process_gmted: Process elevation data

In amadeus: Accessing and Analyzing Large-Scale Environmental Data

Process elevation data

Description

The process_gmted() function imports and cleans raw elevation data, returning a single SpatRaster object.

Usage

process_gmted(variable = NULL, path = NULL, extent = NULL, ...)

Arguments

variable	vector(1). Vector containing the GMTED statistic first and the resolution second. (Example: variable = c("Breakline Emphasis", "7.5 arc-seconds")). Statistic options: "Breakline Emphasis", "Systematic Subsample", "Median Statistic", "Minimum Statistic", "Mean Statistic", "Maximum Statistic", "Standard Deviation Statistic" Resolution options: "30 arc-seconds", "15 arc-seconds", "7.5 arc-seconds"
path	character(1). Directory with downloaded GMTED "*_grd" folder containing .adf files.
extent	numeric(4) or SpatExtent giving the extent of the raster if NULL (default), the entire raster is loaded
...	Placeholders.

Value

a SpatRaster object

Note

SpatRaster layer name indicates selected variable and resolution, and year of release (2010).

Author(s)

Mitchell Manware

Examples

## NOTE: Example is wrapped in `\dontrun{}` as function requires a large
##       amount of data which is not included in the package.
## Not run: 
gmted <- process_gmted(
  variable = c("Breakline Emphasis", "7.5 arc-seconds"),
  path = "./data/be75_grd"
)

## End(Not run)

amadeus documentation built on April 4, 2025, 12:21 a.m.