I'm making a map for a walking trail in QGIS. In the below screenshot, the red line is the trail.
The trail is about 60km in length in total, but on this page of the map, the trail is about 23km long (I eyeballed this, it's probably off by a bit).
The trail is a single, long line feature.
What I would like to do is have the length of the trail on this page of the map be displayed.
I know that I can get the total length of the feature, but I haven't got the faintest idea how to measure the trail on a per-page basis.