feat(muix): implement quiver-basic

[github-actions]

Implementation: quiver-basic - javascript/muix

Implements the javascript/muix version of quiver-basic.

File: plots/quiver-basic/implementations/javascript/muix.tsx

Parent Issue: #1014

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🤖 impl-generate workflow

[claude]

AI Review - Attempt 1/3

Image Description

Light render (plot-light.png): Warm off-white background (#FAF8F1-consistent). Bold dark title "Cyclonic Wind Field · quiver-basic · javascript · muix · anyplot.ai" centered at top, comfortably within the canvas with no clipping. Axis labels "X Position (km)" / "Y Position (km)" with units, dark ink, clearly legible; tick labels -7 to 7 on both axes, evenly spaced and readable. A 15x15 grid (225 arrows) forms a circular flow pattern: short, pale-green arrows near the center (calm "eye"), lengthening into longer blue arrows at the core-radius band (peak speed), then shrinking again toward the domain edge as speed decays — a continuous green-to-blue gradient (imprint_seq) encodes magnitude, matched by a vertical colorbar ("22" top, "0" bottom, rotated "Wind Speed (m/s)" label) fully inside the canvas. All text reads clearly against the light background.

Dark render (plot-dark.png): Warm near-black background (#1A1A17-consistent). Same title, axis labels, tick labels, and colorbar text now rendered in light ink — all clearly legible, no dark-on-dark failures anywhere. Arrow layout, lengths, and the green-to-blue color gradient are pixel-identical to the light render; only the chrome (background, text) flips as expected.

Both paragraphs confirmed by direct visual inspection of both PNGs, including a zoomed crop of the colorbar/title regions to rule out edge clipping.

Score: 91/100

Category	Score	Max
Visual Quality	29	30
Design Excellence	15	20
Spec Compliance	15	15
Data Quality	15	15
Code Quality	9	10
Library Mastery	8	10
Total	91	100

Visual Quality (29/30)

• VQ-01: Text Legibility (7/8) — explicit font sizes throughout; title (67 chars) fits at 22px without overflow
• VQ-02: No Overlap (6/6) — no text/data collisions
• VQ-03: Element Visibility (6/6) — 225 arrows well-sized and spaced for a 15x15 grid
• VQ-04: Color Accessibility (2/2) — green-to-blue gradient, no red-green reliance
• VQ-05: Layout & Canvas (4/4) — plot area fills ~70% of canvas, balanced margins, nothing cut off
• VQ-06: Axis Labels & Title (2/2) — units included on both axes
• VQ-07: Palette Compliance (2/2) — imprint_seq correctly used for single-polarity continuous magnitude; theme-correct chrome in both renders

Design Excellence (15/20)

• DE-01: Aesthetic Sophistication (6/8) - Custom Rankine-vortex data, custom colorbar, thoughtful typography — clearly above defaults
• DE-02: Visual Refinement (5/6) - L-shaped axis lines only, no grid clutter, generous whitespace
• DE-03: Data Storytelling (4/6) - Calm eye / peak-wind band visible through color+length hierarchy, but no explicit annotation calls them out

Spec Compliance (15/15)

• SC-01: Plot Type (5/5) — correct quiver/vector-field plot
• SC-02: Required Features (4/4) — x/y/u/v represented, 225 arrows (within 100-400 spec range), magnitude-as-color used
• SC-03: Data Mapping (3/3) — X/Y correctly assigned, full range shown with padding
• SC-04: Title & Legend (3/3) — title format matches spec exactly; colorbar serves as the magnitude legend

Data Quality (15/15)

• DQ-01: Feature Coverage (6/6) — direction, magnitude, calm core, and decay all present
• DQ-02: Realistic Context (5/5) — real, neutral meteorological scenario matching the spec's Applications section
• DQ-03: Appropriate Scale (4/4) — 22 m/s peak speed and km-scale domain are physically plausible

Code Quality (9/10)

• CQ-01: KISS Structure (2/3) — a few small helper components, mostly necessitated by React hook-scoping
• CQ-02: Reproducibility (2/2) — fully deterministic formula, no randomness
• CQ-03: Clean Imports (2/2) — only used imports
• CQ-04: Code Elegance (2/2) — appropriate complexity, no fake functionality
• CQ-05: Output & API (1/1) — correct harness mount/screenshot contract, skipAnimation set

Library Mastery (8/10)

• LM-01: Idiomatic Usage (4/5) - Correct use of ChartContainer's sanctioned low-level composition API — the right approach since no native quiver mark exists in community MUI X
• LM-02: Distinctive Features (4/5) - Distinctive use of useXScale/useYScale/useDrawingArea to build custom SVG marks fully integrated with MUI X's axis/scale system

Score Caps Applied

• None

Strengths

• Physically accurate Rankine vortex model (solid-body core, inverse-decay outer band) with correct counterclockwise rotation for a Northern-Hemisphere low-pressure system
• Creative, idiomatic use of MUI X's ChartContainer + scale/drawing-area hooks to render a genuine quiver overlay entirely within the library's own coordinate system, axes, and scales
• Continuous wind-speed magnitude correctly encoded with imprint_seq, matched by a correctly-labeled custom colorbar
• Both renders fully theme-correct with identical data colors and no edge clipping anywhere

Weaknesses

• No explicit annotation calls out the calm eye / peak-wind band — the story reads from color and arrow length alone, but a labeled callout would push storytelling further
• Colorbar and title are custom-drawn text rather than using ChartContainer's built-in slots — reasonable but slightly less "library-default"
• No grid lines at all — a valid stylistic choice, but slightly reduces precise value-reading against the axes

Issues Found

None blocking — this is a high-quality, spec-compliant implementation.

AI Feedback for Next Attempt

N/A — implementation approved. If revisited, consider a subtle annotation labeling the "eye" and peak-wind band to push Data Storytelling from good to excellent.

Verdict: APPROVED