Update visualization on property changes with latched topics #32
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OctoMaps are not redrawn until a new OctoMap message is received when changing properties, which is often never the case as octomap_server uses latched topics. This is a workaround that subscribed to the topic again, to receive the message from the latched topic again. This PR solves issue #8.
The other (less workaroundy) option to achieve this without having to re-receive the OctoMap message would include storing the received OctoMap which would increase the memory consumption of this display.