Questions tagged [map-server]

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Could not echo /map topic using Nav2_map_server

I am using ROS2-foxy with ubuntu 20.04 LTS and wanted to load a map using the map_server from Nav2_map server. i found this old thread from ROS answers regarding this (https://answers.ros.org/question/...
nitish's user avatar
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ROS1 working with map_server/change_map

I am currently working on my bachelor's thesis involving changing the map of a robot working in a multi-floor environment. Right now, I want to change the current map published to /map topic. I ...
Konopes's user avatar
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/map topic in rviz2 says no map received though data is published to /map

I am trying to load a map in rviz. I have used map_server and that is working fine. Data is being published to the /map topic as well. When i try to subscribe to /map topic in rviz, it says no map ...
Abhishek Mishra's user avatar
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No map received in rviz

Iam trying to launch the amcl.launch file with MapServer node. and I have taken the map with octomap and want to visualize the map in 3d. so I have created a launch file for that. but i am getting ...
Uday Kumar's user avatar
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[map_server in Noetic]Map_server could not open testmap.yaml error has occured!

I wrote my question because I have looked at past ROSAnswers and could not find a solution. Also, I have recently started learning ROS and would appreciate any pointers as to what I may be doing wrong....
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how to publish map in ros2 galactic?

Hi I installed ros galactic on ubuntu 20.04 using this bash script (https://github.com/turtlebot/TurtleBot4Lessons/tree/main/installation), then I ran turtlebot4 simulation in depot and map its ...
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How to save map by using map_server package according to the topics?

I used the multi_map_merge package to merge map from robot 1 and robot 2. But when I used rosrun map_server map_saver -f ~/map, the map is only saved the merge map ...
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2 answers
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How to publish map continously?

I am using map_server out-of-the-box to publish a pre generated map on the topic /map. But it only publishes the map once on the ...
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Loading map using a service call

Hi, I am having trouble understanding or creating service calls for loading maps using map_server. This link provides idea of how to call it from the terminal. But unable to understand how can I call ...
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Navigation2:[navfn_planner] Original error: GetCostmap service client: async_send_request failed

ROS version: Dashing I've launched the navigation2 on the physical robot After I set the initial pose, both navfn_planner and map_server show some error ...
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Unable to load the map

when i run this command:roslaunch turtlebot3_navigation turtlebot3_navigation.launch map_file:=/home/kannan/catkin_ws/src/tb3_house_map/tb3_house_map.pgm im receiving following error ROS_MASTER_URI=...
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Costmap2DROS object is not correctly created

Hi I have created a node to run navFn using costmap_2d without move_base, as in this link: http://lists.ros.org/lurker/message/20100408.052450.ba663427.en.html (was http://ros-users.122217.n3.nabble....
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Why was PGM format selected to save map?

I was wondering why people at Willow Garage chose .pgm format to save the maps via map_server. I've seen a pull request to let users change format to png but I guess it wasn't accepted and it isn't ...
jash's user avatar
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updating the map partially in a dynamic environment

Hello, I have generated map.pgm with gmapping using teleoperation and RPLidar, and I am ...
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after changing the yaw in the map.yaml, costmap does not take that yaw

I use the below yaml for getting the map using the map_server package. I changed the yaw in the origin tag of the original yaml to -0.102. ...
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Saving map with the path into map.pgm

I want to save the mapping path of the robot as it maps, by first visualizing the path on Rviz and then saving the poses into an array. I am planning to have the robot use this mapping path again and ...
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Issues regarding nodelet_manager and map_server

Hello all, I am facing a startup issue with the nodelet_manager and also with the map_server. I am trying to setup this on a Nvidia Jetson Nano board, though the same setup is working on a Raspberry ...
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Robot seems to ignore map, using TEB and custom-made map

Hi all, I am running melodic and using the TEB local planner. I am having an issue with my use of a custom-made map. It seems that the robot "ignores" the map boundaries and I am not sure ...
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catkin_make: Could NOT find SDL

When I try to use catkin_make, it fails at map_server. I got the following message ...
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How to extract the map matrix after subscribing to /map of map_server?

I need to run Dijkstra's algorithm on this map. So till now, I've used map_server and got the /map and /map_metadata topics. I'm not quite sure how to proceed further. This is what I've done so far. #...
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How can i use a pre loaded map in navigation stack?

I'm making a robot using RPi. I made a map using my hector_slam and rplidar on my laptop, so I have the pgm and yaml files (I was having some issue running hector_slam on RPi). How can I use it in the ...
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Failed to open and upload big image file, map_file and map_server

I am using Kinetic and Ubuntu 16.04.6 LTS, I am trying to upload a map file for map_server and use it for navigation and amcl localization, but it is really big, 25500 x 5300 pixels (.pgm). The ...
Lucas Marins's user avatar
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2 answers
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RTK GPS Localization in known static map

Hey guys, I just have a few question based on localization and mapping with an RTK GPS setup for outdoor navigation. I'm running a setup with RTK GPS positioning and heading, i use a dual kalman ...
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1 answer
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Initial robot pose with respect to map

Hi, I am using map_server to load a map in .pgm format and visualize in RViz. I also load a simulated turtlebot and can see it ...
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1 answer
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ROS Answers SE migration: Loading a map

Hey guys I'm trying to load a map, but I'm getting the following error, ...
Pradheep Krishna's user avatar
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map_server segfaults

Hello, I have been having an issue with the "rosrun map_server map_server map.yaml" command. I have ros kinetic on Ubuntu 16.04 running on a Jetson Tx2. Every time I run the command, the ...
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How to get a collision-free path in a known map with move_base?

Hi everyone, I would like to use the global planner only to compute a collision-free path from pose A to pose B for a rectangular robot from a .png map (To be precise, I mean a nav_msgs/Path Message). ...
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map_server to save map from nav_msgs/OccupancyGrid published by the Google cartographer ROS API?

Hi, I am using Google cartographer ROS API to generate a map. Is it possible to use ROS map_server with this to save the map using rosrun map_server map_server mymap.yaml or retrieve the map using ...
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1 answer
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amcl with rotated map

I know this was asked previously, but since there was no answer, I hope it is OK to ask. I would like to align my map xy axes by specifying an origin in the map's yaml file. However, AMCL does not ...
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1 answer
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map_server can't load map

I have this launch file in order to use nagigation stack. I follower a tutorial on robotigniteacademy path planning but he used husky robots to simulate path planning on gazebo,i want to do the same ...
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1 answer
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Is it possible to make map-server subscribe to image

I want to make map_server subscribe to sensor_msgs/Image Originally posted by rajagrwl on ROS Answers with karma: 1 on 2018-03-21 Post score: 0
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How to load the map for multiple robot navigation?

I have followed the steps in answer for this question to setup multiple robot navigation. Everything is working well except when i launch the navigation the map is not loaded and getting the below ...
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Use map_server inside Docker : node won't launch

Hi all, I'm working with this tutorial to simulate an environment and test my sensors set to benchmark localization and navigation algorithms. I can launch the tutorial with my custom world and ...
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1 answer
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Pass known map to ROS navigation stack

Hi there, I've been using the ros navigation stack with the turtlebot, but right now it's doing SLAM and constructing the map as it goes, is there a way to pass a known map to the map_server? Any tips ...
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1 answer
6 views

hector map static map

Hello everyone, I'm new to the forum and to ROS. I'm trying to use hector_slam without it updating the map. The reason is I have loaded a static map via map_server, the map loads correctly but only ...
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using ros map server with moveit

This question has been asked at the moveit-users mailinglist by Troy Cordie: I know this is a bit of an odd question considering most users are planning for armed platforms. I have a mobile base ...
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1 answer
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how to change map in map_server?

now if i want to change a map , i need kill the map_server node now running, then start it again with other map name. is there another way to change map without restart the node? so thankyou if ...
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1 answer
57 views

Save nav_msgs/OccupancyGrid as png

Hi, map_server saves an occupancy grid as a pgm, but is there a way to save the map as a png? Thanks! Originally posted by mmy227 on ROS Answers with karma: 13 on 2017-06-19 Post score: 0
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1 answer
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ERROR with Map_Server. Not able to open .yaml file. Using prebuilt Map with AMCL launch file- how to execute with RVIZ

I currently have made my map using Hector Slam and saved the map as .yaml file and .pgm . I have downloaded the Navigation stack as well using git source: https://github.com/ros-planning/navigation....
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1 answer
2 views

Navigation nodes aren't found if devel setup.bash sourced in addition to the opt devel

Hi, I have a problem with my navigation nodes in (this is for use with a husky if it matters, but I don't think it does). It came to light when i tried to use mapserver as part of a launch file. ROS ...
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2 answers
33 views

rosrun map_server map_server couldn't find executable

I'm following ros-by-example book and in chapter 8, I'm dealing with things in navigation package. I install the navigation package using 'sudo apt-get install ros-indigo-navigation', it automatically ...
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1 answer
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amcl demo: map_server could not open yaml file (yaml file exists)

tl;dr I am trying to open amcl demo with: roslaunch chefbot_gazebo amcl_demo.launch map_file:=home/neuronet/hotel_world.yaml And I am getting error: ...
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can't manage to use costmap_2d individually (costmap_2d launch file)

Hello, i can create map with gmapping and hector_slam. since i dont have a robot system (just laser scanner) i'm just trying to use costmap_2d individually so i created a launch file (based on example....
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1 answer
8 views

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 ...
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1 answer
6 views

The move_base isn't subscribing to /robot1/map

Hello everyone, I'm trying to add a namespace to my robot. Firstly, I added _${arg robot_name} after all frames. I can control my different robots with ...
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2 answers
68 views

[rospack] Error: package 'map_server' not found

I have used gmapping to build a map ,then I want to save the map: rosrun map_server map_saver . it prints: "[rospack] Error: package 'map_server' not found&...
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1 answer
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How amcl works?

Hi! I use this file: ...
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1 answer
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How to change the topic name for publishing occupancy grid using map_server?

Intent : Using mapstitch_hector to get the position of the bot as well as stitching maps. Problem : Two sets of data are required for mapstitch_hector - /world and /align - in OccupancyGrid format ...
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1 answer
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Map_server fails to publish transform

Map server node fails to publish transform when i execute the below launch file. All other nodes are functioning properly. ...
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1 answer
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Can map_server load a new map at runtime after starting?

I want to have my robot load a new map if it moves off of an existing map into another space. I know how to use the map_server node to load a map when it is started up, but can I then tell it to load ...
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