2005. a orkaan Katrina [...] puhul ilmestab asja keerukust ühe USA juhtiva geoinformaatiku konverentsi kuluaarides öeldu, et kui oleks taibatud teha veetaseme ja elatustaseme kaardikihtide ülekate, siis olnuksid päästetööd märksa edukamad.
The process of overlay showed the spatial correspondence between the two groups, and knowledge of the relative locations of American and British troops was recognized to be essential to making decisions about troop movements.
Automatic generation of solutions to planning problems can be achieved in some applications through the use of software for network analysis, automatic districting and for spatial overlay to determine the coincidence of a variety of attributes, such as land use and transportation facilities.