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[area-basic] plotly implementation #211
Description
Activity
- added a parent issue
on Dec 6, 2025 Attempt 1/3
Technical Approach
- Imports:
import pandas as pd, import plotly.graph_objects as go - Plot function:
go.Scatter - Config: template=plotly_white, color=rgba(48, 105, 152, 0.4)
Status
- PR: feat(plotly): implement area-basic #304
- File:
plots/plotly/scatter/area-basic/default.py - Workflow: 19995637996
- Imports:
🧪 Test Results (PR #304)
Python:
📊 Plot Preview (Python 3.13)
plotly (default) - UPDATE
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🧪 Test Results (PR #304)
Python:
📊 Plot Preview (Python 3.13)
plotly (default) - UPDATE
Before After View version history (4 versions)
🤖 Generated by gen-preview workflow
AI Review - Attempt 1/3
Quality Evaluation
Evaluator Score Verdict Claude 92/100 approve Criteria Checklist
- VQ-001: Axes labeled correctly ("Month" and "Sales" - meaningful labels)
- VQ-002: Visual clarity - Grid is subtle (rgba 0.3 alpha), doesn't dominate data
- VQ-003: Elements clear - Area fill with good alpha (0.4), solid line (width 2.5)
- VQ-004: No overlap - Labels and text all readable, no collisions
- VQ-005: Legend - Not needed for single series (correctly omitted)
- VQ-006: Colorblind safe - Blue color palette used
- VQ-007: Image size - 1600x900 with scale=2 (3200x1800 actual) - minor deviation from target 4800x2700
- VQ-008: Title - "Monthly Sales" centered and clear
- CQ-001: Type hints present - All parameters and return type annotated
- CQ-002: Docstring - Google-style with Args, Returns, Raises, Example
- CQ-003: Input validation - Checks for empty data and missing columns
- CQ-004: Clear error messages - Lists available columns on KeyError
- CQ-005: No magic numbers - All values have parameter defaults with meaningful names
- CR-001: Data accurate - Correct columns used for x/y
- CR-002: Spec compliance - Implements area chart as specified with month/sales data
- CR-003: Edge cases - Empty data and missing column validation present
Issues Found
- VQ-007 PARTIAL: Image saved at scale=2 (3200x1800) instead of scale=3 (4800x2700). Minor deduction.
Scoring
Base: 50 points +10 (VQ-001: Axes labeled) +5 (VQ-002: Visual clarity) +8 (VQ-003: Elements clear) +9 (VQ-004: No overlap) +7 (VQ-005: Legend appropriate) +6 (VQ-006: Colorblind safe) +2 (VQ-007: Image size - partial credit) +3 (VQ-008: Title present) +7 (CQ-001: Type hints) +8 (CQ-002: Docstring) +10 (CQ-003: Input validation) +6 (CQ-004: Clear error messages) +4 (CQ-005: No magic numbers) +10 (CR-001: Data accurate) +10 (CR-002: Spec compliance) +5 (CR-003: Edge cases) -8 (Minor deviations - image scale) = 92 → PASS (Excellent)AI Feedback for Next Attempt
N/A - Implementation passes quality threshold
Verdict: APPROVED
The plotly implementation is well-structured with excellent code quality. It correctly creates a basic area chart using
go.Scatterwith fill, has comprehensive input validation, proper type hints, and Google-style docstrings. The visual output clearly shows the trend data with a subtle grid, proper axis labels, and centered title. The only minor issue is the image scale factor (2 vs 3), which results in a slightly smaller output image than the target specification.- added a commit that references this issue
on Dec 6, 2025 Merged
plotly implementation for
area-basichas been merged!
🚀 Auto-merged by pyplots CI
[area-basic] plotly Implementation
Parent Issue: #201
Spec:
specs/area-basic.mdLibrary: plotly
Feature Branch:
plot/area-basicAttempt History
Attempts will be documented below as comments.