Airborne LiDAR Data Manipulation and Visualization for Forestry Applications

Documentation for package ‘lidR’ version 4.1.1

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A C D E F G H I K L M N O P Q R S T U V W misc

lidR: airborne LiDAR for forestry applications

-- A --

add_attribute	Add attributes into a LAS object
add_dtm3d	Add a spatial object to a point cloud scene
add_flightlines3d	Add a spatial object to a point cloud scene
add_lasattribute	Add attributes into a LAS object
add_lasattribute_manual	Add attributes into a LAS object
add_lasnir	Add attributes into a LAS object
add_lasrgb	Add attributes into a LAS object
add_treetops3d	Add a spatial object to a point cloud scene
aggregate	Metric derivation at different levels of regularization
area	Surface covered by a LAS* object
area-method	Surface covered by a LAS* object
as	Transform to a list
as.list.LASheader	Transform to a list
as.spatial	Older R Spatial Packages
as.spatial.LAS	Older R Spatial Packages
as.spatial.LAScatalog	Older R Spatial Packages
asprs	ASPRS LAS Classification

-- C --

catalog	Create an object of class LAScatalog
catalog_apply	LAScatalog processing engine
catalog_boundaries	Computes the polygon that encloses the points
catalog_intersect	Subset a LAScatalog
catalog_map	LAScatalog processing engine
catalog_retile	Retile a LAScatalog
catalog_sapply	LAScatalog processing engine
catalog_select	Subset a LAScatalog
catalog_subset	Subset a LAScatalog
classify	Classify points
classify_ground	Classify points
classify_noise	Classify points
classify_poi	Classify points
clip	Clip points in regions of interest
clip_circle	Clip points in regions of interest
clip_polygon	Clip points in regions of interest
clip_rectangle	Clip points in regions of interest
clip_roi	Clip points in regions of interest
clip_transect	Clip points in regions of interest
cloud_metrics	Metric derivation at different levels of regularization
concaveman	Concave and convex hulls for LAS objects
count_not_quantized	LAS utilities
crown_metrics	Metric derivation at different levels of regularization
crs	Get or set the projection of a LAS* object
crs-method	Get or set the projection of a LAS* object
crs<-	Get or set the projection of a LAS* object
crs<--method	Get or set the projection of a LAS* object
csf	Ground Segmentation Algorithm

-- D --

dalponte2016	Individual Tree Segmentation Algorithm
decimate_points	Decimate a LAS object
delineate_crowns	Older R Spatial Packages
density	Tools inherited from base R for LAS* objects
density-method	Tools inherited from base R for LAS* objects
deprecated	Deprecated functions in lidR
dim.LAS	Tools inherited from base R for LAS* objects
dim.LAScatalog	Tools inherited from base R for LAS* objects
dsmtin	Digital Surface Model Algorithm
dsm_pitfree	Digital Surface Model Algorithm
dsm_point2raster	Digital Surface Model Algorithm
dsm_tin	Digital Surface Model Algorithm
dtm_idw	Spatial Interpolation Algorithm
dtm_kriging	Spatial Interpolation Algorithm
dtm_tin	Spatial Interpolation Algorithm

-- E --

engine	Functions for the LAScatalog processing engine not meant to be called directly by users
engine_apply	Functions for the LAScatalog processing engine not meant to be called directly by users
engine_chunks	Functions for the LAScatalog processing engine not meant to be called directly by users
engine_crop	Functions for the LAScatalog processing engine not meant to be called directly by users
engine_merge	Functions for the LAScatalog processing engine not meant to be called directly by users
engine_options	Get or set LAScatalog processing engine options
engine_write	Functions for the LAScatalog processing engine not meant to be called directly by users
entropy	Predefined non standard metrics
epsg	Get or set the projection of a LAS* object
epsg-method	Get or set the projection of a LAS* object
epsg<-	Get or set the projection of a LAS* object
epsg<--method	Get or set the projection of a LAS* object
evlr	LAS utilities
ext-method	Bounding box of a LAS* object
Extract	Extract or Replace Parts of a LAS* Object

-- F --

filters	Filter points of interest
filter_duplicates	Filter points of interest
filter_duplicates.LAS	Filter points of interest
filter_duplicates.LAScatalog	Filter points of interest
filter_first	Filter points of interest
filter_firstlast	Filter points of interest
filter_firstofmany	Filter points of interest
filter_ground	Filter points of interest
filter_last	Filter points of interest
filter_nth	Filter points of interest
filter_poi	Filter points of interest
filter_single	Filter points of interest
filter_surfacepoints	Deprecated functions in lidR
filter_surfacepoints.LAS	Deprecated functions in lidR
filter_surfacepoints.LAScatalog	Deprecated functions in lidR
find_trees	Older R Spatial Packages
forest.colors	Plot a LAS* object

-- G --

gap_fraction_profile	Predefined non standard metrics
Gatziolis2019	Sensor tracking algorithm
get_lidr_threads	Set or get number of threads that lidR should use
get_range	Intensity normalization algorithm
gnd_csf	Ground Segmentation Algorithm
gnd_mcc	Ground Segmentation Algorithm
gnd_pmf	Ground Segmentation Algorithm
grid_canopy	Older R Spatial Packages
grid_density	Older R Spatial Packages
grid_metrics	Older R Spatial Packages
grid_terrain	Older R Spatial Packages

-- H --

header	LAS utilities
height.colors	Plot a LAS* object
hexagon_metrics	Metric derivation at different levels of regularization
hexbin_metrics	Deprecated functions in lidR
highest	Point Cloud Decimation Algorithm
homogenize	Point Cloud Decimation Algorithm

-- I --

index	Spatial index
index<-	Spatial index
interpret_waveform	Convert full waveform data into a regular point cloud
is	A set of boolean tests on objects
is.algorithm	A set of boolean tests on objects
is.empty	A set of boolean tests on objects
is.indexed	A set of boolean tests on objects
is.overlapping	A set of boolean tests on objects
is.parallelised	A set of boolean tests on objects
is.quantized	LAS utilities
itd_lmf	Individual Tree Detection Algorithm
itd_manual	Individual Tree Detection Algorithm
its_dalponte2016	Individual Tree Segmentation Algorithm
its_li2012	Individual Tree Segmentation Algorithm
its_silva2016	Individual Tree Segmentation Algorithm
its_watershed	Individual Tree Segmentation Algorithm
ivf	Noise Segmentation Algorithm

-- K --

knnidw	Spatial Interpolation Algorithm
kriging	Spatial Interpolation Algorithm

-- L --

LAD	Predefined non standard metrics
LAS	An S4 class to represent a .las or .laz file
LAS-class	An S4 class to represent a .las or .laz file
lasadddata	Deprecated functions in lidR
lasaddextrabytes	Deprecated functions in lidR
lasaddextrabytes_manual	Deprecated functions in lidR
LASBRIGDE	ASPRS LAS Classification
LASBUILDING	ASPRS LAS Classification
LAScatalog-class	An S4 class to represent a collection of .las or .laz files
lascheck	Deprecated functions in lidR
lasclip	Deprecated functions in lidR
lasclipCircle	Deprecated functions in lidR
lasclipPolygon	Deprecated functions in lidR
lasclipRectangle	Deprecated functions in lidR
lasdetectshape	Deprecated functions in lidR
lasfilter	Deprecated functions in lidR
lasfilterdecimate	Deprecated functions in lidR
lasfilterduplicates	Deprecated functions in lidR
lasfilterfirst	Deprecated functions in lidR
lasfilterfirstlast	Deprecated functions in lidR
lasfilterfirstofmany	Deprecated functions in lidR
lasfilterground	Deprecated functions in lidR
lasfilterlast	Deprecated functions in lidR
lasfilternth	Deprecated functions in lidR
lasfiltersingle	Deprecated functions in lidR
lasfiltersurfacepoints	Deprecated functions in lidR
lasflightline	Deprecated functions in lidR
LASGROUND	ASPRS LAS Classification
lasground	Deprecated functions in lidR
LASheader	Create a 'LASheader' object
LASheader-class	An S4 class to represent the header of .las or .laz files
LASHIGHVEGETATION	ASPRS LAS Classification
LASKEYPOINT	ASPRS LAS Classification
LASLOWPOINT	ASPRS LAS Classification
LASLOWVEGETATION	ASPRS LAS Classification
LASMEDIUMVEGETATION	ASPRS LAS Classification
lasmergespatial	Deprecated functions in lidR
LASNOISE	ASPRS LAS Classification
LASNONCLASSIFIED	ASPRS LAS Classification
lasnormalize	Deprecated functions in lidR
laspulse	Deprecated functions in lidR
LASRAIL	ASPRS LAS Classification
lasrangecorrection	Deprecated functions in lidR
lasremoveextrabytes	Deprecated functions in lidR
lasreoffset	Deprecated functions in lidR
lasrescale	Deprecated functions in lidR
LASROADSURFACE	ASPRS LAS Classification
lasscanline	Deprecated functions in lidR
lassmooth	Deprecated functions in lidR
lassnags	Deprecated functions in lidR
LASTRANSMISSIONTOWER	ASPRS LAS Classification
lastrees	Deprecated functions in lidR
LASUNCLASSIFIED	ASPRS LAS Classification
lasunnormalize	Deprecated functions in lidR
lasunsmooth	Deprecated functions in lidR
lasvoxelize	Deprecated functions in lidR
LASWATER	ASPRS LAS Classification
LASWIRECONDUCTOR	ASPRS LAS Classification
LASWIREGUARD	ASPRS LAS Classification
las_check	Inspect a LAS object
las_compression	Compression of the point cloud
las_is_compressed	Compression of the point cloud
las_quantize	LAS utilities
las_reoffset	LAS utilities
las_rescale	LAS utilities
las_size	Compression of the point cloud
las_update	LAS utilities
las_utilities	LAS utilities
li2012	Individual Tree Segmentation Algorithm
lidR	lidR: airborne LiDAR for forestry applications
lidR-LAScatalog-drivers	LAScatalog drivers
lidR-parallelism	Parallel computation in lidR
lidR-spatial-index	Spatial index
lmf	Individual Tree Detection Algorithm
locate_trees	Individual tree detection
lowest	Point Cloud Decimation Algorithm

-- M --

manual	Individual Tree Detection Algorithm
mcc	Ground Segmentation Algorithm
merge_spatial	Merge a point cloud with a source of spatial data

-- N --

names.LAS	Tools inherited from base R for LAS* objects
names.LASheader	Tools inherited from base R for LAS* objects
ncol.LAS	Tools inherited from base R for LAS* objects
noise_ivf	Noise Segmentation Algorithm
noise_sor	Noise Segmentation Algorithm
normalize	Normalize point cloud
normalize_height	Normalize point cloud
normalize_intensity	Normalize point cloud
npoints	Tools inherited from base R for LAS* objects
nrow.LAScatalog	Tools inherited from base R for LAS* objects
nstdmetrics	Predefined non standard metrics

-- O --

old_spatial_packages	Older R Spatial Packages
opt_chunk_alignment	Get or set LAScatalog processing engine options
opt_chunk_alignment<-	Get or set LAScatalog processing engine options
opt_chunk_buffer	Get or set LAScatalog processing engine options
opt_chunk_buffer<-	Get or set LAScatalog processing engine options
opt_chunk_size	Get or set LAScatalog processing engine options
opt_chunk_size<-	Get or set LAScatalog processing engine options
opt_filter	Get or set LAScatalog processing engine options
opt_filter<-	Get or set LAScatalog processing engine options
opt_independent_files	Get or set LAScatalog processing engine options
opt_independent_files<-	Get or set LAScatalog processing engine options
opt_laz_compression	Get or set LAScatalog processing engine options
opt_laz_compression<-	Get or set LAScatalog processing engine options
opt_merge	Get or set LAScatalog processing engine options
opt_merge<-	Get or set LAScatalog processing engine options
opt_output_files	Get or set LAScatalog processing engine options
opt_output_files<-	Get or set LAScatalog processing engine options
opt_progress	Get or set LAScatalog processing engine options
opt_progress<-	Get or set LAScatalog processing engine options
opt_restart<-	Get or set LAScatalog processing engine options
opt_select	Get or set LAScatalog processing engine options
opt_select<-	Get or set LAScatalog processing engine options
opt_stop_early	Get or set LAScatalog processing engine options
opt_stop_early<-	Get or set LAScatalog processing engine options
opt_wall_to_wall	Get or set LAScatalog processing engine options
opt_wall_to_wall<-	Get or set LAScatalog processing engine options

-- P --

p2r	Digital Surface Model Algorithm
pastel.colors	Plot a LAS* object
payload	LAS utilities
phb	LAS utilities
pitfill_stonge2008	Pits and spikes filling
pitfree	Digital Surface Model Algorithm
pixel_metrics	Metric derivation at different levels of regularization
plot	Plot a LAS* object
plot-method	Plot a LAS* object
plot.lasmetrics3d	Plot voxelized LiDAR data
plot_3d	Add a spatial object to a point cloud scene
plot_dtm3d	Add a spatial object to a point cloud scene
plot_metrics	Metric derivation at different levels of regularization
plugins	Plugin system
plugin_decimate	Plugin system
plugin_dsm	Plugin system
plugin_dtm	Plugin system
plugin_gnd	Plugin system
plugin_itd	Plugin system
plugin_its	Plugin system
plugin_nintensity	Plugin system
plugin_outliers	Plugin system
plugin_shape	Plugin system
plugin_snag	Plugin system
plugin_track	Plugin system
pmf	Ground Segmentation Algorithm
point_eigenvalues	Point-based metrics
point_metrics	Point-based metrics
polygon_metrics	Metric derivation at different levels of regularization
print.LAS	Tools inherited from base R for LAS* objects
print.LAScatalog	Tools inherited from base R for LAS* objects
print.lidRAlgorithm	Tools inherited from base R for LAS* objects
print.raster_template	Tools inherited from base R for LAS* objects
projection	Get or set the projection of a LAS* object
projection<-	Get or set the projection of a LAS* object

-- Q --

quantize

LAS utilities

-- R --

random	Point Cloud Decimation Algorithm
random.colors	Plot a LAS* object
random_per_voxel	Point Cloud Decimation Algorithm
range_correction	Intensity normalization algorithm
rasterize	Rasterize a point cloud
rasterize_canopy	Rasterize a point cloud
rasterize_density	Rasterize a point cloud
rasterize_terrain	Rasterize a point cloud
rbind.LAS	Tools inherited from base R for LAS* objects
readALSLAS	Read .las or .laz files
readALSLAScatalog	Create an object of class LAScatalog
readDAPLAS	Read .las or .laz files
readDAPLAScatalog	Create an object of class LAScatalog
readLAS	Read .las or .laz files
readLAScatalog	Create an object of class LAScatalog
readLASheader	Read a .las or .laz file header
readMSLAS	Read .las or .laz files
readTLSLAS	Read .las or .laz files
readTLSLAScatalog	Create an object of class LAScatalog
readUAVLAS	Read .las or .laz files
readUAVLAScatalog	Create an object of class LAScatalog
remove_lasattribute	Add attributes into a LAS object
retrieve_flightlines	Retrieve individual pulses, flightlines or scanlines
retrieve_pulses	Retrieve individual pulses, flightlines or scanlines
retrieve_scanlines	Retrieve individual pulses, flightlines or scanlines
Roussel2020	Sensor tracking algorithm
rumple_index	Predefined non standard metrics

-- S --

sample_homogenize	Point Cloud Decimation Algorithm
sample_maxima	Point Cloud Decimation Algorithm
sample_per_voxel	Point Cloud Decimation Algorithm
sample_random	Point Cloud Decimation Algorithm
segment	Segment a point cloud
segment_shapes	Segment a point cloud
segment_snags	Segment a point cloud
segment_trees	Segment a point cloud
sensor	Spatial index
sensor<-	Spatial index
sensor_tracking	Deprecated functions in lidR
set_lidr_threads	Set or get number of threads that lidR should use
shape_detection	Algorithms for shape detection of the local point neighbourhood
shp_hline	Algorithms for shape detection of the local point neighbourhood
shp_hplane	Algorithms for shape detection of the local point neighbourhood
shp_line	Algorithms for shape detection of the local point neighbourhood
shp_plane	Algorithms for shape detection of the local point neighbourhood
shp_vline	Algorithms for shape detection of the local point neighbourhood
silva2016	Individual Tree Segmentation Algorithm
smooth_height	Smooth a point cloud
snag_wing2015	Snags Segmentation Algorithm
sor	Noise Segmentation Algorithm
stdmetrics	Predefined standard metrics functions
stdmetrics_ctrl	Predefined standard metrics functions
stdmetrics_i	Predefined standard metrics functions
stdmetrics_pulse	Predefined standard metrics functions
stdmetrics_rn	Predefined standard metrics functions
stdmetrics_z	Predefined standard metrics functions
stdshapemetrics	Predefined standard metrics functions
stdtreemetrics	Predefined standard metrics functions
storable_coordinate_range	LAS utilities
st_area	Surface covered by a LAS* object
st_area.LAS	Surface covered by a LAS* object
st_area.LAScatalog	Surface covered by a LAS* object
st_area.LASheader	Surface covered by a LAS* object
st_bbox	Bounding box of a LAS* object
st_bbox.LAS	Bounding box of a LAS* object
st_bbox.LAScatalog	Bounding box of a LAS* object
st_bbox.LAScluster	Bounding box of a LAS* object
st_bbox.LASheader	Bounding box of a LAS* object
st_concave_hull	Concave and convex hulls for LAS objects
st_convex_hull.LAS	Concave and convex hulls for LAS objects
st_coordinates	Coordinates of a LAS* object in a matrix form
st_coordinates.LAS	Coordinates of a LAS* object in a matrix form
st_coordinates.LAScatalog	Coordinates of a LAS* object in a matrix form
st_crs	Get or set the projection of a LAS* object
st_crs.LAS	Get or set the projection of a LAS* object
st_crs.LAScatalog	Get or set the projection of a LAS* object
st_crs.LAScluster	Get or set the projection of a LAS* object
st_crs.LASheader	Get or set the projection of a LAS* object
st_crs<-	Get or set the projection of a LAS* object
st_crs<-.LAS	Get or set the projection of a LAS* object
st_crs<-.LAScatalog	Get or set the projection of a LAS* object
st_crs<-.LASheader	Get or set the projection of a LAS* object
st_hull	Concave and convex hulls for LAS objects
st_transform	Transform or convert coordinates of LAS objects
st_transform.LAS	Transform or convert coordinates of LAS objects
summary.LAS	Tools inherited from base R for LAS* objects
summary.LAScatalog	Tools inherited from base R for LAS* objects

-- T --

template_metrics	Metric derivation at different levels of regularization
tin	Spatial Interpolation Algorithm
tools	Tools inherited from base R for LAS* objects
track_sensor	Reconstruct the trajectory of the LiDAR sensor using multiple returns
track_sensor_gatziolis2019	Sensor tracking algorithm
track_sensor_roussel2020	Sensor tracking algorithm
tree_detection	Deprecated functions in lidR
tree_hulls	Deprecated functions in lidR
tree_metrics	Older R Spatial Packages

-- U --

unnormalize_height	Normalize point cloud
unsmooth_height	Smooth a point cloud
util_makeZhangParam	Ground Segmentation Algorithm

-- V --

VCI	Predefined non standard metrics
vlr	LAS utilities
voxelize_points	Voxelize a point cloud
voxel_metrics	Metric derivation at different levels of regularization

-- W --

watershed	Individual Tree Segmentation Algorithm
wing2015	Snags Segmentation Algorithm
wkt	Get or set the projection of a LAS* object
wkt-method	Get or set the projection of a LAS* object
wkt<-	Get or set the projection of a LAS* object
wkt<--method	Get or set the projection of a LAS* object
writeLAS	Write a .las or .laz file

-- misc --

$-method	Extract or Replace Parts of a LAS* Object
$<--method	Extract or Replace Parts of a LAS* Object
--method	Normalize point cloud
.stdmetrics	Predefined standard metrics functions
.stdmetrics_ctrl	Predefined standard metrics functions
.stdmetrics_i	Predefined standard metrics functions
.stdmetrics_pulse	Predefined standard metrics functions
.stdmetrics_rn	Predefined standard metrics functions
.stdmetrics_z	Predefined standard metrics functions
.stdshapemetrics	Predefined standard metrics functions
.stdtreemetrics	Predefined standard metrics functions
[-method	Extract or Replace Parts of a LAS* Object
[[-method	Extract or Replace Parts of a LAS* Object
[[<--method	Extract or Replace Parts of a LAS* Object