D-GIS Glossary,

Posted on Jul 2, 2007 By : Mizake Laziaf
This glossary is a sub-set of one developed by the Urban and Regional Information
Systems Association (URISA)


DBMS
This acronym refers to database management software and refers to software used for entering, editing, managing, and displaying information. The acronym RDBMS is similar but refers to a specific kind of database management software commonly used with a GIS and referred to as “relational database management software”.

Digitize
Digitizing is the process of tracing paper or other documents on a specialized table or “tablet” to capture in digital form lines and points representing map features. The process of converting existing data from paper maps, aerial photos, or raster images into digital form by tracing the maps on a digitizer. Feature locations are encoded as X,Y coordinate pairs in a Cartesian grid.

DXF
Acronym for Data Exchange Format, a standard spatial data exchange format for CAD systems. DXF files contain ASCII or binary (DXB) records each of which describes a vector completely enough so that it can be converted into a spatial feature by any spatial database management product able to process these files.

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