rasterize_conductivity: Compute the conductivity raster sigma

In Jean-Romain/ALSroads: Road alignment and measure from airborne LiDAR data for MFFP

Compute the conductivity raster sigma

Description

Compute the conductivity raster sigma from lidar data according to Roussel et al. 2020 (see references)

Usage

rasterize_conductivity(
  las,
  dtm = NULL,
  param = alsroads_default_parameters,
  ...
)

rasterize_conductivity2(
  las,
  dtm = NULL,
  water = NULL,
  param = alsroads_default_parameters2,
  ...
)

Arguments

las	an object of class LAS or LAScatalog from lidR
dtm	RasterLayer. If NULL is provided a DTM is computed on the fly. But if a DTM is already available it can be given to the function.
param	a list of many parameters. See alsroads_default_parameters.
...	ignored

Value

a RasterLayer or SpatRaster

Examples

library(lidR)
library(raster)
dir  <- system.file("extdata", "", package="ALSroads")
dtm  <- system.file("extdata", "j5gr_dtm.tif", package="ALSroads")
ctg  <- readLAScatalog(dir)
dtm  <- raster(dtm)
las  <- readLAS(ctg$filename[1])

sigma <- rasterize_conductivity(las, dtm = dtm)
plot(sigma, col = viridis::inferno(30))


sigma <- rasterize_conductivity(ctg, dtm = dtm)
plot(sigma, col = viridis::viridis(30))

Jean-Romain/ALSroads documentation built on Nov. 16, 2024, 3:18 p.m.