private void OnLineDigitized(double x1, double y1, double x2, double y2)
{
MgMapBase map = mgMapViewer1.GetMap();
//Create a coordiante system from the map's SRS
MgCoordinateSystemFactory csFactory = new MgCoordinateSystemFactory();
MgCoordinateSystem mapCs = csFactory.Create(map.GetMapSRS());
//Invoke the appropriate measure method depending on the type
//of coordinate system
double dist = 0.0;
if (mapCs.GetType() == MgCoordinateSystemType.Geographic)
{
dist = mapCs.MeasureGreatCircleDistance(x1, y1, x2, y2);
}
else
{
dist = mapCs.MeasureEuclideanDistance(x1, y1, x2, y2);
}
//Convert this distance to meters
dist = mapCs.ConvertCoordinateSystemUnitsToMeters(dist);
MessageBox.Show("Distance is: " + dist + " meters");
}
private void btnStart_Click(object sender, EventArgs e)
{
btnStart.Enabled = false;
_segments.Clear();
_viewer.DigitizeLineString((coordinates) => //Completed
{
btnStart.Enabled = true;
}, (x1, y1, x2, y2) => //Segment completed
{
double dist = 0.0;
if (_mapCs.GetType() == MgCoordinateSystemType.Geographic)
{
dist = _mapCs.MeasureGreatCircleDistance(x1, y1, x2, y2);
}
else
{
dist = _mapCs.MeasureEuclideanDistance(x1, y1, x2, y2);
}
//Convert this distance to meters
dist = _mapCs.ConvertCoordinateSystemUnitsToMeters(dist);
//Add to list of line segments
_segments.Add(new MeasuredLineSegment()
{
MapDistanceMeters = dist, Units = (MeasurementUnit)cmbUnits.SelectedItem
});
lblUnits.Text = TotalUnits(_segments).ToString();
});
}
private static void Main(string[] args)
{
if (args.Length == 1)
{
if (string.IsNullOrEmpty(Environment.GetEnvironmentVariable("MENTOR_DICTIONARY_PATH")))
{
var currentDir = Path.GetDirectoryName(new Uri(Assembly.GetExecutingAssembly().CodeBase).LocalPath);
var dictionaryDir = Path.Combine(currentDir, "Dictionaries");
if (Directory.Exists(dictionaryDir))
{
Environment.SetEnvironmentVariable("MENTOR_DICTIONARY_PATH", dictionaryDir, EnvironmentVariableTarget.Process);
}
else
{
Console.WriteLine("Error: Could not find CS-Map dictionary path");
}
}
MgCoordinateSystemFactory csFact = null;
MgCoordinateSystem cs = null;
try
{
csFact = new MgCoordinateSystemFactory();
cs = csFact.Create(args[0]);
double mpu = cs.ConvertCoordinateSystemUnitsToMeters(1.0);
Console.WriteLine(mpu);
cs.Dispose();
csFact.Dispose();
}
catch (MgException ex)
{
Console.WriteLine(ex.Message);
ex.Dispose();
}
finally
{
if (cs != null)
{
cs.Dispose();
}
if (csFact != null)
{
csFact.Dispose();
}
}
}
else
{
Console.WriteLine("Error: Insufficient arguments. Usage: MpuCalc.exe [Coord sys WKT]");
}
}
public double Calculate(string csWkt, double units)
{
MgCoordinateSystem cs = _csFact.Create(csWkt);
return(cs.ConvertCoordinateSystemUnitsToMeters(units));
}
