maplibre-gl-terradraw (v1.7.0) has now new control which can integrate with Valhalla API! Point mode can add isochrone contours, and Line mode can calculate the route between nodes.
Demo: https://terradraw.water-gis.com/?exampleType=npm&controlType=valhalla#5.48/-1.081/33.04
GitHub: https://github.com/watergis/maplibre-gl-terradraw
#maplibre #terradraw #valhalla