how to get free space after inflated obstacles

asked 2014-10-10 15:21:05 -0500

acp gravatar image

updated 2014-10-10 15:26:21 -0500

Dear all

I have an issue, maybe some one can give me an advise, and thank you in advance.

I have a global map, and I would like to get the free space that reminds after the inflation of the obstacles. Or, I would like to have a valid coordinate that it is not placed within the inflated obstacles area.

Cheers

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