo

2017-10-03 13:36:52 -0500 commented question Is there a easy way to get camera data and Depth Data ?

the depth plugin should help get your depth data: https://bitbucket.org/osrf/gazebo/src/3ac47b35d6462dea6569b022fe20e6f2

2017-10-03 13:33:23 -0500 commented question Problem installing Gazebo on Ubuntu 14.04

launching gazebo with the command gazebo --verbose may give you more information. Normally the first time you launch gaz

2017-10-03 13:30:56 -0500 commented question DEM heightmap not showing following DEM tutorial

can you try removing ~/.gazebo/paging directory that holds all the heightmap cache data and try again? Also make sure y

2017-10-03 13:26:14 -0500 commented answer How to get image of wide-angle camera

I see, in that case you would have to write your own plugin to subscribe to the gazebo wide angle camera topic and repub

2017-10-03 08:31:52 -0500 received badge  Necromancer (source)
2017-09-27 21:24:17 -0500 answered a question How to get image of wide-angle camera

wide angle camera publishes to a gazebo image topic like a normal camera. You can subscribe to that topic and get the im

2017-09-27 21:05:56 -0500 commented question Links and joints don't appear in generated SDF

do you have fixed joints in your URDF model? If so, all the links connected by fixed joints could be lumped together int

2017-09-27 20:42:41 -0500 answered a question How to set friction direction in gazebo

this pull request may be relevant. It fixes friction direction for gazebo7 and has also been merged forward to 8

2017-09-08 02:02:54 -0500 received badge  Nice Answer (source)
2017-09-07 13:28:53 -0500 answered a question Simulating GPS outage due to tree foliage

you should be able to get models in the world in your plugin by doing world->GetModel("your_model_name") from there,

2017-09-07 13:10:16 -0500 answered a question Multiple Instances of GZServer and GZWeb

gzweb's websocket server's address is currently hardcoded to 7681 so you'll probably need to manually change it to a dif

2017-09-05 13:08:55 -0500 commented question Applying a force to a link in gazebo plugin

rotate the force vector into thruster's frame? you can get the world orientation or entities using GetWorldPose().rot an

2017-09-05 13:00:01 -0500 answered a question How do I build a world for free flying robotics simulations in space (no ground and gravity)?

You can create your own world file without a ground plane, and set gravity to zero. There are some discussions here wit

2017-08-23 11:59:47 -0500 commented answer What does Gazebo use Random number generator for?

yes that's correct

2017-08-22 13:53:41 -0500 commented answer What does Gazebo use Random number generator for?

here's an answer on the seed does: https://stackoverflow.com/questions/14914595/what-is-a-seed-in-terms-of-generating-a-