positions
,
positionsNumeric
, and
positionsCalendar
classes
are virtual classes that represent positions for
series
objects.
The
timeInterval
class represents time intervals.
The
positionsNumeric
class extends
positions
, and it is extended by
numeric
and
numericSequence
. The
positionsCalendar
class extends
positions
, and it is extended by
timeDate
and
timeSequence
.
The timeInterval class is extended by
timeSpan
and
timeRelative
.