When attempting to reclassify a raster in a student edition of ArcInfo 10, the program crashes without an error upon reaching 100%. The reclassified raster is written, but with no spatial info. I've got Spatial Analyst and the latest service pack. I suspected it might be a RAM issue, so I split the raster, but I'm having the same problem even with the much smaller dataset.

Edit: The plot thickens - I copied the file and mxd to a different location on the desktop, and now the reclassify works! Could having the original file located inside too many folders possibly have caused the problem?

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    I often have trouble using spatial analyst and geostatistical analyst with large dataseets working over the network. Like with your experience, moving the data locally usually solves the problem. Feb 28, 2013 at 22:09
  • Hmm, does ArcMap have a max filepath length?
    – BRZA
    Mar 1, 2013 at 17:36

1 Answer 1


There is some agreement here that Reclassify is not the most efficient tool in ArcGIS. A few alternatives, depending upon your needs, that may provide a more efficient approach, include:


Determines which values from the first input are contained in a set of other inputs, on a cell-by-cell basis


Performs a conditional if/else evaluation on each of the input cells of an input raster.

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