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fix sf object creation in the s2-tile handling #1178

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merged 1 commit into from
Jul 23, 2024
Merged

fix sf object creation in the s2-tile handling #1178

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10 changes: 5 additions & 5 deletions R/api_s2tile.R
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Original file line number Diff line number Diff line change
Expand Up @@ -18,15 +18,15 @@
} else {
# create a sf of points
epsg_lst <- unique(s2_tb[["epsg"]])
points_sf <- sf::st_cast(.map_dfr(epsg_lst, function(epsg) {
points_sf <- sf::st_as_sf(.map_dfr(epsg_lst, function(epsg) {
tiles <- dplyr::filter(s2_tb, epsg == {{epsg}})
sfc <- matrix(c(tiles[["xmin"]], tiles[["ymin"]]), ncol = 2) |>
sf::st_multipoint(dim = "XY") |>
sf::st_sfc(crs = epsg) |>
sf::st_transform(crs = "EPSG:4326")
sf::st_sf(geom = sfc)
}), "POINT")

}))
points_sf <- sf::st_cast(points_sf, "POINT")
# change roi to 1.5 degree to west and south
roi_search <- .bbox_as_sf(
dplyr::mutate(
Expand Down Expand Up @@ -58,7 +58,7 @@
})

# transform each sf to WGS84 and merge them into a single one sf object
s2_tiles <- .map_dfr(s2_sf_lst, function(s2_sf) {
s2_tiles <- sf::st_as_sf(.map_dfr(s2_sf_lst, function(s2_sf) {
s2_sf <- sf::st_as_sf(
x = s2_sf,
sf_column_name = "geom",
Expand All @@ -68,7 +68,7 @@
x = sf::st_segmentize(s2_sf, 10980),
crs = "EPSG:4326"
)
})
}))

# if roi is given, filter tiles by desired roi
if (.has(roi))
Expand Down
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