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#9 implementation for WCS Coverage descriptions
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,128 @@ | ||
| #' WCSCoverageDescription | ||
| #' | ||
| #' @docType class | ||
| #' @export | ||
| #' @keywords OGC WCS Coverage | ||
| #' @return Object of \code{\link{R6Class}} modelling a WCS coverage summary | ||
| #' @format \code{\link{R6Class}} object. | ||
| #' | ||
| #' @note Class used internally by ows4R. | ||
| #' | ||
| #' @author Emmanuel Blondel <emmanuel.blondel1@@gmail.com> | ||
| #' | ||
| WCSCoverageDescription <- R6Class("WCSCoverageDescription", | ||
| inherit = geometa::GMLCOVAbstractCoverage, | ||
| private = list( | ||
| version = NA, | ||
| owsVersion = NA, | ||
| #fetchCoverageDescription (for WCS version 1 elements) | ||
| fetchCoverageDescription = function(xmlObj, serviceVersion, owsVersion){ | ||
| children <- xmlChildren(xmlObj) | ||
|
|
||
| covId <- switch(substr(serviceVersion,1,3), | ||
| "1.0" = xmlValue(children$name), | ||
| "1.1" = xmlValue(children$Identifier) | ||
| ) | ||
|
|
||
| supportedCrs <- list() | ||
| if(substr(serviceVersion,1,3)=="1.0"){ | ||
| crsList <- children[names(children) == "supportedCRSs"][[1]] | ||
| supportedCrs <- as.vector(sapply(xmlChildren(crsList), xmlValue)) | ||
| }else{ | ||
| supportedCrs <- as.vector(sapply(children[names(children) == "SupportedCRS"], xmlValue)) | ||
| } | ||
|
|
||
| supportedFormats <- list() | ||
| if(substr(serviceVersion,1,3)=="1.0"){ | ||
| formatList <- children[names(children) == "supportedFormats"][[1]] | ||
| supportedFormats <- as.vector(sapply(xmlChildren(formatList), xmlValue)) | ||
| }else{ | ||
| supportedFormats <- as.vector(sapply(children[names(children) == "SupportedFormat"], xmlValue)) | ||
| } | ||
|
|
||
| domain <- NULL | ||
| if(substr(serviceVersion,1,3)=="1.0"){ | ||
| domain <- WCSCoverageDomain$new(xmlObj = children$domainSet, serviceVersion, owsVersion) | ||
| }else if(substr(serviceVersion,1,3)=="1.1"){ | ||
| domain <- WCSCoverageDomain$new(xmlObj = children$Domain, serviceVersion, owsVersion) | ||
| } | ||
|
|
||
| range <- children$Range #TODO | ||
|
|
||
| covDescription <- list( | ||
| CoverageId = covId, | ||
| SupportedCRS = supportedCrs, | ||
| SupportedFormat = supportedFormats, | ||
| Domain = domain, | ||
| Range = range | ||
| ) | ||
| return(covDescription) | ||
| } | ||
| ), | ||
| public = list( | ||
| #'@field CoverageId coverage ID | ||
| CoverageId = NULL, | ||
| #'@field SupportedCRS supported CRS | ||
| SupportedCRS = list(), | ||
| #'@field SupportedFormat supported Format | ||
| SupportedFormat = list(), | ||
| #'@field Domain domain | ||
| Domain = list(), | ||
| #'@field Range range | ||
| Range = list(), | ||
| #'@field ServiceParameters service parmaeters | ||
| ServiceParameters = list(), | ||
|
|
||
| #'@description Initializes an object of class \link{WCSCoverageDescription} | ||
| #'@param xmlObj an object of class \link{XMLInternalNode-class} to initialize from XML | ||
| #'@param serviceVersion service version | ||
| #'@param owsVersion OWS version | ||
| #'@param logger logger | ||
| initialize = function(xmlObj, serviceVersion, owsVersion, logger = NULL){ | ||
| super$initialize(xml = xmlObj) | ||
| private$version = serviceVersion | ||
| private$owsVersion = owsVersion | ||
| if(startsWith(serviceVersion, "1")){ | ||
| covDescription <- private$fetchCoverageDescription(xmlObj, serviceVersion, owsVersion) | ||
| self$CoverageId <- covDescription$CoverageId | ||
| self$SupportedCRS <- covDescription$SupportedCRS | ||
| self$SupportedFormat <- covDescription$SupportedFormat | ||
| self$Domain <- covDescription$Domain | ||
| self$Range <- covDescription$Range | ||
| } | ||
| }, | ||
|
|
||
| #'@description getId | ||
| #'@return the coverage id, object of class \code{character} | ||
| getId = function(){ | ||
| id <- NULL | ||
| if(startsWith(private$version, "1")){ | ||
| id <- self$CoverageId | ||
| }else if(startsWith(private$version, "2")){ | ||
| id <- self$attrs[["gml:id"]] | ||
| } | ||
| return(id) | ||
| }, | ||
|
|
||
| #'@description getSupported CRS. Applies to WCS 1 coverage descriptions | ||
| getSupportedCRS = function(){ | ||
| return(self$SupportedCRS) | ||
| }, | ||
|
|
||
| #'@description get supported formats. Applies to WCS 1 coverage descriptions | ||
| getSupportedFormats = function(){ | ||
| return(self$SupportedFormat) | ||
| }, | ||
|
|
||
| #'@description get domain. Applies to WCS 1 coverage descriptions | ||
| getDomain = function(){ | ||
| return(self$Domain) | ||
| }, | ||
|
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||
| #'@description get range. Applies to WCS 1.0 coverage descriptions | ||
| getRange = function(){ | ||
| return(self$Range) | ||
| } | ||
|
|
||
| ) | ||
| ) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,100 @@ | ||
| #' WCSCoverageDomain | ||
| #' | ||
| #' @docType class | ||
| #' @export | ||
| #' @keywords OGC WCS Coverage domain | ||
| #' @return Object of \code{\link{R6Class}} modelling a WCS coverage domain | ||
| #' @format \code{\link{R6Class}} object. | ||
| #' | ||
| #' @note Class used internally by ows4R. | ||
| #' | ||
| #' @author Emmanuel Blondel <emmanuel.blondel1@@gmail.com> | ||
| #' | ||
| WCSCoverageDomain <- R6Class("WCSCoverageDomain", | ||
| inherit = OGCAbstractObject, | ||
| private = list( | ||
| capabilities = NULL, | ||
| url = NA, | ||
| version = NA, | ||
|
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||
| #fetchDomain | ||
| fetchDomain = function(xmlObj, serviceVersion, owsVersion){ | ||
|
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| children <- xmlChildren(xmlObj) | ||
|
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| #spatialDomain | ||
| spatialDomain <- NULL | ||
| if(startsWith(serviceVersion, "1.0")){ | ||
| if("spatialDomain" %in% names(children)){ | ||
| spatialDomain <- WCSCoverageSpatialDomain$new( | ||
| xmlObj = children$spatialDomain, | ||
| serviceVersion, owsVersion | ||
| ) | ||
| } | ||
| }else if(startsWith(serviceVersion, "1.1")){ | ||
| if("SpatialDomain" %in% names(children)){ | ||
| spatialDomain <- WCSCoverageSpatialDomain$new( | ||
| xmlObj = children$SpatialDomain, | ||
| serviceVersion, owsVersion | ||
| ) | ||
| } | ||
| } | ||
|
|
||
| #temporalDomain | ||
| temporalDomain <- NULL | ||
| if(startsWith(serviceVersion, "1.0")){ | ||
| if("temporalDomain" %in% names(children)){ | ||
| temporalDomain <- WCSCoverageTemporalDomain$new( | ||
| xmlObj = children$temporalDomain, | ||
| serviceVersion, owsVersion | ||
| ) | ||
| } | ||
| }else if(startsWith(serviceVersion, "1.1")){ | ||
| if("TemporalDomain" %in% names(children)){ | ||
| temporalDomain <- WCSCoverageTemporalDomain$new( | ||
| xmlObj = children$TemporalDomain, | ||
| serviceVersion, owsVersion | ||
| ) | ||
| } | ||
| } | ||
|
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||
| domain <- list( | ||
| spatialDomain = spatialDomain, | ||
| temporalDomain = temporalDomain | ||
| ) | ||
| return(domain) | ||
| } | ||
|
|
||
| ), | ||
| public = list( | ||
| #'@field spatialDomain spatial domain | ||
| spatialDomain = NULL, | ||
| #'@field temporalDomain temporal domain | ||
| temporalDomain = NULL, | ||
|
|
||
| #'@description Initializes an object of class \link{WCSCoverageDomain} | ||
| #'@param xmlObj an object of class \link{XMLInternalNode-class} to initialize from XML | ||
| #'@param serviceVersion service version | ||
| #'@param owsVersion OWS version | ||
| #'@param logger logger | ||
| initialize = function(xmlObj, serviceVersion, owsVersion, logger = NULL){ | ||
| super$initialize(logger = logger) | ||
| domain = private$fetchDomain(xmlObj, serviceVersion, owsVersion) | ||
| self$spatialDomain = domain$spatialDomain | ||
| self$temporalDomain = domain$temporalDomain | ||
| }, | ||
|
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||
| #'@description Get spatial domain | ||
| #'@return object of class \link{WCSCoverageSpatialDomain} | ||
| getSpatialDomain = function(){ | ||
| return(self$spatialDomain) | ||
| }, | ||
|
|
||
| #'@description Get spatial domain | ||
| #'@return object of class \link{WCSCoverageTemporalDomain} | ||
| getTemporalDomain = function(){ | ||
| return(self$temporalDomain) | ||
| } | ||
|
|
||
| ) | ||
| ) |
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