R/data.R

In fgashakamba/hypsoLoop: Drawing hypsographic curves and calculate hypsometric integrals of the sub-catchments of a watershed

#' Digital Elevation Model (DEM) of Yanze Watershed
#'
#' This data consists of a 30X30m-resolution digital elevation model (DEM) of Yanze, a small watershed located in north-west of Kigali City, Rwanda.
#' The spatial reference system  used by the coordinates of DEM is GCS_WGS_1984 with a D_WGS_1984 datum.
#' The cell values are expressed in Meters with a minimum 1370m  of and a maximum of 2241.
#'
#' @name Yanze_DEM
#' @keywords DEM
#' @docType data
#' @format An S4 object of class RasterLayer.
#' @details
#'     extent: 29.91865, 30.03865, -1.941896, -1.755507  (xmin, xmax, ymin, ymax)
#'     dimensions : 671, 432, 289872  (nrow, ncol, ncell)
#'
"DEM"

#' Yanze sub-catchments boundaries
#'
#' This data consists of the boundaries of sub-catchments of Yanze watershed, a small watershed located in north-west of Kigali City, Rwanda.
#' The spatial reference system  used by the coordinates of this SpatialPolygonsDataFrame is GCS_WGS_1984 with a D_WGS_1984 datum.
#'
#' @format An S4 object of class SpatialPolygonsDataFrame.
#' @name Yanze_sub-catchments
#' @docType data
#' @details
#'     extent: 29.91865, 30.03858, -1.755426, -1.941896 (xmin, xmax, ymin, ymax)
#' \describe{
#'   \item{gridcode}{The id of each polygon}
#'   \item{CODE}{A five-charachter code designating each of the 93 sub-catchments in the format: "C0001" or "C0093"}
#' }
#'
"watersheds"

#' Land Use - Land Cover map of Yanze
#'
#' This data consists of a raster representing the landuse in Yanze watershed,
#' a small watershed located in north-west of Kigali City, Rwanda.
#' he spatial reference system  used by the coordinates of DEM is the WGS 84 UTM zone 35S - EPSG:32735.
#' Each land use/land cover class is represented by its code as follows:
#' 1 = Forest
#' 2 = Open Areas or Grass
#' 3 = Agriculture (Seasonal)
#' 5 = Settlements and Buildings
#' 6 = Water
#' 10 = Sparse Forest
#' 11 = Agriculture (Perennial)
#'
#' @format An S4 object of class RasterLayer.
#' @name lulc_yanze
#' @docType data
#' @details
#'     extent: 824728, 838128, -214942.7, -194282.7 (xmin, xmax, ymin, ymax)

#'
"lulc_yanze"