static void Main(string[] args)
{
try {
{
// Sample forward calculation from
// A guide to coordinate systems in Great Britain
double
lat = DMS.Decode(52, 39, 27.2531),
lon = DMS.Decode(1, 43, 4.5177);
double x, y;
OSGB.Forward(lat, lon, out x, out y);
string gridref;
OSGB.GridReference(x, y, 2, out gridref);
Console.WriteLine(String.Format("{0} {1} {2}", x, y, gridref));
}
{
// Sample reverse calculation
string gridref = "TG5113";
double x, y;
int prec;
OSGB.GridReference(gridref, out x, out y, out prec, true);
double lat, lon;
OSGB.Reverse(x, y, out lat, out lon);
Console.WriteLine(String.Format("{0} {1} {2}", prec, lat, lon));
}
}
catch (GeographicErr e) {
Console.WriteLine(String.Format("Caught exception: {0}", e.Message));
}
}
private void OnConvertLatLon(object sender, EventArgs e)
{
try
{
int zone;
bool northp;
double x, y;
string str;
double lat = Double.Parse(m_latitudeTextBox.Text);
double lon = Double.Parse(m_longitudeTextBox.Text);
UTMUPS.Forward(lat, lon, out zone, out northp, out x, out y, (int)UTMUPS.ZoneSpec.STANDARD, true);
m_utmPoleCheckBox.Checked = northp;
m_utmXTextBox.Text = x.ToString();
m_utmYTextBox.Text = y.ToString();
m_utmZoneTextBox.Text = zone.ToString();
MGRS.Forward(zone, northp, x, y, 8, out str);
m_mgrsTextBox.Text = str;
OSGB.Forward(lat, lon, out x, out y);
m_osgbXTextBox.Text = x.ToString();
m_osgbYTextBox.Text = y.ToString();
OSGB.GridReference(x, y, 8, out str);
m_osgbTextBox.Text = str;
}
catch (Exception xcpt)
{
MessageBox.Show(xcpt.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void OnConvertOSGB(object sender, EventArgs e)
{
// the latitude and longitude returned by OSGB is not WGS84 and should not
// be used with UTMUPS or MGRS.
double x = Double.Parse(m_osgbXTextBox.Text);
double y = Double.Parse(m_osgbYTextBox.Text);
double lat, lon;
OSGB.Reverse(x, y, out lat, out lon);
m_latitudeTextBox.Text = lat.ToString();
m_longitudeTextBox.Text = lon.ToString();
}
private void OnValidate(object sender, EventArgs e)
{
try
{
string str;
int prec, zone, zout;
bool northp;
double x, y, x1, y1, gamma, k, lat, lon;
OSGB.Forward(52.0, -2.0, out x, out y, out gamma, out k);
OSGB.Forward(52.0, -2.0, out x1, out y1);
if (x != x1 || y != y1)
{
throw new Exception("Error in OSGB.Forward");
}
OSGB.Reverse(x, y, out lat, out lon, out gamma, out k);
OSGB.Reverse(x, y, out x1, out y1);
if (lat != x1 || lon != y1)
{
throw new Exception("Error in OSGB.Reverse");
}
OSGB.GridReference(x, y, 8, out str);
OSGB.GridReference(str, out x1, out y1, out prec, true);
UTMUPS.StandardZone(32.0, -80.0, (int)UTMUPS.ZoneSpec.STANDARD);
UTMUPS.UTMShift();
UTMUPS.StandardZone(32.0, -86.0, (int)UTMUPS.ZoneSpec.STANDARD);
UTMUPS.Forward(32.0, -86.0, out zone, out northp, out x, out y, out gamma, out k, (int)UTMUPS.ZoneSpec.STANDARD, true);
UTMUPS.Forward(32.0, -86.0, out zone, out northp, out x1, out y1, (int)UTMUPS.ZoneSpec.STANDARD, true);
if (x != x1 || y != y1)
{
throw new Exception("Error in UTMUPS.Forward");
}
UTMUPS.Reverse(zone, northp, x, y, out lat, out lon, out gamma, out k, true);
UTMUPS.Reverse(zone, northp, x, y, out x1, out y1, true);
if (lat != x1 || lon != y1)
{
throw new Exception("Error in UTMUPS.Reverse");
}
UTMUPS.Transfer(zone, northp, x, y, zone + 1, true, out x1, out y1, out zout);
str = UTMUPS.EncodeZone(zone, northp, true);
prec = UTMUPS.EncodeEPSG(zone, northp);
UTMUPS.DecodeZone(str, out zone, out northp);
UTMUPS.DecodeEPSG(prec, out zone, out northp);
MGRS.Forward(zone, northp, x, y, 8, out str);
MGRS.Forward(zone, northp, x, y, 32.0, 8, out str);
MGRS.Reverse(str, out zone, out northp, out x, out y, out prec, true);
MessageBox.Show("No errors detected", "OK", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
catch (Exception xcpt)
{
MessageBox.Show(xcpt.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
