publishing custom pointcloud2 message
hii, I am trying to publish message on topic point cloud 2. The value of x is in double. The value of y is in double. The value of z is in double . The value of intensity in in Uchar. Can some one...
View ArticleTried to insert a message with time less than ros::TIME_MIN Aborted (core...
Hello, after successfully reading `.pcd` file from a file as asked on my [previous...
View ArticleConversion from Point Cloud (PCL) to PointCloud2 (ROS) not showing result on...
Hello, I followed [this tutorial](http://wiki.ros.org/pcl/Tutorials) using `PCL` libraries to perform the conversion from point cloud into a `ROS` readable message `PointCloud2`. After compiling and...
View ArticleIn-Place Modification of PointCloud2 message?
I am subscribing to a `sensor_msgs/PointCloud2` message (points with: x,y,z,intensity) and I would like to change the intensity value based on some heuristic in my code. In principle the code looks...
View Articlehow to keep speed when use point cloud with object detection
I am using a SSD (single shot multibox) detector to detect the objects, the speed was 33 frames per second before adding point cloud to estimating the distance between the object to the camera which is...
View ArticleHow to convert PointCloud2 message to a grid?
I'm using a Velodyne sensor which publishes on `/velodyne_points`, and Its class type is `PointCloud2`. Now I want to convert `PointCloud2` message into a grid space (cylindrical) instead of spherical...
View ArticleHow to save OctoMap data everytime?
Hi, I'm getting a 3D map using the OctoMap server package. But As the vehicle moves in this mapping, the map updates itself to the exact location where the vehicle is moving. What I want to do is not...
View ArticleOrganizing point cloud from HDL-32E
Hi there, in order to accelerate the data processing on my HLD-32E I would like to organized the data. To this point, I could, under Octave, compute manually an point cloud. But I do actually have no...
View Articlelaser_assembler not giving output
Hi! I am trying to assemble point clouds (PointCloud2) received from a Kinect sensor mounted on a mobile robot, both of which are being simulated in Gazebo. I have been following these...
View Articledoes PointCloud2 have redundant fields?
I'm thinking of hijacking the PointCloud2 message to display a set of data. Each data point has position, orientation, and another integer value. I see that I have to tell PointCloud2 the width/height...
View ArticleVisualize pointcloud2 without PCL
I have a stereo-camera and it provides rgb images as well as pointcloud2 data, to which I subscribe like this: self.pointcloud_sub = rospy.Subscriber("/nerian_stereo/point_cloud", PointCloud2,...
View ArticleIssue with message_filters and PointCloud2 in python
I want to subscribe to pointcloud data and image data and sync them and then publish them again. I have written a short and simple script for this: import rospy from sensor_msgs.msg import Image as...
View ArticleGenerate and publish PointCloud2 in ros2?
What's the most convenient way to generate a bunch of points in a loop, assign xyz (and possibly rgb), and then publish as a PointCloud2? I'm interested in a full C++ code example mainly but python...
View ArticleSICK MRS6124 detecting phantom data, how to filter pointcloud2 data by distance?
Hi everyone, I am using the [sick...
View Articlekinect2 dont take all point clouds
Hi everyone my kinect 2 does not save the entire point cloud that is displayed in the rviz or in the viewer, ignores surfaces and some elements(walls, objects, ground, etc) the strange thing is that in...
View Articleproblem in calculating coordinate from PointCloud2
Hi all, this is my callback void get_point_cloud(const sensor_msgs::PointCloud2 &img) { sensor_msgs::PointCloud2 img1; tf::TransformListener listener; tf::StampedTransform transform;...
View ArticleTarget pose from pointcloud
Hi, I'm using ROS kinetic and PCL to find a target point. The aim is to use moveit to move to the target point/pose. I used pcl to create a concave hull and as shown in the code below, I publish the tf...
View Articlebuild octomap using pointcloud2 data
I could use a little help getting Octomap to publish occupancy grid cell data. I have been reading the explanation on the ROS Wiki for how to build an Octomap using the octomap_server node, and...
View Articlerviz stops node from publishing
Hallo, I have weird problem with rviz in ros. I have a node, who receives a PointCloud and formats it into a PointCloud2 and publishes a PointCloud2 message afterwards. I can display that pointcloud...
View Article
![[-100%] Commodity Intelligence – (Android Apps)](http://play-lh.googleusercontent.com/j67-qJvmnn4xnVlYVZ9ZhtZUJIgwjKekJGoKQT6D1KHcWGZxtQaFroummEvwV17na7tyh1pGbbeWCRdWtTKqeg=w950-h950)