From a290e4d9b7b18b5088138a547fcf626404c6910b Mon Sep 17 00:00:00 2001 From: Gary Bey Date: Thu, 18 Aug 2022 10:19:23 +0800 Subject: [PATCH] Update dummy_robot/dummy_map_server/README.md Co-authored-by: Audrow Nash Signed-off-by: Bey Hao Yun --- dummy_robot/dummy_map_server/README.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/dummy_robot/dummy_map_server/README.md b/dummy_robot/dummy_map_server/README.md index 1e65a918b..fad59911a 100644 --- a/dummy_robot/dummy_map_server/README.md +++ b/dummy_robot/dummy_map_server/README.md @@ -10,7 +10,7 @@ Please refer to [dummy_robot_bringup](https://github.com/ros2/demos/tree/rolling An occupancy grid can be thought of as a map of an environment that has been divided into grid cells, where each grid cell is either occupied or unoccupied (in advanced applications, they can have other states, too). -This map of occupied and unoccupied grid cells can be used to help a robot navigate a space, for example to drive through a room with furnitures. +This map of occupied and unoccupied grid cells can be used to help a robot navigate a space, for example to drive through a room with furniture. If a robot is navigating a new room, however, there may also be grid cells that are marked as unknown, until that area is explored.