32#include <QRegularExpression>
41 mStartDateTime->setDateTimeRange( QDateTime( QDate( 1, 1, 1 ), QTime( 0, 0, 0 ) ), mStartDateTime->maximumDateTime() );
42 mEndDateTime->setDateTimeRange( QDateTime( QDate( 1, 1, 1 ), QTime( 0, 0, 0 ) ), mStartDateTime->maximumDateTime() );
43 mFixedRangeStartDateTime->setDateTimeRange( QDateTime( QDate( 1, 1, 1 ), QTime( 0, 0, 0 ) ), mStartDateTime->maximumDateTime() );
44 mFixedRangeEndDateTime->setDateTimeRange( QDateTime( QDate( 1, 1, 1 ), QTime( 0, 0, 0 ) ), mStartDateTime->maximumDateTime() );
63 mNavigationObject->
pause();
71 mNavigationObject->
next();
82 connect( mAnimationLoopingCheckBox, &QCheckBox::toggled,
this, [ = ](
bool state ) { mNavigationObject->
setLooping( state ); mMovieLoopingCheckBox->setChecked( state ); } );
83 connect( mMovieLoopingCheckBox, &QCheckBox::toggled,
this, [ = ](
bool state ) { mNavigationObject->
setLooping( state ); mAnimationLoopingCheckBox->setChecked( state ); } );
85 setWidgetStateFromNavigationMode( mNavigationObject->
navigationMode() );
90 if ( mBlockFrameDurationUpdates )
93 mBlockFrameDurationUpdates++;
94 updateTimeStepInputs( timeStep );
95 mBlockFrameDurationUpdates--;
97 connect( mNavigationOff, &QPushButton::clicked,
this, &QgsTemporalControllerWidget::mNavigationOff_clicked );
98 connect( mNavigationFixedRange, &QPushButton::clicked,
this, &QgsTemporalControllerWidget::mNavigationFixedRange_clicked );
99 connect( mNavigationAnimated, &QPushButton::clicked,
this, &QgsTemporalControllerWidget::mNavigationAnimated_clicked );
100 connect( mNavigationMovie, &QPushButton::clicked,
this, &QgsTemporalControllerWidget::mNavigationMovie_clicked );
104 mAnimationController->setState( state );
105 mMovieController->setState( state );
108 connect( mStartDateTime, &QDateTimeEdit::dateTimeChanged,
this, &QgsTemporalControllerWidget::startEndDateTime_changed );
109 connect( mEndDateTime, &QDateTimeEdit::dateTimeChanged,
this, &QgsTemporalControllerWidget::startEndDateTime_changed );
110 connect( mFixedRangeStartDateTime, &QDateTimeEdit::dateTimeChanged,
this, &QgsTemporalControllerWidget::fixedRangeStartEndDateTime_changed );
111 connect( mFixedRangeEndDateTime, &QDateTimeEdit::dateTimeChanged,
this, &QgsTemporalControllerWidget::fixedRangeStartEndDateTime_changed );
112 connect( mStepSpinBox, qOverload<double>( &QDoubleSpinBox::valueChanged ),
this, &QgsTemporalControllerWidget::updateFrameDuration );
113 connect( mTimeStepsComboBox, qOverload<int>( &QComboBox::currentIndexChanged ),
this, &QgsTemporalControllerWidget::updateFrameDuration );
114 connect( mAnimationSlider, &QSlider::valueChanged,
this, &QgsTemporalControllerWidget::timeSlider_valueChanged );
115 connect( mMovieSlider, &QSlider::valueChanged,
this, &QgsTemporalControllerWidget::timeSlider_valueChanged );
117 connect( mTotalFramesSpinBox, qOverload<int>( &QSpinBox::valueChanged ),
this, [ = ](
int frames )
122 mStepSpinBox->setClearValue( 1 );
127 connect( mSettings, &QPushButton::clicked,
this, &QgsTemporalControllerWidget::settings_clicked );
131 mRangeMenu.reset(
new QMenu(
this ) );
133 mRangeSetToAllLayersAction =
new QAction( tr(
"Set to Full Range" ), mRangeMenu.get() );
135 connect( mRangeSetToAllLayersAction, &QAction::triggered,
this, &QgsTemporalControllerWidget::mRangeSetToAllLayersAction_triggered );
136 mRangeMenu->addAction( mRangeSetToAllLayersAction );
138 mRangeSetToProjectAction =
new QAction( tr(
"Set to Preset Project Range" ), mRangeMenu.get() );
139 connect( mRangeSetToProjectAction, &QAction::triggered,
this, &QgsTemporalControllerWidget::mRangeSetToProjectAction_triggered );
140 mRangeMenu->addAction( mRangeSetToProjectAction );
142 mRangeMenu->addSeparator();
144 mRangeLayersSubMenu.reset(
new QMenu( tr(
"Set to Single Layer's Range" ), mRangeMenu.get() ) );
145 mRangeLayersSubMenu->setEnabled(
false );
146 mRangeMenu->addMenu( mRangeLayersSubMenu.get() );
147 connect( mRangeMenu.get(), &QMenu::aboutToShow,
this, &QgsTemporalControllerWidget::aboutToShowRangeMenu );
149 mSetRangeButton->setPopupMode( QToolButton::MenuButtonPopup );
150 mSetRangeButton->setMenu( mRangeMenu.get() );
151 mSetRangeButton->setDefaultAction( mRangeSetToAllLayersAction );
152 mFixedRangeSetRangeButton->setPopupMode( QToolButton::MenuButtonPopup );
153 mFixedRangeSetRangeButton->setMenu( mRangeMenu.get() );
154 mFixedRangeSetRangeButton->setDefaultAction( mRangeSetToAllLayersAction );
164 if ( range.
begin().isValid() && range.
end().isValid() )
194 mStepSpinBox->setDecimals( 3 );
196 mStepSpinBox->setMinimum( 0.001 );
197 mStepSpinBox->setMaximum( std::numeric_limits<int>::max() );
198 mStepSpinBox->setSingleStep( 1 );
199 mStepSpinBox->setValue( 1 );
201 updateFrameDuration();
215 if ( ( mAnimationSlider->hasFocus() || mMovieSlider->hasFocus() ) && e->key() == Qt::Key_Space )
217 mAnimationController->togglePause();
223void QgsTemporalControllerWidget::aboutToShowRangeMenu()
228 mRangeSetToProjectAction->setEnabled( projectRange.
begin().isValid() && projectRange.
end().isValid() );
230 mRangeLayersSubMenu->clear();
231 for (
int i = 0; i < mMapLayerModel->
rowCount(); ++i )
233 const QModelIndex index = mMapLayerModel->
index( i, 0 );
238 const QIcon icon = qvariant_cast<QIcon>( mMapLayerModel->
data( index, Qt::DecorationRole ) );
239 const QString text = mMapLayerModel->
data( index, Qt::DisplayRole ).toString();
241 if ( range.
begin().isValid() && range.
end().isValid() )
243 QAction *action =
new QAction( icon, text, mRangeLayersSubMenu.get() );
244 connect( action, &QAction::triggered,
this, [ = ]
247 saveRangeToProject();
249 mRangeLayersSubMenu->addAction( action );
252 mRangeLayersSubMenu->setEnabled( !mRangeLayersSubMenu->actions().isEmpty() );
255void QgsTemporalControllerWidget::updateTemporalExtent()
259 const QDateTime start = mStartDateTime->dateTime();
260 const QDateTime end = mEndDateTime->dateTime();
261 const bool isTimeInstant = start == end;
265 mAnimationSlider->setRange( 0, mNavigationObject->
totalFrameCount() - 1 );
271void QgsTemporalControllerWidget::updateFrameDuration()
273 if ( mBlockSettingUpdates )
281 if ( !mBlockFrameDurationUpdates )
288 mAnimationSlider->setRange( 0, mNavigationObject->
totalFrameCount() - 1 );
295 mStepSpinBox->setEnabled(
false );
296 mStepSpinBox->setValue( 1 );
297 mAnimationSlider->setTickInterval( 1 );
298 mAnimationSlider->setTickPosition( QSlider::TicksBothSides );
302 mStepSpinBox->setEnabled(
true );
303 mAnimationSlider->setTickInterval( 0 );
304 mAnimationSlider->setTickPosition( QSlider::NoTicks );
308void QgsTemporalControllerWidget::setWidgetStateFromProject()
310 mBlockSettingUpdates++;
313 mBlockSettingUpdates--;
317 QStringLiteral(
"/NavigationMode" ), 0, &ok ) );
321 setWidgetStateFromNavigationMode( mode );
332 const QString startString =
QgsProject::instance()->
readEntry( QStringLiteral(
"TemporalControllerWidget" ), QStringLiteral(
"/StartDateTime" ) );
333 const QString endString =
QgsProject::instance()->
readEntry( QStringLiteral(
"TemporalControllerWidget" ), QStringLiteral(
"/EndDateTime" ) );
334 if ( !startString.isEmpty() && !endString.isEmpty() )
336 whileBlocking( mStartDateTime )->setDateTime( QDateTime::fromString( startString, Qt::ISODateWithMs ) );
337 whileBlocking( mEndDateTime )->setDateTime( QDateTime::fromString( endString, Qt::ISODateWithMs ) );
338 whileBlocking( mFixedRangeStartDateTime )->setDateTime( QDateTime::fromString( startString, Qt::ISODateWithMs ) );
339 whileBlocking( mFixedRangeEndDateTime )->setDateTime( QDateTime::fromString( endString, Qt::ISODateWithMs ) );
343 setDatesToProjectTime(
false );
345 updateTemporalExtent();
346 updateFrameDuration();
352void QgsTemporalControllerWidget::mNavigationOff_clicked()
361void QgsTemporalControllerWidget::mNavigationFixedRange_clicked()
370void QgsTemporalControllerWidget::mNavigationAnimated_clicked()
379void QgsTemporalControllerWidget::mNavigationMovie_clicked()
398 mNavigationModeStackedWidget->setCurrentIndex( 0 );
401 mNavigationModeStackedWidget->setCurrentIndex( 1 );
404 mNavigationModeStackedWidget->setCurrentIndex( 2 );
407 mNavigationModeStackedWidget->setCurrentIndex( 3 );
412void QgsTemporalControllerWidget::onLayersAdded(
const QList<QgsMapLayer *> &layers )
414 if ( !mHasTemporalLayersLoaded )
418 if ( layer->temporalProperties() )
420 mHasTemporalLayersLoaded |= layer->temporalProperties()->isActive();
422 if ( !mHasTemporalLayersLoaded )
426 if ( layer->isValid() && layer->temporalProperties()->isActive() && !mHasTemporalLayersLoaded )
428 mHasTemporalLayersLoaded = true;
429 firstTemporalLayerLoaded( layer );
430 mNavigationObject->setAvailableTemporalRanges( QgsTemporalUtils::usedTemporalRangesForProject( QgsProject::instance() ) );
435 firstTemporalLayerLoaded( layer );
443void QgsTemporalControllerWidget::firstTemporalLayerLoaded(
QgsMapLayer *layer )
445 setDatesToProjectTime(
true );
447 if (
QgsMeshLayer *meshLayer = qobject_cast<QgsMeshLayer *>( layer ) )
449 mBlockFrameDurationUpdates++;
450 setTimeStep( meshLayer->firstValidTimeStep() );
451 mBlockFrameDurationUpdates--;
452 updateFrameDuration();
454 else if (
QgsRasterLayer *rasterLayer = qobject_cast<QgsRasterLayer *>( layer ) )
456 if ( rasterLayer->dataProvider() && rasterLayer->dataProvider()->temporalCapabilities() )
458 mBlockFrameDurationUpdates++;
459 setTimeStep( rasterLayer->dataProvider()->temporalCapabilities()->defaultInterval() );
460 mBlockFrameDurationUpdates--;
461 updateFrameDuration();
466void QgsTemporalControllerWidget::onProjectCleared()
468 mHasTemporalLayersLoaded =
false;
475 const QTime startOfCurrentHour = QTime( QTime::currentTime().hour(), 0, 0 );
476 const QDateTime end = QDateTime( QDate::currentDate(), startOfCurrentHour, Qt::UTC );
477 const QDateTime start = end.addSecs( -24 * 60 * 60 );
481 whileBlocking( mFixedRangeStartDateTime )->setDateTime( start );
484 updateTemporalExtent();
486 mStepSpinBox->setValue( 1 );
489void QgsTemporalControllerWidget::updateSlider(
const QgsDateTimeRange &range )
493 updateRangeLabel( range );
496void QgsTemporalControllerWidget::totalMovieFramesChanged(
long long frames )
499 mTotalFramesSpinBox->setValue( frames );
500 mCurrentRangeLabel->setText( tr(
"Current frame: %1/%2" ).arg( mNavigationObject->
currentFrameNumber() ).arg( frames ) );
503void QgsTemporalControllerWidget::updateRangeLabel(
const QgsDateTimeRange &range )
505 QString timeFrameFormat = QStringLiteral(
"yyyy-MM-dd HH:mm:ss" );
508 timeFrameFormat = QStringLiteral(
"yyyy-MM-dd HH:mm:ss.zzz" );
512 mCurrentRangeLabel->setText( tr(
"Current frame: %1 ≤ <i>t</i> < %2" ).arg(
513 range.
begin().toString( timeFrameFormat ),
514 range.
end().toString( timeFrameFormat ) ) );
517 mCurrentRangeLabel->setText( tr(
"Range: %1 ≤ <i>t</i> < %2" ).arg(
518 range.
begin().toString( timeFrameFormat ),
519 range.
end().toString( timeFrameFormat ) ) );
522 mCurrentRangeLabel->setText( tr(
"Temporal navigation disabled" ) );
532 return mNavigationObject;
535void QgsTemporalControllerWidget::settings_clicked()
537 QgsTemporalMapSettingsWidget *settingsWidget =
new QgsTemporalMapSettingsWidget(
this );
538 settingsWidget->setFrameRateValue( mNavigationObject->
framesPerSecond() );
541 connect( settingsWidget, &QgsTemporalMapSettingsWidget::frameRateChanged,
this, [ = ](
double rate )
548 connect( settingsWidget, &QgsTemporalMapSettingsWidget::temporalRangeCumulativeChanged,
this, [ = ](
bool state )
557void QgsTemporalControllerWidget::timeSlider_valueChanged(
int value )
562void QgsTemporalControllerWidget::startEndDateTime_changed()
564 whileBlocking( mFixedRangeStartDateTime )->setDateTime( mStartDateTime->dateTime() );
565 whileBlocking( mFixedRangeEndDateTime )->setDateTime( mEndDateTime->dateTime() );
567 updateTemporalExtent();
568 saveRangeToProject();
571void QgsTemporalControllerWidget::fixedRangeStartEndDateTime_changed()
573 whileBlocking( mStartDateTime )->setDateTime( mFixedRangeStartDateTime->dateTime() );
574 whileBlocking( mEndDateTime )->setDateTime( mFixedRangeEndDateTime->dateTime() );
576 updateTemporalExtent();
577 saveRangeToProject();
580void QgsTemporalControllerWidget::mRangeSetToAllLayersAction_triggered()
582 setDatesToAllLayers();
583 saveRangeToProject();
586void QgsTemporalControllerWidget::setTimeStep(
const QgsInterval &timeStep )
591 int selectedUnit = -1;
592 double selectedValue = std::numeric_limits<double>::max();
598 int stringSize = std::numeric_limits<int>::max();
599 const int precision = mStepSpinBox->decimals();
600 for (
int i = 0; i < mTimeStepsComboBox->count(); ++i )
604 QString
string = QString::number( value,
'f',
precision );
606 const thread_local QRegularExpression trailingZeroRegEx = QRegularExpression( QStringLiteral(
"0+$" ) );
608 string.remove( trailingZeroRegEx );
610 const thread_local QRegularExpression trailingPointRegEx = QRegularExpression( QStringLiteral(
"[.]+$" ) );
612 string.remove( trailingPointRegEx );
615 &&
string.size() <= stringSize
616 && value < selectedValue )
619 selectedValue = value;
620 stringSize =
string.size();
622 else if (
string !=
'0'
624 &&
string.size() < stringSize )
627 selectedValue = value ;
628 stringSize =
string.size();
634 selectedUnit = mTimeStepsComboBox->findData(
static_cast< int >( timeStep.
originalUnit() ) );
638 if ( selectedUnit >= 0 )
640 mStepSpinBox->setValue( selectedValue );
641 mTimeStepsComboBox->setCurrentIndex( selectedUnit );
644 updateFrameDuration();
647void QgsTemporalControllerWidget::updateTimeStepInputs(
const QgsInterval &timeStep )
652 QString timeDisplayFormat = QStringLiteral(
"yyyy-MM-dd HH:mm:ss" );
655 timeDisplayFormat = QStringLiteral(
"yyyy-MM-dd HH:mm:ss.zzz" );
657 updateTemporalExtent();
659 mStartDateTime->setDisplayFormat( timeDisplayFormat );
660 mEndDateTime->setDisplayFormat( timeDisplayFormat );
661 mFixedRangeStartDateTime->setDisplayFormat( timeDisplayFormat );
662 mFixedRangeEndDateTime->setDisplayFormat( timeDisplayFormat );
665 if ( timeStep ==
QgsInterval( mStepSpinBox->value(),
672 mTimeStepsComboBox->setCurrentIndex( mTimeStepsComboBox->findData(
static_cast< int >( timeStep.
originalUnit() ) ) );
675 updateFrameDuration();
678void QgsTemporalControllerWidget::mRangeSetToProjectAction_triggered()
680 setDatesToProjectTime(
false );
681 saveRangeToProject();
686 if ( range.
begin().isValid() && range.
end().isValid() )
692 updateTemporalExtent();
696void QgsTemporalControllerWidget::setDatesToAllLayers()
705void QgsTemporalControllerWidget::setDatesToProjectTime(
bool tryLastStoredRange )
709 if ( tryLastStoredRange )
711 const QString startString =
QgsProject::instance()->
readEntry( QStringLiteral(
"TemporalControllerWidget" ), QStringLiteral(
"/StartDateTime" ) );
712 const QString endString =
QgsProject::instance()->
readEntry( QStringLiteral(
"TemporalControllerWidget" ), QStringLiteral(
"/EndDateTime" ) );
713 if ( !startString.isEmpty() && !endString.isEmpty() )
715 range =
QgsDateTimeRange( QDateTime::fromString( startString, Qt::ISODateWithMs ),
716 QDateTime::fromString( endString, Qt::ISODateWithMs ) );
725 if ( !range.
begin().isValid() || !range.
end().isValid() )
735void QgsTemporalControllerWidget::saveRangeToProject()
738 QStringLiteral(
"/StartDateTime" ), mStartDateTime->dateTime().toTimeSpec( Qt::OffsetFromUTC ).toString( Qt::ISODateWithMs ) );
740 QStringLiteral(
"/EndDateTime" ), mEndDateTime->dateTime().toTimeSpec( Qt::OffsetFromUTC ).toString( Qt::ISODateWithMs ) );
TemporalNavigationMode
Temporal navigation modes.
@ Animated
Temporal navigation relies on frames within a datetime range.
@ Movie
Movie mode – behaves like a video player, with a fixed frame duration and no temporal range.
@ FixedRange
Temporal navigation relies on a fixed datetime range.
@ Disabled
Temporal navigation is disabled.
PlaybackOperation
Media playback operations.
@ PlayReverse
Play in reverse.
@ PlayForward
Play forward.
@ SkipToStart
Jump to start of playback.
@ PreviousFrame
Step to previous frame.
@ SkipToEnd
Jump to end of playback.
@ NextFrame
Step to next frame.
TemporalUnit
Temporal units.
@ IrregularStep
Special 'irregular step' time unit, used for temporal data which uses irregular, non-real-world unit ...
@ Milliseconds
Milliseconds.
@ Unknown
Unknown time unit.
AnimationState
Animation states.
static QIcon getThemeIcon(const QString &name, const QColor &fillColor=QColor(), const QColor &strokeColor=QColor())
Helper to get a theme icon.
A representation of the interval between two datetime values.
double originalDuration() const
Returns the original interval duration.
bool isValid() const
Returns true if the interval is valid.
double seconds() const
Returns the interval duration in seconds.
Qgis::TemporalUnit originalUnit() const
Returns the original interval temporal unit.
The QgsMapLayerModel class is a model to display layers in widgets.
int rowCount(const QModelIndex &parent=QModelIndex()) const override
QVariant data(const QModelIndex &index, int role=Qt::DisplayRole) const override
QModelIndex index(int row, int column, const QModelIndex &parent=QModelIndex()) const override
@ Layer
Stores pointer to the map layer itself.
virtual QgsDateTimeRange calculateTemporalExtent(QgsMapLayer *layer) const
Attempts to calculate the overall temporal extent for the specified layer, using the settings defined...
Base class for all map layer types.
void dataSourceChanged()
Emitted whenever the layer's data source has been changed.
virtual QgsMapLayerTemporalProperties * temporalProperties()
Returns the layer's temporal properties.
Represents a mesh layer supporting display of data on structured or unstructured meshes.
QgsDateTimeRange temporalRange() const
Returns the project's temporal range, which indicates the earliest and latest datetime ranges associa...
void setTotalMovieFrames(long long frames)
Sets the total number of frames for the movie.
void setFramesPerSecond(double rate)
Sets the project's default animation frame rate, in frames per second.
Qgis::TemporalUnit timeStepUnit() const
Returns the project's time step (length of one animation frame) unit, which is used as the default va...
void setTimeStepUnit(Qgis::TemporalUnit unit)
Sets the project's time step (length of one animation frame) unit, which is used as the default value...
void setIsTemporalRangeCumulative(bool state)
Sets the project's temporal range as cumulative in animation settings.
void setTimeStep(double step)
Sets the project's time step (length of one animation frame), which is used as the default value when...
int readNumEntry(const QString &scope, const QString &key, int def=0, bool *ok=nullptr) const
Reads an integer from the specified scope and key.
static QgsProject * instance()
Returns the QgsProject singleton instance.
void cleared()
Emitted when the project is cleared (and additionally when an open project is cleared just before a n...
QString readEntry(const QString &scope, const QString &key, const QString &def=QString(), bool *ok=nullptr) const
Reads a string from the specified scope and key.
bool writeEntry(const QString &scope, const QString &key, bool value)
Write a boolean value to the project file.
void readProject(const QDomDocument &document)
Emitted when a project is being read.
void layersAdded(const QList< QgsMapLayer * > &layers)
Emitted when one or more layers were added to the registry.
const QgsProjectTimeSettings * timeSettings() const
Returns the project's time settings, which contains the project's temporal range and other time based...
Represents a raster layer.
void updateTemporalRange(const QgsDateTimeRange &range)
Signals that a temporal range has changed and needs to be updated in all connected objects.
Implements a temporal controller based on a frame by frame navigation and animation.
void stateChanged(Qgis::AnimationState state)
Emitted whenever the animation state changes.
long long totalMovieFrames() const
Returns the total number of frames for the movie.
void previous()
Jumps back to the previous frame.
double framesPerSecond() const
Returns the animation frame rate, in frames per second.
void setAvailableTemporalRanges(const QList< QgsDateTimeRange > &ranges)
Sets the list of all available temporal ranges which have data available.
void setFrameDuration(const QgsInterval &duration)
Sets the frame duration, which dictates the temporal length of each frame in the animation.
void navigationModeChanged(Qgis::TemporalNavigationMode mode)
Emitted whenever the navigation mode changes.
void setNavigationMode(const Qgis::TemporalNavigationMode mode)
Sets the temporal navigation mode.
void playForward()
Starts the animation playing in a forward direction up till the end of all frames.
long long currentFrameNumber() const
Returns the current frame number.
void rewindToStart()
Rewinds the temporal navigation to start of the temporal extent.
void pause()
Pauses the temporal navigation.
void setCurrentFrameNumber(long long frame)
Sets the current animation frame number.
long long totalFrameCount() const
Returns the total number of frames for the navigation.
void skipToEnd()
Skips the temporal navigation to end of the temporal extent.
void temporalFrameDurationChanged(const QgsInterval &interval)
Emitted whenever the frameDuration interval of the controller changes.
void setFramesPerSecond(double rate)
Sets the animation frame rate, in frames per second.
bool temporalRangeCumulative() const
Returns the animation temporal range cumulative settings.
void next()
Advances to the next frame.
void totalMovieFramesChanged(long long frames)
Emitted whenever the total number of frames in the movie is changed.
void setTotalMovieFrames(long long frames)
Sets the total number of frames for the movie.
void setTemporalExtents(const QgsDateTimeRange &extents)
Sets the navigation temporal extents, which dictate the earliest and latest date time possible in the...
Qgis::TemporalNavigationMode navigationMode() const
Returns the current temporal navigation mode.
void setTemporalRangeCumulative(bool state)
Sets the animation temporal range as cumulative.
void setLooping(bool loop)
Sets whether the animation should loop after hitting the end or start frame.
void playBackward()
Starts the animation playing in a reverse direction until the beginning of the time range.
void temporalExtentsChanged(const QgsDateTimeRange &extent)
Emitted whenever the temporalExtent extent changes.
bool isActive() const
Returns true if the temporal property is active.
T begin() const
Returns the beginning of the range.
T end() const
Returns the upper bound of the range.
static QgsDateTimeRange calculateTemporalRangeForProject(QgsProject *project)
Calculates the temporal range for a project.
static QList< QgsDateTimeRange > usedTemporalRangesForProject(QgsProject *project)
Calculates all temporal ranges which are in use for a project.
static Q_INVOKABLE QString toString(Qgis::DistanceUnit unit)
Returns a translated string representing a distance unit.
static Q_INVOKABLE double fromUnitToUnitFactor(Qgis::DistanceUnit fromUnit, Qgis::DistanceUnit toUnit)
Returns the conversion factor between the specified distance units.
QgsSignalBlocker< Object > whileBlocking(Object *object)
Temporarily blocks signals from a QObject while calling a single method from the object.
QgsTemporalRange< QDateTime > QgsDateTimeRange
QgsRange which stores a range of date times.