Temporal Reference System::TM

: Public Class

Created:	10/04/2008 12:16:15
Modified:	09/12/2011 12:09:43

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UUID:	{2E5F03A1-7400-41ab-90BC-FADE696EA77E}
Appears In:	Summary diagram: Temporal Reference System, ISO-TRS (for information), Reference System, Calendar, Main, Fig7: Temporal reference systems, Fig8: Calendar and clock, Context Diagram: TM_ReferenceSystem, Context Diagram: TM_Calendar, Context Diagram: TM_Clock

A system for measuring temporal position within a day.

Attribute

Public CharacterString
referenceEvent

Notes:

The name or description of an event, such as solar noon or sunrise, which fixes the position of the base scale of the clock.

Public TM_ClockTime
referenceTime

Notes:

The time of day associated with the referenceEvent, expressed as time on this TM_Clock.

Public TM_ClockTime
utcReference

Notes:

The time of day associated with the referenceEvent expressed as a time in UTC or a related standard time.

Operation

Public
clkTrans(

Details:

sequential

Notes:

This operation accepts a time expressed in UTC and returns a time expressed in this TM_Clock.

Public
utcTrans(

Details:

sequential

Notes:

This operation accepts a time of day on TM_Clock and returns a time expressed as UTC or a related standard time.

Element	Source Role	Target Role
TM_Calendar Class	Name: timeBasis	Name: dateBasis
Details: This association links TM_Calendar to TM_Clock, which supports specification of a temporal position within a caklendar day.<br/>

Object	Type	Connection	Direction	Notes
TM_ReferenceSystem	Class	Generalization	To