/// <summary>
/// Adds the megatile region to parameters.
/// </summary>
/// <param name='region'>
/// Region.
/// </param>
/// <param name='parameters'>
/// Parameters.
/// </param>
public static void AddMegatileRegionToParameters(Region region, Dictionary<string, string> parameters)
{
// these have to fall on exact values
region.EncapsulateMegatiles();
parameters.Add("x_min", region.left.ToString());
parameters.Add("x_max", region.right.ToString());
parameters.Add("y_min", Megatile.ToServerY(region.top).ToString());
parameters.Add("y_max", Megatile.ToServerY(region.bottom).ToString());
}