View source: R/qgis_fuzzifyrasternearmembership.R
qgis_fuzzifyrasternearmembership | R Documentation |
QGIS Algorithm provided by QGIS (native c++) Fuzzify raster (near membership) (native:fuzzifyrasternearmembership). The Fuzzify raster (near membership) algorithm transforms an input raster to a fuzzified raster and thereby assigns values between 0 and 1 following the 'near' fuzzy membership function. The value of 0 implies no membership with the defined fuzzy set, a value of 1 depicts full membership. In between, the degree of membership of raster values follows the 'near' membership function. The 'near' function is constructed using two user-defined input values which set the midpoint of the 'near' function (midpoint, results to 1) and a predefined function spread which controls the function spread. This function is typically used when a certain range of raster values near a predefined function midpoint should become members of the fuzzy set. The function generally shows a higher rate of decay than the gaussian membership function.
qgis_fuzzifyrasternearmembership(
INPUT = qgisprocess:::qgis_default_value(),
BAND = qgisprocess:::qgis_default_value(),
FUZZYMIDPOINT = qgisprocess:::qgis_default_value(),
FUZZYSPREAD = qgisprocess:::qgis_default_value(),
CREATE_OPTIONS = qgisprocess:::qgis_default_value(),
OUTPUT = qgisprocess:::qgis_default_value(),
...,
.complete_output = .complete_output_option(),
.quiet = .quiet_option(),
.messages = .message_option()
)
INPUT |
|
BAND |
|
FUZZYMIDPOINT |
|
FUZZYSPREAD |
|
CREATE_OPTIONS |
|
OUTPUT |
|
... |
further parameters passed to |
.complete_output |
logical specifying if complete out of |
.quiet |
logical specifying if parameter |
.messages |
logical specifying if messages from |
CRS_AUTHID - outputString - CRS authority identifier
EXTENT - outputString - Extent
HEIGHT_IN_PIXELS - outputNumber - Height in pixels
OUTPUT - outputRaster - Fuzzified raster
TOTAL_PIXEL_COUNT - outputNumber - Total pixel count
WIDTH_IN_PIXELS - outputNumber - Width in pixels
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