GIS Dictionary

overlay

1 A spatial operation in which two or more maps or layers registered to a common coordinate system are ...

overprinting

1 In cartography, portraying cartographic updates on a map by printing new or modified information over the original cartography, ...

override

1 In network datasets, a type of junction connectivity policy in which the way junctions connect to other ...

overview

In ArcGIS, a lower-resolution image created to increase display speed and reduce CPU usage when viewing a mosaicked ...