{
  "$schema": "https://openpresentation.org/schema/opf-chart-type/v1",
  "id": "treemap",
  "name": "Treemap",
  "mappings": {
    "openxml": {
      "element": "treemapChart",
      "composition": "extension",
      "notes": "Office extension chart; exact extension markup is renderer-specific."
    },
    "renderers": {
      "aspose-slides": {
        "chartType": "Treemap"
      }
    }
  },
  "group": "Treemap",
  "groupSort": 8,
  "series": 1,
  "complexity": "simple",
  "x-gallery": {
    "page": "https://www.pptx.gallery/charts/treemap",
    "type": "TREEMAP",
    "categories": 6,
    "seriesGroups": 1,
    "useSecondaryCategories": false,
    "workbookRange": "Sheet1!$A$1:$G$2",
    "columns": [
      "Level1",
      "Series1"
    ],
    "dataColumns": [
      {
        "name": "Level1",
        "role": "categoryLabel",
        "type": "string",
        "position": "row0_col0"
      },
      {
        "name": "Series1",
        "role": "series",
        "type": "number",
        "position": "row1_col0"
      }
    ],
    "sampleData": {
      "headers": [
        "Level1",
        "Q1 2024",
        "Q2 2024",
        "Q3 2024",
        "Q4 2024",
        "Q1 2025",
        "Q2 2025"
      ],
      "rows": [
        [
          "Series1",
          21164,
          42530,
          25525,
          83147,
          64548,
          89471
        ]
      ]
    },
    "use_case": "Show how categories and subcategories contribute to a total.",
    "data_requirements": "1 series, 6 categories, flat category/series workbook",
    "recommended_color_schemes": [
      "corporate-trust",
      "growth-and-nature"
    ],
    "when_to_use": "Use when hierarchy and relative size are both important.",
    "when_to_avoid": "Avoid when the audience needs exact sequential comparison or many labels must be read.",
    "best_practices": [
      "Keep hierarchy shallow",
      "Label only readable blocks",
      "Use grouping color consistently"
    ],
    "pagePreview": {
      "src": "https://www.pptx.gallery/media/chart-previews/treemap.65f55bd21375.png",
      "vectorSrc": "https://www.pptx.gallery/media/chart-previews/treemap.efe63d54b56e.svg"
    },
    "pageDescription": "Treemap is an OPF treemap chart preset with canonical workbook metadata, sample data, and engine chart type mapping."
  }
}