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TimeAware Class


A pure virtual interface implemented by classes that support time. More...

Public Functions

virtual ~TimeAware()
virtual TimeExtent fullTimeExtent() const = 0
virtual bool isSupportsTimeFiltering() const = 0
virtual bool isTimeFilteringEnabled() const = 0
virtual void setTimeFilteringEnabled(bool timeFilteringEnabled) = 0
virtual void setTimeOffset(const TimeValue &timeOffset) = 0
virtual TimeValue timeInterval() const = 0
virtual TimeValue timeOffset() const = 0

Protected Functions

Detailed Description

A pure virtual interface implemented by classes that support time.

When time is enabled on layer, data can be filtered and fetched based on a time range.

All classes that implement TimeAware include the following signal.

void TimeAware::fullTimeExtentChanged()

Member Function Documentation

[protected] TimeAware::TimeAware()


[virtual] TimeAware::~TimeAware()


[pure virtual] TimeExtent TimeAware::fullTimeExtent() const

Returns the full time extent of the layer.

[pure virtual] bool TimeAware::isSupportsTimeFiltering() const

Returns whether the layer supports filtering its contents by time values.

[pure virtual] bool TimeAware::isTimeFilteringEnabled() const

Returns whether the layer participates in filtering based on the time extent of its geoview.

[pure virtual] void TimeAware::setTimeFilteringEnabled(bool timeFilteringEnabled)

Sets whether the layer uses the time range defined on the geoview to timeFilteringEnabled.

See also isTimeFilteringEnabled().

[pure virtual] void TimeAware::setTimeOffset(const TimeValue &timeOffset)

Sets the time offset of the layer to timeOffset.

The time offset is subtracted from the time extent set on the layer's geoview. This can be used to overlay data from different periods of time for comparison.

See also timeOffset().

[pure virtual] TimeValue TimeAware::timeInterval() const

Returns a time interval that represents the suggested step size for use when manipulating the time extent.

This information can be used to set the step size for a time slider control. Can return nullptr if no time interval is suggested.

[pure virtual] TimeValue TimeAware::timeOffset() const

Returns the applied time offset.

See also setTimeOffset().

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