mapview: Interactive Viewing of Spatial Data in R

# if ( !isGeneric('slideView') ) {
#   setGeneric('slideView', function(img1, img2, ...)
#     standardGeneric('slideView'))
# }
#
# #' Compare two images trough interactive swiping overlay
# #'
# #' @title slideView
# #'
# #' @description
# #' This function is deprecated.
# #' Please use slideview::\code{\link[slideview]{slideView}} instead.
# #'
# #' @param img1 a RasterStack/Brick, RasterLayer or path to a .png file
# #' @param img2 a RasterStack/Brick, RasterLayer or path to a .png file
# #' @param label1 slider label for img1 (defaults to object name)
# #' @param label2 slider label for img2 (defaults to object name)
# #' @param r integer. Index of the Red channel, between 1 and nlayers(x)
# #' @param g integer. Index of the Green channel, between 1 and nlayers(x)
# #' @param b integer. Index of the Blue channel, between 1 and nlayers(x)
# #' @param maxpixels integer > 0. Maximum number of cells to use for the plot.
# #' If maxpixels < \code{ncell(x)}, sampleRegular is used before plotting.
# #' @param color the color palette to be used for visualising RasterLayers
# #' @param na.color the color to be used for NA pixels
# #' @param col.regions color (palette).See \code{\link[lattice]{levelplot}} for details.
# #' @param legend whether to plot legends for the two images (ignored for
# #' RatserStacks/*Bricks).
# #' @param ... additional arguments passed on to repective functions.
# #'
# #' @export
# #' @docType methods
# #' @name slideView
# #' @rdname slideView
# #' @aliases slideView,RasterStackBrick,RasterStackBrick-method
#
# setMethod("slideView", signature(img1 = "RasterStackBrick",
#                                  img2 = "RasterStackBrick"),
#           function(img1,
#                    img2,
#                    label1 = deparse(substitute(img1, env = parent.frame())),
#                    label2 = deparse(substitute(img2, env = parent.frame())),
#                    r = 3,
#                    g = 2,
#                    b = 1,
#                    na.color = mapviewGetOption("na.color"),
#                    maxpixels = mapviewGetOption("plainview.maxpixels"),
#                    ...) {
#
#             .Defunct(new = "slideview::slideView", package = "mapview")
#
#           }
#
# )
#
# ## RasterLayers ===========================================================
# #' @describeIn slideView for RasterLayers
# #'
# setMethod("slideView", signature(img1 = "RasterLayer",
#                                  img2 = "RasterLayer"),
#           function(img1,
#                    img2,
#                    label1 = deparse(substitute(img1, env = parent.frame())),
#                    label2 = deparse(substitute(img2, env = parent.frame())),
#                    legend = TRUE,
#                    col.regions = mapviewGetOption("raster.palette")(256),
#                    na.color = mapviewGetOption("na.color"),
#                    maxpixels = mapviewGetOption("plainview.maxpixels")) {
#
#             .Defunct(new = "slideview::slideView", package = "mapview")
#
#           }
#
# )
#
# ## RasterStackBrick, RasterLayer ===========================================================
# #' @describeIn slideView for RasterStackBrick, RasterLayer
# #'
# setMethod("slideView", signature(img1 = "RasterStackBrick",
#                                  img2 = "RasterLayer"),
#           function(img1,
#                    img2,
#                    label1 = deparse(substitute(img1, env = parent.frame())),
#                    label2 = deparse(substitute(img2, env = parent.frame())),
#                    legend = TRUE,
#                    r = 3,
#                    g = 2,
#                    b = 1,
#                    col.regions = mapviewGetOption("raster.palette")(256),
#                    na.color = mapviewGetOption("na.color"),
#                    maxpixels = mapviewGetOption("plainview.maxpixels"),
#                    ...) {
#
#             .Defunct(new = "slideview::slideView", package = "mapview")
#
#           }
#
# )
#
#
#
# ## RasterLayer, RasterStackBrick ===========================================================
# #' @describeIn slideView for RasterLayer, RasterStackBrick
# #'
# setMethod("slideView", signature(img1 = "RasterLayer",
#                                  img2 = "RasterStackBrick"),
#           function(img1,
#                    img2,
#                    label1 = deparse(substitute(img1, env = parent.frame())),
#                    label2 = deparse(substitute(img2, env = parent.frame())),
#                    legend = TRUE,
#                    r = 3,
#                    g = 2,
#                    b = 1,
#                    col.regions = mapviewGetOption("raster.palette")(256),
#                    na.color = mapviewGetOption("na.color"),
#                    maxpixels = mapviewGetOption("plainview.maxpixels"),
#                    ...) {
#
#             .Defunct(new = "slideview::slideView", package = "mapview")
#
#           }
#
# )
#
#
# ## png files ==============================================================
# #' @describeIn slideView for png files
#
# setMethod("slideView", signature(img1 = "character",
#                                  img2 = "character"),
#           function(img1, img2,
#                    label1 = deparse(substitute(img1, env = parent.frame())),
#                    label2 = deparse(substitute(img2, env = parent.frame()))) {
#
#             .Defunct(new = "slideview::slideView", package = "mapview")
#
#           }
#
# )
#
# #' Widget output function for use in Shiny
# #'
# #' @param outputId Output variable to read from
# #' @param width,height the width and height of the canas element
# #' (see \code{\link{shinyWidgetOutput}})
# #'
# #' @export
# slideViewOutput <- function(outputId, width = '100%', height = '400px'){
#   .Defunct(new = "slideview::slideViewOutput", package = "mapview")
# }
#
# #' Widget render function for use in Shiny
# #'
# #' @param expr An expression that generates an HTML widget
# #' @param env The environment in which to evaluate expr
# #' @param quoted Is expr a quoted expression (with quote())?
# #' This is useful if you want to save an expression in a variable
# #'
# #' @export
# renderslideView <- function(expr, env = parent.frame(), quoted = FALSE) {
#   .Defunct(new = "slideview::renderslideView", package = "mapview")
# }
#
#
# ## slideview ==============================================================
#
# if ( !isGeneric('slideview') ) {
#   setGeneric('slideview', function(...)
#     standardGeneric('slideview'))
# }
#
# #' @describeIn slideView alias for ease of typing
# #' @aliases slideview
# #' @export slideview
#
# setMethod('slideview', signature('ANY'),
#           function(...) {
#             .Defunct(new = "slideview::slideview", package = "mapview")
#           })
#
#