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Changelog

Source: NEWS.md

lasR 0.5.3

  • Fix: #45 computation time of geometry_features after delete_points()
  • Fix: local_maximum() was processing deleted points.
  • Enhance: #44 write_vpc write the datetime
  • Enhance: delete_points can now physically remove the deleted points if the number of points deleted is important. Before they were flagged but kept in memory. It can also free available memory.

lasR 0.5.2

  • New: #42 write_vpc() gained an argument absolute_path
  • Fix: #42 write_vpc() orders the long/lat coordinates properly on Linux
  • Fix: #42 write_vpc() writes the absolute path of the relative path does not exist on Windows
  • Fix: #40 triangulate() with 0 point chunk.
  • Fix: #43: geometry_feature works if the file already contains some extrabytes attributes
  • Enhance: 0 point point-clouds are no longer stopping the computation. If a stage such as delete_points() removes all the points, the pipeline is stopped for the current chunk/file but the computation keep going for others. This was not the case for all stages and some stages could either crash or stop the computation.

lasR 0.5.1

lasR 0.5.0

  • New: stage geometry_features() to compute point wise geometry features based on k-nearest neighbors.
  • New: stage callback() can load more than 10 extrabyte attributes. Using the flag E all the extrabytes are loaded.
  • New: stage set_crs() to assign a coordinate reference system at some point of the pipeline.
  • New: raster in GeoTiff format are now created with COMPRESS=DEFLATE, PREDICTOR=2,TILED=YES effectively reducing the size of the rasters
  • New: summarize() output includes the CRS.

lasR 0.4.8

  • Enhance: #33 local_maximum() gained a record_attributes argument to chose if the attribute of the points are recorded in the vector file.
  • Enhance: #33 local_maximum_raster() no longer record zeroed LAS point attributes

lasR 0.4.7

  • Fix: #32 writing a vector file with a path containing a wildcard crashed the program.

lasR 0.4.6

  • Fix: lax included into laz file were not working.
  • Fix: #30 can read files bigger than 2.14 GB

lasR 0.4.5

lasR 0.4.4

  • Fix: bug with set_parallel_strategy(nested(ncores = 4, ncores2 = 4)).
  • Fix: attribute datatime is datetime in VPC files.
  • Fix: #25 triangulation with 0 points crashed. 0 points are possible with a filter.
  • Fix: #24 write_vpc() writes the correct number of points for LAS 1.4 files.
  • Fix: read of WKT strings in LAS files with a size inferior to what was declared in the header (null-terminated before record_length_after_header).

lasR 0.4.3

  • Fix: #22 segfault with partial processing.
  • Fix: memory access to WKT strings non-null-terminated.

lasR 0.4.2

  • Fix: add_attribute() was incorrectly reallocating memory causing potential crashes, especially when adding several attributes.
  • Fix: reader_las() crashing if the header of the LAS file did not record the correct number of points.
  • Fix: naming of the queries.
  • Documentation: reorganized the URLs and navbar of the website.

lasR 0.4.0

  • New: parallelism on multiple files. See ?multithreading
  • New: stage local_maximum_raster to compute local maximum on a raster
  • New: argument with in exec to pass processing options that should be preferred over direct naming.
  • New: function set_exec_options() to assign global processing options and override arguments potentially hardcoded in exec()
  • New: stage load_raster to read a raster instead of producing it on the fly from the point cloud.
  • New: stage add_rgb to modify the point data format
  • Doc: new article on the website about parallelism for an illustrated version of ?multithreading
  • Doc: improve documentation about processing options in ?exec and ?set_exec_options

lasR 0.3.6

  • Fix: #18 strongly improving arithmetic accuracy in point_in_triangle.

lasR 0.3.5

  • Fix: #17 transform_with can be used with pit_fill

lasR 0.3.4

  • Fix: #15 pit_fill producing corrupted output
  • Fix: pit_fill was not respecting the parameters given by the user
  • Fix: pit_fill in combination with rasterize("max") was not working properly

lasR 0.3.3

  • Fix: #12 write lax with buffered chunk
  • Fix: #13 processing by chunk was not buffered

lasR 0.3.2

  • Fix: CRS are working on Windows
  • Fix: library(lasR) transparently checks for latest version on Windows.

lasR 0.3.1

  • Fix: bugs when making a spatial query on multiple files with multiple spatial indexing systems (e.g. lax+nothing, lax+copc)

lasR 0.3.0

  • Change: processor() and reader() are deprecated and are replaced by exec() and reader_las(). This intends to provide a more consistent and natural way to separate the pipeline. i.e the stages and the global processing options i.e. the buffer, the chunking, the progress bar. For example the following now respects the LAScatalog processing options and this was not possible with the previous syntax.

    
ctg = lidR::readLAScatalog()
pipeline = reader_las() + rasterize(...)
exec(pipeline, on = ctg)

  • New: the processor is now able to process by chunk like lidR

    
pipeline = reader_las() + rasterize(...)
exec(pipeline, on = file, chunk = 500)

  • New: stage delete_points() to remove some points in the pipeline.

  • New: it is now possible to write the following:

    
dtm = dtm()
pipeline <- read + dtm + transform_with(dtm[[2]])

  • New: it is not possible to omit the reader stage. It automatically adds a default reader

    
pipeline = rasterize(...)
exec(pipeline, on = ctg)

  • New: triangulation is 4x faster and uses half the memory.

  • Fix: summarize(), rasterize() and write_las() no longer process withheld points in streaming mode.

lasR 0.2.1 (2024-03-05)

  • Fix: callback() properly handles errors from the injected function
  • New: handy functions tempxyz() to generate temp files with extension .xyz.
  • New: rasterize() is now parallelized with internal metrics including for buffered area based approach
  • New: rasterize() gained a progress bar with internal metrics.

lasR 0.2.0 (2024-03-01)

  • New: rasterize() gains the ability to perform a multi-resolution or buffered rasterization. See documentation.
  • New: rasterize() gains numerous native metrics such as zmax, zmean, zmedian, imax, imean and so on.
  • New: the internal engine gains the ability to skip the processing of some files of the collection and use these files only to load a buffer. This feature works with a LAScatalog from lidR respecting the processed attribute used in lidR
  • Fix: loading the package being offline created a bug were R no longer handles errors.

lasR 0.1.2 (2024-02-10)

  • New: progress bar when reading the header of the files (LAScatalog) can be enabled with progress = TRUE
  • Fix: progress bar starts to appear earlier i.e. from 0%. For some pipeline it affects the feeling of progress.

lasR 0.1.1 (2024-02-08)

  • Doc: Corrected the documentation for the argument ncores in processor(), which incorrectly mentioned that it was not supported.
  • New: Added new functions ncores() and half_cores().
  • Fix: Corrected the reader progress bar display when reading a las file with a filter and a buffer.
  • Fix: Fixed the overall progress bar, which was delayed by one file and was showing incorrect progress.

lasR 0.1.0 (2024-02-01)

  • Open to public
  • Fix: Fix the overall progress bar, which was delayed by one file and was showing incorrect progress.