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

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