private void OnValidate(object sender, EventArgs e)
{
try
{
Geoid g = new Geoid(m_fileName, m_path, false, false);
g.CacheArea(20.0, -30.0, 30.0, -20.0);
g.CacheAll();
double gradx, grady;
double h1 = g.Height(32.0, -60.0, out gradx, out grady);
double h2 = g.Height(32.0, -60.0);
if (h1 != h2)
{
throw new Exception("Error in Geoid.Height");
}
g.ConvertHeight(32.0, -60.0, 100.0, Geoid.ConvertFlag.ELLIPSOIDTOGEOID);
MessageBox.Show("No errors detected", "OK", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
catch (Exception xcpt)
{
MessageBox.Show(xcpt.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void OnHeight(object sender, EventArgs e)
{
try
{
double lat = Double.Parse(m_latitudeTextBox.Text);
double lon = Double.Parse(m_longitudeTextBox.Text);
m_ellipsoidTextBox.Text = m_geoid.Height(lat, lon).ToString();
m_geoidTextBox.Text = "0";
}
catch (Exception xcpt)
{
MessageBox.Show(xcpt.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
static void Main(string[] args)
{
try {
Geoid egm96 = new Geoid("egm96-5", "", true, false);
// Convert height above egm96 to height above the ellipsoid
double lat = 42, lon = -75, height_above_geoid = 20;
double
geoid_height = egm96.Height(lat, lon),
height_above_ellipsoid = (height_above_geoid +
(double)Geoid.ConvertFlag.GEOIDTOELLIPSOID * geoid_height);
Console.WriteLine(height_above_ellipsoid);
}
catch (GeographicErr e) {
Console.WriteLine(String.Format("Caught exception: {0}", e.Message));
}
}
static void Main(string[] args)
{
try {
Geoid egm96 = new Geoid("egm96-5", "", true, false);
// Convert height above egm96 to height above the ellipsoid
double lat = 42, lon = -75, height_above_geoid = 20;
double
geoid_height = egm96.Height(lat, lon),
height_above_ellipsoid = (height_above_geoid +
(double)Geoid.ConvertFlag.GEOIDTOELLIPSOID * geoid_height);
Console.WriteLine(height_above_ellipsoid);
}
catch (GeographicErr e) {
Console.WriteLine(String.Format("Caught exception: {0}", e.Message));
}
}
private void OnValidate(object sender, EventArgs e)
{
try
{
Geoid g = new Geoid(m_fileName, m_path, false, false);
g.CacheArea(20.0, -30.0, 30.0, -20.0);
g.CacheAll();
double gradx, grady;
double h1 = g.Height(32.0, -60.0, out gradx, out grady);
double h2 = g.Height(32.0, -60.0);
if (h1 != h2)
throw new Exception("Error in Geoid.Height");
g.ConvertHeight(32.0, -60.0, 100.0, Geoid.ConvertFlag.ELLIPSOIDTOGEOID);
MessageBox.Show("No errors detected", "OK", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
catch (Exception xcpt)
{
MessageBox.Show(xcpt.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
