Assigns each cell in the output grid the minimum value in a moving window centred on each grid cell in the input raster.
wbt_minimum_filter(
input,
output,
filterx = 11,
filtery = 11,
wd = NULL,
verbose_mode = NULL,
compress_rasters = NULL,
command_only = FALSE
)Returns the tool text outputs.
Input raster file path. See wbt_file_path() for details.
Output raster file.
Size of the filter kernel in the x-direction.
Size of the filter kernel in the y-direction.
Changes the working directory. Default: NULL will use the value in WhiteboxTools settings, see wbt_wd() for details.
Sets verbose mode. If verbose mode is FALSE, tools will not print output messages. Default: NULL will use the value in WhiteboxTools settings, see wbt_verbose() for details.
Sets the flag used by 'WhiteboxTools' to determine whether to use compression for output rasters. Default: NULL will use the value in WhiteboxTools settings, see wbt_compress_rasters() for details.
Return command that would be executed by system() rather than running tool. Default: FALSE.