SideBuffer(Polyline,Double,LeftOrRightSide,LineCapType) Method

In This Topic

Constructs a buffer on one side of a polyline

Syntax

C#
Visual Basic (Declaration)

Geometry SideBuffer( 
   Polyline polyline,
   double distance,
   LeftOrRightSide side,
   LineCapType capType
)

Overloads Function SideBuffer( _
   ByVal polyline As Polyline, _
   ByVal distance As Double, _
   ByVal side As LeftOrRightSide, _
   ByVal capType As LineCapType _
) As Geometry

Parameters

polyline: The polyline to buffer
distance: The buffer distance
side: The side of the polyline to create the buffer
capType: The line cap type

Return Value

Geometry representing the side buffer. If the input polyline is empty, then an empty polygon is returned.

Exceptions

Exception	Description
System.ArgumentNullException	Geometry is null.
System.ArgumentException	The buffer distance must be a valid floating point number.
System.ArgumentException	The method is not implemented for LineCapType.Square.

Example

SideBuffer

// right side, round caps
SpatialReference sr = SpatialReferenceBuilder.CreateSpatialReference(102010);
List<Coordinate2D> coords = new List<Coordinate2D>()
{
  new Coordinate2D(1200, 5800),
  new Coordinate2D(1400, 5800),
  new Coordinate2D(1400, 6000),
  new Coordinate2D(1300, 6000),
  new Coordinate2D(1300, 5700)
};

Polyline polyline = PolylineBuilderEx.CreatePolyline(coords, sr);
Polygon output = GeometryEngine.Instance.SideBuffer(polyline, 20, LeftOrRightSide.RightSide, LineCapType.Round) as Polygon;

Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.

Reference

IGeometryEngine Interface
IGeometryEngine Members
Overload List

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