Questions tagged [gazebo-camera]
The gazebo-camera tag has no usage guidance.
47
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ROS 2 and Gazebo: rviz2 Not Receiving /camera/image_raw and /scan Topics and Fixed Frame Configuration Issues
I am currently facing issues integrating camera and LiDAR sensors from Gazebo into rviz2 within ROS 2. Despite the sensors functioning correctly in Gazebo, I am unable to receive data from the /camera/...
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7
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turtlebot3 gazebo bad lidar camera alignment
I'm running on ROS Noetic.
I'm having problems with camera lidar alignment in gazebo which should have been perfect.
I used the waffle_pi and made 2 adjustments:
...
1
vote
1
answer
297
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sensor fusion of lidar and camera detection
I am trying to achieve sensor fusion between two sensors(camera and lidar). I have two separate node(one is publishing detection results using camera, and other is using lidar and they both are ...
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41
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How to scale gazebo garden camera_info with resolution
for background, I'm detecting the pose of objects based on detected pixels using image_geometry. I've tested this code IRL with an oak-d and found it accurate against a ground truth, so it's working ...
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1
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111
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How to create an orthographic camera sensor in gazebo fortress?
I'm trying to create an orthographic camera sensor for my robot model and have trouble specifying the sensor in a way that I know the px/mm dimensions of the resulting images.
E.g. I want a camera ...
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1
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128
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How to trigger a stereo camera on Gazebo Ignition with ROS2?
Hello,
I'd like to trigger a stereo acquisition from ROS Galactic with Gazebo Ignition (Fortress).
I don't find any documentation. Could someone provide me an example ?
I've found https://github.com/...
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1
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30
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Mismatch between pose of a model in sdf & simulation
Hello,
I want to use a camera in Gazebo & used the model from https://github.com/osrf/gazebo_models. I changed the pose of the camera in its sdf file as follows (& saved it):
...
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1
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19
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How to simulate monochrome / greyscale camera in Gazebo?
Is there a proper way to simulate monochrome / greyscale camera in Gazebo?
The answer to question #3470 suggests setting the <format> tag to ...
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1
answer
45
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Can you render a camera in headless mode?
(version 9.18.0)
I'm trying to run a simulation in a Docker container in which the output of a camera (libgazebo_ros_camera) can be accessed externally. Everything works fine when my display is ...
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1
answer
3
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Create a camera link inside plugin
I can see how to create a new link to a robot from Gazebo plugin, but I do not see how to attach a camera to this link. I want to run a plugin that will attach camera to a specified robot and make ...
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1
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20
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libgazebo_ros_openni_kinect range settings
Hello,
I need to change the min and max range of the depth image from libgazebo_ros_openni_kinect.so.
Any help would be appreciated! :)
Thanks,
Pawel
Originally posted by mrsiekierka on Gazebo ...
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2
answers
8
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Option in World file to make camera follow model
Is there a way to edit the world file to have the camera follow the model? I am rerunning the same simulation right now and trying to save time instead of right-clicking my model and selecting "...
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1
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10
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Gazebo camera plugin error (VirtualBox, Kinetic)
As I try to echo the image_raw topic of the camera, the simulation crashes:
rostopic echo
/robotino/camera1/image_raw WARNING:
no messages received and simulated
time is active. Is /clock being
...
0
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1
answer
8
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How to call gazebo_msg/GetLinkState service for a sensor mounted on a robot?
Hi all,
I have the following problem:
To make my own robot in gazebo (a diff-drive with a laser and a kinect) I wrote the following urdf:
https://github.com/...
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1
answer
1
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Moving a depth camera model in the world without a robot body
I have created a world in gazebo simulation. Next, want to capture images and depth images of the world with a depth camera model at different random positions and orientations. For that, I created a ...
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1
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23
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How to set tag arguments of stereo camera plugin (libgazebo_ros_multicamera.so)?
I have some questions about how to use "libgazebo_ros_multicamera.so" plugin.
what does tag arguments mean ?
Some arguments are both set in and , for example distortion arguments like , ...
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1
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8
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Change view to what the camera is viewing
I have created a world with a robot, a pioneer 2DX and added a camera.
I want to see what the camera is seeing but I don't know how.
How can I change to what the camera is seeing?
Originally posted ...
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1
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3
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Help! Have I dreamed that?
Hi all,
Less than three months ago, I came to know that there was a simulator feature that was really what I needed. A sensor plugin to simulate a "virtual camera" that tells you which ...
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1
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47
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how to read images from a camera in the Gazebo?
hi, everyone, I have the same problem with this http://answers.gazebosim.org/question/16214/how-to-get-image-without-storing-into-disk-from-gazebo/?answer=16977#post-id-16977, I want to read the ...
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19
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How to save camera image when needed?
I am currently following this tutorial to publish image messages using the camera plugin. I can totally subscribe the image_raw topic and save every published image message, but that's not what I need....
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1
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23
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SensorPlugin: how to enforce frame update rate?
The update_rate parameter of the gazebo camera sensor seems to be understood as the upper limit for the frame frequency and does not slow down the simulation time ...
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1
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8
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where is <uri>model://camera</uri>?
I am working on adding 2 camera sensors to my quad, but it uses the same link. Eventhough, I rename the joint. I am thinking of creating another camera model folder and rename the model. However, I do ...
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1
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5
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Customize CameraLens function for Wide angle (fish eye) cameras
In class CameraLens(), [r = c1ffun(theta/c2+c3)], I like to define my own mapping function using theta as input for the function (for example - Polynomial Fish Eye Transform). I like to know what is ...
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1
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5
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Unstable Simulation At Low max_step_size?
My entire world:
...
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1
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6
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Data corruption from camera sensor
Hi All. I could do with advice on how to investigate what looks like intermittent corrupt data being returned from a camera sensor.
I'm accessing the camera image from a model plugin, but when I ...
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1
answer
7
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Adding White Noise to a camera
Hello,
I need to do a grid shearch to caracherize the error of the camera I'm working with in gazebo.
For that I need to add white noise to the camera.
In the URDF I see that Gazebo already does that.
...
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1
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12
views
How do you find the current camera pose?
When the gui is running, how do you find the x/y/z/r/p/y of the current camera pose? It seems to be the only thing not listed in the left-hand panel.
Originally posted by Cerin on Gazebo Answers with ...
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1
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11
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Keyboard shortcuts for setting view angle
Are there any keyboard shortcuts for quickly switching the camera view to +/- X/Y/Z. There are times when I want to view a model orthogonally from the top down along the Z-axis, and it can literally ...
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1
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3
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how to change SetFrame Rate in Camera plugin?
in my camera plugin,I use this method "camera->SetRenderRate(30)"and"SaveFrame()"
but,the frame rate is really slow(http://ppt.cc/Xdzp)
how can I save 30 frame per second?
...
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1
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10
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Changing pixel size of camera
Hello,
how do you change the pixel size of a URDF camera?
I follow the tutorial in Gazebo but it doesn't say how to do this.
Thx so much friends.
Originally posted by Paulo on Gazebo Answers with ...
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1
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7
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Gazebo camera plugin rendering meshes in wrong order
Trying to load a URDF model in Gazebo, and everything looks good in the Gazebo window. The model includes a Kinect , and when I look at the camera output, it renders the (.STL) meshes in the wrong ...
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1
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1
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How to use UserCamera->ViewController()?
I am running gazebo2.2.
I want to control UserCam ,and looked up in API doc(http://osrf-distributions.s3.amazonaws.com/gazebo/api/2.2.1/classgazebo_1_1rendering_1_1UserCamera.html#...
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2
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86
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How do you render a realistic outdoor world with Gazebo?
How would you simulate an outdoor environment with the Gazebo simulator? e.g. I would need to provide a texture map of the ground, sky and background, so that the robot sees more than just a flat ...
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1
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2
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Can't Convert output of Camera to String
Dear All,
I have a big problem and i should solve it immediately, i want to do an image processing project, i add a camera sensor in gazebo (standalone gazebo 1.8.7 without ROS), and i can't get ...
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1
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17
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Gazebo grass/pavement plane flickering
Hi all,
I built a simple model of outdoor environment using grass plane and pavement plane models (from DRC simulator database). My world file looks like this:
...
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1
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6
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[quick question] what is color descption and <format> in SDF?
hi
I have quesiton about the tap.
The tap is under:
<sensor>
<image>
<format>
According to Gazebo Sdf ...
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1
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3
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Extra Characters in output of Camera
Hi Dear all,
i don't know that it's my wrong or there is fault in libcameraplugin, when i run this command:
gztopic echo /gazebo/default/camera/link/camera/image
i ...
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1
answer
13
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output of camera plugin in standalone gazebo
Hi all,
Dear Friends, i want to do a simple project and i need to image processing, i should say that i work with standalone version of gazebo (1.8) (without ROS), so, i inserted a camera in gazebo ...
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1
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3
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How to subscribe a callback for an Atlas camera
Good Evening.
The problem is my camera handlers don't work when I'm trying to run Atlas in server mode. Another handlers work.
I'm trying to subscribe to Atlas sensors: /multisense_sl/camera/left/...
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1
answer
4
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Streaming Camera Data to Separate Application
I am in the process of building an application where I would like to embed the Gazebo simulation environment only into my application and then run non-interactive ROS modules on it. It seems like I ...
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1
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2
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DRCSIM: VRC is Black and Gold
I can understand why we would want Pittsburgh related Easter Eggs in all the VRC environments, but I am a little curious why the walls of the starting pens appear black with a yellow (gold?) stripe in ...
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1
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7
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Problem: Depth camera plugin does not show any coloured images
Hi everybody,
I'm currently trying to attach a camera to a robot. While that works fine, it seems that I can only see the depth images it produces and not the RGB images it should (I think?) also ...
0
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1
answer
4
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Is it possible to control the GUI camera with python to follow a model?
Using the current Gazebo GUI it is possible to focus the camera on any model using the "Move To" option. However, the camera doesn't "attach" to the model, i.e. the camera doesn't ...
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1
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2
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Mouse zoom / camera placement inconsistencies
OSRF team,
When I try to move around in Gazebo, the way the software is set up seems to be that based on where my mouse is on the screen, this affects the zoom speed AND the location of the zoom ...
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1
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4
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Poor Stereo Output
The following link is some captured point cloud data visualized in Rviz following the DRCSIM tutorials. The robot is in the golf cart, set to drive in a circle, with a box placed nearby to try and &...
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1
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6
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World camera: impossible to change its initial position in Gazebo with ROS Fuerte
Hello,
I'm new to Gazebo. I'm using Gazebo 1.0.2 with ROS fuerte on Ubuntu 10.04 LTS.
I am trying to change the initial world camera position in Gazebo but I'm facing the same issue described in this ...
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1
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10
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depth camera min max range adjustment
How can I adjust the minimum and maximum range provided by the depth cameras? Thanks.
Originally posted by Dubya on Gazebo Answers with karma: 1 on 2012-10-23
Post score: 0