Plotly.js Custom Marker Functions

Demos for the custom marker functions feature that allows passing JavaScript functions directly as marker.symbol values.

• Weather Map Demo

  Data-driven markers: sun, cloud, and wind barb symbols based on customdata

• Custom Marker Demo

  Simple custom shapes: heart and star markers using only radius

• Backward Compatibility Test

  Shows both simple (r) and data-aware (r, customdata) functions working together