cmd_vel topic can be manipulated but no messages are received
Using ROS Kinect + Gazebo 7 I'm controlling an AR.Drone. Everything works fine, I can move the drone using the teleop_twist_keyboard or using a Python script done by me, but when I try to see the...
View ArticleIs it possible to modularize world files?
It would be useful if I could define kind of basic world in one file and then include this world file in other world files that would add different models and configuration to the simulation. Is there...
View Articlegazebo heightmap rendering weird
I was using heightmap of a room layout in gazebo and rviz to visualize the camera view. However, the rendered view is not stable - i.e. the ground keeps flickering and the walls are loaded in a strange...
View ArticleProtobuf version error on Ubuntu 18.04 and gazebo9
Hello, I try to build an external plugin with gazebo9 on ubunut 8.04 form OSRF repo and it fails with many error like "/usr/include/ignition/msgs1/ignition/msgs/color.pb.h:17:2: error: #error This file...
View ArticleSome links in Install on Windows fail
In [Install on Windows](http://gazebosim.org/tutorials?tut=install_on_windows&cat=install), the links of protobuf 2.6.0 and Qt 4.8.6 fail so that I cannot download the files. Does anyone know...
View ArticleGazebo 9 ROS Melodic - diff robot pluggin rotates robot in the incorrect...
Hi I have installed ROS Melodic, and have noticed that when I send "cmd_vel" commands with a positive sign for the rotational velocity the robot rotates clockwise.... This does not happen in ROS...
View ArticleClik here to view.
Ignite Your Passion With Viagra
Perhaps no other drug in the entire history of humankind has achieved as much fame (and at the same time, notoriety) as Viagra. Targeted at curing impotency, this drug - developed by the pharmaceutical...
View ArticleHow can simulation multi-layer(vertical) using gpu_ray sensor?
I would like to simulate the Velodyne Laser. Velodyne sensor vertically and horizontally in a number of Ray information has to be obtained. So, I try to implement as Ray Sensor Plugin, but is very...
View ArticleI need a clear tutorial how to build a robot from scratch (not already...
 I made this simple robot but I can not control the two joints with cpp plug-in
View ArticleCreating a map in Rviz using Gazebo model
Hi everyone! You guys have been a huge resource to me and my team. I am part of a group that is using ROS to make an Autonomous Valet System. I am doing the simulation for it and I'm having problems...
View ArticleClik here to view.
Basic SEO Every Graduate Should Know (and Why Employers Will Love You for It)
That is $150 over specialized along with $400 over venture. Link Assistant will be building a particular marketing take care of extraordinary financial savings in SEO PowerSuite. Obtain the expert...
View ArticleWhen trying to set_velocity_plugin I get make error: class...
I am using Gazebo v 9.4.1. I wish to use the set_velocity_plugin as described in the [tutorial](http://gazebosim.org/tutorials?tut=set_velocity#SetJointVelocityInstantaneously/"Tutorial"), the error...
View ArticleHow do I plot my messages
I am publishing a `LaserScan` message over ignition transport and I want to plot it in the utility shown here: https://www.youtube.com/watch?v=G5qBaEXpkvE I don't see the topic anywhere in the topic...
View ArticleHow to give pose values for robot and how know the position of an object in...
I am trying to complete this [link text](http://gazebosim.org/tutorials?tut=build_robot) tutorial. In this how to get pose values and how to know the position of an object while it in gazebo...
View Articleget all topic names in C++ API
I am able to get advertised topics with **std::list topics; topics = gazebo::transport::getAdvertisedTopics("");** How to get all topics which are present but not advertised/published ( like...
View ArticleHow to generate large number of random particles which are continually moving...
Hi , I am using gazebo + Ros (melodic) + URDF for my robot. I have created a contact sensor as below. Now I need to generate huge number of random particles (like small bubbles) which are continuously...
View Articlewhy does RemoveSensor() on sonar sensor during Load() cause a crash?
Hi, I'm writing a ModelPlugin to run alongside a model specified in SDF (Gazebo 7.0). The SDF includes a snippet for a sonar sensor and a camera sensor, and I want to delete them in the plugin...
View ArticleHow to add wind to gazebo 7 ?
I tried including wind class in gazebo 7 but it says there is no such class. I checked the documentation and if I am correct I think wind class is not there in gazebo 7. Then how to simulate it ?...
View ArticleClik here to view.
Get model position from objects ( Position is not exact)
Hello guys, i never get an answer to my problem so i think i will describe the problem a bit better this time. So i want to get the position of the Objects in my world. It worked good so far the...
View Article