/// <summary>
/// Gets the elevation. Data is smoothed using bilinear interpolation.
/// </summary>
/// <returns>
/// The height. Null, if elevation is not available.
/// </returns>
/// <param name='latitude'>
/// Latitude in decimal degrees of desired location.
/// </param>
/// <param name="longitude">
/// Longitude in decimal degrees of desired location
/// </param>
/// <exception cref='Exception'>
/// Represents errors that occur during application execution.
/// </exception>
public double?GetElevationBilinear(double latitude, double longitude)
{
ISRTMDataCell dataCell = GetDataCell(latitude, longitude);
return(dataCell.GetElevationBilinear(latitude, longitude));
}
/// <summary>
/// Gets the elevation.
/// </summary>
/// <returns>
/// The height. Null, if elevation is not available.
/// </returns>
/// <param name='latitude'>
/// Latitude in decimal degrees of desired location.
/// </param>
/// <param name="longitude">
/// Longitude in decimal degrees of desired location
/// </param>
/// <exception cref='Exception'>
/// Represents errors that occur during application execution.
/// </exception>
public int?GetElevation(double latitude, double longitude)
{
ISRTMDataCell dataCell = GetDataCell(latitude, longitude);
return(dataCell.GetElevation(latitude, longitude));
}