ISO 10303-214:2010(E)

Figure — Arrowleft Figure — Clause 4 Figure — Arrowright

4.2.23 Appearance_assignment

An Appearance_assignment is the assignment of visual appearance characteristics to geometric elements and to annotation.

The appearance can be defined explicitly for each represented element or for a context in which the elements are represented. Several appearance components for the representation of the different kinds of elements can be associated with the Appearance_assignment.

Each Appearance_assignment may be a Context_dependent_appearance_assignment.

The data associated with an Appearance_assignment are the following:

component

The component specifies the various appearance objects that define the appearance of geometric and annotation objects.

NOTE Each object included in appearance_select is related to one or more Appearance_assignment object.

See appearance_assignment to curve_appearance, appearance_assignment to hatching, appearance_assignment to point_appearance, appearance_assignment to solid_fill_area, appearance_assignment to surface_appearance, appearance_assignment to text_appearance, and appearance_assignment to tiling for the application assertions.

There shall be at least one object that defines the component for an Appearance_assignment.

© ISO 2010 — All rights reserved