Generate Isolines and Isobands from Regularly Spaced Elevation Grids R package isoband version 0.3.0 A fast C++ implementation to generate contour lines (isolines) and contour polygons (isobands) from regularly spaced grids containing elevation data. Software Imports: cli, grid, rlang, utils LinkingTo: cpp11 Suggests: covr, ggplot2, knitr, magick, bench, rmarkdown, sf, testthat (>= 3.0.0), xml2 Thomas Lin Pedersen <thomas.pedersen@posit.co> Comprehensive R Archive Network (CRAN) Hadley Wickham [aut] (ORCID: <https://orcid.org/0000-0003-4757-117X>), Claus O. Wilke [aut] (Original author, ORCID: <https://orcid.org/0000-0002-7470-9261>), Thomas Lin Pedersen [aut, cre] (ORCID: <https://orcid.org/0000-0002-5147-4711>), Posit, PBC [cph, fnd] (ROR: <https://ror.org/03wc8by49>) MIT + file LICENSE (https://CRAN.R-project.org/package=isoband/LICENSE) 2025-12-07 application/tgz https://CRAN.R-project.org/package=isoband doi:10.32614/CRAN.package.isoband