routing

gpx-rs/engine/src/core/gpx/trackpoint.rs

@@ -17,4 +17,8 @@ pub struct Trackpoint {
     pub sac_scale: Option<u8>,
     /// Code of the mountain biking scale, see [`crate::TrackpointCategories`].
     pub mtb_scale: Option<u8>,
+    /// Whether the trackpoint is an anchor of the routing tool (a point the user can drag to
+    /// reroute the segment): the lowest map zoom level at which it is shown. The first and last
+    /// trackpoints of a segment are always anchors that are always shown (zoom 0).
+    pub anchor: Option<u8>,
 }