Function selectOnOneLayerAtLocation

selectOnOneLayerAtLocation(layerId, location, params?): GeoJSON.Feature[]
JMap.Map.Selection.selectOnOneLayerAtLocation

Select for specific layer its features that are at the location.

Same behavior as if you were clicking on the map in order to select features, but for only one layer.
Parameters
- layerId: JId
  The JMap layer id
- location: JLocation
  The location where you want feature selection
- Optional params: JMapSelectionParams
  selection parameters, see JMapSelectionParams
Returns GeoJSON.Feature[]
The features array
Throws
Error if layer is not found or location format is not good

Example
```
// Process a selection on the map for layer id=4, at the location in params
JMap.Map.Selection.selectOnOneLayerAtLocation(4, { x: 34.23, y: 55.5 })
```