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The Map display shows a nav_msgs/OccupancyGrid message. The occupancy grid is treated the way the navigation stack treats it. A value of 100 is black (occupied), a value of 0 is white (unoccupied), and anything else is gray (unknown).

Properties

Name

Description

Valid Values

Default

Topic

The topic to subscribe to

Any valid Graph Resource Name

Empty String

Alpha

The amount of transparency to apply to the map

[0-1]

1

Request Frequency

How often to re-request the map, in seconds. A value of 0 means to never re-request the map.

0+

0


2019-07-20 13:12