gdal_gdal2tiles: QGIS algorithm - gdal2tiles

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

QGIS algorithm - gdal2tiles

Description

QGIS Algorithm provided by GDAL gdal2tiles (gdal:gdal2tiles). —————- Arguments —————- INPUT: Input layer Argument type: raster Acceptable values: - Path to a raster layer PROFILE: Tile cutting profile Default value: 0 Argument type: enum Available values: - 0: Mercator - 1: Geodetic - 2: Raster Acceptable values: - Number of selected option, e.g. '1' - Comma separated list of options, e.g. '1,3' ZOOM: Zoom levels to render (optional) Default value: Argument type: string Acceptable 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 VIEWER: Web viewer to generate Default value: 0 Argument type: enum Available values: - 0: All - 1: GoogleMaps - 2: OpenLayers - 3: Leaflet - 4: None Acceptable values: - Number of selected option, e.g. '1' - Comma separated list of options, e.g. '1,3' TITLE: Title of the map (optional) Argument type: string Acceptable 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 COPYRIGHT: Copyright of the map (optional) Argument type: string Acceptable 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 RESAMPLING: Resampling method Default value: 0 Argument type: enum Available values: - 0: Average - 1: Nearest Neighbour - 2: Bilinear (2x2 Kernel) - 3: Cubic (4x4 Kernel) - 4: Cubic B-Spline (4x4 Kernel) - 5: Lanczos (6x6 Kernel) - 6: Antialias Acceptable values: - Number of selected option, e.g. '1' - Comma separated list of options, e.g. '1,3' SOURCE_CRS: The spatial reference system used for the source input data (optional) Argument type: crs Acceptable values: - CRS as an auth ID (e.g. 'EPSG:3111') - CRS as a PROJ4 string (e.g. 'PROJ4:…') - CRS as a WKT string (e.g. 'WKT:…') - Path to a layer. The CRS of the layer is used. NODATA: Transparency value to assign to the input data (optional) 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 URL: URL address where the generated tiles are going to be published (optional) Argument type: string Acceptable 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 GOOGLE_KEY: Google Maps API key (http://code.google.com/apis/maps/signup.html) (optional) Argument type: string Acceptable 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 BING_KEY: Bing Maps API key (https://www.bingmapsportal.com/) (optional) Argument type: string Acceptable 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 RESUME: Generate only missing files Default value: false Argument type: boolean Acceptable values: - 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 KML: Generate KML for Google Earth Default value: false Argument type: boolean Acceptable values: - 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 NO_KML: Avoid automatic generation of KML files for EPSG:4326 Default value: false Argument type: boolean Acceptable values: - 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 OUTPUT: Output directory Argument type: folderDestination Acceptable values: - Path for an existing or new folder

Usage

gdal_gdal2tiles(
  INPUT = qgisprocess:::qgis_default_value(),
  PROFILE = qgisprocess:::qgis_default_value(),
  ZOOM = qgisprocess:::qgis_default_value(),
  VIEWER = qgisprocess:::qgis_default_value(),
  TITLE = qgisprocess:::qgis_default_value(),
  COPYRIGHT = qgisprocess:::qgis_default_value(),
  RESAMPLING = qgisprocess:::qgis_default_value(),
  SOURCE_CRS = qgisprocess:::qgis_default_value(),
  NODATA = qgisprocess:::qgis_default_value(),
  URL = qgisprocess:::qgis_default_value(),
  GOOGLE_KEY = qgisprocess:::qgis_default_value(),
  BING_KEY = qgisprocess:::qgis_default_value(),
  RESUME = qgisprocess:::qgis_default_value(),
  KML = qgisprocess:::qgis_default_value(),
  NO_KML = qgisprocess:::qgis_default_value(),
  OUTPUT = qgisprocess:::qgis_default_value(),
  ...,
  .complete_output = .complete_output_option(),
  .quiet = .quiet_option(),
  .messages = .message_option()
)

Arguments

INPUT	raster - Input layer. Path to a raster layer.
PROFILE	enum of ⁠("Mercator", "Geodetic", "Raster")⁠ - Tile cutting profile. Number of selected option, e.g. '1'. Comma separated list of options, e.g. '1,3'.
ZOOM	string - Zoom levels to render. 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.
VIEWER	enum of ⁠("All", "GoogleMaps", "OpenLayers", "Leaflet", "None")⁠ - Web viewer to generate. Number of selected option, e.g. '1'. Comma separated list of options, e.g. '1,3'.
TITLE	string - Title of the map. 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.
COPYRIGHT	string - Copyright of the map. 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.
RESAMPLING	enum of ⁠("Average", "Nearest Neighbour", "Bilinear (2x2 Kernel)", "Cubic (4x4 Kernel)", "Cubic B-Spline (4x4 Kernel)", "Lanczos (6x6 Kernel)", "Antialias")⁠ - Resampling method. Number of selected option, e.g. '1'. Comma separated list of options, e.g. '1,3'.
SOURCE_CRS	crs - The spatial reference system used for the source input data. CRS as an auth ID (e.g. 'EPSG:3111'). CRS as a PROJ4 string (e.g. 'PROJ4:…'). CRS as a WKT string (e.g. 'WKT:…'). Path to a layer. The CRS of the layer is used..
NODATA	number - Transparency value to assign to the input data. 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.
URL	string - URL address where the generated tiles are going to be published. 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.
GOOGLE_KEY	string - Google Maps API key (http://code.google.com/apis/maps/signup.html). 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.
BING_KEY	string - Bing Maps API key (https://www.bingmapsportal.com/). 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.
RESUME	boolean - Generate only missing files. 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.
KML	boolean - Generate KML for Google Earth. 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.
NO_KML	boolean - Avoid automatic generation of KML files for EPSG:4326. 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.
OUTPUT	folderDestination - Output directory. Path for an existing or new folder.
...	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 - outputFolder - Output directory

JanCaha/r_package_qgis documentation built on April 12, 2025, 10:51 a.m.