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24.1.7. Layer tools

24.1.7.1. Export layer(s) information

Creates a polygon layer with features corresponding to the extent of selected layer(s).

Additional layer details (CRS, provider name, file path, layer name, subset filter, abstract and attribution) are attached as attributes to each feature.

Parametry

Etykieta	Nazwa	Typ	Opis
Warstwy wejściowe	LAYERS	[layer] [list]	Input layers to get information on.
Wynik	OUTPUT	[vector: polygon] Default: [Create temporary layer]	Specification of the output layer with information. One of: Create Temporary Layer (TEMPORARY_OUTPUT) Zapisz do pliku… Zapisz do GeoPackage… Zapisz do tabeli bazy danych… The file encoding can also be changed here.

Wyniki

Etykieta	Nazwa	Typ	Opis
Wynik	OUTPUT	[vector: polygon]	Polygon vector layer showing extent of input layers and associated information in attributes.

Kod pythona

ID algorytmu: native:exportlayersinformation

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.

24.1.7.2. Export to spreadsheet

Exports the attributes of a selection of vector layers into a spreadsheet document or optionally appends them to an existing spreadsheet as additional sheets.

Parametry

Etykieta	Nazwa	Typ	Opis
Warstwy wejściowe	LAYERS	[vector: any] [list]	Input vector layers. The output spreadsheet will consist of a sheet, for each layer, that contains the attributes of this layer.
Use field aliases as column headings	USE_ALIAS	[wartość logiczna] Domyślnie: False	Use the field aliases from the attribute table for the spreadsheet.
Export formatted values instead of raw values	FORMATTED_VALUES	[wartość logiczna] Domyślnie: False	If True, exports the formatted, human readable values (e.g., from a value map or value relation) to the spreadsheet.
Overwrite existing spreadsheet	OVERWRITE	[wartość logiczna] Domyślnie: True	If the specified spreadsheet exists, setting this option to True will overwrite the existing spreadsheet. If this option is False and the spreadsheet exists, the layers will be appended as additional sheets.
Destination spreadsheet	OUTPUT	[plik] Domyślnie: [Zapisz do pliku tymczasowego]	Output spreadsheet with a sheet for every layer. One of: Zapisz do pliku tymczasowego Zapisz do pliku…

Wyniki

Etykieta	Nazwa	Typ	Opis
Destination spreadsheet	OUTPUT	[plik]	Spreadsheet with a sheet for every layer.
Layers within spreadsheet	OUTPUT_LAYERS	[lista]	The list of sheets added to the spreadsheet.

Kod pythona

ID algorytmu: native:exporttospreadsheet

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.

24.1.7.3. Extract layer extent

Generates a vector layer with the minimum bounding box (rectangle with N-S orientation) that covers all the input features.

The output layer contains a single bounding box for the whole input layer.

Rys. 24.7 In red the bounding box of the source layer

Default menu: Vector ► Research Tools

Parametry

Etykieta	Nazwa	Typ	Opis
Warstwa	INPUT	[warstwa]	Input layer
Zasięg	OUTPUT	[vector: polygon] Default: [Create temporary layer]	Specify the polygon vector layer for the output extent. One of: Create Temporary Layer (TEMPORARY_OUTPUT) Zapisz do pliku… Zapisz do GeoPackage… Zapisz do tabeli bazy danych… The file encoding can also be changed here.

Wyniki

Etykieta	Nazwa	Typ	Opis
Zasięg	OUTPUT	[vector: polygon]	Output (polygon) vector layer with the extent (minimum bounding box)

Kod pythona

ID algorytmu: qgis:polygonfromlayerextent

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.