TPointArray¶

Methods relating to point arrays.

TPointArray.CreateFromBox¶

function TPointArray.CreateFromBox(Box: TBox; Filled: Boolean): TPointArray; static;

TPointArray.CreateFromEllipse¶

function TPointArray.CreateFromEllipse(Center: TPoint; RadiusX, RadiusY: Integer; Filled: Boolean): TPointArray; static;

TPointArray.CreateFromCircle¶

function TPointArray.CreateFromCircle(Center: TPoint; Radius: Integer; Filled: Boolean): TPointArray; static;

TPointArray.CreateFromLine¶

function TPointArray.CreateFromLine(Start, Stop: TPoint): TPointArray; static;

TPointArray.CreateFromPolygon¶

function TPointArray.CreateFromPolygon(Poly: TPointArray; Filled: Boolean): TPointArray; static;

TPointArray.CreateFromSimplePolygon¶

function TPointArray.CreateFromSimplePolygon(Center: TPoint; Sides: Integer; Size: Integer; Filled: Boolean): TPointArray; static;

TPointArray.CreateFromAxes¶

function TPointArray.CreateFromAxes(X, Y: TIntegerArray): TPointArray; static;

TPointArray.Rows¶

function TPointArray.Rows: T2DPointArray;

TPointArray.Columns¶

function TPointArray.Columns: T2DPointArray;

TPointArray.Offset¶

function TPointArray.Offset(P: TPoint): TPointArray;

TPointArray.FloodFill¶

function TPointArray.FloodFill(const StartPoint: TPoint; const EightWay: Boolean): TPointArray;

TPointArray.Invert¶

function TPointArray.Invert(Bounds: TBox): TPointArray;

TPointArray.Invert¶

function TPointArray.Invert: TPointArray;

TPointArray.Bounds¶

function TPointArray.Bounds: TBox;

TPointArray.ReduceByDistance¶

function TPointArray.ReduceByDistance(Dist: Integer): TPointArray;

TPointArray.PointsNearby¶

function TPointArray.PointsNearby(Other: TPointArray; MinDist, MaxDist: Double): TPointArray;

TPointArray.PointsNearby¶

function TPointArray.PointsNearby(Other: TPointArray; MinDistX, MinDistY, MaxDistX, MaxDistY: Double): TPointArray;

TPointArray.IsPointNearby¶

function TPointArray.IsPointNearby(Other: TPoint; MinDist, MaxDist: Double): Boolean;

TPointArray.IsPointNearby¶

function TPointArray.IsPointNearby(Other: TPoint; MinDistX, MinDistY, MaxDistX, MaxDistY: Double): Boolean;

TPointArray.FurthestPoints¶

procedure TPointArray.FurthestPoints(out A, B: TPoint);

TPointArray.NearestPoint¶

function TPointArray.NearestPoint(Other: TPoint): TPoint;

TPointArray.Density¶

function TPointArray.Density: Double;

TPointArray.Connect¶

function TPointArray.Connect: TPointArray;

TPointArray.Extremes¶

function TPointArray.Extremes: TPointArray;

TPointArray.Rotate¶

function TPointArray.Rotate(Radians: Double; Center: TPoint): TPointArray;

TPointArray.RotateEx¶

function TPointArray.RotateEx(Radians: Double): TPointArray;

TPointArray.Sort¶

function TPointArray.Sort(Weights: TIntegerArray; LowToHigh: Boolean = True): TPointArray;

TPointArray.Sort¶

function TPointArray.Sort(Weights: TDoubleArray; LowToHigh: Boolean = True): TPointArray;

TPointArray.SortByX¶

function TPointArray.SortByX(LowToHigh: Boolean = True): TPointArray;

TPointArray.SortByY¶

function TPointArray.SortByY(LowToHigh: Boolean = True): TPointArray;

TPointArray.SortFrom¶

function TPointArray.SortFrom(From: TPoint): TPointArray;

TPointArray.SortByRow¶

function TPointArray.SortByRow(Reverse: Boolean = False): TPointArray;

TPointArray.SortByColumn¶

function TPointArray.SortByColumn(Reverse: Boolean = False): TPointArray;

TPointArray.ExcludePie¶

function TPointArray.ExcludePie(StartDegree, EndDegree, MinRadius, MaxRadius: Single; Center: TPoint): TPointArray;

Returns all points from Self are not inside the “pie slice” defined by StartDegree, EndDegree and MinRadius, MaxRadius and Center.

Note: Inverse of ExcludePie

TPointArray.ExcludeDist¶

function TPointArray.ExcludeDist(Center: TPoint; MinDist, MaxDist: Double): TPointArray;

Returns all points from Self that are not within MinDist and MaxDist from Center

Note: Inverse of ExtractDist

TPointArray.ExcludePoints¶

function TPointArray.ExcludePoints(Points: TPointArray): TPointArray;

Returns all points from Self that are not inside the Points array.

TPointArray.ExcludePolygon¶

function TPointArray.ExcludePolygon(Polygon: TPointArray): TPointArray;

Returns all points from Self that are not inside the polygon.

Note: Inverse of ExtractPolygon

TPointArray.ExcludeBox¶

function TPointArray.ExcludeBox(Box: TBox): TPointArray;

Returns all points from Self that not inside the box.

Note: Inverse of ExtractBox

TPointArray.ExcludeQuad¶

function TPointArray.ExcludeQuad(Quad: TQuad): TPointArray;

Returns all points from Self that not inside the quad.

Note: Inverse of ExtractQuad

TPointArray.ExtractDist¶

function TPointArray.ExtractDist(Center: TPoint; MinDist, MaxDist: Double): TPointArray;

Returns all points from Self that are within MinDist and MaxDist from Center

Note: Inverse of ExtractDist

TPointArray.ExtractPolygon¶

function TPointArray.ExtractPolygon(Polygon: TPointArray): TPointArray;

Returns all points from Self that are inside the polygon.

TPointArray.ExtractBox¶

function TPointArray.ExtractBox(Box: TBox): TPointArray;

Returns all points from Self that are inside the box.

TPointArray.ExtractQuad¶

function TPointArray.ExtractQuad(Quad: TQuad): TPointArray;

Returns all points from Self that are inside the quad.

TPointArray.ExtractPie¶

function TPointArray.ExtractPie(StartDegree, EndDegree, MinRadius, MaxRadius: Single; Center: TPoint): TPointArray;

Returns all points from Self are inside the “pie slice” defined by StartDegree, EndDegree and MinRadius, MaxRadius and Center.

TPointArray.Skeleton¶

function TPointArray.Skeleton(FMin: Integer = 2; FMax: Integer = 6): TPointArray;

TPointArray.Border¶

function TPointArray.Border: TPointArray;

TPointArray.Edges¶

function TPointArray.Edges: TPointArray;

TPointArray.ConvexHull¶

function TPointArray.ConvexHull: TPointArray;

TPointArray.ShapeFill¶

function TPointArray.ShapeFill: TPointArray;

TPointArray.Split¶

function TPointArray.Split(Dist: Integer): T2DPointArray;

TPointArray.Split¶

function TPointArray.Split(DistX, DistY: Integer): T2DPointArray;

TPointArray.Cluster¶

function TPointArray.Cluster(Dist: Integer): T2DPointArray;

TPointArray.Cluster¶

function TPointArray.Cluster(DistX, DistY: Integer): T2DPointArray;

TPointArray.MinAreaRect¶

function TPointArray.MinAreaRect: TQuad;

TPointArray.MinAreaCircle¶

function TPointArray.MinAreaCircle: TCircle;

TPointArray.Erode¶

function TPointArray.Erode(Iterations: Integer): TPointArray;

TPointArray.Grow¶

function TPointArray.Grow(Iterations: Integer): TPointArray;

TPointArray.Partition¶

function TPointArray.Partition(Dist: Integer): T2DPointArray;

TPointArray.Partition¶

function TPointArray.Partition(Width, Height: Integer): T2DPointArray;

TPointArray.PartitionEx¶

function TPointArray.PartitionEx(BoxWidth, BoxHeight: Integer): T2DPointArray;

TPointArray.PartitionEx¶

function TPointArray.PartitionEx(BoxWidth, BoxHeight: Integer): T2DPointArray;

PartitionEx with StartPoint.

TPointArray.SortCircular¶

function TPointArray.SortCircular(Center: TPoint; StartDegrees: Integer; Clockwise: Boolean): TPointArray;

TPointArray.DistanceTransform¶

function TPointArray.DistanceTransform: TSingleMatrix;

TPointArray.DistanceTransform¶

function TPointArray.DistanceTransform: TSingleMatrix;

TPointArray.Circularity¶

function TPointArray.Circularity: Double;

TPointArray.DouglasPeucker¶

function TPointArray.DouglasPeucker(epsilon: Double): TPointArray;

TPointArray.ConcaveHull¶

function TPointArray.ConcaveHull(Epsilon:Double=2.5; kCount:Int32=5): TPointArray;

TPointArray.ConcaveHullEx¶

function TPointArray.ConcaveHullEx(MaxLeap: Double=-1; Epsilon:Double=2): T2DPointArray;

TPointArray.ConvexityDefects¶

function TPointArray.ConvexityDefects(Epsilon: Single; Mode: EConvexityDefects = EConvexityDefects.NONE): TPointArray;

Finds the defects in relation to a convex hull of the given concave hull.

EConvexityDefects.All -> Keeps all convex points as well.
EConvexityDefects.Minimal -> Keeps the convex points that was linked to a defect
EConvexityDefects.None -> Only defects