Table 6.78 — DRM_Feature_Face
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Property |
Description |
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Class |
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Superclass |
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Subclass |
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Definition |
An instance of this DRM class is a 2-dimensional <DRM Feature Topology> instance used to represent the region that corresponds to an <DRM Areal Feature>, bounded by one or more <DRM Feature Edge> instances. |
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Class diagram |
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Inherited field elements |
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Field elements |
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Associated to (one-way) (inherited) |
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Associated to (one-way) |
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Associated by (one-way) (inherited) |
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Associated by (one-way) |
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Associated with (two-way) (inherited) |
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Associated with (two-way) |
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Composed of (two-way) (inherited) |
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Composed of (two-way) |
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Composed of (two-way metadata) (inherited) |
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Composed of (two-way metadata) |
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Component of (two-way) (inherited) |
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Component of (two-way) |
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Constraints |
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Clarifications |
1 This indicates that the given <DRM Feature Face> instance is the universal <DRM Feature Face> instance. Within a 2D or 3D tile that has feature topology level 3, the universal <DRM Feature Face> instance lies “outside” any other faces. Since the external boundary of the universal <DRM Feature Face> instance is at infinity, a <DRM Feature Face> instance that has this field set to TRUE has no external <DRM Feature Face Ring> instance. 2 These <DRM Feature Edge> instances are those that border the given <DRM Feature Face> instance. The converse of this relationship is that between <DRM Feature Face Ring> and <DRM Feature Edge>. 3 If specified, these <DRM Feature Node> instances are contained within the given <DRM Feature Face> instance; see this class' constraints for further details. 4 The <DRM Feature Volume> instances on the front and back sides of the <DRM Feature Face>, respectively. |
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Example(s) |
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