I am working on a robot to build a map of the indoor environment and i want to add details like(room temperature, gas concentration ) to the 2D map formed in order to to decide the environment of the different parts of the map.
It should be like if the gas sensors sensed some fluctuations in gas level it should note the place where the change took place.
I will get the data published from arduino . I want to know i can add these features to the data so that they can be displayed.
I want to stick with the rviz GUI.
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Comment by spmaniato on 2016-07-08:
A hacky and unnecessarily expensive solution is to store that kind of data in a costmap (instead of obstacle cost, it would encode the information you want, such as gas concentration). You would then visualize the costmap on top of the actual map in RViz. A simple Occupancy Grid might also work.