overlay

1 [analysisgeoprocessing] A spatial operation in which two or more maps or layers registered to a common coordinate system are superimposed, either digitally or on a transparent material, for the purpose of showing the relationships between features that occupy the same geographic space.

2 [analysisgeoprocessing] In geoprocessing, the geometric intersection of multiple datasets to combine, erase, modify, or update features in a new output dataset.

Related Terms

Subscribe to blog

Enter your email address to subscribe to this blog and receive notifications of new posts by email.

Join 253 other subscribers