NEWS

lacunr 2025-08-27

The tutorial vignette lacunr-tutorial.Rmd has been edited to clarify the relationship between raw lacunarity and the proportion of occupied space.
External package anchors have been added to function documentation, per CRAN guidelines.
The test suite now covers the periodic boundary algorithm.
Fixed broken URLs.
Package now has a CITATION file.

New plotting functions lac_plot(), lacnorm_plot(), and hr_plot() now let users conveniently plot lacunarity or H(r) curves returned by lacunarity().
Package now has a sample LiDAR dataset, glassfire.
Package now includes tutorial vignettes.
Package now has a working test suite.

Package is now set up for CI via Github Actions.
Minor tweaks to lacunarity():
- The periodic argument now has improved error handling.
- The underlying C++ function received a minor change to simplify how it calculates lacunarity at the smallest box size. This shouldn't alter the output.
Improvements to error handling of bounding_box() and voxelize().
Removed C++11 requirement from Makevars[.win] to make the package compatible with R version 4.3. This may cause issues building the package with R versions <= 3.5 on systems with very old compilers.
Various bug fixes in the package documentation to satisfy R CMD check --- mainly issues involving formatting of DOIs and removing broken URLs.

Core functions voxelize(), bounding_box(), and lacunarity() implemented.
bounding_box() includes S3 method for lasmetrics3d class created by lidR::voxel_metrics(), as well as lacunr's native lac_voxels class created by voxelize().