base map

noun

1. an outline map of an area to which specific information is added for any of various purposes.

Example Sentences

Base map data from OpenStreetMap.

From Washington Post

“We’ll combine this new data with the Galileo and Voyager data and produce a new global base map of Europa,” says Alfred McEwen, deputy principal investigator of Europa Clipper’s imaging system.

From Scientific American

“We want to provide a common base map of what’s on the seabed at a high enough resolution,” said Eric Terrill of the Scripps Institution of Oceanography, who is leading an effort made possible by the many scientists and federal officials who helped fast-track this expedition.

From Los Angeles Times

A base map is needed to represent the main flows of people throughout a city.

From Nature

The mixing indoors at transport hubs, airports, large shopping centres or libraries should be added to the base map, for example by using Wi-Fi signals from smart devices5.

From Nature