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When reclassifying a raster using a string field, the contents of output raster attribute table may not be as expected.
There are two possible causes for this problem:
· When reclassifying a raster using a string field, grouping values together (right-clicking on a selection of values and clicking Group Entries) results in the wrong information being added to the output raster for the string field.
· Your input raster may contain empty fields.
This issue has been addressed in ArcGIS Version 8.1.2.
In ArcGIS 8.1, the workarounds for the above causes are: