Home (Locational Reference)
Home  
 
 
Home » GIS » Locational Reference


 

Locational Reference

GIS LocationLocation-Allocation

basemap A map containing geographic features used for locational reference. Roads, for example, are commonly found on basemaps. base table A table that is physically stored in the database. Compare with view.

 


UTM Coordinate System, based on the Universal Transverse Mercator map projection, is a planar locational reference system which provides positional descriptions accurate to 1 meter in 2,500 across the entire earth's surface except the poles.

A basemap is used for locational reference and often includes a geodetic control network as part of its structure.

Land Base: Spatial overlay comprised of multiple layers of primitive spatial features that provide a locational reference to other spatial features in the spatial database.

base map - A map containing geographic features, used typically for locational reference and for overlaying specific, discipline data.

[data analysis] A map depicting background reference information such as landforms, roads, landmarks, and political boundaries, onto which other thematic information is placed. A basemap is used for locational reference and often includes a geodetic ...

Here, these terms are used interchangeably and define any type of data that includes a formal locational reference or a description of a location on or near the Earth's surface.
GIS technology emphasizes analysis rather than map-making.

Base Map: A term which varies in different applications, but, in general, refers to a map that depicts the fundamental map elements, such as streets, buildings, streams, etc., which are used frequently for locational reference.

UTM Coordinate System (Universal Tranverse Mercator) A planar locational reference system which provides positional descriptions accurate to 1 meter in 2,500 across the entire earth`s surface except the poles.

On the other hand, a base map will show as few names as are needed since the thematic information is more important, and the base names are just used as a locational reference.
Avoidance of Showing Names for Suburbs ...

See also: Information, Location, Software, Projection, Relation