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Theme river

Create theme river charts for changing composition over time in BeCharts.

Back to Chart types.

Theme river charts show how multiple categories evolve over time, emphasizing changes in composition.

For a full creation walkthrough with FAQs and export tips, see the theme river chart maker.

Data format

  • Typical shape: time + category + value
  • Often represented as rows like: [time, category, value]

Import and edit support

  • Import: ✅ (CSV / Excel / Paste / Google Sheets)
  • Edit: ✅ (river/heatmap-style editor, when available)

Customize highlights

  • Series: smoothing/shape, labels, emphasis
  • Axes: time formatting
  • Legend: category naming and ordering

Tips

  • Keep category count manageable for readability.
  • Use consistent time spacing (avoid missing intervals when possible).