Directionality Explorer

An in-browser port of Fiji Directionality: every edge coloured by the direction it runs.

Light mode

Your image

Open image Open folder

Or drop images onto the viewer. ← and → step through the set.

Orientation overlay Click a feature to isolate its direction

Original image underlay

Drag across it to isolate directions · Shift-drag adds · I inverts · Esc clears