Nothing
#' @import methods compositions RColorBrewer
NULL
#
# #### variogram functions -------------
#
# ## theoretical structural functions
## S3 -> S4 classes
# # cat("creating variogram model classes\n")
# setOldClass("gmCgram")
# setOldClass("LMCAnisCompo")
# setOldClass("variogramModelList")
# setOldClass("variogramModel")
#
# # abstract classes
# #' @title Structural function model specification
# #' @description Abstract class, containing any specification of a variogram (or covariance) model
# #' @export
# setClassUnion(name="ModelStructuralFunctionSpecification",
# members=c("NULL","gmCgram", "LMCAnisCompo", "variogramModelList", "variogramModel"))
#
#
#
#
#
# #### container class --------------
# #' An S4 class to represent a Gaussian random field specification
# #'
# #' @slot structure ModelStructuralFunctionSpecification. Variogram or
# #' (generalised) covariance function specification, typically an object
# #' obtained from a call to functions such as \code{\link{setCgram}},
# #' \code{\link{LMCAnisCompo}} or \code{gstat::vgm}.
# #' @slot formula formula specifying the structure
# #' of dependence of the mean of the random field w.r.to spatial coordinates
# #' and/or covariables; typically it will have no left-hand-side term;
# #' @slot beta numeric, a vector with as many coefficients as terms the formula
# #' above requires for a full specification of the trend; if unknown, these can
# #' be NAs, as many as needed.
# #'
# #' @return A object with the slots populated as given
# #' @export
# #' @seealso [gmSpatialModel-class], and the `make.gm*` functions referenced there
# setClass("gmGaussianModel",
# slots = list(structure = "ModelStructuralFunctionSpecification",
# formula="formula",
# beta = "structure")
# )
#
#
# ## empirical structural functions
# # S3 -> S4 classes
# # cat("creating empirical variogram classes\n")
# setOldClass("gmEVario")
# setOldClass("logratioVariogram")
# setOldClass("logratioVariogramAnisotropy")
# setOldClass("gstatVariogram")
#
#
# # abstract classes
# #' @title Empirical structural function specification
# #' @description Abstract class, containing any specification of an empirical variogram (or covariance function, or variations)
# #' @export
# setClassUnion(name="EmpiricalStructuralFunctionSpecification", members=c("NULL","gmEVario", "logratioVariogram", "logratioVariogramAnisotropy", "gstatVariogram"))
#
#
#
# #' #### spatial method specifications --------------
# #' # S3 -> S4 classes
# #' # cat("creating spatial method parameter classes\n")
# #'
# #' setOldClass("gmKrigingNeighbourhood")
# #' setOldClass("gmDirectSamplingParameters")
# #' setOldClass("gmTurningBands")
# #' setOldClass("gmSequentialSimulation")
# #' setOldClass("gmCholeskyDecomposition")
# #' setOldClass("NfoldCrossValidation")
# #' setOldClass("LeaveOneOut")
# #'
# #' # abstract classes
# #' # cat("creating spatial method parameter classes: superclass creation\n")
# #'
# # #' @title Neighbourhood description
# # #' @description abstract class, containing any specification of a spatial neighbourhood
# # #' @export
# #' setClassUnion(name="gmNeighbourhoodSpecification", members=c("gmKrigingNeighbourhood","NULL"))
# #'
# # #' @title Validation strategy description
# # #' @description abstract class, containing any specification of a validation strategy for spatial models
# # #' @export
# #' setClassUnion(name="gmValidationStrategy",
# #' members=c("NULL",
# #' "LeaveOneOut",
# #' "NfoldCrossValidation"))
# #'
# # #' @title parameters for Multiple-Point Statistics methods
# # #' @description abstract class, containing any parameter specification of a spatial multipoint algorithm
# # #' @export
# #' setClassUnion(name="gmMPSParameters",
# #' members=c("gmDirectSamplingParameters","NULL"))
# #'
# #'
# # #' @title parameters for Gaussian Simulation methods
# # #' @description abstract class, containing any parameter specification of a spatial simulation algorithm
# # #' exploiting a Gaussian two-point model structure
# # #' @export
# #' setClassUnion(name="gmGaussianSimulationAlgorithm",
# #' members=c("gmSequentialSimulation",
# #' "gmTurningBands",
# #' "gmCholeskyDecomposition",
# #' "NULL") )
# #'
# # #' @title Parameter specification for a spatial simulation algorithm
# # #' @description abstract class, containing any parameter specification for a spatial simulation algorithm
# # #' @export
# #' setClassUnion(name="gmSimulationAlgorithm",
# #' members=c("gmGaussianSimulationAlgorithm",
# #' "gmMPSParameters"))
# #'
## #' @title parameters for Spatial Gaussian methods of any kind
## #' @description abstract class, containing any parameter specification for a spatial algorithm
## #' for interpolation, simulation or validation making use of Gaussian assumptions
## #' @export
## setClassUnion(name="gmGaussianMethodParameters",
## members=c("gmSequentialSimulation",
## "gmKrigingNeighbourhood",
## "gmValidationStrategy"))
##
##
## #' @title Parameter specification for any spatial method
## #' @description abstract class, containing any parameter specification for any spatial method
## #' @export
## setClassUnion(name="gmSpatialMethodParameters",
## members=c("NULL",
## "gmNeighbourhoodSpecification",
## "gmMPSParameters",
## "gmValidationStrategy")
## )
#
#
# #' @title MPS training image class
# #' @description abstract class, containing any specification of a multiple-point
# #' training image
# #' @export
#' setClassUnion(name="gmTrainingImage",
#' members=c("SpatialGridDataFrame",
#' "SpatialPixelsDataFrame")
#' )
#'
#'
# # @title General description of a spatial model
# # @description abstract class, containing any specification of an unconditional
# #' spatial model
# #' @export
# setClassUnion(name="gmUnconditionalSpatialModel",
# members=c("NULL",
# "gmGaussianModel",
# "gmTrainingImage")
# )
#
#' @title General description of a spatial data container
#' @description abstract class, containing any specification of a spatial data container
#' @export
setClassUnion(name="gmSpatialDataContainer",
members=c("NULL",
"SpatialPointsDataFrame",
"SpatialPixelsDataFrame",
"SpatialGridDataFrame")
)
### data containers -----------------
# S3 -> S4 classes
#cat("creating complex data container classes\n")
#setOldClass("gmMultiDataFrame", S4Class="data.frame")
setOldClass(c("DataFrameStack", S4Class="data.frame"))
# abstract classes
#' @title Superclass for grid or nothing
#' @description Superclass for slots containing a grid topology or being empty
#' @export
setClassUnion(name="GridOrNothing", members = c("NULL", "GridTopology"))
.onAttach <- function(libname, pkgname, ...){
utils::data("variogramModels")
## package startup message
packageStartupMessage("Welcome to 'gmGeostats', a package for multivariate geostatistical analysis.\n Note: use 'fit_lmc' instead of fit.lmc")
}
# vg.Gau <- vg.Gauss <- vg.gauss <- 0
# vg.Sph <- vg.Spherical <- vg.sph <- 1
# vg.Exp <- vg.Exponential <- vg.exp <- 2
# gsi.validModels <- 0:2
.onLoad <- function(libname, pkgname){
## set package options ----
# grid organisation
gridOrder = list(refpoint="topleft", cycle=1:2)
scaleClasses = list(continuous=c("acomp","aplus", "rcomp", "rplus", "rmult"), discrete=c("ccomp", "factor"))
o = list(gridOrder=gridOrder, scaleClasses=scaleClasses)
options(gmGeostats=o)
gsi.validModels <- 0:2
## set up generic functionality ---
# if(!exists("fit.lmc") | !isGeneric("fit.lmc")) fit.lmc <- function(v, ...) UseMethod("fit.lmc", v)
invisible()
}
.onUnload <- function(libpath){
library.dynam.unload("gmGeostats", libpath)
## remove package options ----
options(gmGeostats=NULL)
invisible()
}
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