add_slope | R Documentation |
Reverse the result of the remove_slope
function.
add_slope(data)
data |
a LAS of a TLS scene from which the slope was previously removed. |
a LAS with slope.
#- 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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