ERROR

An error is returned using the Raster Calculator when a shapefile mask is set

Last Published: April 25, 2020

Error Message

This problem is addressed in ArcGIS 8.1 Service Pack 1. See the Related Information section to download this pack.

If a shapefile is used as a mask for an analysis operation, an error, "The cell size value is either invalid or not defined", is returned when using the Raster Calculator.

Cause

This is a known issue with ArcGIS 8.1.

Solution or Workaround

This is fixed in ArcGIS 8.1 Service Pack 1.
Alternatively, specify a cell size in the Cell Size tab of the Options dialog before performing an operation in the Raster Calculator using a mask.

  1. Click the ArcGIS Spatial Analyst dropdown arrow and click Options.
  2. Click the Cell Size tab and specify a cell size for the analysis results.
  3. Perform the analysis using the Raster Calculator.

Article ID:000004085

Software:
  • ArcMap 8 x

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