Datatypes::Unit

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EAST-ADL / Infrastructure / Datatypes / Unit

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Unit : Public Class Datatypes
A Unit describes a unit used for numerical values of a datatype. It may relate to another unit to enable conversions. It may also reference a quantity to give a dimension of the unit.<br/><br/>As a unit conversion example: <br/>The Unit with name Second has the factor 1000, and the reference Millisecond, i.e.:<br/>second = 1000 * millisecond <br/>Moreover the Unit may be given a symbol and an offset, for example:<br/>The Unit Fahrenheit with factor 1.8 and offset 32 gives with the reference to Celsius the definition of Fahrenheit:<br/>F = C*9/5 + 32<br/><br/>Semantics:<br/>Unit descibes the unit of typed numerical values.<br/>
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Attribute Scope Type
factor Public Float
 
offset Public Float
 
symbol Public String
 
Element Source Role Target Role
Unit
Class   		Name:  
  		Name: reference
 
Details:
 
Quantity
Class   		Name:  
  		Name: quantity
The (physical) quantity, e.g., "Speed", "Temperature".
Details:
 
Element Source Role Target Role
EANumerical
Class   		Name:  
  		Name: unit
The unit of data. Example: For temperature the unit may be "degree Celsius".
Details:
 
Unit
Class   		Name:  
  		Name: reference
 
Details:
 
Property Value
isFinalSpecialization: 0
Object Type Connection Direction Notes
EAPackageableElement Class Generalization To