English: On this picture we have a grid of the NF1 algorithm (also known as Grassfire). We see the goal in red and the distance to goal is presented by shades of gray. The black cells are obstacles (infinite distance).
({{Information |Description=On this picture we have a grid of the NF1 algorithm (also known as Grassfire). We see the goal in red and the distance to goal is presented by shades of gray. The black cells are obstacles (infinite distance). |Source= |Date=200)
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