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Is there an easy way to create a grid ring buffer in Manifold 9? I dug out a bit of code from Manifold 8 which created one using a distance function between a vector object and each pixel centroid, but I can't see how to do this at a tile level in M9. Perhaps the least cost path functions can be used? At the moment, I am doing it by first creating a vector buffer and then transposing this to a surface. I would however prefer to do this straight in the surface, being able to specify a buffer distance and a maximum number of buffers. Thanks in advance for any thoughts.
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