{
 "culture": "en-US",
 "name": "",
 "guid": "",
 "catalogPath": "",
 "snippet": "Two-dimensional roofprints of buildings (structures) throughout Massachusetts, interpreted from 2011-2012 ortho imagery.",
 "description": "<DIV STYLE=\"text-align:Left;\"><DIV><DIV><P><SPAN>Town structures and Athletic Fields have been combined into a generic facililities feature class for intergration with OpenGov/Cartegraph. There are no associations to these independent feature classes, and they remain for legacy purposes and for services that may still be consuming the data. Moving forward, it is best practice to use definition queries from this new dataset \"CombinedFacilities\" to display the data in the appropriate format.<\/SPAN><\/P><P><SPAN /><\/P><P><SPAN>This dataset consists of 2-dimensional roof outlines (\"roofprints\") for all buildings larger than 150 square feet, as interpreted by a contractor (Rolta) for the whole area of the Commonwealth using DigitalGlobe ortho images obtained in 2011 and 2012, supplemented with LiDAR (Light Detection And Ranging) data collected from 2002 to 2011 for the eastern half of the state. <\/SPAN><\/P><P><SPAN>The roofprints as delivered were enhanced by MassGIS using Normalized Digital Surface Models (NDSMs) derived from the same LiDAR data. Other layers were used, including the Level 3 Parcels, to aid in review, especially where LiDAR data were not available.<\/SPAN><\/P><P><SPAN>This feature class is being updated using ortho imagery captured in 2013.<\/SPAN><\/P><P><SPAN STYLE=\"font-weight:bold;\">Last updated on 10/9/2014.<\/SPAN><\/P><P><SPAN>In ArcSDE the layer is named STRUCTURES_POLY.<\/SPAN><\/P><\/DIV><\/DIV><\/DIV>",
 "summary": "Two-dimensional roofprints of buildings (structures) throughout Massachusetts, interpreted from 2011-2012 ortho imagery.",
 "title": "Building Structures (2-D, from 2011-2012 and 2013 Ortho Imagery)",
 "tags": [
  "Buildings",
  "Structures",
  "Roofprints",
  "Footprints"
 ],
 "type": "",
 "typeKeywords": [],
 "thumbnail": "",
 "url": "",
 "minScale": 150000000,
 "maxScale": 5000,
 "spatialReference": "",
 "accessInformation": "Rolta, MassGIS",
 "licenseInfo": "<DIV STYLE=\"text-align:Left;\"><DIV><DIV><P><SPAN>None<\/SPAN><\/P><\/DIV><\/DIV><\/DIV>"
}