{
  "$schema": "https://openpresentation.org/schema/opf-chart-type/v1",
  "id": "stacked-line",
  "name": "Stacked Line",
  "mappings": {
    "openxml": {
      "element": "lineChart",
      "grouping": "stacked",
      "composition": "single"
    },
    "renderers": {
      "aspose-slides": {
        "chartType": "StackedLine"
      }
    }
  },
  "group": "Line",
  "groupSort": 2,
  "series": 2,
  "complexity": "simple",
  "x-gallery": {
    "page": "https://www.pptx.gallery/charts/stacked-line",
    "type": "STACKED_LINE",
    "categories": 12,
    "seriesGroups": 1,
    "useSecondaryCategories": false,
    "workbookRange": "Sheet1!$A$1:$M$4",
    "columns": [
      "Series 1",
      "Value 1",
      "Value 2",
      "Value 3"
    ],
    "dataColumns": [
      {
        "name": "Series 1",
        "role": "categoryLabel",
        "type": "string",
        "position": "row0_col0"
      },
      {
        "name": "Value 1",
        "role": "series",
        "type": "number",
        "position": "row1_col0"
      },
      {
        "name": "Value 2",
        "role": "series",
        "type": "number",
        "position": "row2_col0"
      },
      {
        "name": "Value 3",
        "role": "series",
        "type": "number",
        "position": "row3_col0"
      }
    ],
    "sampleData": {
      "headers": [
        "Series 1",
        "Q1 2024",
        "Q2 2024",
        "Q3 2024",
        "Q4 2024",
        "Q1 2025",
        "Q2 2025",
        "Q3 2025",
        "Q4 2025",
        "Q1 2026",
        "Q2 2026",
        "Q3 2026",
        "Q4 2026"
      ],
      "rows": [
        [
          "Value 1",
          19016,
          42018,
          58434,
          47353,
          30676,
          67433,
          81200,
          49651,
          90173,
          95717,
          79329,
          11025
        ],
        [
          "Value 2",
          97538,
          82692,
          49240,
          96951,
          23577,
          27601,
          44664,
          25129,
          24029,
          82512,
          30374,
          45697
        ],
        [
          "Value 3",
          46930,
          89276,
          37607,
          54942,
          36685,
          93130,
          44600,
          76244,
          74032,
          42914,
          16658,
          22097
        ]
      ]
    },
    "use_case": "Show how one or more metrics change over ordered categories or time.",
    "data_requirements": "3 series, 12 categories, flat category/series workbook",
    "recommended_color_schemes": [
      "corporate-trust",
      "innovation-purple"
    ],
    "when_to_use": "Use for revenue, usage, retention, benchmarks, or any metric where direction matters more than isolated values.",
    "when_to_avoid": "Avoid with unordered categories or when exact part-to-whole composition is the main message.",
    "best_practices": [
      "Keep line weights consistent",
      "Direct-label series when possible",
      "Use markers only when individual points matter"
    ],
    "pagePreview": {
      "src": "https://www.pptx.gallery/media/chart-previews/stacked-line-3x.80cf2e168d3c.png",
      "vectorSrc": "https://www.pptx.gallery/media/chart-previews/stacked-line-3x.39626a8f6d7b.svg"
    },
    "pageDescription": "Stacked Line is an OPF line chart preset with canonical workbook metadata, sample data, and engine chart type mapping."
  }
}