SChartTimePeriod represents a period of time. It starts at a point in time, and has a length defined by an instance of
SChartTimePeriod are used by the discontinuous date/time axis (defined in
SChartDiscontinuousDateTimeAxis). The axis defines periods of time over which it will skip.
Initializes and returns a newly allocated time period object, starting at the specified start date and running for the specified amount of time.
- (id)initWithStart:(NSDate *)start andLength:(SChartDateFrequency *)length
The start date of the new time period.
The length of the time period, expressed as a
An initialized time period object, or
nil if the object couldn’t be created.
Returns the length of the time period, expressed as a
- (SChartDateFrequency *)periodLength