Aura Polar Tool

Polar overlay

Upload a polar file and a log CSV, zoom the chart, and export the result as a PNG.

Files

Polar file

Log file

Polar format supported: each row starts with TWS and then alternating TWA BSP pairs, like your Sunfast file.
Log file needs TWS, TWA, and BSP columns.

Log columns

TWS column

TWA column

BSP column

TWS tolerance

Display

Point size

Min BSP filter

Half polar Use |TWA| for scatter

Notes

Zoom with the mouse wheel or drag on the chart. Double-click to autoscale. The PNG export uses the current zoom level, so you can crop in before downloading.

Built with Plotly so the chart is interactive in the browser and exportable without any backend.