{
  "$schema": "https://openpresentation.org/schema/opf-chart-type/v1",
  "id": "waterfall",
  "name": "Waterfall",
  "mappings": {
    "openxml": {
      "element": "waterfallChart",
      "composition": "extension",
      "notes": "Office extension chart; exact extension markup is renderer-specific."
    },
    "renderers": {
      "aspose-slides": {
        "chartType": "Waterfall"
      }
    }
  },
  "group": "Other",
  "groupSort": 13,
  "series": 1,
  "complexity": "simple",
  "x-gallery": {
    "page": "https://www.pptx.gallery/charts/waterfall",
    "type": "WATERFALL",
    "categories": 8,
    "seriesGroups": 1,
    "useSecondaryCategories": false,
    "workbookRange": "Sheet1!$A$1:$I$2",
    "columns": [
      "Category",
      "Series1"
    ],
    "dataColumns": [
      {
        "name": "Category",
        "role": "categoryLabel",
        "type": "string",
        "position": "row0_col0"
      },
      {
        "name": "Series1",
        "role": "series",
        "type": "number",
        "position": "row1_col0"
      }
    ],
    "sampleData": {
      "headers": [
        "Category",
        "Q1 2024",
        "Q2 2024",
        "Q3 2024",
        "Q4 2024",
        "Q1 2025",
        "Q2 2025",
        "Q3 2025",
        "Q4 2025"
      ],
      "rows": [
        [
          "Series1",
          88282,
          59377,
          30218,
          31266,
          33703,
          91885,
          31697,
          67366
        ]
      ]
    },
    "use_case": "Use a specialized visual when standard bars, lines, and areas would obscure the pattern.",
    "data_requirements": "1 series, 8 categories, flat category/series workbook",
    "recommended_color_schemes": [
      "corporate-trust",
      "innovation-purple"
    ],
    "when_to_use": "Use when the chart type directly matches the analytical question and the audience can read it quickly.",
    "when_to_avoid": "Avoid specialty visuals when a simpler chart would make the same point with less explanation.",
    "best_practices": [
      "Explain the encoding in the title or subtitle",
      "Keep annotations close to the data",
      "Prefer clarity over novelty"
    ],
    "pagePreview": {
      "src": "https://www.pptx.gallery/media/chart-previews/waterfall.584b4ebb692e.png",
      "vectorSrc": "https://www.pptx.gallery/media/chart-previews/waterfall.11745bca7e37.svg"
    },
    "pageDescription": "Waterfall is an OPF other chart preset with canonical workbook metadata, sample data, and engine chart type mapping."
  }
}