file format : GeoTIFF File Format
file title  : nlights
last update : 30-March-2010
producer    : T. Hengl
lineage     : http://spatial-analyst.net/scripts/getDMSP.R
data type   : Byte
gdal driver : GTiff
columns     : 7200
rows        : 3600
meas. scale : numeric
description : World stable lights
proj4string : +proj=longlat +ellps=WGS84
ref. system : geographic
ref. units  : arcdegrees
unit dist.  : 1
min. X      : -180
max. X      : 180
min. Y      : -90
max. Y      : 90
pos'n error : 1000
resolution  : 0.05
min. value  : 0
max. value  : 255
display min : 0
display max : 100
value units : index
value error : unspecified
flag value  : -1
flag def'n  : unavailable data
src. Eng    : World stable lights
src. URL    : http://ngdc.noaa.gov/dmsp/
src. scale  : 1000 m
src. refs   : Small, C., Pozzi, F. and Elvidge, C.D., 2005. Spatial analysis of global urban extent from DMSP-OLS nighttime lights. Remote Sensing of Environment v. 96:277-291.
src. date   : 2009
src. owner  : National Geophysical Data Center (NOAA), U.S. Department of Commerce
legend cats : 0