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Static map and SLAM mapping

asked 2013-11-21 15:35:01 -0500

FuerteNewbie gravatar image

updated 2014-01-28 17:18:37 -0500

ngrennan gravatar image

Hi guys,

What is the difference between static map and map I get from slam or map I draw myself(in .pgm file)?

Because I am using amcl to do known mapping currently and these .pgm image file together with .yaml is working fine to be placed into map_server. And if I were to visualize my map in 3d form (instead of shaded region as wall maybe I can make them looks like a block), is static map what I need?

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answered 2013-11-21 19:55:31 -0500

A static map gets loaded once during startup (or at least that´s the most common usage) and does not get modified over time. During Simultaneous Localization and Mapping (SLAM), the map changes over time as the robot localizes itself in the environment and updates the map.

A .pgm map is essentially just an image file and it does not matter in which way it was created (gmapping, hector_mapping or even just drawing it yourself). You can open a map created with gmapping using some image editor, change parts of it, save it and then use it as a static map for AMCL.

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How to manually draw the static map(.pgm file) instead of Laser SLAM.Is it possible to create ROS SLAM map using CAD drawings?

Kishore Kumar gravatar image Kishore Kumar  ( 2016-08-30 13:45:36 -0500 )edit

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Asked: 2013-11-21 15:35:01 -0500

Seen: 1,557 times

Last updated: Nov 21 '13