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IGeographicCoordinateSystemEdit.Define Method (ArcObjects .NET 10.8 SDK)
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This document is archived and information here might be outdated. Recommended version. |
Defines the properties for a geographic coordinate system.
[Visual Basic .NET]
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] _
)
[C#]
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
);
[C++]
HRESULT Define(
Variant* Name,
Variant* Alias,
Variant* Abbreviation,
Variant* Remarks,
Variant* useage,
Variant* Datum,
Variant* PrimeMeridian,
Variant* geographicUnit
);
[C++] Parameters Name [optional]
Name is a parameter of type VARIANT* Alias [optional]
Alias is a parameter of type VARIANT* Abbreviation [optional]
Abbreviation is a parameter of type VARIANT* Remarks [optional]
Remarks is a parameter of type VARIANT* useage [optional]
useage is a parameter of type VARIANT* Datum [optional]
Datum is a parameter of type VARIANT* PrimeMeridian [optional]
PrimeMeridian is a parameter of type VARIANT* geographicUnit [optional]
geographicUnit is a parameter of type VARIANT*
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);
}