Provides access to members that control the properties for a geographic coordinate system.
Members
Name | Description | |
---|---|---|
Define | Defines the properties for a geographic coordinate system. | |
DefineEx | Defines the properties for a geographic coordinate system. |
IGeographicCoordinateSystemEdit.Define Method
Defines the properties for a geographic coordinate system.
Public Sub Define ( _
[ByRef Name As Object], _
[ByRef Alias As Object], _
[ByRef Abbreviation As Object], _
[ByRef Remarks As Object], _
[ByRef useage As Object], _
[ByRef Datum As Object], _
[ByRef PrimeMeridian As Object], _
[ByRef geographicUnit As Object] _
)
public void Define (
ref object Name,
ref object Alias,
ref object Abbreviation,
ref object Remarks,
ref object useage,
ref object Datum,
ref object PrimeMeridian,
ref object geographicUnit
);
Description
Use the Define method of IGeographicCoordinateSystemEdit to set the properties of a geographic coordinate system. A geographic coordinate system is defined (at minimum) by a name, an angular unit of measure, a horizontal datum, and a prime meridian.
private void DefineCoordinateSystem()
{
// use activator class with SpatialReferenceEnvironment singleton
Type factoryType = Type.GetTypeFromProgID("esriGeometry.SpatialReferenceEnvironment");
System.Object obj = Activator.CreateInstance(factoryType);
ISpatialReferenceFactory spatialReferenceFactory = obj as ISpatialReferenceFactory;
IDatum datum = spatialReferenceFactory.CreateDatum((int)esriSRDatumType.esriSRDatum_OSGB1936);
IPrimeMeridian primeMeridian = spatialReferenceFactory.CreatePrimeMeridian((int)esriSRPrimeMType.esriSRPrimeM_Greenwich);
IUnit unit = spatialReferenceFactory.CreateUnit((int)esriSRUnitType.esriSRUnit_Degree);
IGeographicCoordinateSystemEdit geographicCoordinateSystemEdit = new GeographicCoordinateSystemClass();
object name = "UserDefined Geographic Coordinate System";
object alias = "UserDefined GCS";
object abbreviation = "UserDefined";
object remarks = "User Defined Geographic Coordinate System based on OSGB1936";
object usage = "Suitable for the UK";
object datumObject = datum as object;
object primeMeridianObject = primeMeridian as object;
object unitObject = unit as object;
geographicCoordinateSystemEdit.Define(ref name,
ref alias,
ref abbreviation,
ref remarks,
ref usage,
ref datumObject,
ref primeMeridianObject,
ref unitObject);
IGeographicCoordinateSystem userDefinedGGeographicCoordinateSystem = geographicCoordinateSystemEdit as IGeographicCoordinateSystem;
System.Windows.Forms.MessageBox.Show(userDefinedGGeographicCoordinateSystem.Name);
}
IGeographicCoordinateSystemEdit.DefineEx Method
Defines the properties for a geographic coordinate system.
Public Sub DefineEx ( _
ByVal Name As String, _
ByVal Alias As String, _
ByVal Abbreviation As String, _
ByVal Remarks As String, _
ByVal useage As String, _
ByVal Datum As IDatum, _
ByVal PrimeMeridian As IPrimeMeridian, _
ByVal geographicUnit As IAngularUnit _
)
public void DefineEx (
string Name,
string Alias,
string Abbreviation,
string Remarks,
string useage,
IDatum Datum,
IPrimeMeridian PrimeMeridian,
IAngularUnit geographicUnit
);
Classes that implement IGeographicCoordinateSystemEdit
Classes | Description |
---|---|
GeographicCoordinateSystem | Creates a geographic coordinate system. |