THE MARYLAND-NATIONAL CAPITAL PARK AND PLANNING COMMISSION
PG Planning
Glossary of Planning and Geographic Information Systems (GIS) Terms Glossary of Planning and Geographic Information Systems (GIS) Terms

Glossary is usually defined as an alphabetical list of technical terms in some specialized field of knowledge. This knowledge base glossary provides a collection of knowledge base documents that define many technical terms. These terms are arranged alphabetically, but you can quickly jump to a specific term by selecting its first letter from the index of the knowledge base glossary below.

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Term
Raster
A cellular data structure composed of rows and columns for storing images. Groups of cells with the same value represent features. (See also Grid).
See also:  Grid
Reclamation
The action of returning to use, such as the returning of strip-mined land to a new use by recontouring and replanting.
Record Plat
An official plat of subdivision as recorded in the Land Records of Prince George's County, Maryland.
Recreation - Active
Includes activities such as swimming, skating, hiking, biking, fitness trails, frisbee or conventional golf, baseball, basketball, etc.
Recreation - Passive
Reading, sitting on a park bench, viewing scenery, picnicking and/or visiting with friends.
Reforestation
The replanting of trees on recently forested land as required by the publication, A Technical Manual for Woodland Conservation with Development in Prince George's County (October 1992). (See also AFFORESTATION.)
See also:  Afforestation
Regional Centers
Concentrations of regionally marketed commercial and retail centers, office and employment areas, some higher-education facilities, and possibly sports and recreational complexes. Regional centers are, or can be, effectively served by mass transit. (See also COMMUNITY AND METROPOLITAN CENTERS.)
See also:  Community (as Defined in Some Master Plans), Metropolitan Centers
Regional District Act
An act of the Maryland State Legislature that sets forth the duties and responsibilities for planning, zoning and subdivision in Prince George's County (except the City of Laurel). The act (Article 28) delegates these responsibilities to the District Council and the Maryland-National Capital Park and Planning Commission.
Relational Database
A method of structuring data as collections of tables that are logically associated to each other by shared attributes.
Remand De Novo
A return of a zoning case back to the Planning Board for the purpose of processing the application over again as if it were a new one.
Resolution
Resolution is the accuracy at which a given map scale can depict the location and shape of geographic features. The larger the map scale, the higher the possible resolution. As map scale decreases, resolution diminishes and feature boundaries must be smoothed, simplified, or not shown at all. For example, small areas may have to be represented as points.
Resolution
Resolution is the accuracy at which a given map scale can depict the location and shape of geographic features. The larger the map scale, the higher the possible resolution. As map scale decreases, resolution diminishes and feature boundaries must be smoothed, simplified, or not shown at all. For example, small areas may have to be represented as points.
Revitalization Overlay
A method of designating areas that will be targeted for revitalization assistance. Designations will be temporary (generally from five to ten years), limited in size (generally no larger than ten acres) and will focus attention on neighborhoods that are experiencing: (1) problems with attracting investment due to obsolescent infrastructure and facilities, and/or (2) concentrated levels of household poverty with elevated levels of social and economic distress.
Right-Of-Way
(A.) A general term denoting land or an interest therein, usually in a strip, devoted to transportation or other public purposes (e.g., utilities). (B.) the legal right to pass through the grounds of another; also the public strip of land on which a highway, railroad, transit line or other public utility (power and sewer lines) are built.
Rubblefill
Fill placed in a controlled manner consisting of construction and/or building demolition rubble, including both irreducible materials (concrete, rock, brick) and those subject to decay (lumber). Such fills, in addition to rubble, may accept root material, brush, tree limbs, and stumps.