GIS Dictionary

[ESRI software] In ArcInfo, a command that removes or deletes features from one coverage that overlap features in another coverage.

environmental GIS

1 [data quality] A measured, observed, calculated, or interpreted value that differs from the true value or the value that would be obtained by a perfect observer using perfect equipment … Read more

1 [uncertainty] In GIS data processing, the persistence of an error into new datasets calculated or created using datasets that originally contained errors. The study of error propagation is concerned … Read more

[ESRI software] A geodatabase table used by the GIS Data ReViewer to track error information through the quality control process. Defects are recorded, resolved and verified in the error table.