Implementation of map layer temporal properties for raster layers. More...

#include <qgsrasterlayertemporalproperties.h>

Inheritance diagram for QgsRasterLayerTemporalProperties:

[legend]

Public Member Functions
	QgsRasterLayerTemporalProperties (QObject *parent=nullptr, bool enabled=false)
	Constructor for QgsRasterLayerTemporalProperties, with the specified parent object.

QList< QgsDateTimeRange >	allTemporalRanges (QgsMapLayer *layer) const override
	Attempts to calculate the overall list of all temporal extents which are contained in the specified layer, using the settings defined by the temporal properties object.

int	bandForTemporalRange (QgsRasterLayer *layer, const QgsDateTimeRange &range) const
	Returns the band corresponding to the specified range.

int	bandNumber () const
	Returns the band number from which temporal values should be taken.

QgsDateTimeRange	calculateTemporalExtent (QgsMapLayer *layer) const override
	Attempts to calculate the overall temporal extent for the specified layer, using the settings defined by the temporal properties object.

QList< int >	filteredBandsForTemporalRange (QgsRasterLayer *layer, const QgsDateTimeRange &range) const
	Returns a filtered list of bands which match the specified range.

QMap< int, QgsDateTimeRange >	fixedRangePerBand () const
	Returns the fixed temporal range for each band.

const QgsDateTimeRange &	fixedTemporalRange () const
	Returns the fixed temporal range for the layer.

QgsTemporalProperty::Flags	flags () const override
	Returns flags associated to the temporal property.

Qgis::TemporalIntervalMatchMethod	intervalHandlingMethod () const
	Returns the desired method to use when resolving a temporal interval to matching layers or bands in the data provider.

bool	isVisibleInTemporalRange (const QgsDateTimeRange &range) const override
	Returns `true` if the layer should be visible and rendered for the specified time range.

Qgis::RasterTemporalMode	mode () const
	Returns the temporal properties mode.

bool	readXml (const QDomElement &element, const QgsReadWriteContext &context) override
	Reads temporal properties from a DOM element previously written by writeXml().

void	setBandNumber (int number)
	Sets the band number from which temporal values should be taken.

void	setDefaultsFromDataProviderTemporalCapabilities (const QgsDataProviderTemporalCapabilities *capabilities) override
	Sets the layers temporal settings to appropriate defaults based on a provider's temporal capabilities.

void	setFixedRangePerBand (const QMap< int, QgsDateTimeRange > &ranges)
	Sets the fixed temporal range for each band.

void	setFixedTemporalRange (const QgsDateTimeRange &range)
	Sets a temporal range to apply to the whole layer.

void	setIntervalHandlingMethod (Qgis::TemporalIntervalMatchMethod method)
	Sets the desired method to use when resolving a temporal interval to matching layers or bands in the data provider.

void	setMode (Qgis::RasterTemporalMode mode)
	Sets the temporal properties mode.

void	setTemporalRepresentationOffset (const QDateTime &offset)
	Sets the temporal offset, which is a fixed datetime which should be added to individual pixel values from the layer.

void	setTemporalRepresentationScale (const QgsInterval &scale)
	Sets the scale, which is an interval factor which should be applied to individual pixel values from the layer.

QDateTime	temporalRepresentationOffset () const
	Returns the temporal offset, which is a fixed datetime which should be added to individual pixel values from the layer.

const QgsInterval &	temporalRepresentationScale () const
	Returns the scale, which is an interval factor which should be applied to individual pixel values from the layer.

QDomElement	writeXml (QDomElement &element, QDomDocument &doc, const QgsReadWriteContext &context) override
	Writes the properties to a DOM element, to be used later with readXml().

Public Member Functions inherited from QgsMapLayerTemporalProperties
	QgsMapLayerTemporalProperties (QObject *parent, bool enabled=false)
	Constructor for QgsMapLayerTemporalProperties, with the specified parent object.

Public Member Functions inherited from QgsTemporalProperty
	QgsTemporalProperty (QObject *parent=nullptr, bool enabled=false)
	Constructor for QgsTemporalProperty, with the specified parent object.

bool	isActive () const
	Returns `true` if the temporal property is active.

void	setIsActive (bool active)
	Sets whether the temporal property is active.

Additional Inherited Members
Public Types inherited from QgsTemporalProperty
enum	Flag { FlagDontInvalidateCachedRendersWhenRangeChanges = 1 }
	Flags attached to the temporal property. More...

typedef QFlags< Flag >	Flags

Signals inherited from QgsTemporalProperty
void	changed ()
	Emitted when the temporal properties have changed.

Detailed Description

Implementation of map layer temporal properties for raster layers.

Since: QGIS 3.14

Definition at line 38 of file qgsrasterlayertemporalproperties.h.

Constructor & Destructor Documentation

◆ QgsRasterLayerTemporalProperties()

QgsRasterLayerTemporalProperties::QgsRasterLayerTemporalProperties	(	QObject *	parent = `nullptr`,
		bool	enabled = `false`
	)

Constructor for QgsRasterLayerTemporalProperties, with the specified parent object.

The enabled argument specifies whether the temporal properties are initially enabled or not (see isActive()).

Definition at line 23 of file qgsrasterlayertemporalproperties.cpp.

Member Function Documentation

◆ allTemporalRanges()

QList< QgsDateTimeRange > QgsRasterLayerTemporalProperties::allTemporalRanges ( QgsMapLayer * layer ) const

overridevirtual

Attempts to calculate the overall list of all temporal extents which are contained in the specified layer, using the settings defined by the temporal properties object.

May return an empty list if the ranges could not be calculated.

Since: QGIS 3.20

Reimplemented from QgsMapLayerTemporalProperties.

Definition at line 109 of file qgsrasterlayertemporalproperties.cpp.

◆ bandForTemporalRange()

int QgsRasterLayerTemporalProperties::bandForTemporalRange	(	QgsRasterLayer *	layer,
		const QgsDateTimeRange &	range
	)		const

Returns the band corresponding to the specified range.

Note: This is only considered when mode() is Qgis::RasterTemporalMode::FixedRangePerBand. For other modes it will always return -1.

Since: QGIS 3.38

Definition at line 210 of file qgsrasterlayertemporalproperties.cpp.

◆ bandNumber()

int QgsRasterLayerTemporalProperties::bandNumber ( ) const

Returns the band number from which temporal values should be taken.

Note: This is only considered when mode() is Qgis::RasterTemporalMode::RepresentsTemporalValues.

See also: setBandNumber()

Since: QGIS 3.38

Definition at line 284 of file qgsrasterlayertemporalproperties.cpp.

◆ calculateTemporalExtent()

QgsDateTimeRange QgsRasterLayerTemporalProperties::calculateTemporalExtent ( QgsMapLayer * layer ) const

overridevirtual

Attempts to calculate the overall temporal extent for the specified layer, using the settings defined by the temporal properties object.

May return an infinite range if the extent could not be calculated.

Note: Not available in Python bindings

Reimplemented from QgsMapLayerTemporalProperties.

Definition at line 57 of file qgsrasterlayertemporalproperties.cpp.

◆ filteredBandsForTemporalRange()

QList< int > QgsRasterLayerTemporalProperties::filteredBandsForTemporalRange	(	QgsRasterLayer *	layer,
		const QgsDateTimeRange &	range
	)		const

Returns a filtered list of bands which match the specified range.

Since: QGIS 3.38

Definition at line 246 of file qgsrasterlayertemporalproperties.cpp.

◆ fixedRangePerBand()

QMap< int, QgsDateTimeRange > QgsRasterLayerTemporalProperties::fixedRangePerBand ( ) const

Returns the fixed temporal range for each band.

Note: This is only considered when mode() is Qgis::RasterTemporalMode::FixedRangePerBand.

See also: setFixedRangePerBand()

Since: QGIS 3.38

Definition at line 196 of file qgsrasterlayertemporalproperties.cpp.

◆ fixedTemporalRange()

const QgsDateTimeRange & QgsRasterLayerTemporalProperties::fixedTemporalRange ( ) const

Returns the fixed temporal range for the layer.

Warning: To be used only when mode() is Qgis::RasterTemporalMode::FixedTemporalRange

See also: setFixedTemporalRange()

Definition at line 191 of file qgsrasterlayertemporalproperties.cpp.

◆ flags()

QgsTemporalProperty::Flags QgsRasterLayerTemporalProperties::flags ( ) const

overridevirtual

Returns flags associated to the temporal property.

Reimplemented from QgsTemporalProperty.

Definition at line 158 of file qgsrasterlayertemporalproperties.cpp.

◆ intervalHandlingMethod()

Qgis::TemporalIntervalMatchMethod QgsRasterLayerTemporalProperties::intervalHandlingMethod ( ) const

Returns the desired method to use when resolving a temporal interval to matching layers or bands in the data provider.

See also: setIntervalHandlingMethod()

Definition at line 174 of file qgsrasterlayertemporalproperties.cpp.

◆ isVisibleInTemporalRange()

bool QgsRasterLayerTemporalProperties::isVisibleInTemporalRange ( const QgsDateTimeRange & range ) const

overridevirtual

Returns true if the layer should be visible and rendered for the specified time range.

Reimplemented from QgsMapLayerTemporalProperties.

Definition at line 29 of file qgsrasterlayertemporalproperties.cpp.

◆ mode()

Qgis::RasterTemporalMode QgsRasterLayerTemporalProperties::mode ( ) const

Returns the temporal properties mode.

See also: setMode()

Definition at line 146 of file qgsrasterlayertemporalproperties.cpp.

◆ readXml()

bool QgsRasterLayerTemporalProperties::readXml	(	const QDomElement &	element,
		const QgsReadWriteContext &	context
	)

overridevirtual

Reads temporal properties from a DOM element previously written by writeXml().

See also: writeXml()

Implements QgsMapLayerTemporalProperties.

Definition at line 323 of file qgsrasterlayertemporalproperties.cpp.

◆ setBandNumber()

void QgsRasterLayerTemporalProperties::setBandNumber ( int number )

Sets the band number from which temporal values should be taken.

Note: This is only considered when mode() is Qgis::RasterTemporalMode::RepresentsTemporalValues.

See also: bandNumber()

Since: QGIS 3.38

Definition at line 289 of file qgsrasterlayertemporalproperties.cpp.

◆ setDefaultsFromDataProviderTemporalCapabilities()

void QgsRasterLayerTemporalProperties::setDefaultsFromDataProviderTemporalCapabilities ( const QgsDataProviderTemporalCapabilities * capabilities )

overridevirtual

Sets the layers temporal settings to appropriate defaults based on a provider's temporal capabilities.

Implements QgsMapLayerTemporalProperties.

Definition at line 455 of file qgsrasterlayertemporalproperties.cpp.

◆ setFixedRangePerBand()

void QgsRasterLayerTemporalProperties::setFixedRangePerBand ( const QMap< int, QgsDateTimeRange > & ranges )

Sets the fixed temporal range for each band.

Note: This is only considered when mode() is Qgis::RasterTemporalMode::FixedRangePerBand.

See also: fixedRangePerBand()

Since: QGIS 3.38

Definition at line 201 of file qgsrasterlayertemporalproperties.cpp.

◆ setFixedTemporalRange()

void QgsRasterLayerTemporalProperties::setFixedTemporalRange ( const QgsDateTimeRange & range )

Sets a temporal range to apply to the whole layer.

All bands from the raster layer will be rendered whenever the current datetime range of a render context intersects the specified range.

Warning: This setting is only effective when mode() is Qgis::RasterTemporalMode::FixedTemporalRange

See also: fixedTemporalRange()

Definition at line 186 of file qgsrasterlayertemporalproperties.cpp.

◆ setIntervalHandlingMethod()

void QgsRasterLayerTemporalProperties::setIntervalHandlingMethod ( Qgis::TemporalIntervalMatchMethod method )

Sets the desired method to use when resolving a temporal interval to matching layers or bands in the data provider.

See also: intervalHandlingMethod()

Definition at line 179 of file qgsrasterlayertemporalproperties.cpp.

◆ setMode()

void QgsRasterLayerTemporalProperties::setMode ( Qgis::RasterTemporalMode mode )

Sets the temporal properties mode.

See also: mode()

Definition at line 151 of file qgsrasterlayertemporalproperties.cpp.

◆ setTemporalRepresentationOffset()

void QgsRasterLayerTemporalProperties::setTemporalRepresentationOffset ( const QDateTime & offset )

Sets the temporal offset, which is a fixed datetime which should be added to individual pixel values from the layer.

Note: This is only considered when mode() is Qgis::RasterTemporalMode::RepresentsTemporalValues.

See also: temporalRepresentationOffset()

Since: QGIS 3.38

Definition at line 302 of file qgsrasterlayertemporalproperties.cpp.

◆ setTemporalRepresentationScale()

void QgsRasterLayerTemporalProperties::setTemporalRepresentationScale ( const QgsInterval & scale )

Sets the scale, which is an interval factor which should be applied to individual pixel values from the layer.

Note: This is only considered when mode() is Qgis::RasterTemporalMode::RepresentsTemporalValues.

See also: temporalRepresentationScale()

Since: QGIS 3.38

Definition at line 315 of file qgsrasterlayertemporalproperties.cpp.

◆ temporalRepresentationOffset()

QDateTime QgsRasterLayerTemporalProperties::temporalRepresentationOffset ( ) const

Returns the temporal offset, which is a fixed datetime which should be added to individual pixel values from the layer.

Note: This is only considered when mode() is Qgis::RasterTemporalMode::RepresentsTemporalValues.

See also: setTemporalRepresentationOffset()

Since: QGIS 3.38

Definition at line 297 of file qgsrasterlayertemporalproperties.cpp.

◆ temporalRepresentationScale()

const QgsInterval & QgsRasterLayerTemporalProperties::temporalRepresentationScale ( ) const

Returns the scale, which is an interval factor which should be applied to individual pixel values from the layer.

Note: This is only considered when mode() is Qgis::RasterTemporalMode::RepresentsTemporalValues.

See also: setTemporalRepresentationScale()

Since: QGIS 3.38

Definition at line 310 of file qgsrasterlayertemporalproperties.cpp.

◆ writeXml()

QDomElement QgsRasterLayerTemporalProperties::writeXml	(	QDomElement &	element,
		QDomDocument &	doc,
		const QgsReadWriteContext &	context
	)

overridevirtual

Writes the properties to a DOM element, to be used later with readXml().

See also: readXml()

Implements QgsMapLayerTemporalProperties.

Definition at line 387 of file qgsrasterlayertemporalproperties.cpp.

The documentation for this class was generated from the following files:

/build/qgis-3.41.0+git20241225+af5edcb665c+99sid/src/core/raster/qgsrasterlayertemporalproperties.h
/build/qgis-3.41.0+git20241225+af5edcb665c+99sid/src/core/raster/qgsrasterlayertemporalproperties.cpp

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ QgsRasterLayerTemporalProperties()

Member Function Documentation

◆ allTemporalRanges()

◆ bandForTemporalRange()

◆ bandNumber()

◆ calculateTemporalExtent()

◆ filteredBandsForTemporalRange()

◆ fixedRangePerBand()

◆ fixedTemporalRange()

◆ flags()

◆ intervalHandlingMethod()

◆ isVisibleInTemporalRange()

◆ mode()

◆ readXml()

◆ setBandNumber()

◆ setDefaultsFromDataProviderTemporalCapabilities()

◆ setFixedRangePerBand()

◆ setFixedTemporalRange()

◆ setIntervalHandlingMethod()

◆ setMode()

◆ setTemporalRepresentationOffset()

◆ setTemporalRepresentationScale()

◆ temporalRepresentationOffset()

◆ temporalRepresentationScale()

◆ writeXml()