Function selectOnOneLayerFromPolygon

selectOnOneLayerFromPolygon(layerId, polygon, params?): GeoJSON.Feature[]
JMap.Map.Selection.selectOnOneLayerFromPolygon

Select for specific layer its features that intersect the line.
Parameters
- layerId: JId
  The JMap layer id
- polygon: JPolygon
  The line
- Optional params: JMapSelectionParams
  selection parameters, see JMapSelectionParams
Returns GeoJSON.Feature[]
The features array
Throws
Error if layer is not found or if line format is not good

Example
```
// Process a selection on the map for layer id=4, selecting features intersecting the line
JMap.Map.Selection.selectOnOneLayerFromPolygon(
  4, // The layer id
  [
    [ 34.23, 55.5 ],
    [ 36.24, 14.9 ],
    [ 45.23, 25.2 ],
    [ 34.23, 55.5 ]
  ]
)
```