annotate_angle — ANNOTATE `paper` op

• Data kinds: image2d → image2d

• Call: import annotate; annotate.annotate_angle(img, a, vertex, b, radius=30.0, color='emphasis', width=1.5, draw_rays=True, label_fmt='{:.1f}°', font_size=11, box_alpha=0.6, text_color=None, scheme='okabe_ito', font_path=None, layout=None) (or opsannotate.get("annotate_angle"))

Usage

Returns an image (image2d): the angle at three points, shown as an arc and a value (with the two arms if wanted).

> The detailed description below is the original text — the summary and the headings are translated.

`label_fmt=None` なら値の文字を描かない(弧だけ)。

Raises

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ValueError

:func:annotate_angle_layout と同じ + 頂点が画像の外、文字が収まらない。

Detailed usage guide

• figure_annotation family guide

Background guides (the physics and conventions behind this op)

• dataset_conventions — 学習データセット規約の知識 — COCO / YOLO / VOC と外観検査での落とし穴

References (sample data, literature)

• Sample-data catalog (download URLs / licences) — 2-D uses skimage.data (BSD/public domain) plus synthetic images; 3-D lists download URLs for real data sources (Stanford, PDS, …).

• Operator provenance and references — the sources of the research/methods this op family came from.

• The canonical algorithm (author, year) and its uses are named in the family usage guide above.

Runnable examples (verified samples that actually call this op)

• paper_figure — py -3.11 examples/paper_figure.py

Ops the type connects to (they accept `image2d` as input)

text_box · arrow · leader_line · label_points · crosshair · legend_box · color_bar · scale_bar

Same category (`paper`)

annotate_leader_layout · annotate_leader · annotate_markers · annotate_legend · annotate_dimension_layout · annotate_dimension · annotate_angle_layout · annotate_scale_bar_layout

*Provenance: annotate.py — ANNOTATE operator registry. This per-op note is generated by tools/opdocs.py md (do not hand-edit).*

annotate_angle — ANNOTATE paper op