////////////// Private Member Method ///////////////////////////////////
private void ExtractElevation()
{
float SampleRatio;
GooglePosition[] TempPosition;
TempPosition = new GooglePosition[2];
TempPosition[0] = new GooglePosition();
TempPosition[1] = new GooglePosition();
TempPosition[0].Latitude = Position[0].Latitude;
TempPosition[0].Longitude = Position[0].Longitude;
TempPosition[1].Latitude = Position[1].Latitude;
TempPosition[1].Longitude = Position[1].Longitude;
if (Position[0].Latitude != Position[1].Latitude) // Area Selected , ROI
{
SampleRatio = ((Position[0].Longitude - Position[1].Longitude) / SampleCount); // for symmetric sampleling
TempPosition[1].Latitude = TempPosition[0].Latitude;
while (TempPosition[0].Latitude > Position[1].Latitude)
{
GenerateQuery(TempPosition); // build query string
// Console.WriteLine("Find for : " + TempPosition[0].Latitude + " , " + TempPosition[0].Longitude + " , " +
// TempPosition[1].Latitude + " , " + TempPosition[1].Longitude);
if (RequestElevation() == true) // execute query string and validation
{
StoreElevationData();
DataHeight++;
//Console.WriteLine("--------------------------------------------------------------------"+DataHeight);
}
else
{
StoreRandomElevationData();
DataHeight++;
}
TempPosition[0].Latitude += SampleRatio;
TempPosition[1].Latitude = TempPosition[0].Latitude;
}
}
System.Console.WriteLine("DataWidth = " + DataWidth + " + DataHeight = " + DataHeight);
}
////////////// Public Member Method ///////////////////////////////////
public GoogleElevationPack()
{
MaxElevation = -1000;
RegExpElevation = new Regex(@"[-+]?(\d*[.])?\d+");
RegExpStatus = new Regex(@"\""status""\s:\s\""\D*""");
Elevations = new List <GoogleElevation>();
Position = new GooglePosition[2];
Position[0] = new GooglePosition();
Position[1] = new GooglePosition();
}