##' QGIS Algorithm provided by GRASS v.net.distance (grass:v.net.distance). Computes shortest distance via the network between the given sets of features.
##'
##' @title QGIS algorithm - v.net.distance
##'
##' @param input `source` - Input vector line layer (network). Path to a vector layer.
##' @param flayer `source` - Input vector from points layer (from). Path to a vector layer.
##' @param tlayer `source` - Input vector to layer (to). Path to a vector layer.
##' @param threshold `number` - Threshold for connecting nodes to the network (in map unit). 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 arc_type `enum` of `("line", "boundary")` - Arc type. Number of selected option, e.g. '1'. Comma separated list of options, e.g. '1,3'.
##' @param from_cats `string` - From Category values. 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 from_where `string` - From WHERE conditions of SQL statement without 'where' keyword. 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 to_type `enum` of `("point", "line", "boundary")` - To feature type. Number of selected option, e.g. '1'. Comma separated list of options, e.g. '1,3'.
##' @param to_cats `string` - To Category values. 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 to_where `string` - To WHERE conditions of SQL statement without 'where' keyword. 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 arc_column `field` - Arc forward\code{/}both direction(s) cost column (number). The name of an existing field. ; delimited list of existing field names.
##' @param arc_backward_column `field` - Arc backward direction cost column (number). The name of an existing field. ; delimited list of existing field names.
##' @param node_column `field` - Node cost column (number). The name of an existing field. ; delimited list of existing field names.
##' @param .g `boolean` - Use geodesic calculation for longitude-latitude locations. 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: -g.
##' @param .l `boolean` - Write each output path as one line, not as original input segments. 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: -l.
##' @param output `vectorDestination` - Network_Distance. Path for new vector 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_SNAP_TOLERANCE_PARAMETER `number` - v.in.ogr snap tolerance (-1 = no snap). 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_MIN_AREA_PARAMETER `number` - v.in.ogr min area. 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_OUTPUT_TYPE_PARAMETER `enum` of `("auto", "point", "line", "area")` - v.out.ogr output type. Number of selected option, e.g. '1'. Comma separated list of options, e.g. '1,3'.
##' @param GRASS_VECTOR_DSCO `string` - v.out.ogr output data source options (dsco). 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_VECTOR_LCO `string` - v.out.ogr output layer options (lco). 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_VECTOR_EXPORT_NOCAT `boolean` - Also export features without category (not labeled). Otherwise only features with category are exported. 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.
##' @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 - outputVector - Network_Distance
##'
##'
##' @export
##' @md
##' @importFrom qgisprocess qgis_run_algorithm
grass_v_net_distance <- function(input = qgisprocess:::qgis_default_value(), flayer = qgisprocess:::qgis_default_value(), tlayer = qgisprocess:::qgis_default_value(), threshold = qgisprocess:::qgis_default_value(), arc_type = qgisprocess:::qgis_default_value(), from_cats = qgisprocess:::qgis_default_value(), from_where = qgisprocess:::qgis_default_value(), to_type = qgisprocess:::qgis_default_value(), to_cats = qgisprocess:::qgis_default_value(), to_where = qgisprocess:::qgis_default_value(), arc_column = qgisprocess:::qgis_default_value(), arc_backward_column = qgisprocess:::qgis_default_value(), node_column = qgisprocess:::qgis_default_value(), .g = qgisprocess:::qgis_default_value(), .l = qgisprocess:::qgis_default_value(), output = qgisprocess:::qgis_default_value(), GRASS_REGION_PARAMETER = qgisprocess:::qgis_default_value(), GRASS_SNAP_TOLERANCE_PARAMETER = qgisprocess:::qgis_default_value(), GRASS_MIN_AREA_PARAMETER = qgisprocess:::qgis_default_value(), GRASS_OUTPUT_TYPE_PARAMETER = qgisprocess:::qgis_default_value(), GRASS_VECTOR_DSCO = qgisprocess:::qgis_default_value(), GRASS_VECTOR_LCO = qgisprocess:::qgis_default_value(), GRASS_VECTOR_EXPORT_NOCAT = qgisprocess:::qgis_default_value(),..., .complete_output = .complete_output_option(), .quiet = .quiet_option(), .messages = .message_option()) {
check_algorithm_necessities("grass:v.net.distance")
if (.messages){
output <- qgisprocess::qgis_run_algorithm("grass:v.net.distance", `input` = input, `flayer` = flayer, `tlayer` = tlayer, `threshold` = threshold, `arc_type` = arc_type, `from_cats` = from_cats, `from_where` = from_where, `to_type` = to_type, `to_cats` = to_cats, `to_where` = to_where, `arc_column` = arc_column, `arc_backward_column` = arc_backward_column, `node_column` = node_column, `-g` = .g, `-l` = .l, `output` = output, `GRASS_REGION_PARAMETER` = GRASS_REGION_PARAMETER, `GRASS_SNAP_TOLERANCE_PARAMETER` = GRASS_SNAP_TOLERANCE_PARAMETER, `GRASS_MIN_AREA_PARAMETER` = GRASS_MIN_AREA_PARAMETER, `GRASS_OUTPUT_TYPE_PARAMETER` = GRASS_OUTPUT_TYPE_PARAMETER, `GRASS_VECTOR_DSCO` = GRASS_VECTOR_DSCO, `GRASS_VECTOR_LCO` = GRASS_VECTOR_LCO, `GRASS_VECTOR_EXPORT_NOCAT` = GRASS_VECTOR_EXPORT_NOCAT,..., .quiet = .quiet)
} else {
suppressMessages(
output <- qgisprocess::qgis_run_algorithm("grass:v.net.distance", `input` = input, `flayer` = flayer, `tlayer` = tlayer, `threshold` = threshold, `arc_type` = arc_type, `from_cats` = from_cats, `from_where` = from_where, `to_type` = to_type, `to_cats` = to_cats, `to_where` = to_where, `arc_column` = arc_column, `arc_backward_column` = arc_backward_column, `node_column` = node_column, `-g` = .g, `-l` = .l, `output` = output, `GRASS_REGION_PARAMETER` = GRASS_REGION_PARAMETER, `GRASS_SNAP_TOLERANCE_PARAMETER` = GRASS_SNAP_TOLERANCE_PARAMETER, `GRASS_MIN_AREA_PARAMETER` = GRASS_MIN_AREA_PARAMETER, `GRASS_OUTPUT_TYPE_PARAMETER` = GRASS_OUTPUT_TYPE_PARAMETER, `GRASS_VECTOR_DSCO` = GRASS_VECTOR_DSCO, `GRASS_VECTOR_LCO` = GRASS_VECTOR_LCO, `GRASS_VECTOR_EXPORT_NOCAT` = GRASS_VECTOR_EXPORT_NOCAT,..., .quiet = .quiet)
)
}
if (.complete_output) {
return(output)
}
else{
qgisprocess::qgis_extract_output(output, "output")
}
}
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