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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,72 @@ | ||
| #' ISOImageryGCPCollection | ||
| #' | ||
| #' @docType class | ||
| #' @importFrom R6 R6Class | ||
| #' @export | ||
| #' @keywords ISO imagery gcp collection | ||
| #' @return Object of \code{\link{R6Class}} for modelling an ISO imagery gcp collection | ||
| #' @format \code{\link{R6Class}} object. | ||
| #' | ||
| #' @section Methods: | ||
| #' \describe{ | ||
| #' \item{\code{new(xml)}}{ | ||
| #' This method is used to instantiate an \code{\link{ISOImageryGCPCollection}} | ||
| #' } | ||
| #' \item{\code{setCollectionIdentification(id)}}{ | ||
| #' Set the identifier, object of class \code{integer} | ||
| #' } | ||
| #' \item{\code{setCollectionName(name, locales)}}{ | ||
| #' Sets a name (object of class "character"). Locale names can be | ||
| #' specified as \code{list} with the \code{locales} argument. | ||
| #' } | ||
| #' \item{\code{setCoordinateReferenceSystem(crs)}}{ | ||
| #' Sets the crs, object of class \code{\link{ISOReferenceSystem}} | ||
| #' } | ||
| #' \item{\code{addGCP(gcp)}}{ | ||
| #' Adds a GCP, object of class \code{\link{ISOImageryGCP}} | ||
| #' } | ||
| #' \item{\code{delGCP(gcp)}}{ | ||
| #' Deletes a GCP, object of class \code{\link{ISOImageryGCP}} | ||
| #' } | ||
| #' } | ||
| #' | ||
| #' @examples | ||
| #' md <- ISOImageryGCP$new() | ||
| #' require(sf) | ||
| #' pt <- sf::st_point(c(1,1)) | ||
| #' md$setGeographicCoordinates(sfg = pt) | ||
| #' xml <- md$encode() | ||
| #' | ||
| #' @references | ||
| #' ISO 19115-2:2009 - Geographic information -- Metadata Part 2: Extensions for imagery and gridded data | ||
| #' | ||
| #' @author Emmanuel Blondel <emmanuel.blondel1@@gmail.com> | ||
| #' | ||
| ISOImageryGCP <- R6Class("ISOImageryGCP", | ||
| inherit = GMLAbstractObject, | ||
| private = list( | ||
| xmlElement = "MI_GCP", | ||
| xmlNamespacePrefix = "GMI" | ||
| ), | ||
| public = list( | ||
| geographicCoordinates = matrix(NA_real_, 1, 2), | ||
| initialize = function(xml = NULL){ | ||
| super$initialize(xml = xml) | ||
| }, | ||
|
|
||
| #setGeographicCoordinates | ||
| setGeographicCoordinates = function(sfg = NULL, m = NULL){ | ||
| if(!is.null(sfg)){ | ||
| if(!is(sfg, c("sfg","POINT"))) stop("Input 'sfg' object should be a 'point'") | ||
| m <- as.matrix(sfg) | ||
| }else if(!is.null(m)){ | ||
| if(!is.matrix(m)){ | ||
| stop("The argument 'm' should a matrix") | ||
| } | ||
| } | ||
| self$geographicCoordinates <- GMLElement$create(element = "geographicCoordinates", xmlNamespacePrefix = "GMI") | ||
| self$geographicCoordinates$pos <- GMLElement$create(element = "pos", value = m) | ||
| } | ||
| ) | ||
| ) | ||
|
|
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| # test_ISOImageryGCP.R | ||
| # Author: Emmanuel Blondel <emmanuel.blondel1@gmail.com> | ||
| # | ||
| # Description: Unit tests for ISOImageryGCP.R | ||
| #======================= | ||
| require(geometa, quietly = TRUE) | ||
| require(sf, quietly = TRUE) | ||
| require(testthat) | ||
|
|
||
| context("ISOImageryGCP") | ||
|
|
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| test_that("encoding",{ | ||
|
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| #encoding | ||
| md <- ISOImageryGCP$new() | ||
| pt <- sf::st_point(c(0,0)) | ||
| md$setGeographicCoordinates(sfg = pt) | ||
|
|
||
| expect_is(md, "ISOImageryGCP") | ||
| xml <- md$encode() | ||
| expect_is(xml, "XMLInternalNode") | ||
|
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| #decoding | ||
| md2 <- ISOImageryGCP$new(xml = xml) | ||
| xml2 <- md2$encode() | ||
|
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| expect_true(ISOAbstractObject$compare(md, md2)) | ||
|
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| }) |