## Calculate an isochrone from a point

`GeoJsonFeature routing().isochrone(RoutingIsochroneParamsparams, RequestOptionsrequestOptions = RequestOptions.none())`

**get** `/api/v1/isochrone`

Calculate an isochrone from a point

### Parameters

- `RoutingIsochroneParams params`

  - `double lat`

    Latitude

  - `double lng`

    Longitude

  - `double time`

    Travel time in seconds (1-7200)

  - `Optional<String> mode`

    Travel mode (auto, foot, bicycle)

### Returns

- `class GeoJsonFeature:`

  - `GeoJsonGeometry geometry`

    - `Coordinates coordinates`

      GeoJSON coordinates array (nesting depth varies by geometry type)

      - `List<double>`

      - `List<List<double>>`

      - `List<List<List<double>>>`

      - `List<List<List<List<double>>>>`

    - `Type type`

      - `POINT("Point")`

      - `LINE_STRING("LineString")`

      - `POLYGON("Polygon")`

      - `MULTI_POINT("MultiPoint")`

      - `MULTI_LINE_STRING("MultiLineString")`

      - `MULTI_POLYGON("MultiPolygon")`

  - `Properties properties`

  - `Type type`

    - `FEATURE("Feature")`

  - `Optional<String> id`

    Feature identifier (type/osm_id)

  - `Optional<Long> osmId`

    OpenStreetMap ID

### Example

```java
package com.plazafyi.example;

import com.plazafyi.client.PlazaClient;
import com.plazafyi.client.okhttp.PlazaOkHttpClient;
import com.plazafyi.models.GeoJsonFeature;
import com.plazafyi.models.routing.RoutingIsochroneParams;

public final class Main {
    private Main() {}

    public static void main(String[] args) {
        PlazaClient client = PlazaOkHttpClient.fromEnv();

        RoutingIsochroneParams params = RoutingIsochroneParams.builder()
            .lat(0.0)
            .lng(0.0)
            .time(0.0)
            .build();
        GeoJsonFeature geoJsonFeature = client.routing().isochrone(params);
    }
}
```