wbt_extract_valleys {whitebox} | R Documentation |
Identifies potential valley bottom grid cells based on local topolography alone.
wbt_extract_valleys( dem, output, variant = "LQ", line_thin = TRUE, filter = 5, wd = NULL, verbose_mode = FALSE )
dem |
Input raster DEM file. |
output |
Output raster file. |
variant |
Options include 'LQ' (lower quartile), 'JandR' (Johnston and Rosenfeld), and 'PandD' (Peucker and Douglas); default is 'LQ'. |
line_thin |
Optional flag indicating whether post-processing line-thinning should be performed. |
filter |
Optional argument (only used when variant='lq') providing the filter size, in grid cells, used for lq-filtering (default is 5). |
wd |
Changes the working directory. |
verbose_mode |
Sets verbose mode. If verbose mode is False, tools will not print output messages. |
Returns the tool text outputs.