Class Polygon

Polygon class type for handling polygons made up of 2 or more points, a property defines in polygon is closed or open

Inheritance
object
Collection<IPolygonSegment>
Polygon
Implements
Inherited Members
Namespace: FpAssistantCore.General
Assembly: FpAssistantCoreScl.dll
Syntax
public class Polygon : Collection<IPolygonSegment>, IList<IPolygonSegment>, ICollection<IPolygonSegment>, IReadOnlyList<IPolygonSegment>, IReadOnlyCollection<IPolygonSegment>, IEnumerable<IPolygonSegment>, IList, ICollection, IEnumerable

Constructors

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Polygon()

Construct

Declaration
public Polygon()
Remarks

Polygon will be open, first and last points not connected

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Polygon(Point3d[], bool)

Construct a polygon from an array of Point3d[]'s

Declaration
public Polygon(Point3d[] points, bool closed = true)
Parameters
Type Name Description
Point3d[] points

Array of Poind3d
bool closed

Is a closed polygon
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Polygon(bool)

Construct with a bool declared if polygon will be closed or not

Declaration
public Polygon(bool closed)
Parameters
Type Name Description
bool closed

Methods

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AddArc(Point3d, Point3d, PolygonArcSegmentDirections)

Add a Arc segment to the polygon using the parameters passed

Declaration
public void AddArc(Point3d centre, Point3d start, PolygonArcSegmentDirections polygonArcSegmentDirection = PolygonArcSegmentDirections.CounterClockwise)
Parameters
Type Name Description
Point3d centre

Centre point of arc
Point3d start

Start point on circumference of arc
PolygonArcSegmentDirections polygonArcSegmentDirection

Direction in which the draw the arc, default: CCW
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AddLine(Point3d)

Add a Line segment to the polygon using the coordinates in the parameter

Declaration
public void AddLine(Point3d start)
Parameters
Type Name Description
Point3d start

Projection or Zone name of the cartesian grid coordinates
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AsGeoMapElementCollection(string)

Transforms polygon into a collection of GeoMapElements

Declaration
public GeoMapElementCollection AsGeoMapElementCollection(string projectionOfCartesianCoordinates)
Parameters
Type Name Description
string projectionOfCartesianCoordinates

Projection or Zone name of the cartesian grid coordinates
Returns
Type Description
GeoMapElementCollection
Exceptions
Type Condition
Exception

Unknown polygon segment type
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ConstructPolygonBoundary(List<Point3d>, List<Circle>)

Constructs a boundary polygon that fits to the extents of the point geometry. The resulted polygon will be convex and enclose all given points and circles.

Declaration
public static Polygon ConstructPolygonBoundary(List<Point3d> points, List<Circle> circles)
Parameters
Type Name Description
List<Point3d> points

Discrete vertices, must be 2D
List<Circle> circles

discrete circles, must be 2D
Returns
Type Description
Polygon
Exceptions
Type Condition
Exception

Invalid input in ConstructPolygonBoundary()

Implements