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grout: Abstract Raster Tiling Schemes

Impose a tiling scheme on a raster grid defined by its dimension and extent. Computes tile counts, pixel offsets (suitable for spatial library windowed reads), and geographic extents for each tile. Also supports standard Web Mercator and geodetic tiling profiles with zoom levels, and provides a spatial map of what each chunk covers for interrogating virtual raster stores. Based on the analysis of Lamb (1994, ISBN-13: 978-0748403158) "Tiling very large rasters" in 'Advances in GIS Research: Proceedings of the Sixth International Symposium on Spatial Data Handling', volume 1, pages 449-461.

Version: 0.1.0
Depends: R (≥ 3.5.0)
Imports: graphics, tibble, utils, vaster (≥ 0.6.0)
Suggests: testthat (≥ 3.0.0), wk
Published: 2026-08-20
DOI: 10.32614/CRAN.package.grout
Author: Michael D. Sumner ORCID iD [aut, cre, cph]
Maintainer: Michael D. Sumner <mdsumner at gmail.com>
BugReports: https://github.com/hypertidy/grout/issues
License: GPL-3
URL: https://github.com/hypertidy/grout
NeedsCompilation: no
Materials: README, NEWS
CRAN checks: grout results

Documentation:

Reference manual: grout.html , grout.pdf

Downloads:

Package source: grout_0.1.0.tar.gz
Windows binaries: r-devel: grout_0.1.0.zip, r-release: grout_0.1.0.zip, r-oldrel: grout_0.1.0.zip
macOS binaries: r-release (arm64): grout_0.1.0.tgz, r-oldrel (arm64): grout_0.1.0.tgz, r-release (x86_64): grout_0.1.0.tgz, r-oldrel (x86_64): grout_0.1.0.tgz

Linking:

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These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.