Calculates the slope (longitudinal gradient or steepness) of linear geographic features such as roads (for more details, see Ariza-López et al. (2019) <doi:10.1038/s41597-019-0147-x>) and rivers (for more details, see Cohen et al. (2018) <doi:10.1016/j.jhydrol.2018.06.066>). It can use local Digital Elevation Model (DEM) data or download DEM data via the 'ceramic' package. The package also provides functions to add elevation data to linestrings and visualize elevation profiles.
Version: 1.0.1 Depends: R (≥ 2.10) Imports: sf, raster, methods, pbapply, geodist, colorspace Suggests: terra, knitr, rmarkdown, ceramic, bookdown, covr, testthat, osmextract, stplanr, dplyr, tmap, leaflet, bench, rlang Published: 2025-06-23 DOI: 10.32614/CRAN.package.slopes Author: Robin Lovelace [aut, cre, cph], Rosa Félix [aut], Joey Talbot [aut], Gonçalo Matos [aut], Dan Olner [rev] (Dan reviewed the package for rOpenSci, see https://github.com/ropensci/software-review/issues/420#issuecomment-857662657), Andy Teucher [rev] (Andy reviewed the package for rOpenSci, see https://github.com/ropensci/software-review/issues/420#issuecomment-858231647) Maintainer: Robin Lovelace <rob00x at gmail.com> BugReports: https://github.com/ropensci/slopes/issues License: GPL-3 URL: https://github.com/ropensci/slopes/, https://docs.ropensci.org/slopes/ NeedsCompilation: no Materials: README NEWS CRAN checks: slopes results Documentation: Downloads: Linking:Please use the canonical form https://CRAN.R-project.org/package=slopes to link to this page.
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