98 3D: Anchors and projected labels

9.3

Racket

98 3D: Anchors and projected labels🔗ℹ

3D reference map · First 3D picture

value
anchor3d? : procedure?

Recognizes an immutable spatial anchor.

value
vertex-anchor3d : procedure?

Anchors a label to a stable mesh vertex.

value
edge-anchor3d : procedure?

Anchors a label to a stable mesh edge.

value
face-anchor3d : procedure?

Anchors a label to a stable mesh face.

value
curve-anchor3d : procedure?

Anchors a label to a retained curve position.

value
surface-anchor3d : procedure?

Anchors a label to a retained surface parameter point.

value
resolved-anchor3d : procedure?

Constructs or recognizes the immutable world-space result of resolving an anchor.

value
label3d : procedure?

Attaches a crisp two-dimensional visual to a spatial anchor.

value
layout-labels3d : procedure?

Computes direct-mode candidate placements for projected labels.

value
prepare-label-layout3d : procedure?

Precomputes a deterministic multi-frame label-placement table.

value
prepared-label-layout3d? : procedure?

Recognizes an immutable prepared label-placement table.

value
billboard-style3d? : procedure?

Recognizes an immutable billboard display policy.

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IV	Complete Example Programs
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74	3D: Objects, groups, and paths
75	3D: Cameras and projection
76	3D: Views inside a Scene
77	3D: Animating 3D objects
78	3D: Animating the 3D camera
79	3D: Cuts, caps, and section measurements
80	3D: Supplementary surface, section, and annotation bindings
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90	3D: Finite-light animation
91	3D: Software finite-light evaluation
92	3D: Colour space and final output
93	3D: Relations and geometric annotations
94	3D: Projected labels
95	3D: Textured billboards
96	3D: Spatial curves and vector diagrams
97	3D: Spatial anchors and label layout
98	3D: Anchors and projected labels
99	3D: Parametric surfaces and calculus
100	3D: Adaptive, trimmed, and implicit surfaces
101	3D: Constructive solids
102	3D: Surface constructors and queries
103	3D: Meshes
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