On Thu, May 13, 2010 at 5:49 PM, Ivan Dryanovski wrote: > However, the execution time of this loop grows linearly with the > runtime of the program. > While 1-2 seconds does not sound bad, I assume that this will only get > worse, since it grows linearly with the number of scans processed. hi Ivan, I've also noticed that the time required to produce the occupancy grid grows over time. I don't find this too surprising, because presumably there's more raytracing to be done with each added pose / scan. But if you find a more efficient way to produce the grid, please let me know. brian.