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11

One Model, Many Interests, Many Views

Representing the Journey from Requirements to

Behavior

Spider Diagram

The spider diagramprovides a complete contextual viewof a set of elements and their interrelationships.

Unlike a hierarchy diagram, each entity is represented once and only once. In addition, the free-form

presentation does not artificially imply a hierarchical relationship that may not exist. The result is an

extremely powerful representation – neither traditional nor SysML – for analysis and communication

as you continue the engineering journey through systems design.

As with a hierarchy diagram, a spider diagram is based on the combination of a root element and a

set of relationships. The element defines the starting point for the diagram. The set of relationships

identifies which links to traverse when building the diagram. The relationships (potentially multiple)

between the elements are then shown as connecting lines. The lines of convergence and divergence

help identify critical aspects in the model.

Level of Detail:

Low

Audience:

General

Content:

Names and relationships

Use:

Contextual view of objects of interest with no implied meaning