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added 500m peatland map
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flohump committed Jul 3, 2024
1 parent 160af23 commit 6474ce0
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2 changes: 1 addition & 1 deletion .buildlibrary
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ValidationKey: '30097872'
ValidationKey: '30119291'
AutocreateReadme: yes
AcceptedWarnings:
- 'Warning: package .* was built under R version'
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4 changes: 2 additions & 2 deletions CITATION.cff
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Expand Up @@ -2,8 +2,8 @@ cff-version: 1.2.0
message: If you use this software, please cite it using the metadata from this file.
type: software
title: 'mrmagpie: madrat based MAgPIE Input Data Library'
version: 1.51.2
date-released: '2024-07-02'
version: 1.51.3
date-released: '2024-07-03'
abstract: Provides functions for MAgPIE country and cellular input data generation.
authors:
- family-names: Karstens
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4 changes: 2 additions & 2 deletions DESCRIPTION
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Type: Package
Package: mrmagpie
Title: madrat based MAgPIE Input Data Library
Version: 1.51.2
Date: 2024-07-02
Version: 1.51.3
Date: 2024-07-03
Authors@R: c(
person("Kristine", "Karstens", , "[email protected]", role = c("aut", "cre")),
person("Jan Philipp", "Dietrich", , "[email protected]", role = "aut"),
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55 changes: 40 additions & 15 deletions R/readGPM2.R
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#' @title readGPM2
#' @description read peatland area from GPM2
#' @param type resolution ("1km" or "500m")
#' @return List of magpie objects with results on cellular level, weight, unit and description.
#' @author Florian Humpenoeder
#' @examples
Expand All @@ -8,30 +9,54 @@
#' }
#' @importFrom magclass as.magpie
#' @importFrom mstools toolGetMappingCoord2Country
readGPM2 <- function() {
readGPM2 <- function(type = "1km") {
previousOptions <- terra::terraOptions(print = FALSE)
terra::terraOptions(tempdir = withr::local_tempdir(tmpdir = getConfig("tmpfolder")),
todisk = FALSE, memfrac = 0.5)
withr::defer(do.call(terra::terraOptions, previousOptions))

# read-in file
r <- terra::rast("peatMAY22_1x1_mw_RUS30.tif")
if (type == "1km") {
# read-in file
r <- terra::rast("peatMAY22_1x1_mw_RUS30.tif")

# choose only 1st layer
r1 <- terra::segregate(r, other = NA)
r1 <- r1[[1]]
# choose only 1st layer
r1 <- terra::segregate(r, other = NA)
r1 <- r1[[1]]

# project r to lon/lat
r2 <- terra::project(r1, "+proj=longlat +datum=WGS84", method = "near")
# project r to lon/lat
r2 <- terra::project(r1, "+proj=longlat +datum=WGS84", method = "near")

# get cell area
a <- terra::cellSize(r2, unit = "ha", mask = TRUE)
a <- a * 1e-6
# get cell area
a <- terra::cellSize(r2, unit = "ha", mask = TRUE)
a <- a * 1e-6

# project or aggregate to 0.5 degree
# use terra::aggregate because terra::project(a, terra::rast(res = 0.5), method = "sum") is not working
# on the cluster (method = "sum" is the problem)
r3 <- terra::aggregate(a, fact = 48, fun = "sum", na.rm = TRUE)
# project or aggregate to 0.5 degree
# use terra::aggregate because terra::project(a, terra::rast(res = 0.5), method = "sum") is not working
# on the cluster (method = "sum" is the problem)
r3 <- terra::aggregate(a, fact = 48, fun = "sum", na.rm = TRUE)

} else if (type == "500m") {
# read-in file
r <- terra::vrt(list.files("500m", full.names = TRUE, pattern = ".tif$"), "500m/GPM2.0_500m.vrt", overwrite = TRUE)
crs(r) <- "+proj=moll"

# choose only 1st layer
r1 <- terra::segregate(r, other = NA)
r1 <- r1[[1]]

# project r to lon/lat
r2 <- terra::project(r1, "+proj=longlat +datum=WGS84", method = "near")

# get cell area
a <- terra::cellSize(r2, unit = "ha", mask = TRUE)
a <- a * 1e-6

# project or aggregate to 0.5 degree
# use terra::aggregate because terra::project(a, terra::rast(res = 0.5), method = "sum") is not working
# on the cluster (method = "sum" is the problem)
r3 <- terra::aggregate(a, fact = 96, fun = "sum", na.rm = TRUE)

}

# get spatial mapping
map <- toolGetMappingCoord2Country(pretty = TRUE)
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6 changes: 3 additions & 3 deletions README.md
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# madrat based MAgPIE Input Data Library

R package **mrmagpie**, version **1.51.2**
R package **mrmagpie**, version **1.51.3**

[![CRAN status](https://www.r-pkg.org/badges/version/mrmagpie)](https://cran.r-project.org/package=mrmagpie) [![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.4319612.svg)](https://doi.org/10.5281/zenodo.4319612) [![R build status](https://github.com/pik-piam/mrmagpie/workflows/check/badge.svg)](https://github.com/pik-piam/mrmagpie/actions) [![codecov](https://codecov.io/gh/pik-piam/mrmagpie/branch/master/graph/badge.svg)](https://app.codecov.io/gh/pik-piam/mrmagpie) [![r-universe](https://pik-piam.r-universe.dev/badges/mrmagpie)](https://pik-piam.r-universe.dev/builds)

Expand Down Expand Up @@ -39,7 +39,7 @@ In case of questions / problems please contact Kristine Karstens <karstens@pik-p

To cite package **mrmagpie** in publications use:

Karstens K, Dietrich J, Chen D, Windisch M, Alves M, Beier F, Köberle A, v. Jeetze P, Mishra A, Humpenoeder F, Sauer P (2024). _mrmagpie: madrat based MAgPIE Input Data Library_. doi:10.5281/zenodo.4319612 <https://doi.org/10.5281/zenodo.4319612>, R package version 1.51.2, <https://github.com/pik-piam/mrmagpie>.
Karstens K, Dietrich J, Chen D, Windisch M, Alves M, Beier F, Köberle A, v. Jeetze P, Mishra A, Humpenoeder F, Sauer P (2024). _mrmagpie: madrat based MAgPIE Input Data Library_. doi:10.5281/zenodo.4319612 <https://doi.org/10.5281/zenodo.4319612>, R package version 1.51.3, <https://github.com/pik-piam/mrmagpie>.

A BibTeX entry for LaTeX users is

Expand All @@ -48,7 +48,7 @@ A BibTeX entry for LaTeX users is
title = {mrmagpie: madrat based MAgPIE Input Data Library},
author = {Kristine Karstens and Jan Philipp Dietrich and David Chen and Michael Windisch and Marcos Alves and Felicitas Beier and Alexandre Köberle and Patrick {v. Jeetze} and Abhijeet Mishra and Florian Humpenoeder and Pascal Sauer},
year = {2024},
note = {R package version 1.51.2},
note = {R package version 1.51.3},
url = {https://github.com/pik-piam/mrmagpie},
doi = {10.5281/zenodo.4319612},
}
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5 changes: 4 additions & 1 deletion man/readGPM2.Rd

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