gd_region | R Documentation |
Creates a suitable input for the region
argument to gd_download(<Image>)
or gd_search()
for Image Collections.
gd_region_to_vect()
is the inverse function of gd_region/gd_bbox; convert GeoJSON-like list to Well-Known Text(WKT)/SpatVector. This may be useful, for example. when gd_region()
-output was derived from an Earth Engine asset rather than local R object.
gd_region(x)
gd_region_to_vect(x, crs = "OGC:CRS84", as_wkt = FALSE, ...)
x |
either a WKT string (character), a SpatRaster(Collection)/SpatVector(Collection)/SpatExtent, an sf object, an Spatial* object or a RasterLayer/RasterStack. |
crs |
character. Default for GeoJSON sources is |
as_wkt |
logical. Return Well-Known Text (WKT) string as character? Default: |
... |
Additional arguments to |
If x
is an R spatial object, each vertex (possibly after converting object extent to vector) is used to create the GeoJSON object. Otherwise, the extent is determined and passed to gd_bbox()
.
list representing a GeoJSON extent
gd_region_to_vect()
: a 'terra' SpatVector object, or character containing Well-Known Text.
gd_bbox()
library(terra)
b <- terra::vect('POLYGON((-121.355 37.560,
-121.355 37.555,
-121.350 37.555,
-121.350 37.560,
-121.355 37.560))',
crs = "OGC:CRS84")
gd_region(b)
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