//Overload the method for now. It should later be deterministic and be called with a source url
public IEnumerable <IPollenInfo> GetPollenInfo()
{
return(PollenDmi.GetDmiAllPollens(RelevantCities, RelevantPlants));
}
public IEnumerable <IPollenInfo> GetPollenInfo(string sourceUrl)
{
//Implement this to allow choosing between different pollen sources
//For now we will always return the pollen levels from the PollenDMI class
return(PollenDmi.GetDmiAllPollens(RelevantCities, RelevantPlants));
}