Description Usage Arguments Value Examples
Reverse the result of the remove_slope
function.
1 |
data |
a LAS of a TLS scene from which the slope was previously removed. |
a LAS with slope.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 | #- import the tree_line_plot dataset
file <- system.file("extdata", "tree_line_plot.laz", package="viewshed3d")
tls <- lidR::readLAS(file)
center <- c(0,0,2) # defines the scene center for the entire process
angle <- 1 # defines the angular resolution for the entire process
#- remove noise to avoid visibility estimates error
tls_clean <- viewshed3d::denoise_scene(tls,method="sd",
filter=6)
#- class ground and vegetation points
class <- lidR::classify_ground(tls_clean, lidR::csf(rigidness = 1L,
class_threshold = 0.2,
sloop_smooth = FALSE))
# remove the slope from the classified scene
no_slope <- viewshed3d::remove_slope(data = class,c(0,0,0))
# add the slope
slope_back <- viewshed3d::add_slope(no_slope$data)
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