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I have an unsupervised classification dataset of a SPOT 6 image created in ERDAS IMAGINE and I now want to edit the class names in ArcGIS Desktop 10.2.

I have done this successfully for a number of unsupervised classification datasets already, however the one I am currently working on will not allow me to edit.

When I click Start editing, I just get the following error:

enter image description here

The file is an unsigned integer 8-bit raster TIFF file created in ERDAS IMAGINE.

  • You can add field to the table and populate it using field calculator – FelixIP Feb 1 '17 at 18:32
  • @FelixIP The 'add field' option is disabled for the raster – J Clifford Feb 2 '17 at 10:45
  • Result of classification is single band integer raster. Yours is something different. Can you see the table? – FelixIP Feb 2 '17 at 17:25
  • @FelixIP As far as I can see from the attribute table it is a single-band 8-bit unsigned integer raster. Yes, I can see the table - it has all the 40 separate classes plus empty classes going up to 255(which the other classified files did not have). However, I tried exporting it in ArcMap to create a new file and now I cannot see the attribute table at all and it will not let me build one. – J Clifford Feb 7 '17 at 11:53
  • Please always provide errors as text rather than pictures so that they are available to future searches. – PolyGeo Dec 12 '17 at 5:38

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