fMask

• Masking of gridded geodata by shape files
• Author: Markus Möller, email: markus.moeller@julius-kuehn.de

Functions

fSplit.R

Function to split single-part polygone shapes

Parameter:

• IN.DIR = directory of input data
• OUT.DIR = directory of output data
• SHP = single-part shape file (without file extension)
• EPSG = EPSG code (https://spatialreference.org)
• SPLIT.ID = column name, which should be used as split-ID

Example:

fsplit(IN.DIR = ".../fMask/INPUT/", OUT.DIR = ".../fMask/INPUT/", SHP = "Parzellen", EPSG = 25833, SPLIT.ID = "id")

fMaskRaster.R

Function to mask gridded geodata by means of polygon shape files

Parameter

• SHP.DIR = directory of shape files
• SHP.PF = Prefix of shape files
• RASTER.DIR = directory of raster files
• RASTER.GRD = name of raster file (without extension)
• RASTER.FRM = raster format (tif, asc, sdat)
• RASTER.EPSG = EPSG code (https://spatialreference.org)
• OUT.DIR= directory of output data
• MULTI = multi- or single layer raster (TRUE or FALSE)

Example

fMaskRaster(SHP.DIR = ".../fMask/OUTPUT/", SHP.PF = "Parzellen", RASTER.DIR = ".../fMask/INPUT/", RASTER.GRD = "20200427_rgb_dd_6cm", RASTER.FRM = ".tif", RASTER.EPSG = 25833, OUT.DIR = ".../fMask/OUTPUT/", MULTI = TRUE)