Optical images, image sensors, image data

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TRAIL: Webel SysML Parsing Analysis example: Optical telescopes from Wikipedia: Structure and port-based light flow model
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INTERMEDIATE
UML keywords
Property::redefinedProperty
Generalization
Constraint
SysML keywords
Block
reference property
Keywords
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SysML Package Diagram
A Package Diagram for the hierarchy of an OpticalImageSensor:
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There is a high level abstraction ImageSensor, which carries ImageData for any kind of Image, with a Constraint: 

data.image = image

The model anticipates that there will be aspects common to all electromagnetic images (which includes light images, far infrared images, radio images etc.), encapsulated as ImageSensorEM, ImageDataEM and ImageEM.

Aspects specific to optical images are encapsulated by OpticalImageSensor, OpticalImageData and OpticalImage.

In each layer the data and image and sensor properties are progressively redefined.

In the Webel recipe for UML/SysML, the pattern of progressive redefinition of end Properties of Associations between progressively more specialised pairs of Blocks at the same level of abstraction is informally called a "redefinition ladder"
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The objective is the optical element that gathers light from the object being observed and focuses the light rays
Notes
[PATTERN]{INFORMATIVE} In the Webel recipe for UML/SysML, the pattern of progressive redefinition of end Properties of Associations between progressively more specialised pairs of Blocks at the same level of abstraction is informally called a "redefinition ladder"
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