##' QGIS Algorithm provided by GRASS r.resamp.stats (grass:r.resamp.stats). Resamples raster layers to a coarser grid using aggregation.
##'
##' @title QGIS algorithm - r.resamp.stats
##'
##' @param input `raster` - Input raster layer. Path to a raster layer.
##' @param method `enum` of `("average", "median", "mode", "minimum", "maximum", "quart1", "quart3", "perc90", "sum", "variance", "stddev", "quantile")` - Aggregation method. Number of selected option, e.g. '1'. Comma separated list of options, e.g. '1,3'.
##' @param quantile `number` - Quantile to calculate for method=quantile. A numeric value. field:FIELD_NAME to use a data defined value taken from the FIELD_NAME field. expression:SOME EXPRESSION to use a data defined value calculated using a custom QGIS expression.
##' @param .n `boolean` - Propagate NULLs. 1 for true/yes. 0 for false/no. field:FIELD_NAME to use a data defined value taken from the FIELD_NAME field. expression:SOME EXPRESSION to use a data defined value calculated using a custom QGIS expression. Original algorithm parameter name: -n.
##' @param .w `boolean` - Weight according to area (slower). 1 for true/yes. 0 for false/no. field:FIELD_NAME to use a data defined value taken from the FIELD_NAME field. expression:SOME EXPRESSION to use a data defined value calculated using a custom QGIS expression. Original algorithm parameter name: -w.
##' @param output `rasterDestination` - Resampled aggregated. Path for new raster layer.
##' @param GRASS_REGION_PARAMETER `extent` - GRASS GIS region extent. A comma delimited string of x min, x max, y min, y max. E.g. '4,10,101,105'. Path to a layer. The extent of the layer is used..
##' @param GRASS_REGION_CELLSIZE_PARAMETER `number` - GRASS GIS region cellsize (leave 0 for default). A numeric value. field:FIELD_NAME to use a data defined value taken from the FIELD_NAME field. expression:SOME EXPRESSION to use a data defined value calculated using a custom QGIS expression.
##' @param GRASS_RASTER_FORMAT_OPT `string` - Output Rasters format options (createopt). String value. field:FIELD_NAME to use a data defined value taken from the FIELD_NAME field. expression:SOME EXPRESSION to use a data defined value calculated using a custom QGIS expression.
##' @param GRASS_RASTER_FORMAT_META `string` - Output Rasters format metadata options (metaopt). String value. field:FIELD_NAME to use a data defined value taken from the FIELD_NAME field. expression:SOME EXPRESSION to use a data defined value calculated using a custom QGIS expression.
##' @param ... further parameters passed to `qgisprocess::qgis_run_algorithm()`
##' @param .complete_output logical specifying if complete out of `qgisprocess::qgis_run_algorithm()` should be used (`TRUE`) or first output (most likely the main) should read (`FALSE`). Default value is `TRUE`.
##' @param .quiet logical specifying if parameter `.quiet` for `qgisprocess::qgis_run_algorithm()` Default value is `TRUE`.
##' @param .messages logical specifying if messages from `qgisprocess::qgis_run_algorithm()` should be printed (`TRUE`) or not (`FALSE`). Default value is `FALSE`.
##'
##' @details
##' ## Outputs description
##' * output - outputRaster - Resampled aggregated
##'
##'
##' @export
##' @md
##' @importFrom qgisprocess qgis_run_algorithm
grass_r_resamp_stats <- function(input = qgisprocess:::qgis_default_value(), method = qgisprocess:::qgis_default_value(), quantile = qgisprocess:::qgis_default_value(), .n = qgisprocess:::qgis_default_value(), .w = qgisprocess:::qgis_default_value(), output = qgisprocess:::qgis_default_value(), GRASS_REGION_PARAMETER = qgisprocess:::qgis_default_value(), GRASS_REGION_CELLSIZE_PARAMETER = qgisprocess:::qgis_default_value(), GRASS_RASTER_FORMAT_OPT = qgisprocess:::qgis_default_value(), GRASS_RASTER_FORMAT_META = qgisprocess:::qgis_default_value(),..., .complete_output = .complete_output_option(), .quiet = .quiet_option(), .messages = .message_option()) {
check_algorithm_necessities("grass:r.resamp.stats")
if (.messages){
output <- qgisprocess::qgis_run_algorithm("grass:r.resamp.stats", `input` = input, `method` = method, `quantile` = quantile, `-n` = .n, `-w` = .w, `output` = output, `GRASS_REGION_PARAMETER` = GRASS_REGION_PARAMETER, `GRASS_REGION_CELLSIZE_PARAMETER` = GRASS_REGION_CELLSIZE_PARAMETER, `GRASS_RASTER_FORMAT_OPT` = GRASS_RASTER_FORMAT_OPT, `GRASS_RASTER_FORMAT_META` = GRASS_RASTER_FORMAT_META,..., .quiet = .quiet)
} else {
suppressMessages(
output <- qgisprocess::qgis_run_algorithm("grass:r.resamp.stats", `input` = input, `method` = method, `quantile` = quantile, `-n` = .n, `-w` = .w, `output` = output, `GRASS_REGION_PARAMETER` = GRASS_REGION_PARAMETER, `GRASS_REGION_CELLSIZE_PARAMETER` = GRASS_REGION_CELLSIZE_PARAMETER, `GRASS_RASTER_FORMAT_OPT` = GRASS_RASTER_FORMAT_OPT, `GRASS_RASTER_FORMAT_META` = GRASS_RASTER_FORMAT_META,..., .quiet = .quiet)
)
}
if (.complete_output) {
return(output)
}
else{
qgisprocess::qgis_extract_output(output, "output")
}
}
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