Class: QgsVectorWarperTask

A task for warping a vector layer in a background thread.

Added in version 3.26.

Class Hierarchy

Base classes

QgsTask	Abstract base class for long running background tasks.
QObject

Enums

Result

Task results

Methods

errorMessage	Returns the descriptive error message, if an error occurred.
result	Returns the result of running the task.

class qgis.analysis.QgsVectorWarperTask

Bases: QgsTask

__init__(method: QgsGcpTransformerInterface.TransformMethod, points: Iterable[QgsGcpPoint], destinationCrs: QgsCoordinateReferenceSystem, layer: QgsVectorLayer | None, fileName: str | None)

Constructor for QgsVectorWarperTask.

Parameters:

• method (QgsGcpTransformerInterface.TransformMethod) – transformation method

• points (Iterable[QgsGcpPoint]) – GCP point list

• destinationCrs (QgsCoordinateReferenceSystem) – destination layer CRS

• layer (Optional[QgsVectorLayer]) – source layer

• fileName (Optional[str]) – filename for destination layer

class Result(*values)

Bases: IntEnum

Task results

• Success: Warping completed successfully

• Canceled: Task was canceled before completion

• Error: An error occurred while warping

Canceled = 1

Error = 2

Success = 0

errorMessage(self) → str

Returns the descriptive error message, if an error occurred.

Return type:

str

result(self) → QgsVectorWarperTask.Result

Returns the result of running the task.

Return type:

QgsVectorWarperTask.Result