##' QGIS Algorithm provided by SAGA Next Gen Variogram (sagang:variogram). ---------------- Arguments ---------------- POINTS: Points Argument type: source Acceptable values: - Path to a vector layer FIELD: Attribute Argument type: field Acceptable values: - The name of an existing field - ; delimited list of existing field names RESULT: Sample Variogram Argument type: vectorDestination Acceptable values: - Path for new vector layer DISTCOUNT: Initial Number of Distance Classes Default value: 100 Argument type: number Acceptable values: - 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 DISTMAX: Maximum Distance Default value: 0 Argument type: number Acceptable values: - 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 NSKIP: Skip Number Default value: 1 Argument type: number Acceptable values: - 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
##'
##' @title QGIS algorithm - Variogram
##'
##' @param POINTS `source` - Points. Path to a vector layer.
##' @param FIELD `field` - Attribute. The name of an existing field. ; delimited list of existing field names.
##' @param RESULT `vectorDestination` - Sample Variogram. Path for new vector layer.
##' @param DISTCOUNT `number` - Initial Number of Distance Classes. 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 DISTMAX `number` - Maximum Distance. 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 NSKIP `number` - Skip Number. 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 ... 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
##' * RESULT - outputVector - Sample Variogram
##'
##'
##' @export
##' @md
##' @importFrom qgisprocess qgis_run_algorithm
sagang_variogram <- function(POINTS = qgisprocess:::qgis_default_value(), FIELD = qgisprocess:::qgis_default_value(), RESULT = qgisprocess:::qgis_default_value(), DISTCOUNT = qgisprocess:::qgis_default_value(), DISTMAX = qgisprocess:::qgis_default_value(), NSKIP = qgisprocess:::qgis_default_value(),..., .complete_output = .complete_output_option(), .quiet = .quiet_option(), .messages = .message_option()) {
check_algorithm_necessities("sagang:variogram")
if (.messages){
output <- qgisprocess::qgis_run_algorithm("sagang:variogram", `POINTS` = POINTS, `FIELD` = FIELD, `RESULT` = RESULT, `DISTCOUNT` = DISTCOUNT, `DISTMAX` = DISTMAX, `NSKIP` = NSKIP,..., .quiet = .quiet)
} else {
suppressMessages(
output <- qgisprocess::qgis_run_algorithm("sagang:variogram", `POINTS` = POINTS, `FIELD` = FIELD, `RESULT` = RESULT, `DISTCOUNT` = DISTCOUNT, `DISTMAX` = DISTMAX, `NSKIP` = NSKIP,..., .quiet = .quiet)
)
}
if (.complete_output) {
return(output)
}
else{
qgisprocess::qgis_extract_output(output, "RESULT")
}
}
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