The function allows to extract information about the effective
size of neighborhoods used in each pixel from objects
generated by awsimage or awspimage.
The result is converted into a greyscale image.
extract.ni(object, gammatype = "ITU", compress = TRUE)character, determines the type of gamma correction within the image.
"ITU" stands for ITU-R BT.709-3 as e.g. used by dcraw. Alternatives recognized
within the package are "None", "sRGB" and "CIE" (CIE L*).
logical, if TRUE the returned image will be compressed.
an object of class "adimpro".