Package: lidR 4.1.3

Jean-Romain Roussel

lidR: Airborne LiDAR Data Manipulation and Visualization for Forestry Applications

Airborne LiDAR (Light Detection and Ranging) interface for data manipulation and visualization. Read/write 'las' and 'laz' files, computation of metrics in area based approach, point filtering, artificial point reduction, classification from geographic data, normalization, individual tree segmentation and other manipulations.

Authors:Jean-Romain Roussel [aut, cre, cph], David Auty [aut, ctb], Florian De Boissieu [ctb], Andrew Sánchez Meador [ctb], Bourdon Jean-François [ctb], Gatziolis Demetrios [ctb], Leon Steinmeier [ctb], Stanislaw Adaszewski [cph], Benoît St-Onge [cph]

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lidR.pdf |lidR.html✨
lidR/json (API)
NEWS

# Install 'lidR' in R:
install.packages('lidR', repos = c('https://r-lidar.r-universe.dev', 'https://cloud.r-project.org'))

Peer review:

Bug tracker:https://github.com/r-lidar/lidr/issues

Uses libs:
  • openblas– Optimized BLAS
  • c++– GNU Standard C++ Library v3
  • openmp– GCC OpenMP (GOMP) support library

On CRAN:

alsforestrylaslazlidarpoint-cloudremote-sensing

295 exports 589 stars 14.26 score 49 dependencies 7 dependents 6 mentions 828 scripts 3.7k downloads

Last updated 5 days agofrom:94f5c57c32. Checks:OK: 1 NOTE: 8. Indexed: yes.

TargetResultDate
Doc / VignettesOKSep 24 2024
R-4.5-win-x86_64NOTESep 24 2024
R-4.5-linux-x86_64NOTESep 24 2024
R-4.4-win-x86_64NOTESep 24 2024
R-4.4-mac-x86_64NOTESep 24 2024
R-4.4-mac-aarch64NOTESep 24 2024
R-4.3-win-x86_64NOTESep 24 2024
R-4.3-mac-x86_64NOTESep 24 2024
R-4.3-mac-aarch64NOTESep 24 2024

Exports:.stdmetrics.stdmetrics_ctrl.stdmetrics_i.stdmetrics_pulse.stdmetrics_rn.stdmetrics_z.stdshapemetrics.stdtreemetricsadd_attributeadd_dtm3dadd_flightlines3dadd_lasattributeadd_lasattribute_manualadd_lasniradd_lasrgbadd_treetops3dareaas.spatialcatalogcatalog_applycatalog_boundariescatalog_intersectcatalog_mapcatalog_retilecatalog_sapplycatalog_selectclassify_groundclassify_noiseclassify_poiclip_circleclip_polygonclip_rectangleclip_roiclip_transectcloud_metricsconcavemancount_not_quantizedcrown_metricscrscrs<-csfdalponte2016decimate_pointsdelineate_crownsdensitydsmtinengine_applyengine_chunksengine_cropengine_mergeengine_writeentropyepsgepsg<-evlrextfilter_duplicatesfilter_firstfilter_firstlastfilter_firstofmanyfilter_groundfilter_lastfilter_nthfilter_poifilter_singlefilter_surfacepointsfind_treesforest.colorsgap_fraction_profileGatziolis2019get_lidr_threadsget_rangegrid_canopygrid_densitygrid_metricsgrid_terrainheaderheight.colorshexagon_metricshexbin_metricshighesthomogenizeindexindex<-interpret_waveformisis.algorithmis.emptyis.indexedis.overlappingis.parallelisedis.quantizedivfknnidwkrigingLADLASlas_checklas_is_compressedlas_quantizelas_reoffsetlas_rescalelas_sizelas_updatelasadddatalasaddextrabyteslasaddextrabytes_manualLASBRIGDELASBUILDINGlaschecklascliplasclipCirclelasclipPolygonlasclipRectanglelasdetectshapelasfilterlasfilterdecimatelasfilterduplicateslasfilterfirstlasfilterfirstlastlasfilterfirstofmanylasfiltergroundlasfilterlastlasfilternthlasfiltersinglelasfiltersurfacepointslasflightlinelasgroundLASGROUNDLASheaderLASHIGHVEGETATIONLASKEYPOINTLASLOWPOINTLASLOWVEGETATIONLASMEDIUMVEGETATIONlasmergespatialLASNOISELASNONCLASSIFIEDlasnormalizelaspulseLASRAILlasrangecorrectionlasremoveextrabyteslasreoffsetlasrescaleLASROADSURFACElasscanlinelassmoothlassnagsLASTRANSMISSIONTOWERlastreesLASUNCLASSIFIEDlasunnormalizelasunsmoothlasvoxelizeLASWATERLASWIRECONDUCTORLASWIREGUARDli2012lmflocate_treeslowestmanualmccmerge_spatialncol.LASnormalize_heightnormalize_intensitynpointsnrow.LAScatalogopt_chunk_alignmentopt_chunk_alignment<-opt_chunk_bufferopt_chunk_buffer<-opt_chunk_sizeopt_chunk_size<-opt_filteropt_filter<-opt_independent_filesopt_independent_files<-opt_laz_compressionopt_laz_compression<-opt_mergeopt_merge<-opt_output_filesopt_output_files<-opt_progressopt_progress<-opt_restart<-opt_selectopt_select<-opt_stop_earlyopt_stop_early<-opt_wall_to_wallopt_wall_to_wall<-p2rpastel.colorspayloadphbpitfill_stonge2008pitfreepixel_metricsplotplot_dtm3dplot_metricsplugin_decimateplugin_dsmplugin_dtmplugin_gndplugin_itdplugin_itsplugin_nintensityplugin_outliersplugin_shapeplugin_snagplugin_trackpmfpoint_eigenvaluespoint_metricspolygon_metricsprojectionprojection<-quantizerandomrandom_per_voxelrandom.colorsrange_correctionrasterize_canopyrasterize_densityrasterize_terrainreadALSLASreadALSLAScatalogreadDAPLASreadDAPLAScatalogreadLASreadLAScatalogreadLASheaderreadMSLASreadTLSLASreadTLSLAScatalogreadUAVLASreadUAVLAScatalogremove_lasattributeretrieve_flightlinesretrieve_pulsesretrieve_scanlinesRoussel2020rumple_indexsegment_shapessegment_snagssegment_treessensorsensor_trackingsensor<-set_lidr_threadsshp_hlineshp_hplaneshp_lineshp_planeshp_vlinesilva2016smooth_heightsorst_areast_bboxst_concave_hullst_crsst_crs<-stdmetricsstdmetrics_ctrlstdmetrics_istdmetrics_pulsestdmetrics_rnstdmetrics_zstdshapemetricsstdtreemetricsstorable_coordinate_rangetemplate_metricstintrack_sensortree_detectiontree_hullstree_metricsunnormalize_heightunsmooth_heightutil_makeZhangParamVCIvlrvoxel_metricsvoxelize_pointswatershedwing2015wktwkt<-writeLAS

Dependencies:abindbase64encBHbslibcachemclassclassIntclidata.tableDBIdigeste1071evaluatefastmapfontawesomefsgluehighrhtmltoolshtmlwidgetsjquerylibjsonliteKernSmoothknitrlazyevallifecyclemagrittrMASSmemoisemimeproxyR6rappdirsRcppRcppArmadillorglrlangrlasrmarkdowns2sasssfstarsterratinytexunitswkxfunyaml

LAS formal class

Rendered fromlidR-LAS-class.Rmdusingknitr::rmarkdownon Sep 24 2024.

Last update: 2023-01-01
Started: 2018-12-07

LAScatalog formal class

Rendered fromlidR-LAScatalog-class.Rmdusingknitr::rmarkdownon Sep 24 2024.

Last update: 2021-11-18
Started: 2018-12-07

LAScatalog processing engine

Rendered fromlidR-LAScatalog-engine.Rmdusingknitr::rmarkdownon Sep 24 2024.

Last update: 2023-12-20
Started: 2020-02-11

Speed-up the computations on a LAScatalog

Rendered fromlidR-computation-speed-LAScatalog.Rmdusingknitr::rmarkdownon Sep 24 2024.

Last update: 2023-08-28
Started: 2018-12-07

Create a function that can process a LAScatalog

Rendered fromlidR-catalog-apply-examples.Rmdusingknitr::rmarkdownon Sep 24 2024.

Last update: 2022-01-20
Started: 2018-12-07

Readme and manuals

Help Manual

Help pageTopics
lidR: airborne LiDAR for forestry applicationslidR-package lidR
Add attributes into a LAS objectadd_attribute add_lasattribute add_lasattribute_manual add_lasnir add_lasrgb remove_lasattribute
Metric derivation at different levels of regularizationaggregate cloud_metrics crown_metrics hexagon_metrics pixel_metrics plot_metrics polygon_metrics template_metrics voxel_metrics
Transform to a listas as.list.LASheader
ASPRS LAS Classificationasprs LASBRIGDE LASBUILDING LASGROUND LASHIGHVEGETATION LASKEYPOINT LASLOWPOINT LASLOWVEGETATION LASMEDIUMVEGETATION LASNOISE LASNONCLASSIFIED LASRAIL LASROADSURFACE LASTRANSMISSIONTOWER LASUNCLASSIFIED LASWATER LASWIRECONDUCTOR LASWIREGUARD
LAScatalog processing enginecatalog_apply catalog_map catalog_sapply
Computes the polygon that encloses the pointscatalog_boundaries
Subset a LAScatalogcatalog_intersect catalog_select catalog_subset
Retile a LAScatalogcatalog_retile
Classify pointsclassify classify_ground classify_noise classify_poi
Clip points in regions of interestclip clip_circle clip_polygon clip_rectangle clip_roi clip_transect
Decimate a LAS objectdecimate_points
Deprecated functions in lidRdeprecated filter_surfacepoints filter_surfacepoints.LAS filter_surfacepoints.LAScatalog hexbin_metrics lasadddata lasaddextrabytes lasaddextrabytes_manual lascheck lasclip lasclipCircle lasclipPolygon lasclipRectangle lasdetectshape lasfilter lasfilterdecimate lasfilterduplicates lasfilterfirst lasfilterfirstlast lasfilterfirstofmany lasfilterground lasfilterlast lasfilternth lasfiltersingle lasfiltersurfacepoints lasflightline lasground lasmergespatial lasnormalize laspulse lasrangecorrection lasremoveextrabytes lasreoffset lasrescale lasscanline lassmooth lassnags lastrees lasunnormalize lasunsmooth lasvoxelize sensor_tracking tree_detection tree_hulls
Digital Surface Model Algorithmdsm_pitfree pitfree
Digital Surface Model Algorithmdsm_point2raster p2r
Digital Surface Model Algorithmdsmtin dsm_tin
Spatial Interpolation Algorithmdtm_idw knnidw
Spatial Interpolation Algorithmdtm_kriging kriging
Spatial Interpolation Algorithmdtm_tin tin
Functions for the LAScatalog processing engine not meant to be called directly by usersengine engine_apply engine_chunks engine_crop engine_merge engine_write
Get or set LAScatalog processing engine optionsengine_options opt_chunk_alignment opt_chunk_alignment<- opt_chunk_buffer opt_chunk_buffer<- opt_chunk_size opt_chunk_size<- opt_filter opt_filter<- opt_independent_files opt_independent_files<- opt_laz_compression opt_laz_compression<- opt_merge opt_merge<- opt_output_files opt_output_files<- opt_progress opt_progress<- opt_restart<- opt_select opt_select<- opt_stop_early opt_stop_early<- opt_wall_to_wall opt_wall_to_wall<-
Extract or Replace Parts of a LAS* Object$,LAS-method $,LAScatalog-method $,LASheader-method $<-,LAS-method $<-,LAScatalog-method $<-,LASheader-method Extract [,LAS,logical,ANY-method [,LAS,numeric,ANY-method [,LAS,sf,ANY-method [,LAS,sfc,ANY-method [,LAScatalog,ANY,ANY-method [,LAScatalog,logical,ANY-method [,LAScatalog,sf,ANY-method [,LAScatalog,sfc,ANY-method [[,LAS,ANY,missing-method [[,LAScatalog,ANY,missing-method [[,LASheader,ANY,missing-method [[<-,LAS,ANY,missing-method [[<-,LAScatalog,ANY,ANY-method [[<-,LASheader,character,missing-method
Filter points of interestfilters filter_duplicates filter_duplicates.LAS filter_duplicates.LAScatalog filter_first filter_firstlast filter_firstofmany filter_ground filter_last filter_nth filter_poi filter_single
Ground Segmentation Algorithmcsf gnd_csf
Ground Segmentation Algorithmgnd_mcc mcc
Ground Segmentation Algorithmgnd_pmf pmf util_makeZhangParam
Convert full waveform data into a regular point cloudinterpret_waveform
A set of boolean tests on objectsis is.algorithm is.empty,LAS-method is.indexed is.overlapping is.parallelised
Individual Tree Detection Algorithmitd_lmf lmf
Individual Tree Detection Algorithmitd_manual manual
Individual Tree Segmentation Algorithmdalponte2016 its_dalponte2016
Individual Tree Segmentation Algorithmits_li2012 li2012
Individual Tree Segmentation Algorithmits_silva2016 silva2016
Individual Tree Segmentation Algorithmits_watershed watershed
Inspect a LAS objectlas_check
Compression of the point cloudlas_compression las_is_compressed las_size
LAS utilitiescount_not_quantized evlr header is.quantized las_quantize las_reoffset las_rescale las_update las_utilities payload phb quantize storable_coordinate_range vlr
An S4 class to represent a .las or .laz fileLAS LAS-class
An S4 class to represent a collection of .las or .laz filesLAScatalog-class
Create a 'LASheader' objectLASheader
An S4 class to represent the header of .las or .laz filesLASheader-class
LAScatalog driverslidR-LAScatalog-drivers
Parallel computation in lidRlidR-parallelism
Spatial indexindex index<- lidR-spatial-index sensor sensor<-
Individual tree detectionlocate_trees
Merge a point cloud with a source of spatial datamerge_spatial
Noise Segmentation Algorithmivf noise_ivf
Noise Segmentation Algorithmnoise_sor sor
Normalize point cloud-,LAS,ANY-method normalize normalize_height normalize_intensity unnormalize_height
Predefined non standard metricsentropy gap_fraction_profile LAD nstdmetrics rumple_index VCI
Older R Spatial Packagesas.spatial as.spatial.LAS as.spatial.LAScatalog delineate_crowns find_trees grid_canopy grid_density grid_metrics grid_terrain old_spatial_packages tree_metrics
Pits and spikes fillingpitfill_stonge2008
Plot a LAS* objectforest.colors height.colors pastel.colors plot plot,LAS,missing-method plot,LAScatalog,missing-method plot,LASheader,missing-method random.colors
Add a spatial object to a point cloud sceneadd_dtm3d add_flightlines3d add_treetops3d plot_3d plot_dtm3d
Plot voxelized LiDAR dataplot.lasmetrics3d
Plugin systemplugins plugin_decimate plugin_dsm plugin_dtm plugin_gnd plugin_itd plugin_its plugin_nintensity plugin_outliers plugin_shape plugin_snag plugin_track
Point-based metricspoint_eigenvalues point_metrics
Tools inherited from base R for LAS* objectsdensity density,LAS-method density,LAScatalog-method density,LASheader-method dim.LAS dim.LAScatalog names.LAS names.LASheader ncol.LAS npoints nrow.LAScatalog print.LAS print.LAScatalog print.lidRAlgorithm print.raster_template rbind.LAS summary.LAS summary.LAScatalog tools
Intensity normalization algorithmget_range range_correction
Rasterize a point cloudrasterize rasterize_canopy rasterize_density rasterize_terrain
Read .las or .laz filesreadALSLAS readDAPLAS readLAS readMSLAS readTLSLAS readUAVLAS
Create an object of class LAScatalogcatalog readALSLAScatalog readDAPLAScatalog readLAScatalog readTLSLAScatalog readUAVLAScatalog
Read a .las or .laz file headerreadLASheader
Retrieve individual pulses, flightlines or scanlinesretrieve_flightlines retrieve_pulses retrieve_scanlines
Point Cloud Decimation Algorithmhomogenize sample_homogenize
Point Cloud Decimation Algorithmhighest lowest sample_maxima
Point Cloud Decimation Algorithmrandom_per_voxel sample_per_voxel
Point Cloud Decimation Algorithmrandom sample_random
Segment a point cloudsegment segment_shapes segment_snags segment_trees
Set or get number of threads that lidR should useget_lidr_threads set_lidr_threads
Algorithms for shape detection of the local point neighbourhoodshape_detection shp_hline shp_hplane shp_line shp_plane shp_vline
Smooth a point cloudsmooth_height unsmooth_height
Snags Segmentation Algorithmsnag_wing2015 wing2015
Surface covered by a LAS* objectarea,LAS-method area,LAScatalog-method area,LASheader-method st_area st_area.LAS st_area.LAScatalog st_area.LASheader
Bounding box of a LAS* objectext,LAS-method ext,LAScatalog-method ext,LAScluster-method ext,LASheader-method st_bbox st_bbox.LAS st_bbox.LAScatalog st_bbox.LAScluster st_bbox.LASheader
Coordinates of a LAS* object in a matrix formst_coordinates st_coordinates.LAS st_coordinates.LAScatalog
Get or set the projection of a LAS* objectcrs,LAS-method crs,LAScatalog-method crs,LAScluster-method crs,LASheader-method crs<-,LAS-method crs<-,LAScatalog-method crs<-,LASheader-method epsg epsg,LAS-method epsg,LASheader-method epsg<- epsg<-,LAS-method epsg<-,LASheader-method projection projection<- st_crs st_crs.LAS st_crs.LAScatalog st_crs.LAScluster st_crs.LASheader st_crs<- st_crs<-.LAS st_crs<-.LAScatalog st_crs<-.LASheader wkt wkt,LAS-method wkt,LASheader-method wkt<- wkt<-,LAS-method wkt<-,LASheader-method
Concave and convex hulls for LAS objectsconcaveman st_concave_hull st_convex_hull.LAS st_hull
Transform or convert coordinates of LAS objectsst_transform st_transform.LAS
Predefined standard metrics functions.stdmetrics .stdmetrics_ctrl .stdmetrics_i .stdmetrics_pulse .stdmetrics_rn .stdmetrics_z .stdshapemetrics .stdtreemetrics stdmetrics stdmetrics_ctrl stdmetrics_i stdmetrics_pulse stdmetrics_rn stdmetrics_z stdshapemetrics stdtreemetrics
Reconstruct the trajectory of the LiDAR sensor using multiple returnstrack_sensor
Sensor tracking algorithmGatziolis2019 track_sensor_gatziolis2019
Sensor tracking algorithmRoussel2020 track_sensor_roussel2020
Voxelize a point cloudvoxelize_points
Write a .las or .laz filewriteLAS