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IConstructCircularArc.ConstructChordDistance Method (ArcObjects .NET 10.8 SDK)
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This document is archived and information here might be outdated. Recommended version. |
Constructs an arc from a center point, a starting point, and a chord length.
[Visual Basic .NET] Public Sub ConstructChordDistance ( _ ByVal Center As IPoint, _ ByVal from As IPoint, _ ByVal isCCW As Boolean, _ ByVal chordDistance As Double _ )
[C#] public void ConstructChordDistance ( IPoint Center, IPoint from, bool isCCW, double chordDistance );
[C++]
HRESULT ConstructChordDistance(
IPoint* Center,
IPoint* from,
VARIANT_BOOL isCCW,
double chordDistance
);
[C++] Parameters Center
Center is a parameter of type IPoint* from
from is a parameter of type IPoint* isCCW
isCCW is a parameter of type bool chordDistance
chordDistance is a parameter of type double
Constructs a CircularArc given the Center Point, From Point, the desired orientation, and the desired Chord Length. The Chord Distance must be less than 2 * the Radius (the distance between the From Point and the Center Point), otherwise an error is returned. Only IsMinor CircularArcs can be constructed.
-isCCW stands for "is counter clockwise"
Note : To construct a major CircularArc using the same paramaters use the IConstructCircularcArc2::ConstructChordDistanceEx method with the IsMinor parameter equal to false.
private void ConstructChordDistance()
{
IConstructCircularArc constructCircularArc = new CircularArcClass();
ICircularArc circularArc = constructCircularArc as ICircularArc;
IPoint fromPoint = new PointClass();
IPoint toPoint = new PointClass();
fromPoint.PutCoords(100, 100);
toPoint.PutCoords(50, 50); constructCircularArc.ConstructChordDistance(fromPoint, toPoint, true, 100); 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);
}
Private Sub ConstructChordDistance()
Dim pConstructCircularArc As ESRI.ArcGIS.Geometry.IConstructCircularArc
Dim pCArc As ESRI.ArcGIS.Geometry.ICircularArc
Dim pCenterPoint As ESRI.ArcGIS.Geometry.IPoint
Dim pFromPoint As ESRI.ArcGIS.Geometry.IPoint
pConstructCircularArc = New ESRI.ArcGIS.Geometry.CircularArc
pCArc = pConstructCircularArc
pFromPoint = New ESRI.ArcGIS.Geometry.Point
pCenterPoint = New ESRI.ArcGIS.Geometry.Point
pFromPoint.PutCoords(100, 100)
pCenterPoint.PutCoords(50, 50)
pConstructCircularArc.ConstructChordDistance(pCenterPoint, pFromPoint, True, 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
IConstructCircularArc Interface | IConstructCircularArc.ConstructTangentDistance Method | IConstructCircularArc.ConstructArcDistance Method | IConstructCircularArc.ConstructChordDistance Method