Class AppMissingGridHandler

ClassList > AppMissingGridHandler

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• #include <appcoordinateoperationhandlers.h>

Inherits the following classes: QObject

Public Signals

Type	Name
signal void	coordinateOperationCreationError (const QgsCoordinateReferenceSystem & sourceCrs, const QgsCoordinateReferenceSystem & destinationCrs, const QString & error)
signal void	fallbackOperationOccurred (const QgsCoordinateReferenceSystem & sourceCrs, const QgsCoordinateReferenceSystem & destinationCrs, const QString & desired)
signal void	missingGridUsedByContextHandler (const QgsCoordinateReferenceSystem & sourceCrs, const QgsCoordinateReferenceSystem & destinationCrs, const QgsDatumTransform::TransformDetails & desired)
signal void	missingPreferredGrid (const QgsCoordinateReferenceSystem & sourceCrs, const QgsCoordinateReferenceSystem & destinationCrs, const QgsDatumTransform::TransformDetails & preferredOperation, const QgsDatumTransform::TransformDetails & availableOperation)
signal void	missingRequiredGrid (const QgsCoordinateReferenceSystem & sourceCrs, const QgsCoordinateReferenceSystem & destinationCrs, const QgsDatumTransform::GridDetails & grid)

Public Functions

Type	Name
	AppMissingGridHandler (QObject * parent)

Detailed Description

Alerts users when a transform grids are required (or desired) for an operation between two CRSes, yet they are not available on the current system. Derived from the QgsAppCoordinateOperationHandlers class created by QGIS developer Nyall Dawson.

Public Signals Documentation

signal coordinateOperationCreationError

void AppMissingGridHandler::coordinateOperationCreationError;

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signal fallbackOperationOccurred

void AppMissingGridHandler::fallbackOperationOccurred;

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signal missingGridUsedByContextHandler

void AppMissingGridHandler::missingGridUsedByContextHandler;

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signal missingPreferredGrid

void AppMissingGridHandler::missingPreferredGrid;

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signal missingRequiredGrid

void AppMissingGridHandler::missingRequiredGrid;

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Public Functions Documentation

function AppMissingGridHandler

explicit AppMissingGridHandler::AppMissingGridHandler (
    QObject * parent
) 

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The documentation for this class was generated from the following file src/core/appcoordinateoperationhandlers.h