IConstructGeodetic.ConstructGeodesicEllipse Method

constructs a geodesic ellipse with origin at the specified point and semi major axis oriented according to the specified azimuth. The 'by angle' and 'by deviation' densification options are supported.

[Visual Basic .NET]
Public Sub ConstructGeodesicEllipse ( _
    ByVal CenterPoint As IPoint, _
    ByVal LinearUnit As ILinearUnit, _
    ByVal semiMajorAxisLength As Double, _
    ByVal semiMinorAxisLength As Double, _
    ByVal semiMajorAxisAzimuth As Double, _
    ByVal densifyMethod As esriCurveDensifyMethod, _
    ByVal densifyParameter As Double _
)

[C#]
public void ConstructGeodesicEllipse (
    IPoint CenterPoint,
    ILinearUnit LinearUnit,
    double semiMajorAxisLength,
    double semiMinorAxisLength,
    double semiMajorAxisAzimuth,
    esriCurveDensifyMethod densifyMethod,
    double densifyParameter
);

[C++]
HRESULT ConstructGeodesicEllipse(
  IPoint* CenterPoint,
  ILinearUnit* LinearUnit,
  double semiMajorAxisLength,
  double semiMinorAxisLength,
  double semiMajorAxisAzimuth,
  esriCurveDensifyMethod densifyMethod,
  double densifyParameter
);

[C++]

Parameters
CenterPoint 

  CenterPoint is a parameter of type IPoint
LinearUnit 

  LinearUnit is a parameter of type ILinearUnit
semiMajorAxisLength 
  semiMajorAxisLength is a parameter of type double
semiMinorAxisLength 
  semiMinorAxisLength is a parameter of type double
semiMajorAxisAzimuth 
  semiMajorAxisAzimuth is a parameter of type double
densifyMethod 

  densifyMethod is a parameter of type esriCurveDensifyMethod
densifyParameter 
  densifyParameter is a parameter of type double

Product Availability

Description

Constructs a geodesic ellipse centered on the specified point. The esriCurveDensifyByAngle and esriCurveDensifyByDeviation densification methods are supported. If this method is applied to a polygon, the output polygon will have one or two parts, depending on the size of the ellipse. If the ellipse covers both poles and covers a hemisphere, the ellipse perimeter becomes the inner ring (the hole) and the horizon rectangle for the GCS becomes the outer ring.

See Also