TPointArray¶
Methods relating to point arrays.¶
TPointArray.Difference¶
function TPointArray.Difference(Other: TPointArray): TPointArray;
TPointArray.SymmetricDifference¶
function TPointArray.SymmetricDifference(Other: TPointArray): TPointArray;
TPointArray.Intersection¶
function TPointArray.Intersection(Other: TPointArray): TPointArray;
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.Equals¶
function TPointArray.Equals(Other: TPointArray): Boolean;
TPointArray.Offset¶
function TPointArray.Offset(P: TPoint): TPointArray;
TPointArray.Offset¶
function TPointArray.Offset(X, Y: Integer): 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.Mean¶
function TPointArray.Mean: TPoint;
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.Unique¶
function TPointArray.Unique: TPointArray; override;
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.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