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spanner  

Utilities to Support Lidar Applications at the Landscape, Forest, and Tree Scale
View on CRAN: Click here


Download and install spanner package within the R console
Install from CRAN:
install.packages("spanner")

Install from Github:
library("remotes")
install_github("cran/spanner")

Install by package version:
library("remotes")
install_version("spanner", "1.0.2")



Attach the package and use:
library("spanner")
Maintained by
Andrew Sanchez Meador
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2026-02-03
Latest Update: 2026-02-03
Description:
Implements algorithms for terrestrial, mobile, and airborne lidar processing, tree detection, segmentation, and attribute estimation (Donager et al., 2021) <doi:10.3390/rs13122297>, and a hierarchical patch delineation algorithm 'PatchMorph' (Girvetz & Greco, 2007) <doi:10.1007/s10980-007-9104-8>. Tree detection uses rasterized point cloud metrics (relative neighborhood density and verticality) combined with RANSAC cylinder fitting to locate tree boles and estimate diameter at breast height. Tree segmentation applies graph-theory approaches inspired by Tao et al. (2015) <doi:10.1016/j.isprsjprs.2015.08.007> with cylinder fitting methods from de Conto et al. (2017) <doi:10.1016/j.compag.2017.07.019>. PatchMorph delineates habitat patches across spatial scales using organism-specific thresholds. Built on 'lidR' (Roussel et al., 2020) <doi:10.1016/j.rse.2020.112061>.
How to cite:
Andrew Sanchez Meador (2026). spanner: Utilities to Support Lidar Applications at the Landscape, Forest, and Tree Scale. R package version 1.0.2, https://cran.r-project.org/web/packages/spanner. Accessed 14 Mar. 2026.
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