View Metadata
Cambridge, MA (Sidewalk Tree Wells, 2010)
- Identification Information
- Data Quality Information
- Spatial Data Organization Information
- Spatial Reference Information
- Entity and Attribute Information
- Distribution Information
- Distribution Information
- Metadata Reference Information
- Identification Information
- Citation
- Originator
- City of Cambridge, MA
- Publication Date
- 20100412
- Title
- Cambridge, MA (Sidewalk Tree Wells, 2010)
- Geospatial Data Presentation Form
- vector digital data
- Publication Information
- Publication Place
- Massachusetts--Cambridge
- Publisher
- Cambridge (MA) Geographic Information System (City of Cambridge GIS)
- Online Linkage
- Server=arrowsmith.mit.edu; Service=5150; Database=oracle
- Abstract
- City of Cambridge, MA GIS basemap development project encompasses the land area of City of Cambridge with a 200 foot fringe surrounding the area and Charles River shoreline towards Boston. The basemap data was developed at 1" = 40' mapping scale using digital photogrammetric techniques. Planimetric features; both man-made and natural features like vegetation, rivers have been depicted. These features are important to all GIS/mapping applications and publication. A set of data layers such as Buildings, Roads, Rivers, Utility structures, 1 ft interval contours are developed and represented in the geodatabase. The features are labeled and coded in order to represent specific feature class for thematic representation and topology between the features is maintained for an accurate representation at the 1:40 mapping scale for both publication and analysis.
- Purpose
- City uses these data products with ESRI ArcGIS software products for the City GIS and serves a web-based GIS service.
- Temporal Extent
- Currentness Reference
- ground condition
- Time Instant
- 20100412
- Bounding Box
- West
- -71.163986
- East
- -71.056155
- North
- 42.405572
- South
- 42.347255
- Theme Keyword
- Sidewalks
- Trees in cities--Planning
- Theme Keyword Thesaurus
- Theme Keyword
- environment
- Theme Keyword Thesaurus
- Place Keyword
- Massachusetts--Cambridge
- Place Keyword Thesaurus
- Access Restrictions
- Restricted Access Online: Access granted to Licensee only. Available only to MIT affiliates. The project data is the property of City of Cambridge, MA and collaborating institutions and licensed with all rights. Distribution of any of these data to anyone not licensed by the by the City of Cambridge, MA is strictly prohibited.
- Use Restrictions
- The basemap data has been developed using procedures designed to produce data to the National Standard for Spatial Data Accuracy (NSSDA) and is intended for use at 1" = 40 ' mapping scale.The City of Cambridge provides Geographic Information Systems ("GIS") data in good faith. The City makes no warranty in regard to the data whatsoever, including, but not limited to, a warranty of the accuracy of the data. The party requesting the data (hereafter "Requester") agrees that the City has no liability arising from any incomplete, incorrect, inaccurate or misleading data provided.The City makes no warranties of fitness or merchantability either express or implied in regard to the data provided to the Requester hereunder. The data provided are provided "as is" and with all faults.The Requester will have no claims to data updates.The Requester shall indemnify and hold harmless the City and its officers, employees and agents from and against all losses, claims, demands, actions, payments, costs, suits, liabilities, including attorney's fees, expenses and damages (direct or consequential) whether or not caused by the negligence of the City, its officers, employees or agents, which are incurred by or recovered against the City for any reason whatsoever arising out of or relating to this Agreement, or the data, or to any use to which the Requester might put the data.
- Status
- Complete
- Maintenance and Update Frequency
- None planned
- Point of Contact
- Contact Person
- Delivery Point
- 831 Massachusetts Ave.
- City
- Cambridge
- State
- MA
- Postal Code
- 02139
- Country
- United States of America
- Native Data Set Environment
- Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 3; ESRI ArcCatalog 9.3.1.4000
- Data Quality Information
- Logical Consistency Report
- The dataset contains vector (planimetric, Topography and Contours) files and raster (Ortho imagery) and LiDAR. The file naming convention of the datasets is based on a Basic Modular Unit of tile grid adopted by the City of Cambridge, MA based on the NAD_1983_StatePlane_Massachusetts_Mainland_FIPS_2001_Feet, and vertical datum is NAVD 1988. The neat area is bounded by the state plane grid whose easting and northing are evenly divisible by 2640 x 2640 feet. Each Basic Modular Unit map is identified by a map number derived from grid naming convention with alphanumeric values. The rows are numbered from South to North and the Columns named with A, B, C, from West to East. E.g. A1, A2, etc.
- Horizontal Positional Accuracy Report
- Compiled to meet horizontal and vertical accuracy at 95% confidence level in accordance with ASPRS Class 1 standards.
- Lineage
- Spatial Data Organization Information
- Direct Spatial Reference Method
- Vector
- Point and Vector Object Information
- SDTS Terms Description
- SDTS Point and Vector Object Type
- G-polygon
- Point and Vector Object Count
- 12158
- Spatial Reference Information
- Horizontal Coordinate System Definition
- Planar
- Map Projection
- Map Projection Name
- Lambert Conformal Conic
- Lambert Conformal Conic
- Standard Parallel
- 41.716667
- Standard Parallel
- 42.683333
- Longitude of Central Meridian
- -71.500000
- Latitude of Projection Origin
- 41.000000
- False Easting
- 656166.666667
- False Northing
- 2460625.000000
- Planar Coordinate Information
- Planar Coordinate Encoding Method
- coordinate pair
- Coordinate Representation
- Abscissa Resolution
- 0.000328
- Ordinate Resolution
- 0.000328
- Planar Distance Units
- survey feet
- Geodetic Model
- Horizontal Datum Name
- North American Datum of 1983
- Ellipsoid Name
- Geodetic Reference System 80
- Semi-major Axis
- 6378137.000000
- Denominator of Flattening Ratio
- 298.257222
- Vertical Coordinate System Definition
- Altitude System Definition
- Altitude Datum Name
- North American Vertical Datum of 1988
- Altitude Resolution
- 0.000100
- Altitude Distance Units
- feet
- Altitude Encoding Method
- Explicit elevation coordinate included with horizontal coordinates
- Entity and Attribute Information
- Entity Type
- Entity Type Label
- us_ma_cambridge_g5swtrwel_2010
- Entity Type Definition
- A sidewalk is asphalt, brick or concrete pedestrian walkway or path along the side of a road network through the neighborhoods which has the passage for all public. Edge of the sidewalk feature is collected as polygon which is normally separated from the vehicular section by a curb or a strip of vegetation, grass or bushes or a combination of these.
- Attributes
- FID
- Internal feature number. (Sequential unique whole numbers that are automatically generated.)
- Shape
- Feature geometry. (Coordinates defining the features.)
- Shape_Area
- Area of feature in internal units squared. (Positive real numbers that are automatically generated.)
- Shape_Leng
- TYPE
- Distribution Information
- Format Name
- SHP
- Name
- Distribution Information
- Distributor
- GIS Lab, MIT Libraries
- Name
- Metadata Reference Information
- Metadata Date
- 20101014
- Metadata Contact
- Contact Information
- Contact Person Primary
- Contact Person
- Contact Organization
- City of Cambridge, MA IT Department
- Contact Organization Primary
- Contact Organization
- GIS Lab, MIT Libraries
- Contact Person
- GIS Specialist
- Contact Position
- GIS Specialist
- Contact Address
- Address
- 77 Massachusetts Avenue, Rotch Library, 7-238
- Address
- Massachusetts Institute of Technology
- City
- Cambridge
- State or Province
- Massachusetts
- Postal Code
- 02139
- Country
- USA
- Contact Voice Telephone
- 617-258-5598
- Contact Electronic Mail Address
- gishelp at mit.edu
- Metadata Standard Name
- FGDC Content Standards for Digital Geospatial Metadata
- Metadata Standard Version
- FGDC-STD-001-1998
- Metadata Extensions
- Online Linkage
- www.cambridgema.gov/GIS
- Profile Name
- NPS NR and GIS Metadata Profile