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24.1.11. Metadata tools

24.1.11.1. Add history metadata

Added in 3.42

Adds a new history entry to the layer’s metadata.

Parametry

Etykieta	Nazwa	Typ	Opis
Warstwa	INPUT	[warstwa]	The input layer (vector, raster, etc.) to which the history entry will be added.
History entry	HISTORY	[ciąg tekstowy]	The text to be appended as a new entry in the layer’s history metadata. This will be added to any existing history entries.

Wyniki

Etykieta	Nazwa	Typ	Opis
Wynik	OUTPUT	[same as input]	The resulting layer with the updated history in its Metadata properties.

Kod Pythona

Algorithm ID: native:addhistorymetadata

import processing
processing.run("algorithm_id", {parameter_dictionary})

The algorithm id is displayed when you hover over the algorithm in the Processing Toolbox. The parameter dictionary provides the parameter NAMEs and values. See Using processing algorithms from the console for details on how to run processing algorithms from the Python console.

24.1.11.2. Copy Layer Metadata

Added in 3.42

Copies metadata from a source layer to a target layer. Any existing metadata in the target layer will be replaced with the metadata from the source layer. This includes all metadata fields, such as history, abstract, and other properties.

Parametry

Etykieta	Nazwa	Typ	Opis
Source layer	SOURCE	[warstwa]	The layer from which metadata will be copied.
Target layer	TARGET	[warstwa]	The layer to which metadata will be pasted. Any existing metadata in this layer will be replaced.
Save metadata as default	DEFAULT	[wartość logiczna] Domyślnie: False	If checked, the metadata information will be saved with the layer, hence available by default in subsequent projects.

Wyniki

Etykieta	Nazwa	Typ	Opis
Warstwa wynikowa	OUTPUT	[warstwa]	The target layer with the metadata replaced by the metadata from the source layer. This includes all metadata fields, such as history, abstract, and other properties.

Kod Pythona

Algorithm ID: native:copylayermetadata

import processing
processing.run("algorithm_id", {parameter_dictionary})

The algorithm id is displayed when you hover over the algorithm in the Processing Toolbox. The parameter dictionary provides the parameter NAMEs and values. See Using processing algorithms from the console for details on how to run processing algorithms from the Python console.

24.1.11.3. Export Layer Metadata

Added in 3.42

Exports the metadata of a layer to a QMD file.

Parametry

Etykieta	Nazwa	Typ	Opis
Warstwa	INPUT	[warstwa]	The layer whose metadata will be exported.
Wynik	OUTPUT	[plik] Domyślnie: [Zapisz do pliku tymczasowego]	Specification of the output file. One of: Zapisz do pliku tymczasowego Zapisz do pliku…

Wyniki

Etykieta	Nazwa	Typ	Opis
Plik wynikowy	OUTPUT	[plik]	The .qmd file containing the exported metadata. This file can be used to import metadata into another layer.

Kod Pythona

Algorithm ID: native:exportlayermetadata

import processing
processing.run("algorithm_id", {parameter_dictionary})

The algorithm id is displayed when you hover over the algorithm in the Processing Toolbox. The parameter dictionary provides the parameter NAMEs and values. See Using processing algorithms from the console for details on how to run processing algorithms from the Python console.

24.1.11.4. Set Layer Metadata

Added in 3.42

Applies metadata to a layer from a .qmd file.

Parametry

Etykieta	Nazwa	Typ	Opis
Warstwa	INPUT	[warstwa]	The layer to which the metadata will be applied.
Metadata file	METADATA	[plik]	The .qmd file containing the metadata to be applied.
Save metadata as default	DEFAULT	[wartość logiczna] Domyślnie: False	If checked, the metadata information will be saved with the layer, hence available by default in subsequent projects.

Wyniki

Etykieta	Nazwa	Typ	Opis
Warstwa wynikowa	OUTPUT	[same as input]	The input layer with the metadata replaced by the metadata from the .qmd file.

Kod Pythona

Algorithm ID: native:setlayermetadata

import processing
processing.run("algorithm_id", {parameter_dictionary})

The algorithm id is displayed when you hover over the algorithm in the Processing Toolbox. The parameter dictionary provides the parameter NAMEs and values. See Using processing algorithms from the console for details on how to run processing algorithms from the Python console.

24.1.11.5. Set Metadata Fields

Added in 3.42

Sets various metadata fields for a layer.

Parametry

Etykieta	Nazwa	Typ	Opis
Warstwa	INPUT	[warstwa]	The layer whose metadata fields will be updated
Identifier Opcjonalne	IDENTIFIER	[ciąg tekstowy]	A unique identifier for the layer
Parent identifier Opcjonalne	PARENT_IDENTIFIER	[ciąg tekstowy]	The identifier of the parent resource, if applicable
Title Opcjonalne	TITLE	[ciąg tekstowy]	The title of the layer
Type Opcjonalne	TYPE	[ciąg tekstowy]	The type of data stored in the layer
Language Opcjonalne	LANGUAGE	[ciąg tekstowy]	The language of the metadata
Kodowanie Opcjonalne	ENCODING	[ciąg tekstowy]	The character encoding used in the metadata
Abstract Opcjonalne	ABSTRACT	[ciąg tekstowy]	A brief description or abstract of the layer
Coordinate reference system Opcjonalne	CRS	[układ współrzędnych]	The coordinate reference system of the layer
Fees Opcjonalne	FEES	[ciąg tekstowy]	Information about any fees associated with accessing the layer
Ignore empty fields	IGNORE_EMPTY	[wartość logiczna] Domyślnie: False	If checked, no update will be done to metadata fields that are not filled

Wyniki

Etykieta	Nazwa	Typ	Opis
Warstwa wynikowa	OUTPUT	[same as input]	The input layer with the specified metadata fields updated.

Kod Pythona

Algorithm ID: native:setmetadatafields

import processing
processing.run("algorithm_id", {parameter_dictionary})

The algorithm id is displayed when you hover over the algorithm in the Processing Toolbox. The parameter dictionary provides the parameter NAMEs and values. See Using processing algorithms from the console for details on how to run processing algorithms from the Python console.

24.1.11.6. Update Layer Metadata

Added in 3.42

Copies all non-empty metadata fields from a source layer to a target layer. Leaves empty input fields unchanged in the target.

Parametry

Etykieta	Nazwa	Typ	Opis
Source layer	SOURCE	[warstwa]	The layer from which non-empty metadata fields will be copied
Target layer	TARGET	[warstwa]	The layer to which non-empty metadata fields will be pasted. Empty fields in the source layer will not overwrite existing metadata in the target layer.

Wyniki

Etykieta	Nazwa	Typ	Opis
Target layer	OUTPUT	[warstwa]	The target layer with updated metadata.

Kod Pythona

Algorithm ID: native:updatelayermetadata

import processing
processing.run("algorithm_id", {parameter_dictionary})

The algorithm id is displayed when you hover over the algorithm in the Processing Toolbox. The parameter dictionary provides the parameter NAMEs and values. See Using processing algorithms from the console for details on how to run processing algorithms from the Python console.