Hi there - I'm having this problem currently, I have a point shapefile with over a thousand point elevations and the "Topo to Raster" tool gives me the error "ERROR 010418: The input feature data has less than the minimum number of points, 5, as required by the operation". I've tried making the input name really computer friendly (just letters) and even moving it into the "root" directory of the project and making sure that the output file name is less than 13 letters, and no cigar. Also using ArcMap 10. Pointers? Olivia
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