qgis_listuniquevalues: QGIS algorithm - List unique values

In JanCaha/r_package_qgis: An extension of package "qgisprocess" providing direct R functions for QGIS functions

QGIS algorithm - List unique values

Description

QGIS Algorithm provided by QGIS List unique values (qgis:listuniquevalues). This algorithm generates a report with information about the unique values found in a given attribute (or attributes) of a vector layer.

Usage

qgis_listuniquevalues(
  INPUT = qgisprocess:::qgis_default_value(),
  FIELDS = qgisprocess:::qgis_default_value(),
  OUTPUT = qgisprocess:::qgis_default_value(),
  OUTPUT_HTML_FILE = qgisprocess:::qgis_default_value(),
  ...,
  .complete_output = .complete_output_option(),
  .quiet = .quiet_option(),
  .messages = .message_option()
)

Arguments

INPUT	source - Input layer. Path to a vector layer.
FIELDS	field - Target field(s). The name of an existing field. ; delimited list of existing field names.
OUTPUT	sink - Unique values. Path for new vector layer.
OUTPUT_HTML_FILE	fileDestination - HTML report. Path for new file.
...	further parameters passed to qgisprocess::qgis_run_algorithm()
.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.
.quiet	logical specifying if parameter .quiet for qgisprocess::qgis_run_algorithm() Default value is TRUE.
.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 - Unique values

• OUTPUT_HTML_FILE - outputHtml - HTML report

• TOTAL_VALUES - outputNumber - Total unique values

• UNIQUE_VALUES - outputString - Unique values

JanCaha/r_package_qgis documentation built on Nov. 3, 2024, 5:25 p.m.