chore(pygal): update quality score 76 and review feedback for column-stratigraphic

Author: github-actions[bot]

plots/column-stratigraphic/implementations/pygal.py

@@ -1,7 +1,7 @@
-"""pyplots.ai
+""" pyplots.ai
 column-stratigraphic: Stratigraphic Column with Lithology Patterns
-Library: pygal | Python 3.13
-Quality: pending | Created: 2026-03-15
+Library: pygal 3.1.0 | Python 3.14.3
+Quality: 76/100 | Created: 2026-03-15
 """
 
 import cairosvg

plots/column-stratigraphic/metadata/pygal.yaml

@@ -1,10 +1,7 @@
-# Per-library metadata for pygal implementation of column-stratigraphic
-# Auto-generated by impl-generate.yml
-
 library: pygal
 specification_id: column-stratigraphic
 created: '2026-03-15T22:57:51Z'
-updated: '2026-03-15T22:57:51Z'
+updated: '2026-03-15T23:03:03Z'
 generated_by: claude-opus-4-5-20251101
 workflow_run: 23121198913
 issue: 4573
@@ -13,7 +10,222 @@ library_version: 3.1.0
 preview_url: https://storage.googleapis.com/pyplots-images/plots/column-stratigraphic/pygal/plot.png
 preview_thumb: https://storage.googleapis.com/pyplots-images/plots/column-stratigraphic/pygal/plot_thumb.png
 preview_html: https://storage.googleapis.com/pyplots-images/plots/column-stratigraphic/pygal/plot.html
-quality_score: null
+quality_score: 76
 review:
-  strengths: []
-  weaknesses: []
+  strengths:
+  - Excellent spec compliance with all required features present and well-executed
+  - Well-crafted SVG lithology patterns approximating standard geological conventions
+  - Coherent geological data with proper chronological ordering and realistic formation
+    names
+  - Clean readable monospace typography appropriate for scientific visualization
+  weaknesses:
+  - Library mastery critically low - pygal used only as SVG container with dummy data,
+    none of pygal charting features utilized
+  - Significant empty white space on right 40% of canvas
+  - Siltstone and conglomerate background colors too similar (both tan/brown)
+  image_description: 'The plot displays a vertical stratigraphic column spanning 0-135m
+    depth with 10 geological layers. The title "column-stratigraphic · pygal · pyplots.ai"
+    appears at top center in monospace font. On the left, an "Age" column lists geological
+    periods (Eocene, Paleocene, Late Cretaceous, Early Cretaceous, Jurassic, Triassic)
+    with vertical brackets grouping contiguous layers. A "Depth (m)" scale with tick
+    marks every 10m runs alongside the column. The central column shows rectangular
+    blocks filled with distinct lithology patterns: yellow with stipple dots (sandstone),
+    gray with horizontal dashes (shale), light blue with brick pattern (limestone),
+    tan with short dashes (siltstone), burlywood with circles (conglomerate), medium
+    gray with thin lines (mudstone), and purple-pink with diamond crosshatch (dolomite).
+    Formation names appear in monospace to the right of each layer, with lithology
+    type in smaller italic gray text further right. A "Lithology Key" in the upper
+    right shows all 7 pattern swatches with labels. The right approximately 40% of
+    the canvas is largely empty white space.'
+  criteria_checklist:
+    visual_quality:
+      score: 26
+      max: 30
+      items:
+      - id: VQ-01
+        name: Text Legibility
+        score: 7
+        max: 8
+        passed: true
+        comment: 'Font sizes explicitly set (34, 30, 28, 26, 36px). All readable.
+          Minor: italic lithology labels at 26px slightly small.'
+      - id: VQ-02
+        name: No Overlap
+        score: 6
+        max: 6
+        passed: true
+        comment: No overlapping text anywhere. All labels well-spaced.
+      - id: VQ-03
+        name: Element Visibility
+        score: 6
+        max: 6
+        passed: true
+        comment: All lithology patterns distinct and clearly visible. Layer boundaries
+          sharp.
+      - id: VQ-04
+        name: Color Accessibility
+        score: 3
+        max: 4
+        passed: true
+        comment: Siltstone and conglomerate are both brownish/tan, relying on pattern
+          alone to differentiate.
+      - id: VQ-05
+        name: Layout & Canvas
+        score: 2
+        max: 4
+        passed: false
+        comment: Stratigraphic column occupies left ~55% of canvas. Right side largely
+          empty.
+      - id: VQ-06
+        name: Axis Labels & Title
+        score: 2
+        max: 2
+        passed: true
+        comment: Depth (m) includes units. Age header present. Title correct format.
+    design_excellence:
+      score: 11
+      max: 20
+      items:
+      - id: DE-01
+        name: Aesthetic Sophistication
+        score: 5
+        max: 8
+        passed: true
+        comment: Custom SVG lithology patterns well-crafted. Monospace font gives
+          technical feel. Above defaults but not publication-ready.
+      - id: DE-02
+        name: Visual Refinement
+        score: 3
+        max: 6
+        passed: true
+        comment: Clean white background, no unnecessary grid, age brackets are nice.
+          Significant wasted space on right.
+      - id: DE-03
+        name: Data Storytelling
+        score: 3
+        max: 6
+        passed: true
+        comment: Geological sequence tells coherent temporal narrative. Age brackets
+          provide context. No strong focal point.
+    spec_compliance:
+      score: 15
+      max: 15
+      items:
+      - id: SC-01
+        name: Plot Type
+        score: 5
+        max: 5
+        passed: true
+        comment: 'Correct chart type: vertical stratigraphic column with stacked lithology
+          blocks.'
+      - id: SC-02
+        name: Required Features
+        score: 4
+        max: 4
+        passed: true
+        comment: 'All spec features present: 7 lithology patterns, depth scale, formation
+          names, age labels, layer boundaries.'
+      - id: SC-03
+        name: Data Mapping
+        score: 3
+        max: 3
+        passed: true
+        comment: Depth mapping correct, layers properly positioned and scaled.
+      - id: SC-04
+        name: Title & Legend
+        score: 3
+        max: 3
+        passed: true
+        comment: Title format correct. Lithology Key shows all 7 types with pattern
+          swatches.
+    data_quality:
+      score: 14
+      max: 15
+      items:
+      - id: DQ-01
+        name: Feature Coverage
+        score: 5
+        max: 6
+        passed: true
+        comment: 10 layers, 7 lithology types, varying thicknesses, 6 geological periods.
+          Could include unconformity.
+      - id: DQ-02
+        name: Realistic Context
+        score: 5
+        max: 5
+        passed: true
+        comment: Realistic formation names, proper geological ages in correct chronological
+          order.
+      - id: DQ-03
+        name: Appropriate Scale
+        score: 4
+        max: 4
+        passed: true
+        comment: 0-135m depth range realistic. Layer thicknesses vary naturally.
+    code_quality:
+      score: 8
+      max: 10
+      items:
+      - id: CQ-01
+        name: KISS Structure
+        score: 2
+        max: 3
+        passed: true
+        comment: Linear flow but extensive manual SVG string construction adds complexity.
+      - id: CQ-02
+        name: Reproducibility
+        score: 2
+        max: 2
+        passed: true
+        comment: Deterministic hardcoded data.
+      - id: CQ-03
+        name: Clean Imports
+        score: 2
+        max: 2
+        passed: true
+        comment: 'All imports used: cairosvg, pygal, Style.'
+      - id: CQ-04
+        name: Code Elegance
+        score: 1
+        max: 2
+        passed: false
+        comment: Bypasses pygal charting API, using it only as SVG container with
+          dummy data.
+      - id: CQ-05
+        name: Output & API
+        score: 1
+        max: 1
+        passed: true
+        comment: Saves as plot.png via cairosvg. Also saves plot.html.
+    library_mastery:
+      score: 2
+      max: 10
+      items:
+      - id: LM-01
+        name: Idiomatic Usage
+        score: 1
+        max: 5
+        passed: false
+        comment: Pygal used only as SVG scaffold with dummy data. No data API, series,
+          labeling, or axis features utilized.
+      - id: LM-02
+        name: Distinctive Features
+        score: 1
+        max: 5
+        passed: false
+        comment: No distinctive pygal features used. Could be replicated with any
+          SVG tool.
+  verdict: REJECTED
+impl_tags:
+  dependencies:
+  - cairosvg
+  techniques:
+  - annotations
+  - custom-legend
+  - html-export
+  patterns:
+  - iteration-over-groups
+  dataprep: []
+  styling:
+  - minimal-chrome
+  - edge-highlighting