NEWS.md

In bi0m3trics/spanner: Utilities to support landscape-, forest-, and tree-related data analysis

spanner 1.0.2

• Removed depends on magrittr and removed all %>% in codebase
• Added process_tree_data funciton that takes the output of get_raster_eigen_treelocs and segment_graph to adds information about the height, crown area and volume, and diameter for each unique TreeID. It also has an optional parameter to return either points or hulls as an sf object for each tree.
• Added the citation for the package
• Added a couple default datasets and fixed the call for getExampleData()
• Added the xyz normals as returns for eigen_metrics()
• Added PatchMorph functions: process_rasters_patchmorph: Processes an input raster by reclassifying it based on suitability levels and applying gap and spur distance transformations to generate a list of processed rasters. plot_raster_by_name: Plots a raster from a list of rasters based on the provided raster name. ** sum_rasters_by_suitability: Sums rasters from a list based on their suitability levels and returns a list of summed rasters for each suitability level.
• Added dependencies fopr sf and terra
• Modified get_raster_eigen_treelocs and segment_graph to use sf and not write any intermediate files to optput locations with parallel processing to make sure that all possible operations use the available CPU cores. efficient data structures; used lapply for list operations and dplyr::bind_rows for combining data frames. reduce redundant ralculations; stored intermediate results and reused them where possible. ** removed unnecessary objects and used more efficient data structures.
• Added spanner_pal() which is a custom color palette

spanner 1.0.1

• Dependencies for raster now replaced by terra and calls to sp replaced with sf (in spanner only).
• Consumed the ransac cylinder fitting code from TreeLS and removed it as a depends/import. This code had to be modified slightly to bring it in line with R for 4.1.2.
• Updated get_raster_eigen_treelocs to better handle tree cover when smaller slices are needed.
• Updated the readme file to include all relevant literature.
• Fixed a bug resulting in treeID's from segment_graph not matching those created in get_raster_eigen_treelocs. Added parameters to specify where the point cloud slice should be used for matching resulting IDs (so they correspond to those provided from get_raster_eigen_treelocs)

spanner 1.0.0

• Manuscript release version

spanner 0.0.0.9000

• Added a NEWS.md file to track changes to the package.

bi0m3trics/spanner documentation built on June 9, 2025, 3:57 p.m.