Data Dictionary
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Summary
This dataset consists of 2-dimensional outlines of all buildings/structures within the Town of Dedham, Massachusetts.
Description
This dataset consists of 2-dimensional outlines of all buildings and structures within the Town of Dedham, Massachusetts. This information was originally compiled from 1998 and 2004 orthoimagery sources. Updated features have been derived from roof outlines collected by MassGIS using 2011 orthoimagery and LiDAR and updated with 2013 aerial imagery, scanned plans from the Town of Dedham Building Department, and a planimetric collection from the City of Boston.
Last Update
08-03-2015
Attributes
Name | Type Details | Description | ||||||||||
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AREA_SQ_FT |
type: Double width: 8 precision: 38 | Area of the structure polygon in square feet, calculated with the Calculate Geometry tool in ArcGIS software. | ||||||||||
FEATURECODE |
type: String width: 100 precision: 0 | The facility site feature code | ||||||||||
MOVED |
type: String width: 1 precision: 0 | Indicates with Y or N whether or not the polygon was shifted to account for building lean in source imagery.Domain Values
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SOURCE |
type: String width: 100 precision: 0 | Polygon source.Domain Values
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SOURCEDATE |
type: Double width: 8 precision: 38 | Date (year) of source data used to create the structure polygon. Code formatted as YYYYMMDD | ||||||||||
SOURCETYPE |
type: String width: 20 precision: 0 | Type of feature. Current codes are ROOFPRINT, ROOFPRINT_SHIFTED or FOOTPRINTDomain Values
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STRUCT_ID |
type: String width: 20 precision: 0 | Unique polygon identifier, based on X,Y centroid coordinate of the feature in NAD83 Mass. State Plane meters | ||||||||||
TOWN_ID |
type: SmallInteger width: 2 precision: 5 | Identifier (1-351) for the city/town in which the structure is located. | ||||||||||
TOWN_ID2 |
type: SmallInteger width: 2 precision: 5 | Second identifier (1-351) for the city/town in which the structure is located, if the structure falls within two municipalities. | ||||||||||
TOWN_ID3 |
type: SmallInteger width: 2 precision: 5 | Third identifier (1-351) for the city/town in which the structure is located, if the structure falls within three municipalities. | ||||||||||
XCOORD |
type: Double width: 8 precision: 38 | X coordinate value in maintained coordinate system units | ||||||||||
YCOORD |
type: Double width: 8 precision: 38 | Y coordinate value in maintained coordinate system units | ||||||||||
SOURCEINFO |
type: String width: 200 precision: 0 | Notes regarding the source information used to derive the feature | ||||||||||
ARCHIVED |
type: String width: 1 precision: 0 | Building has been archived because of removal/demolition. A "No" or null value represents existing structure.Domain Values
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ARCHIVEDATE |
type: Date width: 36 precision: 0 | Date structure was marked as archived. |
Coordinate System
NAD 1983 StatePlane Massachusetts Mainland FIPS 2001 Feet
Credits
Town of Dedham, MA GIS Division; Massachusetts Office of Geographic Information (MassGIS); City of Boston, MA
Use Limitations
For planning purposes only.
Legal Constraints
The Town of Dedham makes no warranty in regard to the data whatsoever, including, but not limited to, a warranty of the accuracy of the data or publications. The Town has no liability arising from incomplete, incorrect, inaccurate or misleading data provided. The Town makes no warranties of fitness or merchantability either express or implied in regard to the data or publications provided hereunder. The data or publications provided are provided “as is”. All maps or other documents produced using the data supplied by the Town must contain a data source credit, prominently displayed, such as “GIS data supplied by the Town of Dedham”.
Also, a disclaimer statement shall be attached or displayed stating: “The Town of Dedham makes no claims, no representations and no warranties, express or implied, concerning the validity (expressed or implied), the reliability or the accuracy of the GIS data furnished by the Town, including the implied validity of any uses of such data”.
Tags
Dedham,buildings,structures,basemap