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DESCRIPTION
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DESCRIPTION
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Package: chopin
Title: Computation of Spatial Data by Hierarchical and Objective Partitioning of Inputs for Parallel Processing
Version: 0.8.2
Authors@R: c(
person("Insang", "Song", , "[email protected]", role = c("aut", "cre"),
comment = c(ORCID = "0000-0001-8732-3256")),
person("Kyle", "Messier", role = c("aut", "ctb"),
comment = c(ORCID = "0000-0001-9508-9623"))
)
Description: Geospatial data computation is parallelized by grid, hierarchy,
or raster files. Based on future and mirai parallel backends, terra and sf
functions as well as convenience functions in the package can be distributed
over multiple threads. The simplest way of parallelizing generic geospatial
computation is to start from `par_pad_*` functions to `par_grid`,
`par_hierarchy`, or `par_multirasters` functions. Virtually any functions
accepting classes in terra or sf packages can be used in the three
parallelization functions. A common raster-vector overlay operation
is provided as a function `extract_at`, which uses exactextractr, with
options for kernel weights for summarizing raster values at vector geometries.
Other convenience functions for vector-vector operations including
simple areal interpolation (`summarize_aw`) and summation of
exponentially decaying weights (`summarize_sedc`) are also provided.
License: MIT + file LICENSE
URL: https://github.com/NIEHS/chopin
BugReports: https://github.com/NIEHS/chopin/issues
Depends:
R (>= 4.1)
SystemRequirements: netcdf
Encoding: UTF-8
LazyData: true
LazyDataCompression: xz
Roxygen: list(markdown = TRUE)
RoxygenNote: 7.3.2
Imports:
anticlust,
cli,
dplyr (>= 1.1.0),
exactextractr (>= 0.8.2),
future,
future.apply,
igraph,
methods,
rlang,
sf (>= 1.0-10),
stars (>= 0.6-0),
terra (>= 1.7-18),
collapse,
lifecycle
Suggests:
covr,
devtools,
targets,
DiagrammeR,
future.mirai,
mirai,
knitr,
rmarkdown,
spatstat.random,
testthat (>= 3.0.0),
units,
withr
VignetteBuilder: knitr
Config/testthat/edition: 3