Table 6.262 — DRM_Stamp_Behaviour
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 specifies that the <DRM Geometry Hierarchy> instance of which the <DRM Stamp Behaviour> instance is a component rotates automatically with the viewpoint of a a 3D graphics application at the time that the environmental object assigned the <DRM Stamp Behaviour> instance is rendered, attempting to continually face the viewer. The <DRM Geometry Hierarchy> instance rotates about the u, v and/or w axes, within the specified angular limits. The centre of rotation is specified by the <DRM Location 3D> component. The axes are positioned at the centre of rotation, aligned with the equivalent SRF axes. Geometry with a <DRM Stamp Behaviour> instance is normally planar in nature and is considered to face along the normal of that plane. If the clockwise_limit of the rotation data for an axis is set to +∞ and its counterclockwise_limit is set to -∞, the aggregating <DRM Geometry Hierarchy> instance can rotate freely about that axis. If all axis limits are set in this way, the <DRM Geometry Hierarchy> instance rotates freely in any direction about the centre of rotation. The u_axis_limits field specifies the angular limits around the u axis. The v_axis_limits field specifies the angular limits around the v axis. The w_axis_limits field specifies the angular limits around the w axis. |
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Class diagram |
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Inherited field elements |
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Field elements |
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Default field values |
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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 |
1The <DRM Location 3D> component specifies the centre of rotation. |
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Example(s) |
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