Class ValhallaIsochrone

Valhalla Isochrone engine class

Index

Constructors

Methods

Constructors

constructor

new ValhallaIsochrone(url: string): ValhallaIsochrone
Constructor
Parameters
- url: string
  URL for terrain RGB raster tilesets
Returns ValhallaIsochrone
- Defined in src/lib/helpers/valhallaIsochrone.ts:49

Methods

calcIsochrone

calcIsochrone(
    lon: number,
    lat: number,
    contourType: "distance" | "time",
    costingModel: "auto" | "pedestrian" | "bicycle",
    contours: Contour[],
): Promise<{ features: GeoJSONStoreFeatures[]; type: "FeatureCollection" }>
Calculate isochrone by given parameters from Valhalla API
Parameters
- lon: number
  Longitude
- lat: number
  Latitude
- contourType: "distance" | "time"
  the type of contour either time or distance
- costingModel: "auto" | "pedestrian" | "bicycle"
  costing model either auto, bicycle or pedestrian
- contours: Contour[]
  Optional. the list of contour. If skipped, default value is used.
Returns Promise<{ features: GeoJSONStoreFeatures[]; type: "FeatureCollection" }>
GeoJSON Feature Collection object
- Defined in src/lib/helpers/valhallaIsochrone.ts:62