QGIS API Documentation 3.40.0-Bratislava (b56115d8743)
|
Implementation of map layer temporal properties for raster layers. More...
#include <qgsrasterlayertemporalproperties.h>
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. | |
Implementation of map layer temporal properties for raster layers.
Definition at line 38 of file qgsrasterlayertemporalproperties.h.
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 22 of file qgsrasterlayertemporalproperties.cpp.
|
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.
Reimplemented from QgsMapLayerTemporalProperties.
Definition at line 108 of file qgsrasterlayertemporalproperties.cpp.
int QgsRasterLayerTemporalProperties::bandForTemporalRange | ( | QgsRasterLayer * | layer, |
const QgsDateTimeRange & | range | ||
) | const |
Returns the band corresponding to the specified range.
Definition at line 209 of file qgsrasterlayertemporalproperties.cpp.
int QgsRasterLayerTemporalProperties::bandNumber | ( | ) | const |
Returns the band number from which temporal values should be taken.
Definition at line 283 of file qgsrasterlayertemporalproperties.cpp.
|
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.
Reimplemented from QgsMapLayerTemporalProperties.
Definition at line 56 of file qgsrasterlayertemporalproperties.cpp.
QList< int > QgsRasterLayerTemporalProperties::filteredBandsForTemporalRange | ( | QgsRasterLayer * | layer, |
const QgsDateTimeRange & | range | ||
) | const |
Returns a filtered list of bands which match the specified range.
Definition at line 245 of file qgsrasterlayertemporalproperties.cpp.
QMap< int, QgsDateTimeRange > QgsRasterLayerTemporalProperties::fixedRangePerBand | ( | ) | const |
Returns the fixed temporal range for each band.
Definition at line 195 of file qgsrasterlayertemporalproperties.cpp.
const QgsDateTimeRange & QgsRasterLayerTemporalProperties::fixedTemporalRange | ( | ) | const |
Returns the fixed temporal range for the layer.
Definition at line 190 of file qgsrasterlayertemporalproperties.cpp.
|
overridevirtual |
Returns flags associated to the temporal property.
Reimplemented from QgsTemporalProperty.
Definition at line 157 of file qgsrasterlayertemporalproperties.cpp.
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.
Definition at line 173 of file qgsrasterlayertemporalproperties.cpp.
|
overridevirtual |
Returns true
if the layer should be visible and rendered for the specified time range.
Reimplemented from QgsMapLayerTemporalProperties.
Definition at line 28 of file qgsrasterlayertemporalproperties.cpp.
Qgis::RasterTemporalMode QgsRasterLayerTemporalProperties::mode | ( | ) | const |
Returns the temporal properties mode.
Definition at line 145 of file qgsrasterlayertemporalproperties.cpp.
|
overridevirtual |
Reads temporal properties from a DOM element previously written by writeXml().
Implements QgsMapLayerTemporalProperties.
Definition at line 322 of file qgsrasterlayertemporalproperties.cpp.
void QgsRasterLayerTemporalProperties::setBandNumber | ( | int | number | ) |
Sets the band number from which temporal values should be taken.
Definition at line 288 of file qgsrasterlayertemporalproperties.cpp.
|
overridevirtual |
Sets the layers temporal settings to appropriate defaults based on a provider's temporal capabilities.
Implements QgsMapLayerTemporalProperties.
Definition at line 454 of file qgsrasterlayertemporalproperties.cpp.
void QgsRasterLayerTemporalProperties::setFixedRangePerBand | ( | const QMap< int, QgsDateTimeRange > & | ranges | ) |
Sets the fixed temporal range for each band.
Definition at line 200 of file qgsrasterlayertemporalproperties.cpp.
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.
Definition at line 185 of file qgsrasterlayertemporalproperties.cpp.
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.
Definition at line 178 of file qgsrasterlayertemporalproperties.cpp.
void QgsRasterLayerTemporalProperties::setMode | ( | Qgis::RasterTemporalMode | mode | ) |
Sets the temporal properties mode.
Definition at line 150 of file qgsrasterlayertemporalproperties.cpp.
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.
Definition at line 301 of file qgsrasterlayertemporalproperties.cpp.
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.
Definition at line 314 of file qgsrasterlayertemporalproperties.cpp.
QDateTime QgsRasterLayerTemporalProperties::temporalRepresentationOffset | ( | ) | const |
Returns the temporal offset, which is a fixed datetime which should be added to individual pixel values from the layer.
Definition at line 296 of file qgsrasterlayertemporalproperties.cpp.
const QgsInterval & QgsRasterLayerTemporalProperties::temporalRepresentationScale | ( | ) | const |
Returns the scale, which is an interval factor which should be applied to individual pixel values from the layer.
Definition at line 309 of file qgsrasterlayertemporalproperties.cpp.
|
overridevirtual |
Writes the properties to a DOM element, to be used later with readXml().
Implements QgsMapLayerTemporalProperties.
Definition at line 386 of file qgsrasterlayertemporalproperties.cpp.