isochrone_data = {
const rawFetch = await fetch(
`https://api.targomo.com/westcentraleurope/v1/polygon?key=${targomoKey()}`,
{
method: "POST",
headers: {
"Content-Type": "application/json"
},
body: JSON.stringify(config)
}
);
const geoJSON = (await rawFetch.json()).data;
map.getSource("isochrone").setData(geoJSON);
return geoJSON;
}
config = {
const cfg = {
edgeWeight: "time",
maxEdgeWeight: maxTime,
sources: [
{
id: "source1",
lat: mapMarker.lat,
lng: mapMarker.lng,
tm: {
car: {}
}
}
],
polygon: {
values: [maxTime],
serializer: "geojson",
srid: 4326,
buffer: 0.0015,
quadrantSegments: 5
}
};
if (exclude && exclusionPolygon.features.length > 0) {
cfg.exclusionGeometry = {
crs: 4326,
data: exclusionPolygon
};
}
return cfg;
}
Purpose-built for displays of data
Observable is your go-to platform for exploring data and creating expressive data visualizations. Use reactive JavaScript notebooks for prototyping and a collaborative canvas for visual data exploration and dashboard creation.
