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  "name" : "TPI (1e6 sq ft)",
  "type" : "Raster Layer",
  "description" : "Elevation data for Pisgah State Park were downloaded from http://www.granit.unh.edu/data/downloaddata.htmland were merged into one layer retaining the 1 band and 10ft x 10ft pixel size. Topographic Position Index was calculated by calculating a smoothed minimum, maximum, and mean digital elevation model (DEM). TPI = (mean - min) / (max - min). The data were smoothed to 100x100 pixels, equivalent to 1,000,000sq ft, or 0.036 square miles.",
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  "copyrightText" : "Earth Systems Research Center, Institute for the Study of Earth, Oceans, and Space, University of New Hampshire",
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    "ymax" : 5295744.641788131,
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