Traf?¬?c light
colors can be used to indicate preferences or choices, and different colors can be
used to highlight priorities or follow the already established color use in the
domain. Printers today can reproduce colored models with good results and
modeling tools can also help in translating colors and different color settings
into printable forms.
. Special effects such as small icons, shading, and fountain ?¬?lls make models
look better on screen but they don??™t necessarily look as nice in other exported
picture formats or printouts. They also make ?¬?les used for interchanging models
between tools bigger. Some interchange formats make the ?¬?les for saving
representational data unnecessarily large by saving every model element
individually although their representational de?¬?nition could be de?¬?ned only
once in the metamodel.
. In DSM languages targeting GUI or physical products you may apply two
different notational versions of the same element: a 1:1 mapping to the realworld
representation, or if that is not yet available, because no UI or product has
yet been made, a more abstract notation.
. If different levels of detail need to be shown visually, you may apply different
versions of the symbol based on user request, for example, one showing just a
few properties and one showing complete details.
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