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Not sure about the root cause of your issue (Create's power down) but making multiple sub-maps separately for a large area and combining later by using graphic editor is an option.

In my case with turtlebot, after a long-run of gmapping (say an hour or so) the map tends to get corrupted (I see it via RViz), which made me to do the same. As long as maps share the common "interfaces" b/w each other, combining shouldn't be a problem (although I got small pitfalls in editing .pgm files, that's another subject).

Not sure about the root cause of your issue (Create's power down) but making multiple sub-maps separately for a large area and combining later by using graphic editor is an option.a valid work-around to complete a map.

In my case with turtlebot, after a long-run of gmapping (say an hour or so) the map tends to get corrupted (I see it via RViz), which made me to do the same. As long as maps share the common "interfaces" b/w each other, combining shouldn't be a problem (although I got small pitfalls in editing .pgm files, that's another subject).

Not sure about Although this isn't a direct solution to the root cause of your issue (Create's power down) but down), making multiple sub-maps separately for a large area and combining later by using graphic editor is a valid work-around to complete a map.for the completion.

In my case with turtlebot, after a long-run of gmapping (say an hour or so) the map tends to get corrupted (I see it via RViz), which made me to do split the same. large area into pieces. As long as the maps share the common "interfaces" b/w each other, combining shouldn't be a problem (although I got small pitfalls in editing .pgm files, that's another subject).