LAD metrics

Metrics based on the leaf area density. lidR::LAD() used to calculate the leaf area density.

Usage

metrics_lad(z, zmin = NA, dz = 1, k = 0.5, z0 = 2)

.metrics_lad

Format

An object of class formula of length 2.

Arguments

z

Z coordinate of the point cloud (point heights)

zmin

numeric. Minimum z value. If set, z values (heights) below are ignored in calculations.

dz

numeric. The thickness of the layers used (height bin)

k

numeric. is the extinction coefficient

z0

numeric. The bottom limit of the profile

Value

A list. lad_min, lad_max, lad_mean, lad_cv, and lad_sum.

Examples

library(lidR)
library(lidRmetrics)
LASfile <- system.file("extdata", "Megaplot.laz", package="lidR")
las <- readLAS(LASfile, select = "*", filter = "-keep_random_fraction 0.5")

m1 <- cloud_metrics(las, ~metrics_lad(z = Z))

m2 <- pixel_metrics(las, ~metrics_lad(z = Z), res = 20)