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Questions tagged [pointclouds]

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2D Rigid Scan Matcher for Sparse Points (<=3) for Global Localization

I am working on a wheeled robot in ROS2 Humble that navigates in the XY plane. The robot currently uses wheeled odometry for position estimation, but due to its dead reckoning nature it experiences ...
Soham Patil's user avatar
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Publishing consecutive Pointcloud2 messages for visualization in RViz

I want to view a PointCloud2 topic in RViz. This topic is essentially a 3D map that is being updated incrementally via new PointCloud2 messages. Suppose I have multiple PointCloud2 messages being sent ...
hunterlineage's user avatar
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How do I get the transformed point cloud from in callback? I'm not getting a rotated cloud in my CB

Hello everyone, I have a hardware setup which consists of a Keyence SZ-V LiDAR and a Razor 9-DOF IMU. There is no real robot, I just have the two sensors somewhat attached so that I can move them at ...
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Not receiving published clouds

Hi everyone, I adapted the ensenso_grabber example from here and in a an attept to publish the clouds for onward processing in another node, I decided to publish the processed clouds and images. ...
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pointclouds2 tf from map frame to sensor frame for octomap

I am simulating my robot with the kinect in a created world in Gazebo. I can visualize the point clouds and images from RGB and Depth cameras in RVIZ. I want to take those point clouds and create a ...
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How to extract a point cloud from Kinect recorded videos (.oni files)

Hi there, When a live Kinect is connected, launching openni with roslaunch openni_launch openni.launch starts publishing point clouds at topic ...
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How to use pointclouds from Kinect?

Hello I would like to use the pointclouds from the Kinect to do ICP and do lokalization with Hector Mapping or robot_pose_ekf. Is there any help how to use Kinect with pointclouds for that purpose? ...
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Point cloud SLAM

Hello I have a problem with the lokalization of my platform when running through corridors or between two tides walls. I tried to use the Hector Mapping but when for example driving the platform up/...
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1 answer
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Align Point clouds from multiple kinects

Hi, I am using two Kinects to capture an object. In this scenario the cameras are rigidly attached to a surface and their poses are also fixed. I have obtained the relative camera poses using "...
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1 answer
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Providing MoveIt! with (external) octomap data

I'm aware of the possibility of quickly setting up MoveIt! to use point cloud sensors and generate octomap data from their clouds, but what I'd like to do is retrieving a area of interest from another ...
Stefan Kohlbrecher's user avatar
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RGBDSLAM Headless, Error: Input point cloud has no data!

System description: Ubuntu 11.10, 64-bit, ROS Fuerte, RGBDSLAM installed/compiled, openni_camera/openni_launch installed My goal right now is to generate a point cloud via a robot, running RGBDSLAM in ...
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