CHANGES.txt

10 April 2021 -- LASlib: new '-keep_profile p1_x p1_y p2_x p2_y width' keeps a segment of a certain width
24 March 2021 -- LASlib: bug fix only for signed long (I32) in LASattributer.set_value_as_float()
21 March 2021 -- LASlib: new LAStransform '-set_NIR 255'
16 February 2021 -- LASlib: better detection and ERROR when your LAZ file has corruptions in the LAS header
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
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'
30 September 2020 -- LASlib: new LAStransforms '-copy_register_into_point_source 1' and 'copy_attribute_into_point_source 0'
23 September 2020 -- LASzip and LASlib: rare fix for reading bit-corrupted LAZ files where chunk table is zeroed
18 June 2020 -- LASlib: 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
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
24 February 2020 -- las2las: check horizontal datum when reprojecting and also set OCG WKT when point type >= 6
18 February 2020 -- lasinfo: report classification histogram for 'withhelp', 'keypoint', 'synthetic', 'overlap' flagged points 
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
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'
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"
 6 January 2020 -- lasvalidate: fix for LAS 1.4 files with extra bytes and new option '-tile_size 1000' to check tile extend
24 December 2019 -- LASzip, LASlib, all LAStools: bug fix for file names with special characters like 'Töögrupid.laz'
16 November 2019 -- LASlib: bug fix in command line parsing of '-inside ... ... ... ...' followed by other commands
 9 November 2019 -- laszip: fix for selective decompression of more than 16 extra bytes in new point types 6 or higher
 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 
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
26 September 2019 -- open source tools ignore '-fail' which makes closed source tools fail if license expired / not found
16 September 2019 -- lasindex: new option '-dont_reindex' to prevent recreating of already existing LAX files
10 August 2019 -- las2las: set exotic vertical datums via '-vertical_epsg 5607' (= "Bora Bora SAU 2001 height")
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'
 4 July 2019 -- LASlib: two new LAStransforms '-switch_RGBI_into_CIR' and '-switch_RGB_intensity_into_CIR'
 2 July 2019 -- lasinfo: report missing VerticalCSTypeGeoKey 7837 as DHHN2016
20 Juni 2019 -- laszip: also compress Trimble '-waveforms' or '-waveforms_with_map' when very first WDP offset is 0
 3 June 2019 -- LASlib: new transform '-copy_user_data_into_z'
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
 3 May 2019 -- txt2las: correctly parse extended classifications larger than 31 by adding '-set_point_type 6' or higher
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
31 March 2019 -- LASzip, LASlib, LAStools: better LASzip license thanks to Amir Said. upgrade to version 3.4 revision 0
19 March 2019 -- LASlib, LASzip, LAStools: bug fix in "legacy class" decompressing new point types with "class > 31"
 5 March 2019 -- all LAStools: support GeoTIFF keys 3084 through 3087 used by RIEGL in generic LambertConfConic_2SP
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
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'
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
26 January 2019 -- LASlib: bug fix in LASattributer for deprecated tuples and triples and unset scale value of zero
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 -- 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'
20 January 2019 -- LASlib: also also LASsummarize additional attributes stored in 'extra bytes'
20 January 2019 -- LASlib: laswaveform13reader.cpp and laswaveform13writer.cpp check that 'wave_packet_descr[0]' is zero
18 January 2019 -- LASlib: new example 'lasexample_write_only_full_waveform.cpp' shows how to write LAS FWF with LASlib
 4 January 2019 -- LASlib: new "Extra Bytes" transform '-add_attribute_to_z 0' & '-add_scaled_attribute_to_z 1 -1.5'
 3 January 2019 -- LASlib: new "Extra Bytes" transform '-scale_attribute 0 1.1' & '-translate_attribute 1 10.25'
28 December 2018 -- LASzip and LASlib: fix for LASzip v4 decompression of WavePacket part of PRDF 9 and 10
27 December 2018 -- LASzip and LASlib: upped to 3.2 r9 for bug fix in multi-channel NIR decompression
 5 December 2018 -- LASlib: new '-transform_affine 0.9999652,0.903571,171.67,736.26' with paramters scale,angledeg,tx,tz
19 November 2018 -- all LAStools: support for "Hotine Oblique Mercator" (needed for Malaysia, Alaska Zone 1, Madagascar)
12 November 2018 -- las2las: new option '-save_vlrs' and '-load_vlrs' to copy VLRs from one LAS file to (a set of) another
7 November 2018 -- LASzip DLL: assure that legacy and extended flags are identical to prevent corrupt LAZ files
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
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'
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'
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'
9 September 2018 -- LASlib, all LAStools: tools can now also read points from PLY format (binary and ASCII).
10 August 2018 -- LASlib, all LAStools: fix bug in LAStransform 'change_classification_from_to 19 2' reported by Kirk
30 July 2018 -- LASlib, all LAStools: bug fix in selective decompression of "extra_bytes" for point types 6 and higher
22 July 2018 -- LASib, txt2las: fixed LASreader_txt bug for parsing 'c'lassfication to '-set_version 1.4' and '-set_point_type 6'
20 June 2018 -- LASlib, all LAStools: fix for '-set_classification 0' transform for new LAS 1.4 point types 6-10
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
10 June 2018 -- LASlib, all LAStools: fix for additional attributes in "extra bytes" combined with '-buffered 15'
20 May 2018 -- LASlib, all LAStools: bug fix when trying to set CRS via '-gda94 -utm 56south' in command line 
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
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
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)
23 March 2018 -- LASlib, all LAStools: more checks for correct arguments for LAStransforms 
20 March 2018 -- LASlib: new '-transform_helmert 598.1,73.7,418.2,0.202,0.045,-2.455,6.7' for ECEF coordinates 
 3 March 2018 -- LASlib, all LAStools: "allow '-odir' to just specify a drive such as '-odir f:' of '-odir f:\'
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'
 9 February 2018 -- LASzip: minor version increment to 3.2 as POINT14_v4 fixes context inefficiency bug
 9 February 2018 -- LASlib: new LASreaderStored supports stdin/stdout piping for multi-pass tools
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
28 December 2017 -- LASlib: prepare to correct 'context switch' bug reported by Wanwannodao on some future date
25 December 2017 -- LASlib: fixed half-pixel shift in on-the-fly-reading of BIL without BLW (ulxmap/ulymap are used)
15 December 2017 -- LASlib: support for auto flightline assignment '-faf' and '-faf 101' even with '-cores 4' 
14 December 2017 -- LASlib: keep multiple flightlines with '-keep_point_source 2 3 4' 
10 December 2017 -- LASlib: 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 many '\'s in front of each '\"'
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
17 November 2017 -- LASlib: new transform '-copy_intensity_into_NIR' (makes only sense for point type 8)
30 October 2017 -- las2las: new option '-vertical_evrf2007' for European Vertical Reference Frame 2007
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 
17 August 2017 -- LASlib: switch on "native LAS 1.4 extension". turns off with '-no_native'.
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
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
24 June 2017 -- LASlib: corrected on-the-fly conversion from BIL rasters to point clouds for unsigned integers
11 May 2017 -- LASlib: new transforms '-copy_classification_into_user_data' and '-copy_attribute_into_user_data 1'
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'
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'
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
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
16 January 2017 -- LASlib: support for NAVD88 Geoids when generating OGC WKT string via '-vertical_navd88_geoid12b'
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 
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
28 November 2016 -- all LAStools: new filters '-keep_second_last' and '-drop_second_last' return 
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
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 -- LASlib, las2las: new filters '-keep_attribute_between' and '-drop_attribute_between'
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
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
30 July 2016 -- las2las: correct naming of stateplanes when combining '-sp83 CA_I' with 'set_ogc_wkt'
19 July 2016 -- las2las: fixed bug with '-target_survey_feet' not always working with '-cores 8'
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 
2 July 2016 -- LAStools: add datums -vertical_navd88 -vertical_cgvd2013 -vertical_cgvd28 -vertical_dvr90 
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)
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
29 April 2016 -- LASlib: don't EXIT but produce WARNINGs when rescale / reoffset overflows integers
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'
28 February 2016 -- LASlib: new filters '-drop_extended_class 42' and '-drop_extended_class 219'
18 February 2016 -- lasinfo: more useful '-set_number_of_variable_length_records' and friends
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'
19 January 2016 -- LASlib: new transform to '-scale_rgb 1.5 2.1 1.8' 
 1 January 2016 -- las2las & txt2las: create OGC WKT string for CRS for full LAS 1.4 compliance 
25 September 2015 -- LASlib: disabling auto-upgrade to LAS 1.4 introduced in 150924. now it just warns.
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
28 August 2015 -- lasinfo: option '-repair_counters' corrected for 64 bit counters of LAS 1.4 files
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"
25 July 2015 -- LAStools: EPSG codes (http://groups.google.com/d/topic/lastools/9fUZaLKPReg/discussion)
6 June 2015 -- LASlib: added filters '-keep_overlap' and '-drop_overlap' for new LAS 1.4 point types
16 May 2015 -- LAStools: new projections Albers Equal Area Conic and Earth Centered Earth Fixed
3 May 2015 -- las2las: improved up-conversion to LAS 1.4 via '-set_version 1.4 -point_type 6'
3 May 2015 -- LASlib: fixed LASreader_merged to use file source ID of 0 when merging flightlines 
3 May 2015 -- LASlib: updated LASwriter_las and LASinventory to better handle LAS 1.4 content
3 April 2015 -- LASzip & LASlib: move spatial indexing from LASlib to LASzip for DLL integration
31 March 2015 -- LASlib: remove unused LASquadtree inheritance of abstract class LASspatial 
30 March 2015 -- las2txt: correct ASCII output for extended attributes of new LAS 1.4 point types
30 March 2015 -- LASlib: LASwriterCompatibleDown/LASwriterCompatibleUp for LAS 1.4 compatibility
31 January 2015 -- LASlib: new transforms for extended attributes of LAS 1.4 point types 6 - 10
18 December 2014 -- LASlib: different scale_factors/offsets are now possible with '-buffered 25'
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
30 August 2014 -- LASlib: significantly less I/O overhead especially on '-merged' folders of LAZ
12 August 2014 -- LASlib: fixed (another) small bug in on-the-fly BIL reader LASreader_bil.cpp
30 July 2014 -- LASlib: fixed small bug in on-the-fly BIL reader LASreader_bil.cpp
21 July 2014 -- LASlib: new filter called '-thin_with_time 0.0001', new '-unique' flag for input files
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)
22 March 2014 -- LASlib: allow more flavours of ASC grids for on-the-fly conversion to LAS
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
30 December 2013 -- lasinfo: produce histogram for attributes in extra bytes with '-histo 0 5' 
9 December 2013 -- LASlib: bug fix and improved writing of new LAS 1.4 point types
25 November 2013 -- LASlib: new capability to filter points based on RGB band ranges  
10 October 2013 -- LASlib: can now read FUSION DTM rasters by on-the-fly conversion to LAS
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 -- LASlib: input files paths can now contain both '/' and '\'
18 September 2013 -- LASlib: output WARNING if -odir "c:\" or -odir "..\lidar\" is used (windows)
29 July 2013 -- lasinfo: fixed output directory bug when running with multiple cores
6 May 2013 -- lasinfo: improved handling of LAS 1.4 files
1 May 2013 -- fixed LAZ reading bug (50000 points only) for download-truncated LAZ files
9 April 2013 -- LASlib: output WARNING if -odir "c:\" or -odir "..\lidar\" is used (linux)
15 March 2013 -- corrected interplay of '-ocut 2' and '-odix _g' when used at the same time
28 December 2012 -- added '-clip_z_between 12 14.51' and '-clip_raw_z_between 1200 1451'
30 September 2012 -- extended classification for new point types is written correctly
13 September 2012 -- improved lasinfo output and fixed laszip bug for LAS 1.4 point types
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)
9 July 2012 -- fixed crash that occured when input had a corrupt VLRs without payload
8 April 2012 -- added LASreader_bil for native read support of binary BIL grids
27 March 2012 -- added LASreader_asc for native read support of ESRI ASC grids
26 March 2012 -- even better output file naming with '-ocut 5' 
19 March 2012 -- better output naming (-odix/-odir) + overwrite check for point producing tools
14 February 2012 -- specify output directory with '-odir' and file name appedix '-odix'
16 January 2012 -- basic LAS 1.4 write support (down-converted points are up-converted)
28 December 2011 -- (limited) read support for LAS 1.4 (new point types are down-converted)
16 December 2011 -- support for reading ESRI' SHP format for types 1,11,21,8,18,28 
9 December 2011 -- laszip: added GUI (if called without arguments)
1 December 2011 -- laszip: fixed seek bug for interrupted LAZ files (e.g. ftp, CTRL^C)
26 October 2011 -- laszip: prototype for LAS 1.3 full waveform compression
26 October 2011 -- read / write interface for full waveform LAS 1.3 data
6 October 2011 -- large file support (fseek64) for spatial indexing and compression
6 October 2011 -- laszip: ability to read LAZ with missing chunk table
5 September 2011 -- support for reading and writing Terrasolid's BIN format
23 June 2011 -- turned on LASzip version 2.0 compressor with chunking 
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
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 -- lastransform: many more ways to transform 
11 April 2011 -- added lasreader_txt and laswriter_txt for on-the-fly conversion
20 March 2011 -- laszip: added POINT10 RGB, GPS, BYTE compressor versions 2 
19 March 2011 -- lasfilter: added various simple thinning filters
18 March 2011 -- all: added null output -nil and compressed input and output -v2
28 January 2011 -- all: major clean up for LASlib (with LASzip) re-release
24 January 2011 -- lasreader: introduced LASreadOpener
21 January 2011 -- lasreader: turned into abstract reader to support multiple files
21 January 2011 -- lastransform: (re-)created after matt told me about the optech dashmap bug
20 January 2011 -- lasreadermerged: created missing Livermore and my Extra Virgin Olive Oil
10 January 2011 -- all: licensing change for LGPL release and liblas integration
7 January 2011 -- read/writeitemraw: introduced swap buffers to reduce number of fwrite calls
25 December 2010 -- lasfilter & lasutility: created after swinging in Mara's hammock for hours
16 December 2010 -- lasdefinitions: updated to support generic LASitem point formats
12 December 2010 -- bytestream: refactored after Howard got pushy (-;
10 December 2010 -- integercompressor: unified for all entropy coders at Baeckerei Schaefer
8 December 2010 -- arithmetic & entropy: unified framework for all entropy coders
7 December 2010 -- read & write in items after getting invited to KAUST in Saudi Arabia
3 December 2010 -- all: updated to (somewhat) support LAS format 1.3
30 October 2009 -- arithmetic: refactoring Amir Said's FastAC code
31 October 2009 -- integercompressor: switched from the Rangecoder to the Entropycoder
7 September 2008 -- all: updated to support LAS format 1.2 
11 June 2007 -- lasdefinitions: number of return / scan direction bitfield order was wrong
22 February 2007 -- lasreadpoint & laswritepoint: created about an hour before henna's birthdy
21 February 2007 -- laswriter: created after eating Sarah's veggies with peanutsauce
18 February 2007 -- lasreader: created after repairing 2 vacuum cleaners in the garden
30 September 2005 -- integercompressor: now splitting the corrector into raw and compressed bits
13 July 2005 -- integercompressor: created after returning with many mosquito bites from OBX