Files
claude-scientific-skills/scientific-skills/markdown-mermaid-writing/references/diagrams/treemap.md
Clayton Young ea5a287cf9 fix(attribution): correct source repo URL to SuperiorByteWorks-LLC/agent-project
All 40 references to borealBytes/opencode updated to the correct source:
https://github.com/SuperiorByteWorks-LLC/agent-project

Affected files: SKILL.md, all 24 diagram guides, 9 templates, issue and PR
docs, plus assets/examples/example-research-report.md (new file).

The example report demonstrates full skill usage: flowchart, sequence,
timeline, xychart, radar diagrams — all with accTitle/accDescr and
classDef colors, no %%{init}. Covers HEK293T CRISPR editing efficiency
as a realistic scientific context.
2026-02-23 07:43:04 -05:00

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Treemap Diagram

Back to Style Guide — Read the style guide first for emoji, color, and accessibility rules.

Syntax keyword: treemap-beta Mermaid version: v11.12.0+ Best for: Hierarchical data proportions, budget breakdowns, disk usage, portfolio composition When NOT to use: Simple flat proportions (use Pie), flow-based hierarchy (use Sankey)

⚠️ Accessibility: Treemap diagrams do not support accTitle/accDescr. Always place a descriptive italic Markdown paragraph directly above the code block.

⚠️ GitHub support: Treemap is very new — verify it renders on your target GitHub version before using.


Exemplar Diagram

Treemap showing annual cloud infrastructure costs broken down by service category and specific service, with rectangle sizes proportional to spend:

treemap-beta
"Compute"
    "EC2 Instances": 45000
    "Lambda Functions": 12000
    "ECS Containers": 8000
"Storage"
    "S3 Buckets": 18000
    "RDS Databases": 15000
    "DynamoDB": 6000
"Networking"
    "CloudFront CDN": 9000
    "API Gateway": 7000
"Observability"
    "CloudWatch": 5000
    "Datadog": 8000

Tips

  • Parent nodes (sections) use quoted text: "Section Name"
  • Leaf nodes add a value: "Leaf Name": 123
  • Hierarchy is created by indentation (spaces or tabs)
  • Values determine the size of each rectangle — larger value = larger area
  • Keep to 23 levels of nesting for clarity
  • Use classDef and :::class syntax for styling nodes
  • Always pair with a Markdown text description above for screen readers

Template

Description of the hierarchical data and what the proportions represent:

treemap-beta
"Category A"
    "Sub A1": 40
    "Sub A2": 25
"Category B"
    "Sub B1": 20
    "Sub B2": 15