| 释义 |
base map
base mapA map or chart showing certain fundamental information, used as a base upon which additional data of specialized nature are compiled or overprinted. Also, a map containing all the information from which maps showing specialized information can be prepared. See also chart base; map.Base map
base map[′bās ‚map] (mapping) A map having essential outlines and onto which additional geographical or topographical data may be placed for comparison or correlation. Also known as mother map. Base mapGraphic representation of a defined area, such as a particular site, neighborhood, town, region, or state, showing legal boundaries and physical features. base mapIn urban planning, a map indicating the significant existing physical features of an area, i.e., streets, rivers, parks, railroads, etc., and serving as a foundation for all subsequent mapping. |