From 3D to 2D - where to start?
I need to convert some 3D-maps made with rgbdslam/rtabmap-slam into 2D gridmaps, but really don't know where to start. Can someone please answer me some question to get this done? 1.) rgbdslam: can...
View ArticleHow do you take LaserScan data and convert to a point cloud and also do ICP...
So I am still learning ROS, c++ and Ubuntu (14.04), and I am stuck and haven't been able to implement any similar solution thus far. I am hoping someone else has been in a similar situation and can...
View ArticleFusing Lidar data with IMU data (please verify my understanding/plan)
Hello everyone, I have a Neato XV-11 Lidar and a Sparkfun Razor 9DOF IMU. I have been able to get a live LaserScan, and PointCloud via laser_scan_assembler (periodic_snapshotter every few seconds). I...
View ArticleDoes ROS support 2D image to 3D scene inference?
Does ROS have a service that does this without any depth Data?
View Articlewhat are the current state-of-the-art SLAM algorithms for these scenarios?
Hi, Have found that SLAM is not an algorithm but a framework for localization and mapping. After searching, found that it has been around for 30 years and many approaches have been taken to solve the...
View Articlegeometry_msgs/Vector2 ?
Is there an extension of `geometry_msgs` including 2D types, such as `geometry_msgs/Vector2`? I don't seem to find such a package on Github, for example.
View ArticleBest ROS Kinetic webcam driver?
Hi all, What is the best webcam driver for ROS Kinetic? I've looked around and it appears libuvc_ros might be OK, but will this work with integrated laptop camera too? Thanks in advance! Regards, Martin
View ArticleNavigation Stack : Speed of Robot
So finally got things working, again people on here are awesome and I am actually now reading a book on ROS to fill in the gaps. I used code from https://github.com/DaikiMaekawa/navigation2d_example...
View Article2D nav goal doesn't work
I have been given the task to fix this custom robot to have the ability to use the 2D nav goal this has been a project handed down student to student There is an existing roslaunch that activates all...
View ArticleI am trying to create a yaml file to use a predrawn 2d map in a .pgm format...
Hey. I am trying to use a pre-drawn map made in .pgm format to allow my turtlebot to nagivate through it. I have the .pgm file but do not know how to convert that into YAML as I have only heard from...
View ArticleHow to generate 2D map using kinect?
I'm implementing the navigation stack, and now I'm trying to replace the map server with package which can work with kinect and generate the same output for the navigation stack. any suggestion because...
View Article3d vision sensor
hi I have question about ZED and ZR300: 1- can we use these sensor as Kinect like using depthimage-to-laserscan pkg and provide 2d data for mapping. 2- If we cant use it like Kinect, I can get 2d Lidar...
View Articlei m new to c++ and ros and want to build my own mapping algorithm using laser...
i have recently started working on ros and just built one code that subscribes laserscan msgs and convert them to x y and z coordinate. Now i want to print the pointcloud in rviz and use it in scan...
View ArticleSlam mapping with Rviz, realsense and a turtlebot
Lately, I started a hobby project of my own. This involves 2d SLAM gmapping using a realsense 3d camera, a kobuki base (turtlebot) and Rviz for subsequent visualisation. I'm starting it up by the...
View Articlehow to change the transform according to a transform tree
i have a bag file containing a transform tree and want to make a map from gmapping and hector slam. i want to know what all changes i have to make in the transforms in order to get the result..
View ArticleHow to get 3d image with different 2d lidar model
Hi, I can obtain 3d image with 2d hokuyo uxm-30lxh-eva Lidar but now ı want to obtain 2d urg-04lx ug01 . But when I apply the same operation and code. İt didn't work . what should i do differently for...
View Articlecustom message for matrix or 2d array
Hi! I need to publish a matrix as a ROS message and I was looking around for common types of messages to see how 2d arrays were used. I checked on the following links...
View Article2d image map from Lidar
Hi, I need to produce a 2d image map from incoming lidar data. The map needs to be generated from scratch every time new lidar data is published, and should be in the form of an image topic. Any ideas...
View ArticleHow to publish 2D array of int type
How does one go about publishing a 2D array of the integer type in ROS? I am using C++ for this node i am writing. #include "ros/ros.h" #include //include? int main(int argc, char **argv) {...
View ArticleWifi Mapping over 2D SLAM
I am completely new to ROS. Without a massive amount of reading mostly in the wrong directions, down rabbit holes, I want to distill the essential details of how to solve this problem below. 1. Create...
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