Planning Subareas of Loudoun County, VA (2012)

Metadata:

• Identification_Information
• Data_Quality_Information
• Spatial_Data_Organization_Information
• Spatial_Reference_Information
• Entity_and_Attribute_Information
• Distribution_Information
• Metadata_Reference_Information

Identification_Information:

Citation:

Citation_Information:

Publication_Date: 20120326

Title: Planning Subareas of Loudoun County, VA (2012)

Geospatial_Data_Presentation_Form: vector digital data

Description:

Abstract:

This GIS layer contains the geographical boundaries of Loudoun County, Virginia's planning subareas.

Purpose:

Planning subareas are used to facilitate planning services, demographic forecasting, capital facility planning, and service delivery. Loudoun County originally defined ten geographical regions within the County to identify service delivery areas and as a guide to the placement of new capital facilities. Today, these planning subareas have expanded uses. Today, these planning subareas are also used to forecast long range trends and needs, and more generally for sub-county analysis.

Status:

Maintenance_and_Update_Frequency: As needed

Spatial_Domain:

Bounding_Coordinates:

West_Bounding_Coordinate: -77.963439

East_Bounding_Coordinate: -77.323973

North_Bounding_Coordinate: 39.326230

South_Bounding_Coordinate: 38.844263

Keywords:

Theme:

Theme_Keyword_Thesaurus: none; employee generated

Theme_Keyword: Subareas, planning

Theme:

Theme_Keyword_Thesaurus: ISO 19115 Topic Categories

Theme_Keyword: planningCadastre

Place:

Place_Keyword_Thesaurus: none; employee generated

Place_Keyword: Virginia, Loudoun, County

Access_Constraints: None

Use_Constraints:

These data were generated for use by Loudoun County and are available to the public. These data are intended for use at 1:2400 scale or smaller. Acknowledgement of Loudoun County would be appreciated in products derived from this data.

Point_of_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: Loudoun County, VA, Department of Planning

Contact_Position: Public Information Counter

Contact_Address:

Address_Type: mailing and physical

Address: 1 Harrison Street S.E., 3rd floor

City: Leesburg

State_or_Province: VA

Postal_Code: 20175

Country: US

Contact_Voice_Telephone: (703)777-0246

Contact_Facsimile_Telephone: (703)777-0441

Contact_Electronic_Mail_Address: dop@loudoun.gov

Hours_of_Service: 8:00-5:00 EST, M-F

Native_Data_Set_Environment:

Microsoft Windows Server 2008 Version 6.0 (Build 6002) Service Pack 2; ESRI ArcGIS 10.0.5.4400

Data_Quality_Information:

Lineage:

Process_Step:

Process_Description: Subareas coverage created

Process_Step:

Process_Description:

This data set was part of a batch process that converted legacy data from ArcInfo coverage in Librarian to a single-tiled ArcInfo coverage in preparation for a final coversion to ArcSDE Geodatabase Feature Classes. Data were extracted from Librarian using the EXTRACT TOPOLOGICAL command. Multi-tiled data sets were extracted into multiple coverages and then combined based on the feature type(s). Layers with both polygon and arc feature classes were processed with the Arc commands, MAPJOIN and DISSOLVE. Arc feature classes alone were processed with the Arc commands, APPEND and DISSOLVE. Layers with both arc and point feature classes and point feature classes alone were processed with the Arc command, APPEND. When used, the Arc command, DISSOLVE, was given with the <#all> option. All coverages were then reprojected to HARN 83 using the following .prj file specifications: INPUT PROJECTION STATEPLANE UNITS FEET ZONE 5551 DATUM NAD27 NADCON PARAMETERS OUTPUT PROJECTION STATEPLANE UNITS FEET FIPSZONE 4501 DATUM HPGN NADCON PARAMETERS END This dataset was then converted to a feature class in a geodatabase in ArcSDE.

Process_Date: 20040105

Process_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: Loudoun County, VA, OMAGI

Contact_Position: GIS Systems Analyst

Process_Step:

Process_Description:

The Subareas layer has been updated to a new layer named Planning Subareas. It now includes demographic data for population forecasting.

Process_Date: 20120326

Spatial_Data_Organization_Information:

Direct_Spatial_Reference_Method: Vector

Point_and_Vector_Object_Information:

SDTS_Terms_Description:

SDTS_Point_and_Vector_Object_Type: GT-polygon composed of chains

Point_and_Vector_Object_Count: 10

Spatial_Reference_Information:

Horizontal_Coordinate_System_Definition:

Planar:

Map_Projection:

Map_Projection_Name: Lambert Conformal Conic

Lambert_Conformal_Conic:

Standard_Parallel: 38.03333333333333

Standard_Parallel: 39.2

Longitude_of_Central_Meridian: -78.5

Latitude_of_Projection_Origin: 37.66666666666666

False_Easting: 11482916.66666666

False_Northing: 6561666.666666666

Planar_Coordinate_Information:

Planar_Coordinate_Encoding_Method: coordinate pair

Coordinate_Representation:

Abscissa_Resolution: 0.0002560000002384187

Ordinate_Resolution: 0.0002560000002384187

Planar_Distance_Units:

Geodetic_Model:

Horizontal_Datum_Name: D North American 1983 HARN

Ellipsoid_Name: GRS 1980

Semi-major_Axis: 6378137.0

Denominator_of_Flattening_Ratio: 298.257222101

Entity_and_Attribute_Information:

Detailed_Description:

Entity_Type:

Entity_Type_Label: GISDBB.GISBROW.PLANNING_SUBAREAS_POLY

Entity_Type_Definition: polygon feature class

Entity_Type_Definition_Source: ESRI

Attribute:

Attribute_Label: PS_HUNITS2010

Attribute_Definition: 2010 housing unit count of the planning subarea

Attribute_Definition_Source: Loudoun County

Attribute:

Attribute_Label: PS_NAME

Attribute_Definition: Planning subarea name abbreviation

Attribute_Definition_Source: Loudoun County

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: SW

Enumerated_Domain_Value_Definition: Southwest

Enumerated_Domain_Value_Definition_Source: Loudoun County

Enumerated_Domain:

Enumerated_Domain_Value: POTOM

Enumerated_Domain_Value_Definition: Potomac

Enumerated_Domain_Value_Definition_Source: Loudoun County

Enumerated_Domain:

Enumerated_Domain_Value: Rt7W

Enumerated_Domain_Value_Definition: Route 7 West

Enumerated_Domain_Value_Definition_Source: Loudoun County

Enumerated_Domain:

Enumerated_Domain_Value: LSBG

Enumerated_Domain_Value_Definition: Leesburg

Enumerated_Domain_Value_Definition_Source: Loudoun County

Enumerated_Domain:

Enumerated_Domain_Value: DULLE

Enumerated_Domain_Value_Definition: Dulles

Enumerated_Domain_Value_Definition_Source: Loudoun County

Enumerated_Domain:

Enumerated_Domain_Value: ASHBU

Enumerated_Domain_Value_Definition: Ashburn

Enumerated_Domain_Value_Definition_Source: Loudoun County

Enumerated_Domain:

Enumerated_Domain_Value: NW

Enumerated_Domain_Value_Definition: Northwest

Enumerated_Domain_Value_Definition_Source: Loudoun County

Enumerated_Domain:

Enumerated_Domain_Value: Rt15S

Enumerated_Domain_Value_Definition: Route 15 South

Enumerated_Domain_Value_Definition_Source: Loudoun County

Enumerated_Domain:

Enumerated_Domain_Value: Rt15N

Enumerated_Domain_Value_Definition: Route 15 North

Enumerated_Domain_Value_Definition_Source: Loudoun County

Enumerated_Domain:

Enumerated_Domain_Value: STERL

Enumerated_Domain_Value_Definition: Sterling

Enumerated_Domain_Value_Definition_Source: Loudoun County

Attribute:

Attribute_Label: PS_POP2010

Attribute_Definition: 2010 population of the planning subarea

Attribute_Definition_Source: Loudoun County

Attribute:

Attribute_Label: SHAPE

Attribute_Definition: Feature geometry.

Attribute_Definition_Source: ESRI

Attribute_Domain_Values:

Unrepresentable_Domain: Coordinates defining the features.

Attribute:

Attribute_Label: PS_HHLDS2010

Attribute_Definition:

2010 households of the planning subarea. Households are occupied housing units.

Attribute_Definition_Source: Loudoun County

Attribute:

Attribute_Label: OBJECTID

Attribute_Definition: Internal feature number.

Attribute_Definition_Source: ESRI

Attribute_Domain_Values:

Unrepresentable_Domain:

Sequential unique whole numbers that are automatically generated.

Attribute:

Attribute_Label: PS_UPD_USER

Attribute_Definition:

Not for public distribution. Internal User ID of editor creating or modifying feature class.

Attribute_Definition_Source: Loudoun County

Attribute:

Attribute_Label: PS_UPD_DATE

Attribute_Definition: Date feature class created or modified.

Attribute_Definition_Source: Loudoun County

Attribute:

Attribute_Label: DB2GSE.ST_Area(SHAPE)

Attribute:

Attribute_Label: DB2GSE.SdeLength(SHAPE)

Distribution_Information:

Distributor:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: Loudoun County, VA, OMAGI

Contact_Position: Public Information Counter

Contact_Address:

Address_Type: mailing and physical

Address: 1 Harrison Street S.E., 2nd floor

City: Leesburg

State_or_Province: VA

Postal_Code: 20175

Country: US

Contact_Voice_Telephone: (703)771-5778

Contact_Facsimile_Telephone: (703)771-5075

Contact_Electronic_Mail_Address: mapping@loudoun.gov

Hours_of_Service: 8:00-4:30 EST, M-F

Distribution_Liability: See access and use constraints information.

Standard_Order_Process:

Digital_Form:

Digital_Transfer_Information:

Format_Name: GDB

Format_Specification: ESRI Personal Geodatabase Feature Class

Digital_Transfer_Option:

Offline_Option:

Offline_Media: dvd

Metadata_Reference_Information:

Metadata_Date: 20121024

Metadata_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: Loudoun County, VA, OMAGI

Contact_Position: Metadata specialist

Contact_Address:

Address_Type: mailing and physical

Address: 1 Harrison Street SE, 2nd Floor

City: Leesburg

State_or_Province: VA

Postal_Code: 20175

Country: US

Contact_Voice_Telephone: (703)771-5778

Contact_Facsimile_Telephone: (703)771-5075

Contact_Electronic_Mail_Address: mapping@loudoun.gov

Metadata_Standard_Name: FGDC Content Standard for Digital Geospatial Metadata

Metadata_Standard_Version: FGDC-STD-001-1998

Metadata_Time_Convention: local time

Metadata_Use_Constraints:

This metadata reflects the source Geodatabase format and specific elements may not apply if your data is exported to SHP or DXF products. User must be aware that changes to data schema occur during data export that may not be reflected in this metadata, which represents Loudoun County's corporate geodatabase. Acknowledgement of Loudoun County would be appreciated in the use of this metadata.