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28.1.23. Vector overlay

28.1.23.1. Clip

Clips a vector layer using the features of an additional polygon layer.

Only the parts of the features in the input layer that fall within the polygons of the overlay layer will be added to the resulting layer.

Atenționare

Geometry modification only

This operation modifies only the features geometry. The attribute values of the features are not modified, although properties such as area or length of the features will be modified by the overlay operation. If such properties are stored as attributes, those attributes will have to be manually updated.

This algorithm uses spatial indexes on the providers, prepared geometries and apply a clipping operation if the geometry isn’t wholly contained by the mask geometry.

Fig. 28.119 Clipping operation between a two-feature input layer «a» and a single feature overlay layer «b» (left) - resulting in a new layer with the modified «a» features (right)

Allows features in-place modification of point, line, and polygon features

Default menu: Vector ► Geoprocessing Tools

Vezi și

Intersection, Difference

Parametri

Etichetă	Nume	Tipul	Descriere
Strat de intrare	INPUT	[vector: oricare]	Layer containing the features to be clipped
Overlay layer	OVERLAY	[vector: poligon]	Layer containing the clipping features
Clipped	OUTPUT	[la fel ca intrarea] Implicit: [Creare Strat temporar]	Specify the layer to contain the features from the input layer that are inside the overlay (clipping) layer. One of: Create Temporary Layer (TEMPORARY_OUTPUT) Salvare în Fișier… Salvare în Geopackage… Salvare în Tabela Bazei de Date… The file encoding can also be changed here.

Rezultat

Etichetă	Nume	Tipul	Descriere
Clipped	OUTPUT	[la fel ca intrarea]	Layer containing features from the input layer split by the overlay layer.

Cod Python

Algorithm ID: qgis:clip

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

ID-ul algoritmului se afișează atunci când treceți peste algoritmul din caseta instrumentelor de procesare. Dicționarul parametrilor furnizează valorile și NUMELE parametrilor. Pentru detalii despre rularea algoritmilor de procesare din consola Python, parcurgeți Utilizarea algoritmilor de procesare din consolă.

28.1.23.2. Difference

Extracts features from the input layer that don’t fall within the boundaries of the overlay layer.

Input layer features that partially overlap the overlay layer feature(s) are split along the boundary of those feature(s) and only the portions outside the overlay layer features are retained.

Atenționare

Geometry modification only

This operation modifies only the features geometry. The attribute values of the features are not modified, although properties such as area or length of the features will be modified by the overlay operation. If such properties are stored as attributes, those attributes will have to be manually updated.

Fig. 28.120 Difference operation between a two-features input layer «a» and a single feature overlay layer «b» (left) - resulting in a new layer with the modified «a» features (right)

Allows features in-place modification of point, line, and polygon features

Default menu: Vector ► Geoprocessing Tools

Vezi și

Difference (multiple), Symmetrical difference, Clip

Parametri

Parametri de bază

Etichetă	Nume	Tipul	Descriere
Strat de intrare	INPUT	[vector: oricare]	Layer to extract (parts of) features from.
Overlay layer	OVERLAY	[vector: oricare]	Layer containing the geometries that will be subtracted from the input layer geometries. It is expected to have at least as many dimensions (point: 0D, line: 1D, polygon: 2D, volume: 3D) as the input layer geometries.
Difference	OUTPUT	[la fel ca intrarea] Implicit: [Creare Strat temporar]	Specify the layer to contain the (parts of) features from the input layer that are not inside the overlay layer. One of: Create Temporary Layer (TEMPORARY_OUTPUT) Salvare în Fișier… Salvare în Geopackage… Salvare în Tabela Bazei de Date… The file encoding can also be changed here.

Parametri avansați

Etichetă	Nume	Tipul	Descriere
Grid size Opţional	GRID_SIZE	[număr] Implicit: Nesetat	If provided, the input geometries are snapped to a grid of the given size, and the result vertices are computed on that same grid. Requires GEOS 3.9.0 or higher.

Rezultat

Etichetă	Nume	Tipul	Descriere
Difference	OUTPUT	[la fel ca intrarea]	Layer containing (parts of) features from the input layer not overlapping the overlay layer.

Cod Python

Algorithm ID: qgis:difference

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

ID-ul algoritmului se afișează atunci când treceți peste algoritmul din caseta instrumentelor de procesare. Dicționarul parametrilor furnizează valorile și NUMELE parametrilor. Pentru detalii despre rularea algoritmilor de procesare din consola Python, parcurgeți Utilizarea algoritmilor de procesare din consolă.

28.1.23.3. Difference (multiple)

Extracts features from the input layer that fall completely outside or only partially overlap the features from any of the overlay layer(s).

For each overlay layer the difference is calculated between the result of all previous difference operations and this overlay layer. Input layer features that partially overlap feature(s) in the overlay layer are split along those features» boundary and only the portions outside the overlay layer features are retained.

Atenționare

Geometry modification only

This operation modifies only the features geometry. The attribute values of the features are not modified, although properties such as area or length of the features will be modified by the overlay operation. If such properties are stored as attributes, those attributes will have to be manually updated.

Fig. 28.121 Difference operation between a two-feature input layer «a» and single feature overlay layers «b» and «c» (left) - resulting in a new layer with the modified «a» features (right)

Vezi și

Difference, Symmetrical difference, Clip

Parametri

Etichetă	Nume	Tipul	Descriere
Strat de intrare	INPUT	[vector: oricare]	Layer to extract (parts of) features from.
Overlay layers	OVERLAYS	[vector: oricare] [list]	List of layers containing the geometries that will be subtracted from the input layer geometries. They are expected to have at least as many dimensions (point: 0D, line: 1D, polygon: 2D, volume: 3D) as the input layer geometries.
Difference	OUTPUT	[la fel ca intrarea] Implicit: [Creare Strat temporar]	Specify the layer to contain the (parts of) features from the input layer that do not overlap features of the overlay layers. One of: Create Temporary Layer (TEMPORARY_OUTPUT) Salvare în Fișier… Salvare în Geopackage… Salvare în Tabela Bazei de Date… The file encoding can also be changed here.

Rezultat

Etichetă	Nume	Tipul	Descriere
Difference	OUTPUT	[la fel ca intrarea]	Layer containing (parts of) features from the input layer not overlapping features from the overlay layers.

Cod Python

Algorithm ID: qgis:multidifference

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

ID-ul algoritmului se afișează atunci când treceți peste algoritmul din caseta instrumentelor de procesare. Dicționarul parametrilor furnizează valorile și NUMELE parametrilor. Pentru detalii despre rularea algoritmilor de procesare din consola Python, parcurgeți Utilizarea algoritmilor de procesare din consolă.

28.1.23.4. Extract/clip by extent

Creates a new vector layer that only contains features which fall within a specified extent.

Any features which intersect the extent will be included.

Fig. 28.122 Extract operation between a three-feature input layer «a» and a dashed extent (left) - resulting features with dashed extent for reference (right)

Vezi și

Clip

Parametri

Etichetă	Nume	Tipul	Descriere
Strat de intrare	INPUT	[vector: oricare]	Layer to extract (parts of) features from.
Extent (xmin, xmax, ymin, ymax)	EXTENT	[extent]	Extent for clipping. Metodele disponibile sunt: Calculate from layer…: uses extent of a layer loaded in the current project Calculate from layout map…: uses extent of a layout map item in the active project Calculate from bookmark…: uses extent of a saved bookmark Use map canvas extent Draw on canvas: click and drag a rectangle delimiting the area to take into account Enter the coordinates as xmin, xmax, ymin, ymax
Clip features to extent	CLIP	[boolean] Implicit: False	If checked, output geometries will be automatically converted to multi geometries to ensure uniform output types. Moreover the geometries will be clipped to the extent chosen instead of taking the whole geometry as output. Fig. 28.123 Extract operation between a three-feature input layer «a» and a dashed extent (left) - resulting features with dashed extent for reference (right)
Extracted	OUTPUT	[la fel ca intrarea] Implicit: [Creare Strat temporar]	Specify the layer to contain the features from the input layer that are inside the clip extent. One of: Create Temporary Layer (TEMPORARY_OUTPUT) Salvare în Fișier… Salvare în Geopackage… Salvare în Tabela Bazei de Date… The file encoding can also be changed here.

Rezultat

Etichetă	Nume	Tipul	Descriere
Extracted	OUTPUT	[la fel ca intrarea]	Layer containing the clipped features.

Cod Python

Algorithm ID: qgis:extractbyextent

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

ID-ul algoritmului se afișează atunci când treceți peste algoritmul din caseta instrumentelor de procesare. Dicționarul parametrilor furnizează valorile și NUMELE parametrilor. Pentru detalii despre rularea algoritmilor de procesare din consola Python, parcurgeți Utilizarea algoritmilor de procesare din consolă.

28.1.23.5. Intersection

Extracts the portions of features from the input layer that overlap features in the overlay layer.

Features in the intersection layer are assigned the attributes of the overlapping features from both the input and overlay layers.

Atenționare

Geometry modification only

This operation modifies only the features geometry. The attribute values of the features are not modified, although properties such as area or length of the features will be modified by the overlay operation. If such properties are stored as attributes, those attributes will have to be manually updated.

Fig. 28.124 Intersection operation between a two-feature input layer «a» and a single feature overlay layer «b» (left) - overlapping areas become a new two-feature layer with both layers» attributes (right)

Default menu: Vector ► Geoprocessing Tools

Vezi și

Intersection (multiple), Clip, Difference

Parametri

Parametri de bază

Etichetă	Nume	Tipul	Descriere
Strat de intrare	INPUT	[vector: oricare]	Layer to extract (parts of) features from.
Overlay layer	OVERLAY	[vector: oricare]	Layer containing the features to check for overlap. Its features» geometry is expected to have at least as many dimensions (point: 0D, line: 1D, polygon: 2D, volume: 3D) as the input layer’s.
Input fields to keep (leave empty to keep all fields) Opţional	INPUT_FIELDS	[tablefield: any] [list] Default: Nici o valoare	Field(s) of the input layer to keep in the output. If no fields are chosen all fields are taken.
Overlay fields to keep (leave empty to keep all fields) Opţional	OVERLAY_FIELDS	[tablefield: any] [list] Default: Nici o valoare	Field(s) of the overlay layer to keep in the output. If no fields are chosen all fields are taken. Duplicate field names will be appended a count suffix to avoid collision.
Intersection	OUTPUT	[la fel ca intrarea] Implicit: [Creare Strat temporar]	Specify the layer to contain (the parts of) the features from the input layer that overlap one or more features from the overlay layer. One of: Create Temporary Layer (TEMPORARY_OUTPUT) Salvare în Fișier… Salvare în Geopackage… Salvare în Tabela Bazei de Date… The file encoding can also be changed here.

Parametri avansați

Etichetă	Nume	Tipul	Descriere
Overlay fields prefix Opţional	OVERLAY_FIELDS_PREFIX	[string]	Add a prefix to identify fields of the overlay layer. Duplicate field names will be appended a count suffix to avoid collision.
Grid size Opţional	GRID_SIZE	[număr] Implicit: Nesetat	If provided, the input geometries are snapped to a grid of the given size, and the result vertices are computed on that same grid. Requires GEOS 3.9.0 or higher.

Rezultat

Etichetă	Nume	Tipul	Descriere
Intersection	OUTPUT	[la fel ca intrarea]	Layer containing (parts of) features from the input layer that overlap the overlay layer.

Cod Python

Algorithm ID: qgis:intersection

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

ID-ul algoritmului se afișează atunci când treceți peste algoritmul din caseta instrumentelor de procesare. Dicționarul parametrilor furnizează valorile și NUMELE parametrilor. Pentru detalii despre rularea algoritmilor de procesare din consola Python, parcurgeți Utilizarea algoritmilor de procesare din consolă.

28.1.23.6. Intersection (multiple)

Extracts the overlapping portions of features in the input and all overlay layers.

Features in the output layer are assigned the attributes of the overlapping features from both the input and overlay layers.

Atenționare

Geometry modification only

This operation modifies only the features geometry. The attribute values of the features are not modified, although properties such as area or length of the features will be modified by the overlay operation. If such properties are stored as attributes, those attributes will have to be manually updated.

Fig. 28.125 Intersection operation between a two-feature input layer «a» and single feature overlay layers «b» and «c» (left) - overlapping areas become a new two-feature layer with all layers» attributes (right)

Vezi și

Intersection, Clip, Difference

Parametri

Parametri de bază

Etichetă	Nume	Tipul	Descriere
Strat de intrare	INPUT	[vector: oricare]	Layer to extract (parts of) features from.
Overlay layers	OVERLAYS	[vector: oricare] [list]	Layers containing the features to check for overlap. The features» geometry is expected to have at least as many dimensions (point: 0D, line: 1D, polygon: 2D, volume: 3D) as the input layer’s.

Parametri avansați

Etichetă	Nume	Tipul	Descriere
Overlay fields prefix Opţional	OVERLAY_FIELDS_PREFIX	[string]	Add a prefix to identify fields of the overlay layers. Duplicate field names will be appended a count suffix to avoid collision.

Rezultat

Etichetă	Nume	Tipul	Descriere
Intersection	OUTPUT	[la fel ca intrarea]	Layer containing (parts of) features from the input layer that overlap all the overlay layers.

Cod Python

Algorithm ID: qgis:multiintersection

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

ID-ul algoritmului se afișează atunci când treceți peste algoritmul din caseta instrumentelor de procesare. Dicționarul parametrilor furnizează valorile și NUMELE parametrilor. Pentru detalii despre rularea algoritmilor de procesare din consola Python, parcurgeți Utilizarea algoritmilor de procesare din consolă.

28.1.23.7. Line intersections

Creates point features where the lines from the two layers intersect.

Fig. 28.126 Points of intersection

Default menu: Vector ► Analysis Tools

Parametri

Parametri de bază

Etichetă	Nume	Tipul	Descriere
Strat de intrare	INPUT	[vector: linie]	Input line layer.
Intersect layer	INTERSECT	[vector: linie]	Layer to use to find line intersections.
Input fields to keep (leave empty to keep all fields) Opţional	INPUT_FIELDS	[tablefield: any] [list] Default: Nici o valoare	Field(s) of the input layer to keep in the output. If no fields are chosen all fields are taken.
Intersect fields to keep (leave empty to keep all fields) Opţional	INTERSECT_FIELDS	[tablefield: any] [list] Default: Nici o valoare	Field(s) of the intersect layer to keep in the output. If no fields are chosen all fields are taken. Duplicate field names will be appended a count suffix to avoid collision.
Intersection	OUTPUT	[vector: punct] Implicit: [Creare Strat temporar]	Specify the layer to contain the intersection points of the lines from the input and overlay layers. One of: Create Temporary Layer (TEMPORARY_OUTPUT) Salvare în Fișier… Salvare în Geopackage… Salvare în Tabela Bazei de Date… The file encoding can also be changed here.

Parametri avansați

Etichetă	Nume	Tipul	Descriere
Intersect fields prefix Opţional	INTERSECT_FIELDS_PREFIX	[string]	Add a prefix to identify fields of the intersect layer.

Rezultat

Etichetă	Nume	Tipul	Descriere
Intersections	OUTPUT	[vector: punct]	Point vector layer of the lines intersections, with both layers» attributes.

Cod Python

Algorithm ID: qgis:lineintersections

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

ID-ul algoritmului se afișează atunci când treceți peste algoritmul din caseta instrumentelor de procesare. Dicționarul parametrilor furnizează valorile și NUMELE parametrilor. Pentru detalii despre rularea algoritmilor de procesare din consola Python, parcurgeți Utilizarea algoritmilor de procesare din consolă.

28.1.23.8. Split with lines

Splits the lines or polygons in one layer using the lines or polygon rings in another layer to define the breaking points. Intersection between geometries in both layers are considered as split points.

Output will contain multi geometries for split features.

Fig. 28.127 Split lines

Allows features in-place modification of line and polygon features

Parametri

Etichetă	Nume	Tipul	Descriere
Strat de intrare	INPUT	[vector: linie, poligon]	Layer containing the lines or polygons to split.
Split layer	LINES	[vector: linie, poligon]	Layer whose lines or rings are used to define the breaking points.
Split	OUTPUT	[la fel ca intrarea] Implicit: [Creare Strat temporar]	Specify the layer to contain the splitted (in case they are intersected by a line in the split layer) line/polygon features from the input layer. One of: Create Temporary Layer (TEMPORARY_OUTPUT) Salvare în Fișier… Salvare în Geopackage… Salvare în Tabela Bazei de Date… The file encoding can also be changed here.

Rezultat

Etichetă	Nume	Tipul	Descriere
Split	OUTPUT	[la fel ca intrarea]	Output vector layer with split lines or polygons from input layer.

Cod Python

Algorithm ID: qgis:splitwithlines

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

ID-ul algoritmului se afișează atunci când treceți peste algoritmul din caseta instrumentelor de procesare. Dicționarul parametrilor furnizează valorile și NUMELE parametrilor. Pentru detalii despre rularea algoritmilor de procesare din consola Python, parcurgeți Utilizarea algoritmilor de procesare din consolă.

28.1.23.9. Symmetrical difference

Creates a layer containing features from both the input and overlay layers but with the overlapping areas between the two layers removed.

The attribute table of the symmetrical difference layer contains attributes and fields from both the input and overlay layers.

Atenționare

Geometry modification only

This operation modifies only the features geometry. The attribute values of the features are not modified, although properties such as area or length of the features will be modified by the overlay operation. If such properties are stored as attributes, those attributes will have to be manually updated.

Fig. 28.128 Symmetrical difference operation between a two-features input layer «a» and a single feature overlay layer «b» (left) - resulting three-feature layer with both layers» attributes (right)

Default menu: Vector ► Geoprocessing Tools

Vezi și

Difference, Clip, Intersection

Parametri

Parametri de bază

Etichetă	Nume	Tipul	Descriere
Strat de intrare	INPUT	[vector: oricare]	First layer to extract (parts of) features from.
Overlay layer	OVERLAY	[vector: oricare]	Second layer to extract (parts of) features from. Ideally the geometry type should be the same as input layer.
Symmetrical difference	OUTPUT	[la fel ca intrarea] Implicit: [Creare Strat temporar]	Specify the layer to contain (the parts of) the features from the input and overlay layers that do not overlap features from the other layer. One of: Create Temporary Layer (TEMPORARY_OUTPUT) Salvare în Fișier… Salvare în Geopackage… Salvare în Tabela Bazei de Date… The file encoding can also be changed here.

Parametri avansați

Etichetă	Nume	Tipul	Descriere
Overlay fields prefix Opţional	OVERLAY_FIELDS_PREFIX	[string]	Add a prefix to identify fields of the overlay layer. Duplicate field names will be appended a count suffix to avoid collision.
Grid size Opţional	GRID_SIZE	[număr] Implicit: Nesetat	If provided, the input geometries are snapped to a grid of the given size, and the result vertices are computed on that same grid. Requires GEOS 3.9.0 or higher.

Rezultat

Etichetă	Nume	Tipul	Descriere
Symmetrical difference	OUTPUT	[la fel ca intrarea]	Layer containing (parts of) features from each layer not overlapping the other layer, with both layers» attributes.

Cod Python

Algorithm ID: qgis:symmetricaldifference

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

ID-ul algoritmului se afișează atunci când treceți peste algoritmul din caseta instrumentelor de procesare. Dicționarul parametrilor furnizează valorile și NUMELE parametrilor. Pentru detalii despre rularea algoritmilor de procesare din consola Python, parcurgeți Utilizarea algoritmilor de procesare din consolă.

28.1.23.10. Union

Checks overlaps between features within the input layer and creates separate features for overlapping and non-overlapping parts. The area of overlap will create as many identical overlapping features as there are features that participate in that overlap.

Fig. 28.129 Union operation with a single input layer with two overlapping features (left) - resulting in four features (middle) - features moved for clarity (right)

An overlay layer can also be used, in which case features from each layer are split at their overlap with features from the other one, creating a layer containing all the portions from both input and overlay layers. Features on the same layer will not split each other. The attribute table of the union layer is filled with attribute values from the respective original layer for non-overlapping features, and attribute values from both layers for overlapping features.

Fig. 28.130 Union operation between a two-feature input layer «a» and a single feature overlay layer «b» (left) - resulting five-feature layer with attributes from both layers (right)

Notă

With an overlay layer, features on the same layer will not split each other. If you want to split overlaps on the same layer as well as other layers, first run the algorithm with multiple layers then run the algorithm again with only the previous output.

Default menu: Vector ► Geoprocessing Tools

Vezi și

Union (multiple), Clip, Difference, Intersection

Parametri

Parametri de bază

Etichetă	Nume	Tipul	Descriere
Strat de intrare	INPUT	[vector: oricare]	Input vector layer to split at any intersections.
Overlay layer Opţional	OVERLAY	[vector: oricare]	Layer that will be combined to the first one. Ideally the geometry type should be the same as input layer.
Union	OUTPUT	[la fel ca intrarea] Implicit: [Creare Strat temporar]	Specify the layer to contain the (split and duplicated) features from the input layer and the overlay layer. One of: Create Temporary Layer (TEMPORARY_OUTPUT) Salvare în Fișier… Salvare în Geopackage… Salvare în Tabela Bazei de Date… The file encoding can also be changed here.

Parametri avansați

Etichetă	Nume	Tipul	Descriere
Overlay fields prefix Opţional	OVERLAY_FIELDS_PREFIX	[string]	Add a prefix to identify fields of the overlay layer. Duplicate field names will be appended a count suffix to avoid collision.
Grid size Opţional	GRID_SIZE	[număr] Implicit: Nesetat	If provided, the input geometries are snapped to a grid of the given size, and the result vertices are computed on that same grid. Requires GEOS 3.9.0 or higher.

Rezultat

Etichetă	Nume	Tipul	Descriere
Union	OUTPUT	[la fel ca intrarea]	Layer containing all the overlapping and non-overlapping parts from the processed layer(s).

Cod Python

Algorithm ID: qgis:union

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

ID-ul algoritmului se afișează atunci când treceți peste algoritmul din caseta instrumentelor de procesare. Dicționarul parametrilor furnizează valorile și NUMELE parametrilor. Pentru detalii despre rularea algoritmilor de procesare din consola Python, parcurgeți Utilizarea algoritmilor de procesare din consolă.

28.1.23.11. Union (multiple)

Checks overlaps between features within the input layer and creates separate features for overlapping and non-overlapping parts. The area of overlap will create as many identical overlapping features as there are features that participate in that overlap.

Fig. 28.131 Union operation with a single input layer with two overlapping features (left) - resulting in four features (middle) - features moved for clarity (right)

Multiple overlay layers can also be used, in which case features from each layer are split at their overlap with features from all other layers, creating a layer containing all the portions from both input and overlay layers. Features on the same layer will not split each other. The attribute table of the Union layer is filled with attribute values from the respective original layer for non-overlapping features, and attribute values from overlay layers for overlapping features.

Fig. 28.132 Union operation between a two-feature input layer «a» and single feature overlay layers «b» and «c» (left) - resulting eleven-feature layer with attributes from all layers (right)

Notă

With an overlay layer, features on the same layer will not split each other. If you want to split overlaps on the same layer as well as other layers, first run the algorithm with multiple layers then run the algorithm again with only the previous output.

Vezi și

Union, Clip, Difference, Intersection

Parametri

Parametri de bază

Etichetă	Nume	Tipul	Descriere
Strat de intrare	INPUT	[vector: oricare]	Input vector layer to split at any intersections.
Overlay layers Opţional	OVERLAYS	[vector: oricare] [list]	Layers that will be combined to the first one. Ideally the geometry type should be the same as input layer.
Union	OUTPUT	[la fel ca intrarea] Implicit: [Creare Strat temporar]	Specify the layer to contain the (split and duplicated) features from the input layer and the overlay layers. One of: Create Temporary Layer (TEMPORARY_OUTPUT) Salvare în Fișier… Salvare în Geopackage… Salvare în Tabela Bazei de Date… The file encoding can also be changed here.

Parametri avansați

Etichetă	Nume	Tipul	Descriere
Overlay fields prefix Opţional	OVERLAY_FIELDS_PREFIX	[string]	Add a prefix to identify fields of the overlay layers. Duplicate field names will be appended a count suffix to avoid collision.

Rezultat

Etichetă	Nume	Tipul	Descriere
Union	OUTPUT	[la fel ca intrarea]	Layer containing all the overlapping and non-overlapping parts from the processed layer(s), with all layers» attributes.

Cod Python

Algorithm ID: qgis:multiunion

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

ID-ul algoritmului se afișează atunci când treceți peste algoritmul din caseta instrumentelor de procesare. Dicționarul parametrilor furnizează valorile și NUMELE parametrilor. Pentru detalii despre rularea algoritmilor de procesare din consola Python, parcurgeți Utilizarea algoritmilor de procesare din consolă.