I am getting an error while using Region Group on a large dataset. The errors are specified below: [INDENT]ERROR 999999: Error executing function. The table was not found. [VAT_final002] A column was specified that does not exist. A column was specified that does not exist. ERROR 010005: Unable to allocate memory. ERROR 010067: Error in executing grid expression. Failed to execute (RegionGroup). [/INDENT] I am currently running ArcGIS 10.1. I have 4 GB of total RAM. The raster I'm processing has 154242 columns and 97288 rows with 30x30 cell size (approximately 500 MB file size). All values = 1 or "nodata". Has anyone found a solution to this than having to process in small sections? Thanks! Rudy
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