private void btnOK_Click(object sender, EventArgs e)
{
try
{
if (String.IsNullOrEmpty(txtPrjName.Text) || txtPrjName.Text == "<自定义>")
{
MessageBox.Show("投影坐标系统名称不能为空!", "系统消息", MessageBoxButtons.OK, MessageBoxIcon.Warning);
txtPrjName.Focus();
return;
}
linearUnit.CollectionAguments();
projectionParam.CollectionAguments();
if (geoCoordParamDisplay._dialogResult == System.Windows.Forms.DialogResult.OK)
{
_geographicCoordSystem = geoCoordParamDisplay.GeoCoordSystem;
}
else
{
_geographicCoordSystem = _spatialReference.GeographicsCoordSystem;
}
}
catch
{
MessageBox.Show("投影坐标系统参数不完整!", "系统消息", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
CreatProjSystem();
if (!String.IsNullOrEmpty(txtPrjName.Text) && txtPrjName.Text != "<自定义>")
{
_spatialSystemName = txtPrjName.Text;
}
_spatialReference.Name = _spatialSystemName;
DialogResult = System.Windows.Forms.DialogResult.OK;
}
public GeoCoordinateDefine(IGeographicCoordSystem GeoCoordSystem, enumControlType ControlType)
{
_geographicCoordSystem = GeoCoordSystem;
_controlType = ControlType;
InitializeComponent();
Init();
}
public bool IsSame(IGeographicCoordSystem geoCoordSys)
{
return(_angularUnit != null &&
_primeMeridian != null &&
_datum != null &&
_angularUnit.IsSame(geoCoordSys.AngularUnit) &&
_primeMeridian.IsSame(geoCoordSys.PrimeMeridian) &&
_datum.IsSame(geoCoordSys.Datum));
}
private void CreatGeoReference()
{
AngularUnit geoAngularUnit = new AngularUnit(angularUnit.AngularUnitName, angularUnit.AngularUnitValue);
Datum geoDatum = new Datum(datum.DatumName, datum.DatumSpheroid);
PrimeMeridian geoPrimeMeridian = new PrimeMeridian(primeMeridian.PrimeMeridianName, primeMeridian.PrimeMeridianValue);
_geographicCoordSystem = new GeographicCoordSystem(_geoSystemName, geoAngularUnit, geoPrimeMeridian, geoDatum);
_spatialReference = new SpatialReference(_geographicCoordSystem);
}
public SpatialReference(IGeographicCoordSystem geoCoordSystem, IProjectionCoordSystem prjCoordSystem)
: this(geoCoordSystem)
{
_prjCoordSystem = prjCoordSystem;
if (_prjCoordSystem != null)
{
_name = _prjCoordSystem.NameDes;
_oracleSpatialSRID = _prjCoordSystem.ToOracleSpatialSRID();
}
}
private void ShowGeoCoordSystem()
{
if (_spatialReference == null || _spatialReference.GeographicsCoordSystem == null)
{
txtShow.Text = "此空间参考错误，地理坐标系统为空";
return;
}
txtShow.Text = _spatialReference.GeographicsCoordSystem.ToString();
_geoCoordSystem = _spatialReference.GeographicsCoordSystem;
}
private void btnSelect_Click(object sender, EventArgs e)
{
GeoSystemTree spatialRefTree = new GeoSystemTree();
spatialRefTree.ShowDialog();
if (spatialRefTree.CurrentGeoCoordSystem != null)
{
_geoCoordSystem = spatialRefTree.CurrentGeoCoordSystem;
txtShow.Text = _geoCoordSystem.ToString();
_dialogResult = DialogResult.OK;
}
}
private void TryApplyGeo(GeoCoordinateDefine geoCoordinateDefine)
{
geoCoordinateDefine.ShowDialog();
if (geoCoordinateDefine.DialogResult == System.Windows.Forms.DialogResult.OK)
{
if (geoCoordinateDefine.GeographicCoordSystem != null)
{
_geoCoordSystem = geoCoordinateDefine.GeographicCoordSystem;
_spatialReference = new SpatialReference(_geoCoordSystem);
txtSpatialRefInfo.Text = _spatialReference.ToString();
}
}
}
private void btnOK_Click(object sender, EventArgs e)
{
if (!(tvSpatialRefTree.SelectedNode.Tag as SpatialReferenceFile).IsPrjFile)
{
return;
}
if ((tvSpatialRefTree.SelectedNode.Tag as SpatialReferenceFile).SpatialReference.GeographicsCoordSystem == null)
{
return;
}
_currentGeoCoordSystem = (tvSpatialRefTree.SelectedNode.Tag as SpatialReferenceFile).SpatialReference.GeographicsCoordSystem;
Close();
}
public void CollectionArgumentsCreat()
{
using (GeoCoordinateDefine geoCoordinateDefine = new GeoCoordinateDefine(_spatialReference, enumControlType.Creat))
{
if (geoCoordinateDefine.ShowDialog() == DialogResult.OK)
{
_geoCoordSystem = geoCoordinateDefine.GeographicCoordSystem;
}
else if (_spatialReference != null)
{
_geoCoordSystem = _spatialReference.GeographicsCoordSystem;
}
}
}
public ISpatialReference Parse(string proj4)
{
if (string.IsNullOrEmpty(proj4))
{
return(null);
}
proj4 = proj4.ToLower();
string[] parts = proj4.Split('+');
if (parts.Length < 2)
{
return(null);
}
Dictionary <string, string> nameValuePairs = new Dictionary <string, string>();
foreach (string part in parts)
{
string[] it = part.Trim().Split('=');
if (it.Length < 2)
{
continue;
}
nameValuePairs.Add(it[0], it[1]);
}
if (!nameValuePairs.Keys.Contains("proj"))
{
return(null);
}
IGeographicCoordSystem geoCoordSystem = GetGeoCoordSystemByProj4(nameValuePairs);
if (nameValuePairs.ContainsKey("a"))
{
geoCoordSystem.Datum.Spheroid.SemimajorAxis = double.Parse(nameValuePairs["a"]);
}
if (nameValuePairs.ContainsKey("b"))
{
geoCoordSystem.Datum.Spheroid.SemiminorAxis = double.Parse(nameValuePairs["b"]);
}
if (nameValuePairs.ContainsKey("f"))
{
geoCoordSystem.Datum.Spheroid.InverseFlattening = 1 / double.Parse(nameValuePairs["f"]);
}
IProjectionCoordSystem prjCoordSystem = GetPrjCoordSystemByProj4(nameValuePairs);
ISpatialReference spatialReference = new SpatialReference(geoCoordSystem, prjCoordSystem);
if (prjCoordSystem != null)
{
spatialReference.Name = GetSpatialNameByPrjName(prjCoordSystem.Name.Name);
}
return(spatialReference);
}
public void CollectionArgumentsModify()
{
_geoCoordSystem = _spatialReference.GeographicsCoordSystem;
GeoCoordinateDefine geoCoordinateDefine = new GeoCoordinateDefine(_spatialReference, enumControlType.Modify);
geoCoordinateDefine.ShowDialog();
if (geoCoordinateDefine.DialogResult == DialogResult.OK)
{
//{
_geoCoordSystem = geoCoordinateDefine.GeographicCoordSystem;
}
// btnModify.Enabled = true;
// }
//else if (geoCoordinateDefine.DialogResult == DialogResult.Cancel)
// return;
}
public ISpatialReference Parse(string wkt)
{
_rootWktItem = new WktSpliter().Split(wkt);
bool isPrj = IsProjectionCoordSystem();
bool isGeo = IsGeographicCoordSystem();
if (!isPrj && !isGeo)
{
throw new Exception("本系统只支持地理坐标系统与投影坐标系统,坐标系统\"" + _rootWktItem.Name + "\"不受支持。");
}
IGeographicCoordSystem _geoCoordSystem = null;
IProjectionCoordSystem _prjCoordSystem = null;
_geoCoordSystem = ParseGeoCoordSystem(_rootWktItem.GetWktItem(cstGeoCoordSystem));
_prjCoordSystem = ParseProjectionCoordSystem(_rootWktItem.GetWktItem(cstPrjCoordSystem));
return(new SpatialReference(_geoCoordSystem, _prjCoordSystem));
}
public SpatialReference(IGeographicCoordSystem geoCoordSystem)
{
_geoCoordSystem = geoCoordSystem;
_name = _geoCoordSystem.Name;
_oracleSpatialSRID = geoCoordSystem.ToOracleSpatialSRID();
}
