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#' ISODimension
#'
#' @docType class
#' @importFrom R6 R6Class
#' @export
#' @keywords ISO dimension
#' @return Object of \code{\link{R6Class}} for modelling an ISO Dimension
#' @format \code{\link{R6Class}} object.
#'
#' @examples
#' #create dimension
#' md <- ISODimension$new()
#' md$setName("row")
#' md$setSize(1)
#' md$setResolution(ISOLength$new(value=1,uom="m"))
#' xml <- md$encode()
#'
#' @references
#' ISO 19115:2003 - Geographic information -- Metadata
#'
#' @author Emmanuel Blondel <emmanuel.blondel1@@gmail.com>
#'
ISODimension <- R6Class("ISODimension",
inherit = ISOAbstractObject,
private = list(
xmlElement = "MD_Dimension",
xmlNamespacePrefix = "GMD"
),
public = list(
#'@field dimensionName dimensionName [1..1]: ISODimensionNameType
dimensionName = NULL,
#'@field dimensionSize dimensionSize [1..1]: integer
dimensionSize = NULL,
#'@field resolution resolution [0..1]: ISOMeasure or subclass
resolution = NULL,
#'@description Initializes object
#'@param xml object of class \link{XMLInternalNode-class}
initialize = function(xml = NULL){
super$initialize(xml = xml)
},
#'@description Set name
#'@param name object of class \link{ISODimensionNameType} or any \link{character}
#' among values returned by \code{ISODimensionNameType$values()}
setName = function(name){
if(!is(name, "ISODimensionNameType")){
name <- ISODimensionNameType$new(value = name)
}
self$dimensionName <- name
},
#'@description Set size
#'@param size object of class \link{integer}
setSize = function(size){
newSize <- as.integer(size)
if(is.na(newSize)){
stop(sprintf("Value '%s' cannot be coerced to 'integer'", size))
}
self$dimensionSize <- newSize
},
#'@description Sets the resolution
#'@param resolution object of class \code{\link{ISOMeasure}} or any subclass
#' \code{\link{ISOLength}}, \code{\link{ISODistance}}, \code{\link{ISOAngle}}, \code{\link{ISOScale}}
setResolution = function(resolution){
if(!is(resolution, "ISOMeasure")){
stop("Argument should be an object of class (or subclass of) 'ISOMeasure'")
}
self$resolution <- resolution
}
)
)
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