What are boundary components?

A boundary component consisting of two arcs is obtained by either parallel arcs or subsequent arcs, where the endpoint of the second arc travels via the backbone to the start point of the first.

What are system boundaries in a model?

The system boundary is a conceptual line that divides the system that you want to study from ‘everything else’. It is useful to think of a system’s environment as being made up of those things that are not part of the system, but can either affect the system or be affected by it.

Which model is used to specify the boundary of a system?

A System Boundary element is a non-UML element used to define conceptual boundaries. You can use System Boundaries to help group logically related elements (from a visual perspective, not as part of the UML model). In the UML Superstructure Specification, v2.

What is a boundary in a sequence diagram?

A Boundary is a stereotyped Object that models some system boundary, typically a user interface screen. A Boundary is used in the conceptual phase to capture users interacting with the system at a screen level (or some other boundary interface type). It is often used in Sequence and Robustness (Analysis) diagrams.

When to use system boundaries in Enterprise Architect?

Please note : This help page is not for the latest version of Enterprise Architect. The latest help can be found here. A System Boundary element is a non-UML element used to define conceptual boundaries. You can use System Boundaries to help group logically related elements (from a visual perspective, not as part of the UML model).

How to deselect hashed border in Enterprise Architect?

Deselect the checkbox to not display the hashed border and to not embed the child element in the parent in the model. Select the checkbox to set auto-resizing of elements as an unsaved change to the diagram (displaying an asterisk on the diagram tab), so that you must manually save the diagram to protect the change.

How to create an image as a boundary in Sparx?

Create an image or boundary from the Common toolbox on the diagram. Right click and select Appearance > Select Image Asset as Alternate Image. Select the image asset element to link. Result: the image is displayed and linked with this boundary element. The following diagram illustrates a boundary element and an image asset.

How to show state compartment divider in Enterprise Architect?

Select the checkbox to perform your modeling using UML 1.5 components (Enterprise Architect versions from 4.0 onwards default to using UML 2.x). Select the checkbox to show, in a State element, the State compartment divider under the State name.