ArcObjects Library Reference (Geometry)  

IConstructCircularArc.ConstructFilletPoint Method

Constructs an arc of given start point near first segment and tangent to two segments. hintPoint can be nil or can be a location near the desired fillet.

[Visual Basic .NET]
Public Sub ConstructFilletPoint ( _
    ByVal s1 As ISegment, _
    ByVal s2 As ISegment, _
    ByVal from As IPoint, _
    ByVal hintPoint As IPoint _
)
[C#]
public void ConstructFilletPoint (
    ISegment s1,
    ISegment s2,
    IPoint from,
    IPoint hintPoint
);
[C++]
HRESULT ConstructFilletPoint(
  ISegment* s1,
  ISegment* s2,
  IPoint* from,
  IPoint* hintPoint
);
[C++]

Parameters

s1 

  s1 is a parameter of type ISegment

s2 

  s2 is a parameter of type ISegment

from 

  from is a parameter of type IPoint

hintPoint 

  hintPoint is a parameter of type IPoint

Product Availability

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

Description

A Fillet Arc is a CircularArc constructed between two input segments such that the CircularArc is tangential to both embedded segments at the Fillet Arc endpoints.  ConstructFilletPoint constructs a Fillet Arc between two input Segments given a suggested From Point and a Hint Point.  The From Point of the Fillet Arc is the nearest point on one of the input segments to the input From Point.  The Hint Point determines which Fillet Arc is to be constructed and the region in which the desired Fillet Arc should exist.  The To Point of the Fillet Arc lies on the embedded extension of the other segment.  If the Hint Point lies in a region in which the Fillet Arc cannot be constructed given the input From Point, an error is returned.

Remarks

 

ConstructCircularArc Construct Fillet Point Example

[C#] 
private void ConstructFilletPoint()
{
  IConstructCircularArc constructCircularArc = new CircularArcClass();
  ICircularArc circularArc = constructCircularArc as ICircularArc;
  
  IPoint fromPoint1 = new PointClass();
  fromPoint1.PutCoords(100, 100);
  IPoint toPoint1 = new PointClass();
  toPoint1.PutCoords(50, 50);
  ILine line1 = new LineClass();
  line1.PutCoords(fromPoint1, toPoint1);
  IPoint fromPoint2 = new PointClass();
  fromPoint2.PutCoords(100, 100);
  IPoint toPoint2 = new PointClass();
  toPoint2.PutCoords(150, 50);
  ILine line2 = new LineClass();
  line2.PutCoords(fromPoint2, toPoint2);
  IPoint hintPoint = new PointClass();
  hintPoint.PutCoords(100, 75);
  constructCircularArc.ConstructFilletPoint(line1 as ISegment, line2 as ISegment, line1.ToPoint, hintPoint);
   
  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 ConstructFilletPoint()
        Dim pConstructCircularArc As ESRI.ArcGIS.Geometry.IConstructCircularArc
        Dim pCArc As ESRI.ArcGIS.Geometry.ICircularArc
        Dim pToPoint As ESRI.ArcGIS.Geometry.IPoint
        Dim pFromPoint As ESRI.ArcGIS.Geometry.IPoint
        Dim pLine1 As ESRI.ArcGIS.Geometry.ILine
        Dim pLine2 As ESRI.ArcGIS.Geometry.ILine
        Dim pHintPoint As ESRI.ArcGIS.Geometry.IPoint

        pConstructCircularArc = New ESRI.ArcGIS.Geometry.CircularArc
        pCArc = pConstructCircularArc
        pFromPoint = New ESRI.ArcGIS.Geometry.Point
        pToPoint = New ESRI.ArcGIS.Geometry.Point
        pLine1 = New ESRI.ArcGIS.Geometry.Line
        pLine2 = New ESRI.ArcGIS.Geometry.Line
        pFromPoint.PutCoords(100, 100)
        pToPoint.PutCoords(50, 50)
        pLine1.PutCoords(pFromPoint, pToPoint)
        pFromPoint.PutCoords(100, 100)
        pToPoint.PutCoords(150, 50)
        pLine2.PutCoords(pFromPoint, pToPoint)
        pHintPoint = New ESRI.ArcGIS.Geometry.Point
        pHintPoint.PutCoords(100, 75)

        pConstructCircularArc.ConstructFilletPoint(pLine1, pLine2, pLine1.ToPoint, pHintPoint)

        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

See Also

IConstructCircularArc Interface | IConstructCircularArc.ConstructFilletPoint Method | IConstructCircularArc.ConstructFilletRadius Method | IConstructCircularArc.QueryFilletRadiusRange Method