ArcObjects Library Reference (Geometry)

IConstructCircularArc.ConstructBearingAngleChord Method

[Visual Basic .NET]
Public Sub ConstructBearingAngleChord ( _
    ByVal from As IPoint, _
    ByVal inAngle As Double, _
    ByVal isCCW As Boolean, _
    ByVal CentralAngle As Double, _
    ByVal chordDistance As Double _
)

[C#]
public void ConstructBearingAngleChord (
    IPoint from,
    double inAngle,
    bool isCCW,
    double CentralAngle,
    double chordDistance
);

[C++]
HRESULT ConstructBearingAngleChord(
  IPoint* from,
  double inAngle,
  VARIANT_BOOL isCCW,
  double CentralAngle,
  double chordDistance
);

[C++]
Parameters
from 
  from is a parameter of type IPoint
inAngle 
  inAngle is a parameter of type double
isCCW 
  isCCW is a parameter of type VARIANT_BOOL
CentralAngle 
  CentralAngle is a parameter of type double
chordDistance 
  chordDistance is a parameter of type double

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.

[C#]

private void ConstructBearingAngleChord()
{
  IConstructCircularArc constructCircularArc = new CircularArcClass();
  ICircularArc circularArc = constructCircularArc as ICircularArc;
  
  IPoint fromPoint = new PointClass();
  fromPoint.PutCoords(100, 100);
 
  //The angles should be in Radians (Radians = Degrees * PI/180)
  constructCircularArc.ConstructBearingAngleChord(fromPoint, 0, true, (90 * (Math.PI / 180)), 150);
   
  String report = "Length : " + circularArc.Length + "\n" +
                  "Radius : " + circularArc.Radius + "\n" +
                  "Chord Height : " + circularArc.ChordHeight + "\n" +
                  "Central Angle (Rad) : " + circularArc.CentralAngle + "\n" +
                  "From Angle (Rad) : " + circularArc.FromAngle + "\n" +
                  "To Angle (Rad) : " + circularArc.ToAngle + "\n" +
                  "Center Point : " + circularArc.CenterPoint.X + " , " + circularArc.CenterPoint.Y + "\n" +
                  "From Point : " + circularArc.FromPoint.X + " , " + circularArc.FromPoint.Y + "\n" +
                  "To Point : " + circularArc.ToPoint.X + " , " + circularArc.ToPoint.Y;
  System.Windows.Forms.MessageBox.Show(report);
}

[Visual Basic .NET]

Private Sub ConstructBearingAngleChord()
  Dim pConstructCircularArc As ESRI.ArcGIS.Geometry.IConstructCircularArc
  Dim pCArc As ESRI.ArcGIS.Geometry.ICircularArc
  Dim Pi As Double
  Dim pFromPoint As ESRI.ArcGIS.Geometry.IPoint
  
  pConstructCircularArc = New ESRI.ArcGIS.Geometry.CircularArc
  pCArc = pConstructCircularArc
  Pi = 4 * Math.Atan(1) 'Calculate the value of pi.
  pFromPoint = New ESRI.ArcGIS.Geometry.Point
  pFromPoint.PutCoords(100, 100)
  'The angles should be in Radians (Radians = Degrees * PI/180)
  pConstructCircularArc.ConstructBearingAngleChord(pFromPoint, 0, True, (90 * (Pi / 180)), 100)
 
  Debug.Print("Length : " & pCArc.Length)
  Debug.Print("Radius : " & pCArc.Radius)
  Debug.Print("Chord Height : " & pCArc.ChordHeight)
  Debug.Print("Central Angle (Rad) : " & pCArc.CentralAngle)
  Debug.Print("From Angle (Rad) : " & pCArc.FromAngle)
  Debug.Print("To Angle (Rad) : " & pCArc.ToAngle)
  Debug.Print("Center Point : " & pCArc.CenterPoint.X & " , " & pCArc.CenterPoint.Y)
  Debug.Print("From Point : " & pCArc.FromPoint.X & " , " & pCArc.FromPoint.Y)
  Debug.Print("To Point : " & pCArc.ToPoint.X & " , " & pCArc.ToPoint.Y)
End Sub