generate
fun generateEntrances(collection: FeatureCollection, poiMap: <Error class: unknown class><Double, MutableList<Feature>>, buildingMap: <Error class: unknown class><Double, Feature>, tileX: Int, tileY: Int, tileZoom: Int)
generateEntrances goes through our hash map and adds an intersection feature to the collection wherever it finds out.
Parameters
collection
is where the new intersection features are added
tile
the tile x coordinate so that the tile relative location of the intersection can be turned into a latitude/longitude
tile
the tile y coordinate so that the tile relative location of the intersection can * be turned into a latitude/longitude