LAStools changelog

04 March 2025 — NEW: wkt generation from GeoTIFF optional internal ‚-set_ogc_wkt‘ or by PROJ ‚-set_proj_wkt‘
19 February 2025 — NEW: „-fail“ for licensed tools will be default. use „-demo“ to run in demo mode
21 January 2025 — NEW: lastile: option to keep files containing only buffer points (-keep_buffer_only_tiles)
17 January 2025 — NEW: lasgrid ’no_data_map‘ argument to set all no_data values to a color_map entry
17 January 2025 — NEW: lasoverlap ‚grid_center‘ option
12 December 2024 — NEW: -offset_adjust to avoid range errors on transformations
9 December 2024 — NEW: lascopy64: new match arguments: number_of_returns, scan_angle, flags, user_data
25 November 2024 — NEW: demzip and demdiff @linux
25 November 2024 — fix: lasvdatum performance bug / debug output
22 November 2024 — 7z removed from the delivery. User must install it themselves if required.
19 November 2024 — NEW: Extended lasgrid and las2dem with ‚-grid_center‘ argument.
19 November 2024 — fix: blast2dem get dynamic directories
18 November 2024 — NEW: validate LAS version and point_data_format prior writing LAS/LAZ files
14 November 2024 — NEW: lascopy: -copy_attribute, -copy_return_number, -copy_number_of_returns arguments
12 November 2024 — fix: lasinfo GUID byteorder
11 November 2024 — NEW: Multi-file support for PROJ operations
07 November 2024 — convert intensity to gray RGB value
06 November 2024 — fix: lasinfo multi-core performance issue
06 November 2024 — NEW: ’no_data_alpha‘ option to support alpha channel in GeoTIFF outputs
31 October 2024 — NEW: lasgrid64: Support more than 64 colors in color mapping
31 October 2024 — NEW: lascopy64: Support rgb and user data as copy value
31 October 2024 — NEW: lascopy64: Give warning when keys not match
31 October 2024 — NEW: Added support for BigTIFF format in TIFF outputs to handle data larger than 4GB.
16 October 2024 — fix: las2dem64 handle NaN triangles on small step size
01 October 2024 — fix: lastile multi core
28 September 2024 — NEW: lasgrid64 precision enhancement
28 September 2024 — NEW: rasterizer upgrade from 32 to 64 bit
28 September 2024 — NEW: lasvdatum: improve gtx parser; handle invalid files; -gtx_debug [n] argument
28 September 2024 — NEW: lasground_new multicore
28 September 2024 — NEW: Extension of lasinfo to support JSON output.
28 September 2024 — NEW: Integrate PROJ library into LAStools for CRS transformations and metadata querying
28 September 2024 — fix: Enhance log for stdin and multi-core
05 August 2024 — NEW: blast2dem ported to linux
05 August 2024 — NEW: local GUI option on 64 bit versions
12 July 2024 — fix: close #203: ascii file encoding fix
10 July 2024 — NEW: lasdatum -preserve_z argument to keep original height after transformation (only transform x/y coordinates)
09 July 2024 — NEW: filter argument -drop_edge_of_flight_line
04 July 2024 — NEW: lasinfo -scale_header argument to do a relative scale of all header values
24 June 2024 — fix: las2dem: rasterizer could hang on tiny grid steps
21 June 2024 — NEW: lasvdatum subgrid merge
21 June 2024 — fix: avoid fallback to verbose if -vv and -v is used
21 June 2024 — fix: log las file open at very_verbose level
21 June 2024 — close #199: ARM64 fix; explicit signed char usage
17 June 2024 — NEW: support ascii codepages (umlauts) in filenames
17 June 2024 — resolve compiler warnings
11 June 2024 — fix: argument handler multi core support; pass 64bit to all multicore tools; fix 64bit executeable param
04 June 2024 — NEW: lasheight: -kill and -prohibit_extrapolation options
03 June 2024 — fix: lasclassify: z_from_attrib support
31 Mai 2024 — fix: lasvoxel: support ignore_xxx arguments
29 Mai 2024 — NEW: lasdatum: support >16 (sub)grids (up to 255); print very_verbose log output about grid selection
22 Mai 2024 — fix: lasground64, lasground_new64: continue with next file on single file abort
21 Mai 2024 — bugfix error handling
18 Mai 2024 — NEW: lasclip: support filename_as_prefix and filename_as_suffix
7 Mai 2024 — lascopy redesign: multiple match and copy options
7 Mai 2024 — unify exit codes; refactoring error handling
7 Mai 2024 — fix: lasinfo output point iterator
19 March 2024 — NEW: read z from attribute (-z_from_attribute)
19 March 2024 — fix: find licensefile at bin location (linux)
19 March 2024 — fix: multicore bin localization (linux)
26 February 2024 — LASMessage concept; warnings fix; error handling
13 February 2024 — bugfix BIL writer and multi-core argument parser
18 January 2024 — implement translate_scale_translate functions (64bit)
15 January 2024 — fix coldesc support las2txt, txt2las; doc update
14 December 2023 — hsv/hsl colormodel implementation
8 December 2023 — copc implementation
10 November 2023 — fix: las2dem: missing pixel bug
04 August 2023 — set default of VLR header „reserved“ to 0 instead of 0xAABB
31 July 2023 — NEW: las3dpoly and lasintensity
30 March 2023 — lasclip: Enable large SHP files in split mode
02 February 2023 — Support of non-extended classifications in laswriter
20 December 2022 — ArcGIS plugin update to ArcGIS Pro
6 December 2022 — lasintensity: tool to adjust intensity by scan angle and atmosphere
28 November 2022 — las2las: added parameter ‚-load_ogc_wkt‘ (load string from file to OGC WKT)
16 June 2022 — changed reference docs from *_README.txt to *_README.md
22 March 2022 — lasindex: added -o parameter; Fix fseek for gcc for las/lax file > 2Gb
22 March 2022 — LASlib: added ‚-iptx_transform‘ option;
7 January 2022 — lastrack: extra_byte output bugfix
30 December 2021 — fix small memory leak in lasreaditemcompressed_v3.cpp
1 December 2021 — lasclip: merge split output with same shape names
18 November 2021 — LASlib: new LAStransform ‚-force_RGB‘
12 November 2021 — LASlib/LASzip merge, bug fix memory leak; add some x64 tool versions
19 July 2021 — NEW: lasvdatum: vertically moves elevation using ellipsoidal / geoidal difference grids in GTX format
15 July 2021 — lasinfo: terribly stupid bug fixed for recently added option ‚-delete_empty‘
12 July 2021 — lasview: bug fix in saving on manual edits. now multiple edits can be saved without restarting the viewer.
11 July 2021 — lassort: catching quicksort failure with proper ERROR when stack overflow due to exzessive duplicate points
10 July 2021 — lascopy: added ‚-keypoint_flag‘, ‚-synthetic_flag‘ and ‚-overlap_flag‘ so that all flags can be copied
6 July 2021 — Potree16: fix for measuring tool bug introduced by recent Google Chrome and Microsoft Edge browser update
5 July 2021 — NEW: lasprobe: handy tool to probe the elevation of one or many LiDAR files at one indicated x / y position
15 June 2021 — LASlib: new ‚-clamp_RGB_to_8bit‘ transform useful after ‚-scale_rgb 0.07 0.05 0.05‘ to avoid 8 bit overflow
10 June 2021 — lasgrid: added ‚-color_map color_map.txt‘ to map small values from 0 to 63 to specified RGB color
10 June 2021 — lasinfo: new option ‚-delete_empty‘ for deleting LAS files with zero points
9 June 2021 — LASlib: bug fix, disallow simultanous use of ‚-keep_class‘ together with ‚-keep_extended_class‘
7 June 2021 — lasgrid: fixed ‚-classification_majority_16bit‘ to support extended classes
5 June 2021 — lasview: option ‚-screenshot memoy.ppm‘ starts the viewer and grabs / stored the first full frame to PPM format.
3 June 2021 — lasview: new hot-key ‚D‘ that stores screen to ‚temp.ppm‘. need to let my moy go, but it breaks my heart and more.
31 May 2021 — lasgrid: use ‚-extended_classification_variety‘ to compute different classifications per cell for extended point types
31 May 2021 — lascopy: new option ‚-unmatched‘ activates simple copy of requested attribute in point order
30 May 2021 — LASlib: bug fix when writing LAS files to ASCII text (extended classifications above 31 were always zero)
30 May 2021 — demzip: minor bug fix for rare ASC files and new option ‚-class 2‘ to set classification in LAZ raster
18 April 2021 — lascolor: new options ‚-pairs point_pairs.laz‘ locally correct image alignment via IDW vectors
10 April 2021 — LASlib: new ‚-keep_profile p1_x p1_y p2_x p2_y width‘ keeps a segment of a certain width
30 March 2021 — lasdatum: distinguish between ‚-pvr‘ and ‚-cfr‘ for seven parameter helmert transform
26 March 2021 — laspublish: added support for PotreeViewer 1.8 (as generated by PotreeConverter 2.1)
24 March 2021 — LASlib: bug fix only for signed long (I32) in LASattributer.set_value_as_float()
23 March 2021 — lasdatum: now also supports seven parameter helmert transforms via option ‚-seven ……‘
21 March 2021 — LASlib: new LAStransform ‚-set_NIR 255‘
16 February 2021 — LASlib and all LAStools: better detection and ERROR when your LAZ file has corruptions in the LAS header
28 January 2021 — NEW: lasdatum: perform a datum transform using an NTv2 grid using the GRID.gsb file provided by the national survey
22 January 2021 — lasduplicate: new option ‚-unique_xyzt‘ for marking/removing duplicates where XYZ and GPS time stamps match
17 January 2021 — lascolor: new options: -band_into_red 0 -band_into_green 1 -band_into_blue 2 -band_into_nir 3 -band_into_intensity 5
15 January 2021 — LASlib: new magic while reading files: ‚-divide_registers 0 1 2‘ and ‚-subtract_registers 0 1 2‘
14 January 2021 — las2las: new option to add an empty VLR: -add_empty_vlr „hello martin“ 4711 „i like laser chickens“
7 December 2020 — fixed new bug introduced 28 September 2020 for command-line combo ‚-o out.laz -odix _mist -cpu64‘
22 November 2020 — las2las: when reprojecting only x and y, preserve resolution of z coordinate, if not set explicitely
11 November 2020 — lasinfo: new option ‚-set_vlr_record_id 2 4711‘ changes ‚record ID‘ field of VLR with index 2
11 November 2020 — lasinfo: new option ‚-set_vlr_user_id 1 „hello martin“‚ changes ‚user ID‘ field of VLR with index 1
10 November 2020 — lasinfo: new option ‚-set_vlr_description 0 „hello martin“‚ changes ‚description‘ field of VLR with index 0
1 November 2020 — lascanopy: new option to output either minimal or maximal GPS time stamp with ‚-gps_min‘ or ‚-gps_max‘
30 October 2020 — las2las: fail / exit with error code when input file is corrupt
10 October 2020 — LASlib: new ‚-copy_register_into_R 0‘, ‚-copy_register_into_G 1‘, ‚-copy_register_into_B 2‘, ‚-copy_register_into_NIR 3‘
5 October 2020 — LASlib: new ‚-scale_NIR 2‘, ‚-scale_NIR_down‘, ‚-scale_NIR_up‘, ‚-scale_NIR_to_8bit‘, ‚-scale_NIR_to_16bit‘
3 October 2020 — LASlib: new LAStransforms ‚-add_registers 0 1 2‘, ‚-multiply_registers 0 1 2‘ and ‚-translate_register 1 10.7‘
2 October 2020 — lassplit: new option to split based on EXTRA BYTES attributes „-by_attribute_interval 0 1.0“
30 September 2020 — LASlib: new LAStransforms ‚-copy_register_into_point_source 1‘ and ‚copy_attribute_into_point_source 0‘
28 September 2020 — lastile: small bug fix for correct ‚-odix _mist‘ tile names also when using ‚-cpu64‘ switch
23 September 2020 — LASzip and LASlib: rare fix for reading bit-corrupted LAZ files where chunk table is zeroed
13 August 2020 — lasgrid: added vertical offset to ‚-subcircle 0.2 -0.1‘ to keep tree tops
4 August 2020 — lasthin: added vertical offset to ‚-subcircle 0.2 -0.1‘ to keep tree tops
18 June 2020 — LASlib: first new LAStransforms that allow 16 temporary registers for intermediate computations
9 May 2020 — LASlib and all LAStools: fixed PLY reader for files written by Cloud Compare with odd header entry
13 March 2020 — lastile: fixed bug in combination of ‚-cpu64‘ and ‚external_tiling tiles.shp‘
10 March 2020 — LASlib and all LAStools: enhanced PLY reader to also support „uint“ attributes and properties
9 March 2020 — LASlib and all LAStools: fixed PLY reader for „double“ or „float64“ attributes and properties
29 February 2020 — lastile: exit with ERROR when ‚-external_tiling index.shp FNAME‘ does not overlap the input point cloud
24 February 2020 — las2las: check horizontal datum when reprojecting and also set OCG WKT when point type >= 6
22 February 2020 — lasclassify: do not fail when all of the input points are ignored, but simply copy the unmodified file
19 February 2020 — lasclip: bug fix for ‚-split 0‘ when DBF attribute is unique number and not unique string as file name
18 February 2020 — lasinfo: report classification histogram for ‚withhelp‘, ‚keypoint‘, ’synthetic‘, ‚overlap‘ flagged points
16 February 2020 — las2dem, lasgrid, lasoverlap: new ‚-osep space‘, ‚-osep tab‘ or ‚-osep semicolon‘ specifies XYZ seperator
15 February 2020 — LASlib: new transforms ‚-scale_RGB_to_8bit‘ and ‚-scale_RGB_to_16bit‘ only scale RGB values if needed
14 February 2020 — LASlib: new ‚-multiply_divided_intensity_into_RGB_green 255‘ ‚-multiply_scaled_intensity_into_RGB_red 0.4‘
14 February 2020 — LASlib: new filter ‚-keep_RGB_greenness 10 65535‘ keep points if 2G-R-B falls into specified interval
13 February 2020 — demzip, demdiff: bug fix for reading rasters whose number of cells (ncols x nrows) is over 2 billion
13 February 2020 — lasoptimize, lasoptimize64: bug fix for certain GPS time stamp orderings that crashed the tool
10 February 2020 — lasinfo: handle up to 10 attributes with ‚-histo attribute0 1.0‘ through ‚-histo attribute9 0.1‘
10 February 2020 — LASlib: new transform ‚-load_attribute_from_text 0 new_attribute.txt‘
9 February 2020 — las2las: add „additional attributes“ with ‚-add_attribute data_type name description [scale offset no_data]‘
8 February 2020 — LASlib: new transforms ‚-copy_user_data_into_classification‘ and ‚-set_attribute 0 1.5‘
31 January 2020 — blast2dem, blast2iso: update forgotten handling of selected NZ and AU newer EPSG codes
30 January 2020 — LASlib: new transforms to ‚-copy_attribute_into_x 4‘ and ‚-copy_attribute_into_y 5‘
28 January 2020 — LASlib: PLY point cloud reader stores integer properties as „additional attributes“ using „extra bytes“
27 January 2020 — demzip, demdiff: correct reading of non-integer ’no data‘ values from GeoTIFF rasters
12 January 2020 — lastile: bug fix when doing ‚-remove_buffer‘ for on-the-fly buffered tiles that had points deleted
10 January 2020 — lastile: also supports an appendix at the end of the file name via ‚-odix _abcde‘
8 January 2020 — lasgrid: options ‚-subsquare 0.25 -average -use_tile_size 2000‘ convert from corner grids to area grids
6 January 2020 — lasvalidate: fix for LAS 1.4 files with extra bytes and new option ‚-tile_size 1000‘ to check tile extend
2 January 2020 — lasgrid and las2dem: also support 3-band 8 bit RGB output (‚-false‘, ‚-rgb‘) for IMG raster output
1 January 2020 — lastile: fix for 64 bit combination of ‚-external_tiling tiles_utm_600m.shp NAME‘ and ‚-cpu64‘
24 December 2019 — LASzip, LASlib, all LAStools: bug fix for file names with special characters like ‚Töögrupid.laz‘
10 December 2019 — lascolor: support 3-band 8 bit RGB ‚-image‘ input from IMG format in addition to TIF and PNG formats
26 November 2019 — lastile: option ‚-external_tiling tiles_utm_600m.shp NAME‘ creates tiles from SHP file with names
23 November 2019 — demzip: bug fix for ‚-nodata ….‘ command line switches and out-of-core handling for large raster
16 November 2019 — LASlib: bug fix in command line parsing of ‚-inside … … … …‘ followed by other commands
10 November 2019 — lasgrid, las2dem: fix for x/y coordinates in XYZ raster writer when step is smaller than 1 meter
9 November 2019 — laszip: fix for selective decompression of more than 16 extra bytes in new point types 6 or higher
5 November 2019 — lastile: new (experimental) option ‚-kdtree‘ speeds up retiling tons of tiles on multiple cores
4 November 2019 — lasdiff: new option ‚-wildcards folder1/ayu*.laz folder2/ayu*.laz‘ compares folder of LAS/LAZ files
3 November 2019 — lasindex: new option ‚-meta‘ produces ASCII file list with number of points, bounding box, file name
25 October 2019 — lastile: exit with PERFORMANCE error when tiling non-indexed tiles on multiple cores
24 October 2019 — lastile: allow multi-core tiling with rescale, reoffset, and auto_reoffset
23 October 2019 — fix in LASlayers: broken interplay between ‚-ilay‘ and ‚-ignore_xxxxx‘ switches fixed
21 October 2019 — lasreturn: mark returns with reused GPS time ‚-classify_violation_as 7‘ and ‚-classify_duplicate_as 9‘
17 October 2019 — lasinfo, las2las: support horizontal datum NAD83(PA11) and vertical datum NZVD2016
16 October 2019 — LASlib: new option ‚-copy_scanner_channel_into_user_data‘ for new LAS 1.4 point types 6 or higher
13 October 2019 — lasgrid: selective decompression bug fix for ‚-classification‘ when input are compressed LAS 1.4 points
26 September 2019 — open source tools ignore ‚-fail‘ which makes closed source tools fail if license expired / not found
24 September 2019 — lasclip, lasthin, lasclassify, lascolor, …: new ‚-ignore_withheld‘ and more exposed via GUI
16 September 2019 — lasindex: new option ‚-dont_reindex‘ to prevent recreating of already existing LAX files
15 September 2019 — NEW: demdiff compares whether rasters in ASC, BIL, TIF, IMG and RasterLAZ are identical
12 September 2019 — demzip: also support IMG format and 64 bit TIF elevation / height rasters
10 September 2019 — lascanopy: option ‚-remove_empty_rasters‘ deletes raster files containing only ’no data‘ values
8 September 2019 — lascolor: restrictive parsing of input combinations (only allow valid, don’t ignore invalid)
8 September 2019 — lastile: allow multi-core tiling with filters and transforms
28 August 2019 — several LAStools (lascolor, lasthin, …): complete overhaul of ‚-ignore_xxxxx‘ functionality
11 August 2019 — lasoptimize64: also support optimizing very large files (if over 4GB as uncompressed LAS)
11 August 2019 — lascopy64: serious bug fix for copying very large files (if over 4GB as uncompressed LAS)
11 August 2019 — lassort64: serious bug fix for sorting very large files (if over 4GB as uncompressed LAS)
10 August 2019 — las2las: set exotic vertical datums via ‚-vertical_epsg 5607‘ (= „Bora Bora SAU 2001 height“)
8 August 2019 — lasinfo: improved reporting of bounding box, size, and buffer for tiles created by lastile
2 August 2019 — lasnoise64, lasduplicate64, lasdistance64, lascanopy64, lasvoxel64: increase default max ‚-mem‘
30 July 2019 — lasgrid: increase default memory max to 1.75 GB. lasgrid64: increase default memory max to 6 GB.
28 July 2019 — NEW: demzip compresses DTM, DSM, CHM, metrics, and GEOID rasters from ASC, BIL, TIF to RasterLAZ
18 July 2019 — txt2las: bug fix in functionality for adding ‚-add_attribute‘ in extra bytes introduced in late 2018
11 July 2019 — LASlib, LAStools: report file name when LASreader has ‚ERROR: ‚end-of-file during chunk with index 3254‘
7 July 2019 — lasnoise, lasground, lasground_new: new ‚-ignore_extended_class 33‘, ‚-ignore_first_of_many‘, …
4 July 2019 — LASlib: two new LAStransforms ‚-switch_RGBI_into_CIR‘ and ‚-switch_RGB_intensity_into_CIR‘
3 July 2019 — lasnoise: new option ‚-by_flightline‘
2 July 2019 — lasinfo: report missing VerticalCSTypeGeoKey 7837 as DHHN2016
29 June 2019 — lascolor: bug fix for copying ‚-gray‘ image into ‚-intensity‘ field introduced in version 190623
26 June 2019 — lascolor: small bug fix for ‚-classify_as 8‘ when input TIF or PNG is RGB color instead of gray
25 June 2019 — las2dem, las2iso, las2tin: bug fix for breaklines with repeated vertices and many open breaklines
23 June 2019 — NEW: lasdistance classifies or flags points within a certain xy-distance to a polygon or a polyline
21 June 2019 — lascolor: new ‚-classify_as 8‘, ‚-classify_black‘, ‚-classify_non_black‘, as well as ‚-ignore_class 5 6‘
20 Juni 2019 — laszip: also compress Trimble ‚-waveforms‘ or ‚-waveforms_with_map‘ when very first WDP offset is 0
19 June 2019 — lascolor: support PNG input in addition to TIF
18 June 2019 — lasoverage: added missing ‚-ignore_class 7‘ selection options to the GUI
11 June 2019 — lascanopy: string or integer from DBF to name polygons ‚-lop plots.shp plotID‘ or ‚-lop plots.shp 3‘
10 June 2019 — lasground, lasground_new, lasheight, lasclip, lasnoise, …: also have ‚-ignore_class_mask 0xFFFFFFFE‘
9 June 2019 — lasthin: option ‚-ignore_class_mask 0xFFFFFFFE‘ ignores bit-mask of classes. here all except class 0.
8 June 2019 — las2dem: bug fix in option ‚-float_precision 0.01‘
4 June 2019 — lastrack: bug fix in option ‚-classify_xy_range_and_height_between xy_min xy_max h_min h_max class‘
3 June 2019 — LASlib: new transform ‚-copy_user_data_into_z‘
1 June 2019 — lasgrid: also support ‚average‘ and ’stddev‘ computation for ‚user_data‘ field
29 May 2019 — lasoverage: new options ‚-ignore_class 7‘ and ‚-ignore_withheld‘ and ‚-ignore_overlap‘
25 May 2019 — las2tin: repair broken combination of output folder ‚-odir meshes‘ and multi-core processing ‚-cores 4‘
24 May 2019 — las2las: ‚-add_attribute data_type name description [scale offset no_data]‘ adds „extra bytes“ attribute
20 May 2019 — LASlib: warn if ‚-filtered_transform‘ is used but no LAStransform or no LASfilter was specified
10 May 2019 — LASlib: check for integer overflow during scaling, translating, rotating, and other LAStransforms
7 May 2019 — lasgrid, las2dem, lascanopy, lasoverlap: new option ‚-no_world_file‘ for PNG, JPG, TIF, and BIL output
3 May 2019 — txt2las: correctly parse extended classifications larger than 31 by adding ‚-set_point_type 6‘ or higher
17 April 2019 — lastile: added missing support for parallel tiling with 64 bit executable (i.e. ‚-cores 4 -cpu64‘)
16 April 2019 — LASlib, LAStools: fixed ‚-keep_extended_classification 41‘ for multi-core mode of 64 bit executables
11 April 2019 — LASzip: increase AC_BUFFER_SIZE from 1024 to 4096 to lower chance of ultra-rare propagate_carry() issue
4 April 2019 — e572las: read spherical coordinates and populate VLRs with name, guid, description, sensorModel, …
3 April 2019 — lasview: pick profile line: press ‚x‘, hold , draw line, press ‚x‘, adjust width in pop-up menu
1 April 2019 — lasview: new options ‚-load_gps_time‘ and ‚-load_gps_second‘ to display time stamp when picking point
31 March 2019 — LASzip, LASlib, LAStools: better LASzip license thanks to Amir Said. upgrade to version 3.4 revision 0
23 March 2019 — lasreturn: bug fix for incorrect parsing of bin size when using option ‚-histo return_distance 0.1‘
21 March 2019 — lasoverage: new ‚-classify_as 18‘ to give overage / overlap points classification different from 12
20 March 2019 — lasoverage: new option ‚-entire_overlap‘ to classify, flag, or delete *all* points in overlap area
19 March 2019 — LASlib, LASzip, LAStools: bug fix in „legacy class“ decompressing new point types with „class > 31“
10 March 2019 — lastrack: bug fix when ‚-store_height_as_extra_bytes‘ if extra bytes already exist in input file
6 March 2019 — lasvoxel: new option ‚-step_z_infinite‘ for a 2D voxelization with infinitely extending z cells
5 March 2019 — all LAStools: support GeoTIFF keys 3084 through 3087 used by RIEGL in generic LambertConfConic_2SP
26 February 2019 — las2dem, lasgrid, lasoverlap: disable ’nodata‘ for TIF when writing 8 bit / 3 band RGB images
26 February 2019 — lastile: fixed bug for ‚-reverse_tiling‘ that was introduced with release of 64 bit executables
25 February 2019 — lascanopy: new height/intensity metric „Height of Median Energy or HOME“ via switch ‚-hom‘
22 February 2019 — laszip: warn if uncompressed LAS file has *.laz extension and vice-versa but don’t override file.
21 February 2019 — LASlib, LASzip, LAStools: bug fix when writing 4,294,967,296 or more points uncompressed to LAS
20 February 2019 — lasheight: bug fix when ‚-store_height_as_extra_bytes‘ if extra bytes already exist in input file
19 February 2019 — las2las: fix ‚-set_attribute_offset 0 1.5‘. new ‚-unset_attribute_scale 1‘ ‚-unset_attribute_offset 0‘
18 February 2019 — lasinfo: do not expect zero terminated strings for ‚user ID‘ and ‚description‘ of VLRs and EVLRs
17 February 2019 — lasinfo: new ‚-set_geotiff_epsg 32755‘ adds EPSG code in-place when other GeoTIFF tags present
16 February 2019 — lasinfo: option ‚-rename lala‘ rename files (tiles) from ‚fusa.laz‘ to ‚lala_277750_6122250.laz‘
6 February 2019 — lasoptimize64: bug fix in 64 bit version of lasoptimize for input files exceeding a certain size
5 February 2019 — lassort64: bug fix in 64 bit version of lassort for input files exceeding a certain file size
1 February 2019 — lasground: fix of bug occuring for tiny input files that have no ground that should just be copied
31 January 2019 — lascanopy: new ‚-s_upper 95‘ to use only 95 percent highest heights for: -avg -qav -std -ske -kur
29 January 2019 — las2txt: fix when outputting scaled or offset „extra bytes“ with ‚-parse xyz012‘
27 January 2019 — laszip: fix for ‚-no_native‘ or ‚-compatible‘ when LAS 1.4 input is already ’native‘ compressed
27 January 2019 — lasreturn: compute 3D distance between subsequent returns (aka gaps) and store as extra bytes
26 January 2019 — lasinfo: fix report of min/max extra byte values when scale is not set and has value of zero
25 January 2019 — all LAStools: new „Extra Bytes“ transform ‚-add_scaled_attribute_to_user_data 0 10.0‘
22 January 2019 — lasinfo: fixed bug of tool simply stopping to read points when reaching a total of 4294967295
21 January 2019 — lascolor: create 64 bit version and add missing ‚-cpu64‘ switch
21 January 2019 — lasinfo: ‚-repair‘ or ‚-repair_counters‘ bug fix for repairing legacy return counters in LAS header
20 January 2019 — lasinfo: also report min/max values of documented additional attributes stored in ‚extra bytes‘
14 January 2019 — lasgrid64, las2dem64, lascanopy64, lasoverlap64: also support PNG, JPG, and TIF raster output
13 January 2019 — lasoverlap: create 64 bit version and add missing ‚-cpu64‘ switch
11 January 2019 — all LAStools: exit with ERROR when ‚-cpu64‘ switch is used but 64 bit executable cannot be found
11 January 2019 — lasmerge: add missing ‚-cpu64‘ switch
11 January 2019 — lasboundary: if ‚-overview -oshp‘ is selected but no output file given, then use ‚-o overview.shp‘
10 January 2019 — lasthin: bug fix for crash when inputting LAS or LAZ that was output from unlicensed LAStools module
5 January 2019 — lasground & lasground_new: do not zero ‚user_data‘ in unlicensed version when using ‚-compute_height‘
4 January 2019 — all LAStools: new „Extra Bytes“ transform ‚-add_attribute_to_z 0‘ & ‚-add_scaled_attribute_to_z 1 -1.5‘
3 January 2019 — all LAStools: new „Extra Bytes“ transform ‚-scale_attribute 0 1.1‘ & ‚-translate_attribute 1 10.25‘
29 December 2018 — lasclip: new option ‚-ignore_extended_class 43 43 44 67‘ for LAS 1.4 classifications larger than 31
28 December 2018 — LASzip, LASlib and all LAStools: fix for LASzip v4 decompression of WavePacket part of PRDF 9 and 10
27 December 2018 — LASzip, LASlib and all LAStools: upped to 3.2 r9 for bug fix in multi-channel NIR decompression
18 December 2018 — lasboundary: bug fix for 64 bit executable called via ‚-cpu64‘ with ‚-overview‘ by 32 bit executable
5 December 2018 — LASlib: new ‚-transform_affine 0.9999652,0.903571,171.67,736.26‘ with paramters scale,angledeg,tx,tz
4 December 2018 — las2dem: bug fix for ‚-spike_free‘ algorithm crash when there are extremely few points in input file
29 November 2018 — all 64 bit executables: bug fix for ignored ‚-merged‘ when called via ‚-cpu64‘ by 32 bit executable
28 November 2018 — e572las: bug fix for E57 files when applying translation vector with *huge* translation
21 November 2018 — lascanopy: new forestry metric Vertical Complexity Index (VCI) available via ‚-vci 0.5 1.0 2.0‘
19 November 2018 — all LAStools: support for „Hotine Oblique Mercator“ (needed for Malaysia, Alaska Zone 1, Madagascar)
18 November 2018 — lascanopy64: fixed division by zero bug in ‚bincentiles‘, ‚kurtosis, and ’skewness‘ of 64 bit version
12 November 2018 — las2las: new option ‚-save_vlrs‘ and ‚-load_vlrs‘ to copy VLRs from one LAS file to (a set of) another
10 November 2018 — lasground, lasground_new: fixed rare memory bug for spikes along egde of initial ground estimate
7 November 2018 — LASzip DLL: assure that legacy and extended flags are identical to prevent corrupt LAZ files
6 November 2018 — all LAStools: fix for ‚-cpu64‘ and ‚-cores 2‘ on single input files that started 32 bit exes
5 November 2018 — lasthin: bug fix when using option ‚-central‘ for ‚-step 200‘ sizes larger than 50
4 November 2018 — lasview: new option ‚-point_size 5‘ to render fatter points on start-up
1 November 2018 — all LAStools: parse more NAD83 GCS representations requested by Kirk Waters from NOAA
31 October 2018 — las2las: fix for bug with ‚-set_ogc_wkt‘ introduced with the change on 8 May 2018
30 September 2018 — lasliberate and lasliberateGUI: now also liberating new LAS 1.4 point types 6 to 10 to LAS and LAZ
29 September 2018 — lasvalidate: bug fix for LAS 1.4 point type 7 containing RGB colors
29 September 2018 — lasinfo: new options ‚-supress_z‘, ‚-supress_flags‘, ‚-supress_rgb‘, ‚-supress_point_source‘, …
28 September 2018 — las2las: new option ‚-move_evlrs_to_vlrs‘
28 September 2018 — laszip DLL: tiny bug fix for writing extended classifications via DLL and updated examples
27 September 2018 — lasgrid, las2dem, lascanopy: further improved handling of 16 bit integer BIL
17 September 2018 — LASlib: no more support for deprecated LASattributes (aka „extra bytes“) with dimensions 2 or 3
16 September 2018 — LASlib: new ‚-map_user_data map.txt‘ and ‚-map_intensity map.txt‘ and ‚-map_point_source map.txt‘
15 September 2018 — lasgrid, las2dem, lascanopy: auto switch nodata value from -9999 to 0 for 16 bit integer BIL
14 September 2018 — lasinfo: new option ‚-nw‘ or ‚-no_warnings‘ to suppress output of WARNING messages
13 September 2018 — las2las: new options ’set_attribute_scale 0 0.1′ and ‚-set_attribute_offset 1 10.0‘
10 September 2018 — all LAStools: command-line option ‚-cpu64‘ invokes 64 bit tool instead where available.
9 September 2018 — LASlib, all LAStools: tools can now also read points from PLY format (binary and ASCII).
7 September 2018 — NEW: many 64 bit command-line tools (without GUI). limited raster formats: BIL, ASC, XYZ, FLT, DTM, LAZ
7 September 2018 — laspublish: dropping support for Potree 1.4
31 August 2018 — lasheight: fixed *serious* run-time performance bug introduced in version 180731 and 180812. update!!!
12 August 2018 — laspublish: fix in bug on chrome for Potree 1.4. by default Potree 1.6 is used (old one with ‚-potree14‘)
10 August 2018 — LASlib, all LAStools: fix bug in LAStransform ‚change_classification_from_to 19 2‘ reported by Kirk
6 August 2018 — lasview, lascontrol: ‚-cp control_points.txt‘ file can also be parsed when separated by semicolons
31 July 2018 — lasheight: now ‚-class 2 8 75 76‘ option can also include extended classifications as ground points
30 July 2018 — lasclassify: for height-normalized data you can use ‚-height_in_z‘ instead of the user data values
30 July 2018 — LASlib, all LAStools: bug fix in selective decompression of „extra_bytes“ for point types 6 and higher
27 July 2018 — lasduplicate: added option ‚-highest_z‘ which was a logical (but missing) complement to ‚-lowest_z‘
22 July 2018 — LASib, txt2las: fixed LASreader_txt bug for parsing ‚c’lassfication to ‚-set_version 1.4‘ and ‚-set_point_type 6‘
10 July 2018 — LASlib: when reading from an istream user must manually set seek-ability (hard to determine)
8 July 2018 — LASlib, all LAStools: ‚-classify_attribute_below_as‘, ‚-classify_attribute_above_as‘, ‚-classify_attribute_between_as‘
6 July 2018 — lasground, lasnoise: testing options ‚-ignore_withheld‘ and ‚-ignore_overlap‘ (but not with ‚-olay‘)
20 June 2018 — LASlib, all LAStools: fix for ‚-set_classification 0‘ transform for new LAS 1.4 point types 6-10
20 June 2018 — lascontrol: generate report even if input point data does not cover any of the control points
17 June 2018 — LASlib, all LAStools: fix in flag copy from old LAS 1.3 (0-5) to new LAS 1.4 point types (6-10)
16 June 2018 — txt2las: new option ‚-set_global_encoding 1‘ because this bit is simply so often set wrong
12 June 2018 — las2las: new option ‚-set_global_encoding_gps_bit 1‘ because this bit is simply so often set wrong
11 June 2018 — lasview: new option ‚-points_all‘ loads all points from input (especially useful for manual editing)
10 June 2018 — LASlib, all LAStools: fix for additional attributes in „extra bytes“ combined with ‚-buffered 15‘
28 May 2018 — lasclip: remove leading spaces from ‚-split 2‘ file name from DBF file, use LAZ if format not specified
20 May 2018 — LASlib, all LAStools: bug fix when trying to set CRS via ‚-gda94 -utm 56south‘ in command line
19 May 2018 — lasnoise, lasheight, & others: bug fix when on-the-fly filtering on additional attributes
12 May 2018 — las2las, LASlib: new filters ‚-drop_RGB_red 5000 6000‘ and ‚-drop_RGB_green 200 10000‘
8 May 2018 — las2las: handling of OGC WKT and more clear „setting“ versus „reprojecting“ the CRS
29 April 2018 — all LAStools GUIs: allow to overlay a PNG assuming it has a world-coordinate PGW file
23 April 2018 — lasview: for manual editing also „egister changes“ avaulable via pop-up menu
22 April 2018 — lasview: also display ‚user data‘ attribute for points picked with ‚i‘
21 April 2018 — lasgrid, las2dem, lascanopy: fix bug of removed filters/transforms when gridding/rasterizing ‚-attribute …‘
21 April 2018 — lastrack: ‚-store_height_as_extra_bytes‘, ‚-store_yz_range_as_extra_bytes‘, ‚-store_xyz_range_as_extra_bytes‘
20 April 2018 — lastrack: new ‚-classify_xyz_range_between 50 1000 7‘ uses 3D distance from point to track
19 April 2018 — las2las: ‚remove_all_evlrs‘ and ‚-remove_all_evlr 0‘ and ‚-remove_evlrs_from_to 1 3‘
17 April 2018 — lasinfo: better formatted output when bins of histograms have decimal digitls
11 April 2018 — lasgrid: fix issue for huge rasters (using temp file storage) running on multiple cores
9 April 2018 — lasclip, las2las, lasheight, lasnoise: remove empty files unless ‚-dont_remove_empty_files‘
7 April 2018 — lasview: also display ‚point source ID‘ (aka flightline number) for points picked with ‚i‘
6 April 2018 — las2iso and lasboundary: adding ‚-odbf‘ to the command line produces a ‚z‘ attribute
3 April 2018 — lascolor: ability to process entire folders of LAS/LAZ and corresponding TIF files
2 April 2018 — blast2dem, blast2iso: improved generation of *.prj files
30 March 2018 — laspublish: support recently released version 1.6 of Potree via command switch ‚-potree16‘
30 March 2018 — blast2dem, blast2iso: support for input LASlayers ‚-ilay‘, ‚-ilaydir e:\layers‘, and ‚-ilay 2‘
29 March 2018 — LASlib, all LAStools: fix for „missing points“ when writing just decompressed „native“ LAS 1.4
28 March 2018 — lasinfo: also report TOWGS84 Helmert transform stored in GeoTIFF key 2062 (GeogTOWGS84GeoKey)
27 March 2018 — lasground, lasnoise, lasheight, lasthin, … : also allow ‚-ignore_class 0‘ for classification 0
23 March 2018 — LASlib, all LAStools: more checks for correct arguments for LAStransforms
25 March 2018 — NEW: lasvoxel computes a number of different summarizing 3D voxelizations for high-density LiDAR
23 March 2018 — lasvalidate: fixing bug introduced in LAStools release version 180322
22 March 2018 — lascanopy, lasgrid, las2dem: fix for bug in writing TIF rasters that appeared in version 180303
21 March 2018 — lasheight (and others): also allow ‚-ignore_class 2 5 0‘ to include classification 0
20 March 2018 — LASlib: new ‚-transform_helmert 598.1,73.7,418.2,0.202,0.045,-2.455,6.7‘ for ECEF coordinates
15 March 2018 — lasvalidate: validation of files compressed with „native LAS 1.4 extension“ of LASzip possible
3 March 2018 — LASlib, all LAStools: „allow ‚-odir‘ to just specify a drive such as ‚-odir f:‘ of ‚-odir f:\‘
2 March 2018 — lasboundary, lascanopy: use file name from output rollout of the GUI for meaningful modes
28 February 2018 — LASlib, all LAStools: now ‚-set_RGB_of_class‘ also works for classifications > 31
24 February 2018 — las2las: automatically move eligible EVLRs to VLR section when downgrading LAS 1.4
23 February 2018 — las2las: bug fix when downgrading LAS 1.4 with new point types via ‚-set_version 1.3‘
14 February 2018 — lasview: expose possibility to visualize workings of „spike-free“ algorithm via the GUI
14 February 2018 — lasgrid, lascanopy, las2dem: now CSV files represent „no_data“ with „,,“ instead of „,-,“
9 February 2018 — LASzip: minor version increment to 3.2 as POINT14_v4 fixes context inefficiency bug
9 February 2018 — lassort: support for applying LASlayers with ‚-ilay‘ on read
9 February 2018 — many LAStools: support stdin/stdout piping for multi-pass tools like lasground, lasnoise, …
31 January 2018 — many LAStools: improved command-line parsing for select tools and select argument combinations
31 January 2018 — las2las: fix proper functioning of ‚-set_ogc_wkt‘ for certain command line argument combinations
30 January 2018 — txt2las and LASlib: use ‚I‘ to parse NIR channel and ‚J‘ to parse hexadecimal intensities
3 January 2018 — lasgrid, las2dem, lascanopy: actually turn on compression when writing rasters as LAZ files
28 December 2017 — all LAStools: prepare to correct ‚context switch‘ bug reported by Wanwannodao on some future date
25 December 2017 — all LAStools: fixed half-pixel shift in on-the-fly-reading of BIL without BLW (ulxmap/ulymap are used)
25 December 2017 — lascanopy: support appendix in output file names ‚-odix _blub_blub‘ in addition to abbreviated metrics
16 December 2017 — lasgrid: fixed missing line-return bug when outputting rasters as CSV files
15 December 2017 — all LAStools: support for auto flightline assignment ‚-faf‘ and ‚-faf 101‘ even with ‚-cores 4‘
14 December 2017 — all LAStools: keep multiple flightlines with ‚-keep_point_source 2 3 4‘
10 December 2017 — all LAStools: new ‚-keep_random_fraction 0.2 4711‘ allows seeding the random generator with 4711
1 December 2017 — LASlib: support additional point attributes (aka extra bytes) during ‚-merged‘ operations
30 November 2017 — las2las: set OGC WKT with ‚-set_ogc_wkt „PROJCS[\“WGS84\“,GEOGCS[\“GCS_ …“. note the ‚\‘
24 November 2017 — lascanopy: use option ‚-height_in_attribute 0‘ if height is stored as additional attribute
22 November 2017 — las2txt: parse extra bytes attributes with indices larger than 9 by bracketing (12) them
21 November 2017 — txt2las: allow adding up to 32 (from 10) additional extra bytes attributes
21 November 2017 — lasclip: use output file name from DBF attribute of SHP file with ‚-split Plot_Name‘
17 November 2017 — LASlib: new transform ‚-copy_intensity_into_NIR‘ (makes only sense for point type 8)
7 November 2017 — lasthin: new ‚-gps_time 0.01‘ thins per 0.01 sec intervals instead of per spatial cells
30 October 2017 — las2las: new option ‚-vertical_evrf2007‘ for European Vertical Reference Frame 2007
26 October 2017 — lasthin: optional minimum number of points needed for option ‚-percentile 40 10‘
15 October 2017 — lasclassify: use height above ground from additional attribute with ‚-height_in_attribute 0‘
14 October 2017 — lasinfo: new WARNING when bounding box in LAS header miss-matches coordinate resolution
10 October 2017 — las2las: allow both piping input (‚-stdin‘) *and* output (‚-stdout‘) if no filter or coordinate change
14 September 2017 — las2dem: fixed bug in elevation rasters when processing native compressed LAS 1.4
5 September 2017 — lasthin: new option keeps only points closest to a certain elevation ‚-percentile 40‘
3 September 2017 — lasgrid, las2dem, lasoverlap: option ‚-no_kml‘ avoids auto-creation of KML wrapper
28 August 2017 — selected LAStools: fix issues when outputting LAS 1.4 as LAZ with „native LAS 1.4 extension“
27 August 2017 — lassort, lasoptimize: fixed bug when sorting new LAS 1.4 point types by return number
26 August 2017 — lastrack: bug fix in new ‚-classify_xy_range_and_height_between‘ functionality
18 August 2017 — NEW: lasoptimize prepares files for maximal compression and efficient spatial indexing
18 August 2017 — all LAStools: support for Oblique Stereographic projection added for Volker Rail
18 August 2017 — lastrack: new ‚-classify_xy_range_between‘ and ‚classify_xy_range_and_height_between‘
17 August 2017 — LASlib: switch on „native LAS 1.4 extension“. turns off with ‚-no_native‘.
15 August 2017 — lassort: fixed bug when sorting new LAS 1.4 point types by flight line (aka point source ID)
7 August 2017 — lasclassify, lasnoise, lasthin: amount of console output controlled with ‚-verbose‘ or ‚-quiet‘
5 August 2017 — lassort, lasthin, lasduplicate: support ‚-remain_buffered‘ after ‚-buffered 25‘ to keep buffer
5 August 2017 — LASlib: unless ‚-buffered 25‘ just created buffers always ‚-remain_buffered‘
5 August 2017 — LASlib: removed option ‚-unbuffered‘ because it makes too many assumptions
26 July 2017 — las2tin: now supports DXF format as output option for the generated Delaunay TIN
18 July 2017 — LASzip + LASlib: bug fix for spatially-indexed reading from native compressed LAS 1.4 files
14 July 2017 — las2las: fixed missing ‚comma‘ in compound (COMPD_CS) OGC WKT string
13 July 2017 — lasdiff: added missing checks for LAS 1.4 EVLR size and payloads
10 July 2017 — lasground, lasground_new, lasheight: amount of console output controlled with ‚-verbose‘ or ‚-quiet‘
5 July 2017 — lasreturn: option ‚-repair_number_of_returns‘ now also works for new LAS 1.4 point types 6 to 10
28 June 2017 — lasgrid, las2dem, blast2dem, lascanopy: fixed quantization bug in X/Y coords for LAZ grid output
28 June 2017 — lasgrid, las2dem, blast2dem, lascanopy: no more bug for unlicensed writing (black-diagonal)
25 June 2017 — lascolor: fix inability to read a certain type of tiled 4-band TIF images
24 June 2017 — lasgrid, las2dem, lascanopy: correct *unsigned* output for 16 bit ‚-intensity‘ for ‚-no_data 0‘
24 June 2017 — LASlib: corrected on-the-fly conversion from BIL rasters to point clouds for unsigned integers
23 June 2017 — lasnoise: fixed that ‚-ignore_class 8‘ did not ignore points during isolated computation
22 June 2017 — laslayers: added ability to run on multiple ‚-cores 7‘
18 June 2017 — lasboundary + all GUIs: fixed „small polygons missing bug“ in ‚-use_lax‘ mode and in GUI previews
8 June 2017 — lasclassify: IMPORTANT BUG FIX (but only if you downloaded version 170528 where it was introduced)
28 May 2017 — LASzip DLL: support for „selective decompression“ of compressed LAS 1.4 points added into DLL API
27 May 2017 — lascontrol: let ‚-odir quality‘ specify where error report ‚-cp_out cp_check.csv‘ will be stored
21 May 2017 — lasgrid: fixed BIL output for the ‚-point_density‘ option. now ‚-density‘ means ‚-point_density‘.
13 May 2017 — all (license-restricted) LAStools: option ‚-fail‘ prevents running when license is missing/expired
11 May 2017 — LASlib: new transforms ‚-copy_classification_into_user_data‘ and ‚-copy_attribute_into_user_data 1‘
10 May 2017 — las2dem, blast2dem, lasgrid: fix rounding error for ususual or very small step sizes (0.2 or less)
5 May 2017 — lasground + lasground_new: user data change due to ‚-compute_height‘ makes it into LASlayers output
28 April 2017 — lasboundary: allow creation of KML and SHP ‚-overview‘ files for multiple LAS/LAZ files
26 April 2017 — lasboundary: also adding option to add ‚-labels‘ to SHP output that populate the DBF attibutes
25 April 2017 — LASzip DLL: „native LAS 1.4 extension“ in LASzip DLL via ‚laszip_request_native_extension()‘
24 April 2017 — lastile: also ‚-remove_buffer‘ for buffers generated by on-the-fly buffering (= ‚-buffered 50‘)
22 April 2017 — lasground and lasground_new: fix of bb extend for ‚-buffered 20‘ and ‚-remain_buffered‘ combo
20 April 2017 — LASlib: new option ‚-unbuffered‘ for lasreadopener removes buffers from on-the-fly buffering
16 April 2017 — txt2las: allow requesting a particular point type with new option ‚-set_point_type 6‘
14 April 2017 — LASlib: enable „adaptive chunking“ for „native LAS 1.4 extension“ for compressing new LAS 1.4
8 April 2017 — LASlib: new check to detect corrupt LAZ files generated by libLAS for files with „Extra Bytes“
30 March 2017 — LASlib: alpha-release of „native LAS 1.4 extension“ for LASzip compression of new LAS 1.4 points
29 March 2017 — LASlib: enable „native LAS 1.4 extension“ for LASzip via ‚-native‘
27 March 2017 — lascolor: support NIR, 4 band RGBNIR images as well as three band grey and single band copying
26 March 2017 — lascanopy: fixed bug in raster mode when attempting to use ‚-use_tile_bb‘ or ‚-use_orig_bb‘
22 March 2017 — las2shp: fixed bug accidentally introduced in version 170203
22 March 2017 — lassort: fixed *serious* bug accidentally introduced in version 170313
22 March 2017 — LASlib: new filter ‚-thin_points_with_time 0.000001‘ vs ‚-thin_pulses_with_time 0.001‘
12 March 2017 — LASlib: new filters ‚-drop_every_nth‘ ‚-drop_number_of_returns‘ ‚-keep_number_of_returns‘
11 March 2017 — lassort: option to first sort by ‚-scanner_channel‘ and then by ‚-return_number‘
11 March 2017 — lassort: option to first sort by ‚-point_source‘ and then by ‚-scanner_channel‘
10 March 2017 — LAStools: also read more generic LCC, TM, and AEAC projections from OGC WKT strings
10 March 2017 — lasboundary: add download links via ‚-base_url http://lidar.com/data‘ to KML output
9 March 2017 — lassort: fixed serious bug only happening for new LAS 1.4 point types 6 through 10
8 March 2017 — LASlib: new transform ‚-copy_user_data_into_scanner_channel‘ fixes bad LAS 1.4 files
6 March 2017 — LASlib: new transform ‚-copy_NIR_into_intensity‘ for point types 8 and 10
2 February 2017 — lascolor: support TIFF with more than 3 bands (for now simply ignore the additional bands)
2 February 2017 — lasground, lasground_new: small bug fix for ‚-replace_z‘ with non-zero ‚z_offset‘ in LAS header
2 February 2017 — LAStools: read (subset of) projections from OGC WKT strings if coded via AUTHORITY EPSG code
1 February 2017 — LASlib: better support for OGC WKT strings in VLRs or EVLRs when reading
1 February 2017 — LASlib: new transform ‚-copy_intensity_into_z‘ for use in lasgrid or lascanopy
30 January 2017 — las2shp: ability to output also ‚x‘ and ‚y‘ to corresponding DBF file
20 January 2017 — las2shp: ability to output other LAS attributes to corresponding DBF file
16 January 2017 — LASlib: support for NAVD88 Geoids when generating OGC WKT string via ‚-vertical_navd88_geoid12b‘
11 January 2017 — txt2las: ‚k’/’h’/’o‘ for eypoint/witheld/verlap flag and ‚l‘ for scanner channe
10 January 2017 — las2txt: parse option ‚h’/’o‘ for witheld/verlap flag and ‚l‘ for scanner channe
10 January 2017 — LASlib: new ‚-merge_scanner_channel_into_point_source‘ ‚-split_scanner_channel_from_point_source‘
10 January 2017 — LASlib: new transform ‚-copy_scanner_channel_into_point_source‘
10 January 2017 — LASlib: new filters ‚-keep_scanner_channel 2‘ and ‚-drop_scanner_channel 1‘
8 January 2017 — lasdiff: better difference reporting when checking „extra bytes“
8 January 2017 — lasinfo: more complete output for GeoTIFF tags 2048, 2050, and
6 January 2017 — all LAStools: rudimentary support for Lambert Conic Conformal (1SP) by ignoring scale factor
6 January 2017 — all LAStools: more EPSG codes due to updates ‚pcs.csv‘ and ‚gcs.csv‘ files
6 January 2017 — lasboundary: new option to add ‚-labels‘ to KML output
5 January 2017 — lasplanes: fixed tiny bug that occured when output to PEF file with ‚-o planes.pef‘ was requested
4 January 2017 — all LAStools: added DHHN92 „Deutsches Haupthoehennetz 1992“ for OpenNRW LiDAR (-vertical_dhhn92)
2 January 2017 — all LAStools: more support for CRS with „user defined“ AlbersEqualArea projection in GeoTIFF tags
2 January 2017 — lasview: better handling of intensity distributions containing only a few bright points
2 January 2017 — lasview: draw measurement line between points picked with ‚i‘ when or is on
10 December 2016 — blast2dem: also support rasterization of extra bytes via ‚-attribute 0‘ or ‚-attribute 1‘
28 November 2016 — all LAStools: new filters ‚-keep_second_last‘ and ‚-drop_second_last‘ return
26 November 2016 — lascopy: added ability to also copy z, intensity, and RGB from source to target
23 November 2016 — lascopy: fixed bug in copying classifications for returns part of a multi-return
14 November 2016 — blast2dem: output *.prj files for ASC/BIL/FLT/XYZ
14 November 2016 — NEW: lascopy copies classifications from source to target based on GPS time + return number
14 November 2016 — blast2dem: grids can be output as compressed LAZ points
14 November 2016 — blast2dem, blast2iso: support for entire set of CRS like the remaining LAStools
13 November 2016 — all LAStools: early FALSE when setting output directory via ‚-odir __‘ will not succeed
9 November 2016 — all LAStools: support CRS via „user defined“ AlbersEqualArea projection in GeoTIFF tags
8 November 2016 — lascanopy, lasgrid, las2dem fix memory bug introduced with PRJ support in 160721
7 November 2016 — lasclip: fix issue when option ‚-donut‘ is used and polygons have repeated vertices
28 October 2016 — lasreturn: ‚-classify_as 12‘ or ‚-flag_as_synthetic‘ mark returns from incomplete pulses
27 October 2016 — lasreturn: new option ‚-check_return_numbering‘ prints missing return histograms
26 October 2016 — lasgrid: new option ‚-return_type -highest -false‘ to visualize missing (cloud) returns
23 October 2016 — las2las: OGC WKT string stores COMPD_CS for projection + vertical
22 October 2016 — las2las: new ‚-set_ogc_wkt_in_elvr‘ store to EVLR instead of VLR
22 October 2016 — LASlib: ability to not only read but also write EVLR
16 October 2016 — laslayers: new option ‚-add‘ to add filters and transforms as LASlayers to LAY files
16 October 2016 — LASlib, las2las: new filters ‚-keep_attribute_between‘ and ‚-drop_attribute_between‘
15 October 2016 — las2dem, las2iso, las2tin: no more endless loop when ‚-lakes‘ or ‚-creeks‘ input is emtpy
30 September 2016 — LASlib, las2las: new filter -keep_NDVI_blue_is_NIR -0.1 0.5 (computed from R of RGB and B = NIR)
30 September 2016 — LASlib, las2las: new filter -keep_NDVI_green_is_NIR 0.4 0.8 (computed from R of RGB and G = NIR)
30 September 2016 — LASlib, las2las: new filter -keep_NDVI_intensity_is_NIR -0.2 0.2 (computed from R of RGB and intensity = NIR)
30 September 2016 — LASlib, las2las: new filter -keep_NDVI_from_CIR 0.4 0.8 (computed from RGB = CIR)
30 September 2016 — LASlib, las2las: new filter -keep_NDVI 0.2 0.7 (computed from R+NIR for point type 8)
29 September 2016 — LASlib, las2las: new filters -keep_extended_scanner_channel 1 and -drop_extended_scanner_channel 0
25 September 2016 — lasgrid: better ‚-false‘ and ‚-gray‘ colors when used with option ‚-classification‘
21 September 2016 — LASlib, las2las: new filters ‚-drop_attribute_above‘ and ‚-keep_attribute_below‘
18 September 2016 — LASlib, lasinfo: improved reporting of (extended & legacy) classification histograms
16 September 2016 — laszip: corrected „LAS 1.4 compatibility mode“ for case that legacy counters are zero
10 September 2016 — tin2dem: new option ‚-kill 3.0‘ removes triangles with xy-edge length of 3.0 or more
8 September 2016 — blast2dem: correct handling of 16 bit RGB color ranges in ‚-rgb‘ mode
7 September 2016 — lassort: fixed GPS time, point source ID, and return numbers sort for LAS 1.4
15 August 2016 — lascanopy: fix small bug in case input are ASC/BIL rasters instead of LAS/LAZ points
30 July 2016 — las2las: correct naming of stateplanes when combining ‚-sp83 CA_I‘ with ’set_ogc_wkt‘
29 July 2016 — lasgrid, las2dem, lascanopy, lasoverlap: grids can be output as compressed LAZ points
28 July 2016 — lasclip: new option ‚-donuts‘ to handle islands and lakes (based on winding order)
27 July 2016 — lascontrol: new options ‚-cp_ignore_diff_above 1.5‘ ‚-cp_ignore_diff_below -0.5‘
26 July 2016 — lascanopy: ability to use ‚-names‘ in ‚-loc‘ and ‚-lor‘ lists of circ/rect plots
21 July 2016 — las2iso, lasboundary, las2shp, las2tin: output *.prj files for SHP file output
19 July 2016 — las2las: fixed bug with ‚-target_survey_feet‘ not always working with ‚-cores 8‘
18 July 2016 — lasgrid, las2dem, lascanopy, lasoverlap: output *.prj files for ASC/BIL/FLT/XYZ
13 July 2016 — las2las: added AUTHORITY EPSG code 1116 associated with NAD83 2011 for OGC WKT output
9 July 2016 — LAStools: added Norwegian vertical datums -vertical_nn2000 -vertical_nn54
9 July 2016 — lasground, lasground_new, lasheight, lasnoise: fixed bug of version 160703 when using ‚-buffered 20‘
2 July 2016 — LAStools: add datums -vertical_navd88 -vertical_cgvd2013 -vertical_cgvd28 -vertical_dvr90
2 July 2016 — lasheight: added the options „store as extra bytes“ and „none“ to the GUI
28 June 2016 — LASlib: new transforms ‚-set_extended_return_number 11‘ and ‚-set_extended_number_of_returns 13‘
28 June 2016 — LASlib: new filters ‚-keep_first_of_many‘ and ‚-keep_last_of_many‘
24 June 2016 — LASlib: the ‚reserved‘ field of newly created VLRs is set to zero instead of 0xAABB
8 June 2016 — LASlib: ASCII text input can have ‚;‘ as a seperator (e.g. 500936.36;104300.50;711.73)
6 June 2016 — lasthin: also GUI shows options for adaptive thinning (e.g. keypoints) and contour thinning
28 May 2016 — QGIS 2.14.1: major update to LAStools and LAStools Production toolboxes for QGIS 2.14.1
20 May 2016 — las2las: ‚-move_ancient_to_extended_classification‘ 5 bits + flags = 8 bit classifications
15 May 2016 — LASlib: ‚-translate_raw_xy_at_random 2 2‘ perturbes X/Y for faster Delaunay of points on grid
12 May 2016 — lasgrid, las2dem, lascanopy: appropiate resolution for X/Y coordinates for XYZ output
29 April 2016 — LASlib: don’t EXIT but produce WARNINGs when rescale / reoffset overflows integers
20 April 2016 — LASlib: new transforms, ‚-switch_R_G‘, ‚-switch_R_B‘ and ‚-set_RGB 32768 16384 0‘
14 April 2016 — lasclassify: added missing ‚-ignore_class‘ selection options to the GUI
14 April 2016 — lasground: fixed rare crash when classifying flightlines separately with ‚-by_flightline‘
10 April 2016 — LASlib: exit with ERROR when ‚-rescale 0.001 …‘ or ‚-reoffset …‘ overflow integer
9 April 2016 — lasinfo: new option ‚-set_file_source_ID_from_point_source_ID‘
8 April 2016 — lassort: sort first by GPS time then by return number ‚-gps_time -return_number‘
28 March 2016 — laspublish: fixed bug for download (files were copied / moved to wrong location)
28 March 2016 — lasthin: added ‚-adaptive 0.2‘ for adaptive thinning (e.g. keypoints)
20 March 2016 — lasthin: added ‚-contours 2.0‘ to farthest from contour for each cell
19 March 2016 — BLAST: new ‚-temp_files h:\temp‘ specifies where to temp store ‚file_list.12345.txt‘
14 March 2016 — lasthin: fixed bug in ‚-subcircle 0.2‘ that sometimes duplicated points
13 March 2016 — LASlayers: fixed bug for ‚-ignore_class 7‘ when classifying to same class 7
28 February 2016 — LASlayers: support for ‚-filtered_transform‘ in a transform layer
28 February 2016 — LASlib: new filters ‚-drop_extended_class 42‘ and ‚-drop_extended_class 219‘
28 February 2016 — laspublish: 2D download maps for ‚Hotine Oblique Mercator‘ and ‚Oblique Stereoscopic‘
19 February 2016 — LASlayers: bug fix for delete layers in combination with filters or transform layers
18 February 2016 — lasinfo: more useful ‚-set_number_of_variable_length_records‘ and friends
16 February 2016 — lasclip & lascanopy: avoid crash when SHP file contains completely emtpy records
7 February 2016 — las2dem and blast2dem: small bug fix for additional ‚-scale 2.1‘ argument
7 February 2016 — LAStools: support for EPSG code 4326
25 January 2016 — LASlib: brand-new opportunity to do a ‚-filtered_transform‘
24 January 2016 — txt2las: better support for storing attributes in „Extra Bytes with ‚-add_attribute‘
24 January 2016 — NEW: laspublish to visualize and download LiDAR in a Web browser with Potree
19 January 2016 — LASlib: new transform to ‚-scale_rgb 1.5 2.1 1.8‘
19 January 2015 — NEW: lasreturn repairs ’number of returns‘. geometrically analyzes multi-returns
10 January 2016 — all GUIs: edit „.\LAStools\bin\serf\geo\my_epsg.csv“ to add your own EPSG codes
9 January 2016 — LAStools: also parse ‚gcs.csv‘ file whenever an unknown datum is encountered
6 January 2016 — lasgrid, las2dem: can raster ‚-attribute [0|1|2…]‘ stored as „Extra Bytes“
4 January 2016 — lasground: option ‚-by_flightline‘ allows to classify flightlines separately
2 January 2016 — LAStools: parse ‚pcs.csv‘ file whenever an unknown EPSG code is encountered
1 January 2016 — las2las & txt2las: create OGC WKT string for CRS for full LAS 1.4 compliance
1 January 2016 — all GUIs: can create a directory when browsing for one via pop-up window
20 December 2015 — LAStools: new EPSG codes 2945(MTM3) to 2952 (MTM10) and 3753/3754 (Ohio)
18 December 2015 — lastile: attempted fix of „excessive empty tile“ problem in multi-core mode
6 December 2015 — lasboundary: new ‚-use_tile_bb‘ and ‚-largest_only‘ (only with ‚-use_lax‘)
6 December 2015 — lasoverlap: new ‚-use_tile_bb‘ to easier process buffered tiles
9 October 2015 — lasground, lasclassify: now ‚-feet‘ and ‚-elevation_feet‘ works with ‚-cores 2‘
9 October 2015 — lasclip: fixed bug introduced for ‚-split‘ option in version 150924
25 September 2015 — LASlib: disabling auto-upgrade to LAS 1.4 introduced in 150924. now it just warns.
24 September 2015 — prototype implementing „uprising“ of the n>1 returns against 1st return supremacy
24 September 2015 — lasclip: new options ‚-ignore_first_of_many‘, ‚-ignore_intermediate‘, ‚-ignore_single‘ …
24 September 2015 — LASlib: upgrade to LAS 1.4 when ‚-merged’ing more points than older LAS allows
24 September 2015 — LASlib: consistant zeroing of legacy counters for new LAS 1.4 point types
24 September 2015 — LASzip: better DLL supports streaming and „extra bytes“ in „compatibility mode“
24 September 2015 — lasclip: fixed bug for ‚-split‘ that was introduced in version 150828
24 September 2015 — las2tin: new option ‚-histo edge_length 0.1‘ or ‚-histo edge_length_max 0.1‘
28 August 2015 — lasinfo: option ‚-repair_counters‘ corrected for 64 bit counters of LAS 1.4 files
28 August 2015 — lasthin: added option ‚-central‘ to keep the most central point of each cell
21 August 2015 — lascontrol: adjust z coodinate using mean error with new LAS/LAZ or LAY files
21 August 2015 — lasgrid: new ‚-invert_ramp‘ for ‚-false‘ and ‚-gray‘ colorings
20 August 2015 — LASlayers: using ‚-olay‘ with a filter or transform adds them to the LAY file
19 August 2015 — lasground: new ‚-bulge 1.0‘ offers more control for what is added to the ground
19 August 2015 — lastile: new ‚-flag_as_withheld‘ or ‚-flag_as_synthetic‘ for buffer points
19 August 2015 — lastile: multi-core tiling to be used with spatially indexed input
18 August 2015 — lasdiff: fixed report for truncated files (fewer or more points)
1 August 2015 — LASlib: moving LASpoint, LASquantizer, and LASattributer to LASzip for „compatibility“
31 July 2015 — LASzip: new DLL (incompatible with prior version) supports „LAS 1.4 compatibility mode“
25 July 2015 — LAStools: EPSG codes (http://groups.google.com/d/topic/lastools/9fUZaLKPReg/discussion)
30 June 2015 — las2tin: new option ‚-histo_edge_length 0.1‘ and ‚-histo_edge_length_only 0.1‘
30 June 2015 — lasclassify: little bug fix after introduction of ‚-keep_overlap‘ filter for LAS 1.4
6 June 2015 — LASlib: added filters ‚-keep_overlap‘ and ‚-drop_overlap‘ for new LAS 1.4 point types
6 June 2015 — lasoverage: added option ‚-flag_as_overlap‘ for new LAS 1.4 point types 6 to 10
26 May 2015 — BLAST extension: updated to support recent additions for new LAS 1.4 point types
26 May 2015 — laszip: small bug fix for combination of ‚-cores n‘ with ‚-io_ibuffer xxxxxx‘
26 May 2015 — all LAStools: error message for on-the-fly compression of new LAS 1.4 point types
26 May 2015 — lastile: small fix sets file source ID to 0 when tiling many flightlines into tiles
26 May 2015 — GUIs: fixed execution path issue when starting tool via „Windows Explorer search bar“
20 May 2015 — lassplit: fixed serious bug introduced in version 150516
16 May 2015 — all LAStools: projections Albers Equal Area Conic and Earth Centered Earth Fixed
15 May 2015 — lasclip: added ‚-flag_as_withheld‘ as an alternative to removing or reclassifying
15 May 2015 — lasoverage: added option ‚-recover_flightlines‘ for missing point_source_IDs
14 May 2015 — lasinfo: added a new option ‚-set_GUID F794F8A4-A23E-421E-A134-ACF7754E1C54‘
10 May 2015 — lasoverlap: new ‚-min_diff 0.2‘ with ‚-max_diff 0.5‘ for more focused error coloring
3 May 2015 — las2las: improved up-conversion to LAS 1.4 via ‚-set_version 1.4 -point_type 6‘
24 April 2015 — las2txt: added ‚k’eypoint and ‚o’verlap flags as new parse string options
24 April 2015 — lasoverage: added ‚flag_as_overlap‘ for the new flag in the LAS 1.4 point types
4 April 2015 — LASzip DLL: added functions for creation and exploitation of spatial index files
3 April 2015 — LASlib: moved spatial indexing (LAX file generation) from LASlib to LASzip
30 March 2015 — NEW: toolbox for ERDAS IMAGINE 2014
30 March 2015 — laszip: compresses and decompresses LAS 1.4 files via new „compatibility mode“
30 March 2015 — GUIs: delete multiple files: pick a (red) box covering them and press
30 March 2015 — las2txt: correct ASCII output for extended attributes of new LAS 1.4 point types
04 March 2015 — lasduplicate: new option to remove exact duplicates *and* ‚-nearby 0.005‘ points
04 March 2015 — GUIs: simultaneous use of ‚-lof‘ multi-file processing with unique’file_name.xxx.txt‘
2 February 2015 — IMPORTANT: lasgrid, lasground, …: fixed little bug introduced in version 150131
31 January 2015 — NEW: lasground_new: alternative to lasground for mix of mountains and buildings
31 January 2015 — lastile: ‚-remove_buffer‘ and ‚-refine_tiles‘ can now run on ‚-cores 4‘ or more
31 January 2015 — lasheight: bug fix for ground points stored in multiple ‚-classification 2 8‘
31 January 2015 — las2las: better handling of ESPG codes in batch mode on ‚-cores 8‘ or more
31 January 2015 — all GUIs: fixed little bug introduced in version 141218
31 January 2015 — LASlib: new transforms for extended attributes of LAS 1.4 point types 6 – 10
18 December 2014 — lascanopy: added option ‚-all‘ and fixed scaling bug for ‚-int_d 0 64 128‘
18 December 2014 — LASlib: different scale_factors/offsets are now possible with ‚-buffered 25‘
18 December 2014 — lasgrid: fixed option ‚-rgb‘ and added new area-normalized ‚-point_density‘
18 December 2014 — laszip: use ‚-check‘ to find truncations and/or bit-errors in LAZ files
16 November 2014 — LASlib: improved detection & reporting of file truncation and/or LAZ bit-errors
16 November 2014 — lascanopy: several minor bug fixes and significantly improved GUI menu options
20 October 2014 — las2iso: fixed miss-spelled ‚-set_file_source_ID‘ to ‚-set_file_source_id‘
20 October 2014 — blast2iso: added missing ‚-kill 600‘ parameter
20 October 2014 — las2dem, las2iso, las2tin, blast2dem, blast2iso: auto adapt kill/concavity to feet
17 October 2014 — lascanopy: fixed „first-plot-only bug“ for *.laz input in ‚-lor’/‘-loc’/‘-lop‘ mode
16 October 2014 — lasground: serious bug removed for (rare) LAS/LAZ files with header.z_offset < 0 13 October 2014 — las2las: more control over ‚-target_precision‘ and ‚-target_elevation_precision‘ 13 October 2014 — LASlib: allow relative paths of type ‚-i d:tiles\*.laz‘ as input 13 October 2014 — LASlib: bigger I/O buffers for LASreader_las & LASwriter_las to improve performance 13 October 2014 — las2dem, lasgrid, lascanopy, lasoverlap: fixed bug introduced on 15 September 2014 29 September 2014 — NEW: lasplanes to find planar patches in terrestrial and mobile (airborne?) scans 29 September 2014 — lastile: better performance by increasing the I/O buffers 15 September 2014 — las2dem, lasgrid, lascanopy, lasoverlap: fixed mem-leak in multi-files processing 6 September 2014 — LASlib: leaner LASzip by removal virtual classes and delayed chunk table read 31 August 2014 — lascolor: bug fix for certain type of JPEG-compressed TIF images 30 August 2014 — all LAStools via LASlib: less I/O overhead especially on ‚-merged‘ folders of LAZ 25 August 2014 — lasboundary: new options ‚-use_bb‘ and ‚-use_lax‘ for hyper-fast approximate shapes 24 August 2014 — lasclip: new option ‚-split‘ to split LiDAR points into one file per input polygon 20 August 2014 — lasmerge: new option ‚-keep_lastiling‘ preserves LAStiling VLR of first LAS/LAZ file 20 August 2014 — lasmerge: can copy VLRs to other files by first listing empty LAS/LAZ (zero points) 20 August 2014 — lastile: no longer produces tiles containing *only* buffer points (e.g. ‚-buffer 50‘) 14 August 2014 — lastrack: fixed non-working options ‚-drop_above‘, ‚-drop_below‘ and ‚-drop_between‘ 14 August 2014 — lasground: new ‚-extra_pass‘ lowers memory-needs together with ‚-ignore_class 3 5 6‘ 13 August 2014 — las2las: convert from/to geocentric or Earth-centered Earth-fixed (ECEF) coordinates 10 August 2014 — lastile: ‚-refine_tiles 10000000‘ with more than 10000000 points into four sub-tiles 8 August 2014 — bug fixes: las2iso (kml output), lascanopy (files_are_plots), LASlib (on-the-fly BIL) 30 July 2014 — LASlib: fixed small bug in on-the-fly BIL reader LASreader_bil.cpp 21 July 2014 — lascanopy: option to shift the grid origin with option ‚-grid_ll 5 15‘ 21 July 2014 — LASlib: new filter called ‚-thin_with_time 0.0001‘, new ‚-unique‘ flag for input files 9 July 2014 — lascanopy: output plots or rasters to CSV file and include ‚-centroids‘ or ‚-names‘ 9 July 2014 — lasgrid: allow gridding of ‚-range‘ of ‚-elevation‘, ‚-intensity‘, ‚-user_data‘, … 9 July 2014 — lasheight: fixed bug for ‚-ground_points external.bil‘ introduced in 140615 9 July 2014 — LASlib: make LASreader_txt parse piped ASCII text with ‚-stdin‘ and ‚-itxt‘ 9 July 2014 — LASlib: new transforms (-set_withheld_flag 0 -set_synthetic_flag 1 -set_keypoint_flag 0) 15 June 2014 — las2txt: recover PTS/PTX with ‚-opts’/‘-optx‘ created by txt2las with ‚-ipts’/‘-iptx‘ 15 June 2014 — lasthin: new options ‚-classify_as 8‘ and ‚-flag_as_withheld‘ 15 June 2014 — lasground: new options ‚-ground_class 8‘ ‚-non_ground_class 5‘ ‚-non_ground_unchanged‘ 15 June 2014 — lascanopy: fixed bug for input LAZ/LAS files with z_offset != 0.0 15 June 2014 — lasnoise: fixed bug for ‚-ignore_points‘ 5 June 2014 — NEW: lastrack to classify, drop, normalize points based on a trajectory file 26 May 2014 — lasclip & lasthin: new option ‚-ignore_class 2 8‘ to not clip/classify/thin all points 20 May 2014 — lasnoise: fixed bug for ‚-remove_points‘ and significantly improved memory footprint 16 May 2014 — QGIS toolboxes: improved for QGIS 2.2 including new LAStools Pipeline and Production 11 May 2014 — ArcGIS toolboxes: fixed up brand new LAStools Pipeline (with & without Model Builder) 30 April 2014 — blast2dem and blast2iso: support for ‚-cores 3‘ to run multiple jobs in parallel 30 April 2014 — lascanopy: new intensity metrics, bincentiles documented, circular & polygonal plot 22 March 2014 — las2dem: new ‚-edge_longest‘ and ‚-edge_shortest‘ for QC of LiDAR pulse spacing 22 March 2014 — blast2dem & blast2iso: support for BIL and ASC format 1 March 2014 — lasview: edit (+), delete (+), undo/redo (/), save changes as LASlayers (), apply LASlayers (), pick and view cross sections (/<CTRL+x>), move cross sections (arrow keys), fast change to zoom (), translate (), pan () mode.
21 February 2014 — LASlib: renaming of clip filters (-clip_z to -keep_z, -clip_z_between to -drop_z)
7 February 2014 — LASlib: renaming of several variables (xyz -> XYZ, …) for github launch
31 December 2013 — lasview: color points based on user data (can illustrate height above ground)
30 December 2013 — lasinfo: produce histogram for attributes in extra bytes with ‚-histo 0 5‘
29 December 2013 — lasheight: stores height as new attribute with ‚-store_as_extra_bytes‘
25 December 2013 — NEW: lascolor for adding RGB colors from orthophotos to the LAS points
10 December 2013 — all LAStools: added support for certain ESPG codes in GUI and via ‚-epsg‘
9 December 2013 — LASlib: bug fix and improved writing of new LAS 1.4 point types
27 November 2013 — lasgrid, las2dem, lascanopy, lasoverage: fixed half pixel offset of IMG writer
26 November 2013 — lassplit, lasoverage: ability to ‚-recover_flightlines‘ from GPS time
25 November 2013 — LASlib: new capability to filter points based on RGB band ranges
25 October 2013 — lasthin: new option to „thicken“ LiDAR points simulating the laser beam-width
17 October 2013 — lascanopy: fixed bug in height rasters for LAS input with non-zero z_offset
10 October 2013 — LAStools: all tools read FUSION DTM rasters via on-the-fly conversion to LAS
6 October 2013 — ArcGIS toolboxes: improved, new LAStools Professional, new LAStools Pipeline
3 October 2013 — LASlib: fix for reading and merging on-the-fly converted rasters (e.g. BIL, ASC)
30 September 2013 — txt2las: bug fixed for adding EXTRA_BYTES with scales and offsets
22 September 2013 — all LAStools and LASlib: input files paths can now contain both ‚/‘ and ‚\‘
18 September 2013 — lasduplicate: fixed bug in ‚-unique_xyz‘ mode + option to output duplicates
18 September 2013 — lasgrid: fixed bug in ‚-counter_32bit‘, correct origin for empty output rasters
18 September 2013 — LASzip DLL: fixed small memory leak
18 September 2013 — lasthin: fixed small bug to prepopulate the bounding box for ASCII input
29 July 2013 — LASzip: created an easy-to-use DLL interface for LASzip integration
29 July 2013 — lasground: improved handling of non-airborne LiDAR via option ‚-not_airborne‘
29 July 2013 — lascanopy: added kurtosis (-kur) and skewness (-ske) as new raster products
29 July 2013 — NEW: blast2iso for creating seamless contours for up to 2 billion LiDAR points
29 July 2013 — NEW: lasnoise for removing or flagging isolated points
6 May 2013 — improved lasinfo handling of LAS 1.4 files
1 May 2013 — fixed LAZ reading bug (50000 points only) for download-truncated LAZ files
18 April 2013 — fixed broken 32 bit integer mode of TIF writer in las2dem, lasgrid, blast2dem
9 April 2013 — fixed broken 8 and 16 bit output modes for las2dem, lasgrid, blast2dem
9 April 2013 — output a WARNING if the option -odir „c:\“ or -odir „..\lidar\“ is used
4 April 2013 — las2las: fixed missbehaving ‚-target_utm auto‘ function (uninitialized variable)
4 April 2013 — las2dem, lasgrid, blast2dem: fixed corrupted GeoTIFF projection tags
29 March 2013 — lasground: fixed a serious bug for ‚-replace_z‘ and ‚-compute_height‘
25 March 2013 — fixed a serious bug for ‚-thin_with_grid 0.5‘ when looping over files
15 March 2013 — stdin for lasinfo, BIL & ASC output fix, lasground & lasheight copy skipped files
25 February 2013 — fixes for lasheight, las2dem, blast2dem, lastile, and lascanopy
13 February 2013 — many little bug fixes (lasheight, lasgrid, las2dem, blast2dem, …)
28 December 2012 — added ‚-clip_z_between 12 14.51‘ and ‚-clip_raw_z_between 1200 1451‘
12 December 2012 — blast2dem: cool new options ‚-slope‘, ‚-false‘, ‚-invert_ramp, and ‚-rgb‘
12 December 2012 — lasground: added options ‚-replace_z‘ and ‚-compute_height‘
8 December 2012 — lasinfo: added ‚-cores 6‘ capability and options ‚-odir‘ and ‚-odix‘
2 December 2012 — las2las: down-converts true LAS 1.4 files to LAS 1.2 with ‚-set_version 1.2‘
26 November 2012 — lascanopy added ‚-c 2 4 10 20 100‘ to compute multiple count rasters
11 November 2012 — NEW: e572las converts LiDAR in E57 format to the LAS/LAZ/ASCII files
31 October 2012 — lascanopy: fixed two bugs that would slightly miss-compute percentiles
21 October 2012 — lasinfo: added to the lastool GUI and fixed extremely rare lasground bug
30 September 2012 — NEW: lascanopy computes metrics such as height percentiles for forestry
13 September 2012 — lasinfo: improved output and fixed laszip bug for LAS 1.4 point types
9 September 2012 — lasclip, las2dem, las2iso, las2tin: fixed constraint triangulation bug
22 August 2012 — added the ‚-pipe_on‘ option for a multi-stage LAStools pipeline
11 August 2012 — added on-the-fly buffered reading of LiDAR files (efficient with LAX)
13 July 2012 — NEW: lasoverage finds and flags overage points in the flightline overlap
9 July 2012 — fixed crash that occured when input had a corrupt VLRs without payload
28 June 2012 — blast2dem: ability to handle rasters with more than 65336 rows or cols
12 June 2012 — lasground: preserve classification by excluding points with ‚-ignore_class‘
12 June 2012 — las2dem & blast2dem: removed limitation of maximal ncol being 65536
1 June 2012 — lassplit: the files may now be split based on various other point attributes
25 May 2012 — the ArcGIS toolbox now has illustrating comments for all possible parameters
22 May 2012 — added las2iso, lasmerge, lassplit, and lasheight (classify) to ArcGIS toolbox
6 May 2012 — las2iso & las2tin: option to add closed (-lakes) and open (-streams) breaklines
1 May 2012 — lasheight: classify (vegetation) points based on height above ground intervals
1 May 2012 — added file browse box to several GUIs
8 April 2012 — changed ESRI LAStools LiDAR processing toolbox to be ArcGIS 9.3 compatible
8 April 2012 — added LASreader_bil for native read support of binary BIL grids
3 April 2012 — lasground: option to ‚-ignore_class 6‘ to preserve / leave out classified points
3 April 2012 — many more tools in the ESRI ArcGIS LAStools LiDAR processing toolbox
28 March 2012 — NEW: ESRI ArcGIS LAStools LiDAR processing toolbox (first version)
27 March 2012 — added LASreader_asc for native read support of ESRI ASC grids
26 March 2012 — output file name handling also for raster and line products (+ ‚-ocut 5‘)
19 March 2012 — better output naming (-odix/-odir) + overwrite check for point producing tools
16 March 2012 — las2shp: optionally convert to PointZ primitive instead of MultiPointZ
16 March 2012 — las2dem: compute slope maps as actual values (0 – 90 degrees) or color coded
16 March 2012 — lasgrid, las2dem, lasoverlap: support for simple FLT + HDR raster format
8 March 2012 — lasinfo: count more than 4 billion points (‚lasinfo -i *.las‘) without overflow
22 February 2012 — lasinfo: compute density/spacing of points with ‚-compute_density‘ or ‚-cd‘
14 February 2012 — NEW: lasoverlap verifies flight line coverage & controls vert/horiz alignment
14 February 2012 — lasheight supports external ‚-ground_points‘ file (e.g. for geoid transforms)
14 February 2012 — las2dem has support for closed (hydro-flattening) and hard breaklines
14 February 2012 — specify output directory with ‚-odir‘ and file name appedix ‚-odix‘
9 February 2012 — lasinfo: batch output as „*_info.txt“ for many files with ‚-single -otxt‘
9 February 2012 — lasgrid, las2dem, blast2dem: raster the tile without buffer ‚-use_tile_bb‘
6 February 2012 — lasthin: allow marking thinned out points as ‚-withheld‘ instead
6 February 2012 — lastile: option for full bounding box in header for partial filled tiles
6 February 2012 — lasgrid, las2dem, blast2dem: output of worldfiles for JPG, PNG, TIF, BIL
6 February 2012 — lasgrid, las2dem, blast2dem: support for XYZ and FUSION DTM format
1 February 2012 — lasthin: implemented the ‚-random‘ option. allows to set a ‚-seed 121‘
24 January 2012 — lasinfo: report adjusted Standard GPS time min/max as ‚-gps_week‘
24 January 2012 — las2las: convert GPS time ‚-week_to_adjusted 1662‘ & ‚-adjusted_to_week‘
17 January 2012 — it’s now possible to manually edit / tweak the command line in the GUI
16 January 2012 — NEW: created lassplit for extracting original flight lines from tilings
16 January 2012 — basic LAS 1.4 write support (down-converted points are up-converted)
13 January 2012 — most tools now allow multi-core batching via GUI or with ‚-cores 4‘
28 December 2011 — (limited) read support for LAS 1.4 (new point types are down-converted)
16 December 2011 — all LAStools can now read ESRI’s SHP files that contain only points
14 December 2011 — lasboundary: priority queue to tighten boundary around „islands“
13 December 2011 — most LAStools have now a GUI
9 December 2011 — laszip, lasview, lasgrid, las2dem: added GUI (if called without args)
4 December 2011 — txt2las: option to set classification with ‚-set_class 2‘
26 November 2011 — lasview: overlay control points via ‚-cp pts.csv -cp_parse ssxyz‘
26 November 2011 — laszip: generate LAX file as compressing/decompressing via ‚-lax‘
19 November 2011 — lassort: sort based on point source id (afterwards based on time)
27 October 2011 — lasheight: allows reclassifying points based on their height
26 October 2011 — blast2dem: able to merge multiple files like ‚-i *.las -merged‘
26 October 2011 — lasview: inspect spatial indexing (‚Q’&’q‘) and waveforms (‚W’&’i‘)
26 October 2011 — lasduplicate: keep ‚-lowest_z‘ or ‚-unique_xyz‘ points
26 October 2011 — laszip: prototype for LAS 1.3 full waveform compression
6 October 2011 — lascontrol: handle control points outside of the LIDAR points
6 October 2011 — laszip & lasindex: large file support with fseek64
6 October 2011 — laszip: ability to read LAZ with missing chunk table
6 October 2011 — las2tin: removing large boundary triangles with ‚-concavity 25‘
15 September 2011 — NEW: created lasclassify after demands to find buildings and trees
6 September 2011 — lasinfo: computes point density and coverage area.
6 September 2011 — lastile: add & remove buffers at tile borders. reversible tilings.
2 September 2011 — lasboundary: is 10 times faster. uses 100 times less memory.
2 September 2011 — lasgrid: more gridding options (e.g. scan angle, user data)
21 August 2011 — NEW: created lascontrol after incompatible LAS 1.4 draft release
15 August 2011 — NEW: created lasground after demands for bare-earth extraction
15 August 2011 — lastool: also displays existing projection information
5 August 2011 — lastool and many LAStools allow to add/set projection info
30 July 2011 — lasclip: support in GUI and *.txt files for polygon input
30 July 2011 — lasheight: allows dropping points based on height above ground
30 July 2011 — lassort: sort by GPS time as a new option
21 July 2011 — NEW: created lastool, one tool to rule them all. a simple GUI for LAStools.
7 July 2011 — NEW: created lasheight in the express to kahl with lightning delay
30 June 2011 — out-of-core lasgrid for large rasters & support for ERDAS *.img
23 June 2011 — turned on LASzip version 2.0 compressor with chunking
12 June 2011 — NEW: created blast2dem the day after Mark and Meg got married at Tahoe
11 June 2011 — support for over 4,294,967,295 points in merged LAS/LAZ or for ASCII
31 May 2011 — new spatial data base functionality for folders of LAS/LAZ files
21 May 2011 — most tools can now batch process with wildcards or multiple file names
17 May 2011 — laszip: enabling batch processing
15 May 2011 — laszip: improved GPS11v2 compression for interleaved flight-lines
13 May 2011 — all tools can now read spatially indexed data if LAX file
13 May 2011 — moved indexing, filtering, transforming into LASreader
9 May 2011 — laszip: the chunked compressor now allows variable chunk sizes
2 May 2011 — lasduplicate: created after Mark’s packet arrived
29 April 2011 – lasindex: created after cable outage during the royal wedding (-:
27 April 2011 — the LASreader of the LASlib interface now allows to seek()
25 April 2011 — laszip: chunked compression for random access decompression
22 April 2011 — txt2las & shp2las command-line flags specify projection VLR
18 April 2011 — las2las: sets projection tags or reprojects horizontally
12 April 2011 — lasboundary: output PolygonZ instead of PolylineZ for SHP files
11 April 2011 — all tools can now read/write ASCII via on-the-fly conversion
7 April 2011 — las2dem: improved false colors and RGB color handling
6 April 2011 — las2dem: added -intensity as an alternative to -elevation
22 March 2011 — lasthin: ooups … fixed a fat fat bug living in the sparsity
20 March 2011 — txt2las: added capability to read *.zip, *.rar, and *.7z directly
20 March 2011 — all tools can now read and write LASzip version 2.0
18 March 2011 — new cool LASfilters and LAStransforms
15 March 2011 — las2txt: added the ‚E‘ option to place an ‚-extra STRING‘
4 March 2011 — lasdem: added floating point -precision to ASC/BIL/TIF output
3 March 2011 — lasdem: ASC ESRI ASCII *.asc grids as an output option
27 February 2011 — lasthin: keep ‚-sparse‘ grids in a hash_map or a map
24 February 2011 — lasclip: added possibility to merely classify (not clip) points
22 February 2011 — txt2las: added option to scale the intensity scan_angle
12 February 2011 — lasthin: option to keep highest instead of lowest point
7 February 2011 — NEW: created lasclip after baking a cheese in dad’s microwave oven
26 January 2011 — las2las, lasinfo, las2txt, and lasmerge: use LAStransform
5 February 2011 — NEW: created lassort a few hours before having Lufthansa Thai food
23 January 2011 — all tools use LASwriteOpener
21 January 2011 — all tools use LASreadOpener and can read multiple LAS files
21 January 2011 — lasboundary: added the concept of a ‚-disjoint_hull‘ as output
19 January 2011 — NEW: created lastile after mara met with silke to talk about africa
17 January 2011 — lasboundary: added capability to output ‚-holes‘ in the data set
15 January 2011 — las2iso: new LineWriter adds possibility to output in KML & WKT
4 January 2011 — all tools have a LASfilter to clip or eliminate points
3 January 2011 — laszip: completely refactored for integration into liblas
3 December 2010 — laslib API: updated to (somewhat) support LAS format 1.3
30 November 2010 — NEW: created lasprecision spotting few paper cups at Starbuck’s Offenbach
7 February 2010 — NEW: created lasgrid while pondering about Karleen’s Valentine
17 January 2010 — laszip: switched the range coder with faster arithmetic coder
30 October 2009 — NEW: created lasboundary after working late and biking through the night
25 August 2009 — NEW: created las2shp & las2shp after painting walls and hanging the yellow curtains
17 August 2009 — las2iso: possibility to simplify and clean the contours
10 July 2009 — lasinfo: ‚-auto_date‘ sets the day/year to the file creation date
11 April 2009 — NEW: created las2dem after making an offer on 1881 Chestnut
6 April 2009 — NEW: created las2iso after getting more serious about 1881 Chestnut
17 September 2008 — all tools to deal with LAS format version 1.2
19 April 2008 — NEW: created lasthin after not going on Sheker’s full moon hike
31 March 2008 — NEW: created las2tin on a lonely flight UA 927 from FRA to SFO
12 March 2008 — all tools ask for input when started without arguments
17 November 2007 — Howard contacts me. the LAStools code base branches off into LIBlas.
07 November 2007 — NEW: created lasmerge after an email from luis.viveros@digimapas.cl
13 July 2007 — lasinfo: new option to „repair“ the header and change items
13 July 2007 — txt2las: single pass if output is to file
10 July 2007 — NEW: created las2las after talking with LLNL Linda about the H1B process
25 June 2007 — txt2las: added warning in case that quantization causes a sign flip
9 May 2007 — NEW: created lasview adapted from my streaming point viewer
4 May 2007 — completed las2txt one month later because my mother passed away
4 April 2007 — NEW: created las2txt in the ICE from Frankfurt Airport to Wuerzburg
25 March 2007 — NEW: created lasinfo in Hongkong at Pacific Coffee after walking up the hill
26 February 2007 — NEW: created txt2las sitting in the SFO lounge waiting for LH 455
23 February 2007 — NEW: created lasdiff before getting ready for henna’s birthday cabin trip
22 February 2007 — laspointreaders and laspointwriters about an hour before henna’s birthday
21 February 2007 — NEW: created laswriter API after eating Sarah’s veggies with peanutsauce
18 February 2007 — NEW: created lasreader API after repairing 2 vacuum cleaners in the garden
14 February 2007 — NEW: created laszip after picking flowers for henna’s Valentine dinner