private void CmbMeridianSelectedIndexChanged(object sender, EventArgs e)
{
Proj4Meridian mer = (Proj4Meridian)Enum.Parse(typeof(Proj4Meridian), (string)cmbMeridian.SelectedItem);
Meridian m = new Meridian(mer);
SelectedProjectionInfo.GeographicInfo.Meridian = m;
dbMeridian.Value = m.Longitude;
}
/// <summary>
/// Creates a new meridian from one of the known, proj4 meridian locations.
/// Presumably the longitudes here correspond to various standard meridians
/// rather than some arbitrary longitudes of capital cities.
/// </summary>
/// <param name="standardMeridian">One of the enumerations listed</param>
public Meridian(Proj4Meridian standardMeridian)
{
AssignMeridian(standardMeridian);
}
/// <summary>
/// Creates a new meridian from one of the known, proj4 meridian locations.
/// Presumably the longitudes here correspond to various standard meridians
/// rather than some arbitrary longitudes of capital cities.
/// </summary>
/// <param name="standardMeridian">One of the enumerations listed</param>
public Meridian(Proj4Meridian standardMeridian)
{
AssignMeridian(standardMeridian);
}
/// <summary>
/// Changes the longitude to correspond with the specified standard meridian
/// </summary>
/// <param name="standardMeridian"></param>
public void AssignMeridian(Proj4Meridian standardMeridian)
{
_name = standardMeridian.ToString();
switch (standardMeridian)
{
case Proj4Meridian.Greenwich:
_longitude = 0;
_code = 8901;
break;
case Proj4Meridian.Lisbon:
_longitude = -9.131906111;
_code = 8902;
break;
case Proj4Meridian.Paris:
_longitude = 2.337229167;
_code = 8903;
break;
case Proj4Meridian.Bogota:
_longitude = -74.08091667;
_code = 8904;
break;
case Proj4Meridian.Madrid:
_longitude = -3.687938889;
_code = 8905;
break;
case Proj4Meridian.Rome:
_longitude = 12.45233333;
_code = 8906;
break;
case Proj4Meridian.Bern:
_longitude = 7.439583333;
_code = 8907;
break;
case Proj4Meridian.Jakarta:
_longitude = 106.8077194;
_code = 8908;
break;
case Proj4Meridian.Ferro:
_longitude = -17.66666667;
_code = 8909;
break;
case Proj4Meridian.Brussels:
_longitude = 4.367975;
_code = 8910;
break;
case Proj4Meridian.Stockholm:
_longitude = 18.05827778;
_code = 8911;
break;
case Proj4Meridian.Athens:
_longitude = 23.7163375;
_code = 8912;
break;
case Proj4Meridian.Oslo:
_longitude = 10.72291667;
_code = 8913;
break;
}
}
/// <summary>
/// Changes the longitude to correspond with the specified standard meridian
/// </summary>
/// <param name="standardMeridian"></param>
public void AssignMeridian(Proj4Meridian standardMeridian)
{
_name = standardMeridian.ToString();
switch (standardMeridian)
{
case Proj4Meridian.Greenwich:
_longitude = 0;
_code = 8901;
break;
case Proj4Meridian.Lisbon:
_longitude = -9.131906111;
_code = 8902;
break;
case Proj4Meridian.Paris:
_longitude = 2.337229167;
_code = 8903;
break;
case Proj4Meridian.Bogota:
_longitude = -74.08091667;
_code = 8904;
break;
case Proj4Meridian.Madrid:
_longitude = -3.687938889;
_code = 8905;
break;
case Proj4Meridian.Rome:
_longitude = 12.45233333;
_code = 8906;
break;
case Proj4Meridian.Bern:
_longitude = 7.439583333;
_code = 8907;
break;
case Proj4Meridian.Jakarta:
_longitude = 106.8077194;
_code = 8908;
break;
case Proj4Meridian.Ferro:
_longitude = -17.66666667;
_code = 8909;
break;
case Proj4Meridian.Brussels:
_longitude = 4.367975;
_code = 8910;
break;
case Proj4Meridian.Stockholm:
_longitude = 18.05827778;
_code = 8911;
break;
case Proj4Meridian.Athens:
_longitude = 23.7163375;
_code = 8912;
break;
case Proj4Meridian.Oslo:
_longitude = 10.72291667;
_code = 8913;
break;
}
}
