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Path
Path Basics |
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Icon | Name | Description / Applications | Modules | |
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AppendPointToPath | Appends a point to a path. |
FoundationLite | ||
ClosePath | Adds the segment connecting the last point with the first one in a path. |
FoundationLite | ||
CreateArcPath | Creates an open path containing cocircular, equidistant points. |
FoundationLite | ||
CreateCirclePath | Creates a closed path containing cocircular, equidistant points. |
FoundationLite | ||
CreateEllipsePath | Creates a closed path containing elliptical, equidistant points. |
FoundationLite | ||
CreateRectanglePath | Creates a closed path containing four vertices of rectangle. |
FoundationLite | ||
CreateSegmentPath | Creates an open path containing collinear, equidistant points. |
FoundationLite | ||
GetPathCharacteristicPoint | Returns the selected characteristic point of a path. |
FoundationLite | ||
GetPathCharacteristicPoint_Interpolated | Returns linear interpolation between two consecutive characteristic points of a path. |
FoundationLite | ||
GetPathSegment | Returns the selected segment of a path. |
FoundationLite | ||
GetPointOnPath | Returns a path point of desired distance (measured along path) from the first point of the path. |
FoundationLite | ||
InsertToPath | Inserts a new point to a path at a specified location. |
FoundationLite | ||
OpenPath | Removes the segment connecting the last point with the first one in a path. |
FoundationLite | ||
RemovePointFromPath | Removes a point from a path. |
FoundationLite | ||
SetPathCharacteristicPoint | Modifies the value of a selected characteristic point. |
FoundationLite | ||
SkipEmptyPath | If the input path has at least one point, then it is copied to the output; otherwise Nil is returned. Secures against domain errors caused by empty paths, e.g. just before the PathBoundingBox filter is to be invoked. |
FoundationLite | ||
SkipNotPolygon | If the input path is closed and has no self-intersections, then it is copied to the output; otherwise Nil is returned. |
FoundationLite | ||
Subpath | Creates an open path from a continuous subsequence of the input path's points. |
FoundationLite | ||
Path Classification |
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Icon | Name | Description / Applications | Modules | |
ClassifyPaths | Splits the paths of the input array - in accordance to the relation between computed feature values and the specified range. Use this filter when you have an array of paths and you want to select some of them for further processing. |
FoundationBasic | ||
GetMaximumPath | Returns the path from the input array that corresponds to the largest computed feature value. Use this filter when you have an array of paths and you want to select one of them that best matches some criterion. |
FoundationBasic | ||
GetMaximumPath_OrNil | Returns the path from the input array that corresponds to the largest computed feature value; returns NIL if the array or any path inside it is empty. Use this filter when you have an array of paths and you want to select one of them that best matches some criterion. |
FoundationBasic | ||
GetMinimumPath | Returns the path from the input array that corresponds to the smallest computed feature value. Use this filter when you have an array of paths and you want to select one of them that best matches some criterion. |
FoundationBasic | ||
GetMinimumPath_OrNil | Returns the path from the input array that corresponds to the smallest computed feature value; returns NIL if the array or any path inside it is empty. Use this filter when you have an array of paths and you want to select one of them that best matches some criterion. |
FoundationBasic | ||
MakePathConditional | Computes a path feature, checks whether its value is in range and creates a conditional path on this basis. |
FoundationBasic | ||
SelectClosedPaths | Selects paths which are closed. |
FoundationBasic | ||
SelectInnerPaths | Selects paths which are visible from a point. |
FoundationPro | ||
SelectOpenPaths | Selects paths which are open. |
FoundationBasic | ||
SelectOuterPaths | Selects paths which do not obstruct visibility of other paths from a point. |
FoundationPro | ||
SortPaths | Changes the order of paths from the input array according to an ascending/descending sequence of their computed feature values. |
FoundationBasic | ||
Path Combinators |
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Icon | Name | Description / Applications | Modules | |
AveragePath | Computes the average of two paths (of equal size and type) point by point. |
FoundationLite | ||
ConcatenatePaths | Joins up to four open paths. |
FoundationLite | ||
ConcatenatePaths_OfArray | Joins open paths of an array. |
FoundationLite | ||
ConcatenatePaths_OfLoop | Joins open paths appearing in consecutive iterations. |
FoundationLite | ||
JoinAdjacentPaths | Joins those paths of an array which endpoints lie near enough. |
FoundationPro | ||
PathLineIntersections | Computes the common points of a path and a line. |
FoundationPro | ||
PathPathIntersections | Computes the common points of two paths. |
FoundationPro | ||
PathSegmentIntersections | Computes the common points of a path and a segment. |
FoundationPro | ||
SplitPathByLine | Splits path in common points of a path and a line. |
FoundationBasic | ||
SplitPathByPath | Splits path in common points of two paths. |
FoundationPro | ||
SplitPathBySegment | Splits path in common points of a path and a segment. |
FoundationBasic | ||
Path Features |
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Icon | Name | Description / Applications | Modules | |
PathArrayPoints | Converts an array of paths to an array of points. |
FoundationLite | ||
PathAverageTurnAngle | Computes the average absolute turn angle of a path per unit of length. |
FoundationPro | ||
PathBoundingBox | Computes the smallest box containing a path. |
FoundationLite | ||
PathBoundingBox_OrNil | Computes the smallest box containing a path; returns NIL if the path is empty. |
FoundationLite | ||
PathBoundingCircle | Computes the smallest circle enclosing a path. |
FoundationBasic | ||
PathBoundingCircle_OrNil | Computes the smallest circle enclosing a path; returns NIL if the path is empty. |
FoundationBasic | ||
PathBoundingParallelogram | Computes the smallest parallelogram containing a path. |
FoundationPro | ||
PathBoundingRectangle | Computes the smallest rectangle containing a path. |
FoundationBasic | ||
PathBoundingRectangle_FixedAngle | Computes the smallest rectangle with the given orientation angle containing a path. |
FoundationBasic | ||
PathBoundingRectangle_FixedAngle_OrNil | Computes the smallest rectangle with the given orientation angle containing a path; returns NIL when the path is empty. |
FoundationBasic | ||
PathBoundingRectangle_OrNil | Computes the smallest rectangle containing a path; returns NIL when the path is empty. |
FoundationBasic | ||
PathCaliperDiameter | Computes the longest and the shortest width of the input path measured as distance between parallel lines containing the whole path. |
FoundationBasic | ||
PathConvexHull | Computes the smallest convex shape that contains the given path. |
FoundationBasic | ||
PathDiameter | Finds the longest segment connecting two characteristic points of a path. |
FoundationLite | ||
PathEndpoints | Returns the two endpoints of a path. |
FoundationLite | ||
PathLength | Computes the total length of the input path. |
FoundationLite | ||
PathMassCenter | Computes the average of the path points (all, not only characteristic ones). |
FoundationLite | ||
PathMassCenter_OrNil | Computes the average of the path points (all, not only characteristic ones); returns NIL if the path is empty. |
FoundationLite | ||
PathSegments | Converts a path to an array of line segments. |
FoundationLite | ||
PathSelfIntersections | Checks if a path has any self-intersections and computes all of them. |
FoundationPro | ||
PathSize | Returns the number of characteristic points on the input path. |
FoundationLite | ||
PathTurnAngleLocalMaxima | Finds the local maxima of the profile of turn angles of a path. Detection of feature points related to object corners. |
FoundationPro | ||
PathTurnAngleMaximum | Finds the maximum of the profile of turn angles of a path. |
FoundationPro | ||
PathTurnAngleMaximum_OrNil | Finds the maximum of the profile of turn angles of a path; returns NIL if the path has no turn angles. |
FoundationPro | ||
PathTurnAngleProfile | Computes the profile of turn angles at characteristic points of a path. |
FoundationPro | ||
Path Global Transforms |
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Icon | Name | Description / Applications | Modules | |
ConvertToEquidistantPath | Creates a new path whose characteristic points lie on the input path, but are equally spaced. |
FoundationBasic | ||
CreateBicircularCurve | Creates a bicircular curve passing through the points of the leading path. This is a fast algorithm that approximates Bezier's splines for dense paths. |
FoundationBasic | ||
DilatePolygon | Enlarges a polygon by a given radius. |
FoundationBasic | ||
ErodePolygon | Shrinks a polygon by a given radius. |
FoundationBasic | ||
ExtendPath | Resizes the first or the last segment of a path. |
FoundationBasic | ||
FindLongestSubpath | Creates a new path from the longest sequence of segments of the input path that turn gently. Can be used for removing noise. |
FoundationPro | ||
ReducePath | Reduces the number of points in a path preserving its shape with the specified precision. |
FoundationBasic | ||
RemovePathSelfIntersections | Removes all self-intersections from a given path. |
FoundationPro | ||
SegmentPath | Splits a path into parts that can be approximated as segments or arcs. Usually used to recognize a particular structure of an object contour or to guide a CNC machine. |
FoundationPro | ||
StretchPath | Moves, rotates and scales the path so that its end-points end up at the given two points. |
FoundationPro | ||
Path Local Transforms |
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Icon | Name | Description / Applications | Modules | |
SmoothPath_Gauss | Smooths a path by averaging its characteristic points within a kernel using gaussian-weighted average. |
FoundationPro | ||
SmoothPath_Mean | Smooths a path by averaging its characteristic points within a kernel. |
FoundationPro | ||
Path Metrics |
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Icon | Name | Description / Applications | Modules | |
PathEditDistance | Computes the edit distance between the input paths. |
FoundationPro | ||
PathToLineDistance | Computes the smallest distance between a path and a line. |
FoundationBasic | ||
PathToLineDistanceProfile | Computes the profile of distances between a line and the characteristic points of a path. |
FoundationBasic | ||
PathToPathDistance | Computes the minimum distance between two paths. |
FoundationPro | ||
PathToPathDistanceProfile | Computes the profile of distances between two paths. |
FoundationPro | ||
PathToPathMaximumDistance | Computes the distance between the farthest point of the input path from the other path. |
FoundationPro | ||
PathToPointDistance | Computes the smallest distance between a path and a point. |
FoundationBasic | ||
PathToPointDistanceProfile | Computes the profile of distances between the specified point and the characteristic points of a path. |
FoundationBasic | ||
Path Spatial Transforms |
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Icon | Name | Description / Applications | Modules | |
AlignPath | Moves a path from a local coordinate system to the absolute one. Required when there is a path defined in a local coordinate system, but the next image-related filter in the program does not have any inAlignment input. |
FoundationLite | ||
AlignPathArray | Moves an array of paths from a local coordinate system to the absolute one. Required when there are paths defined in a local coordinate system, but the next image-related filter in the program does not have any inAlignment input. |
FoundationLite | ||
FitPathToPath | Rotates and shifts a path to minimize average distance between its points and a reference path. |
FoundationPro | ||
InflatePath | Enlarges a path by a given margin (points in the input path must be sorted clockwise). |
FoundationPro | ||
PathAlongArc | Transforms a path to a coordinate system in which the 'axis' arc is vertical or horizontal. Usually used to revert an ImageAlongArc transformation. |
FoundationBasic | ||
PathAlongPath | Transforms a path to a coordinate system in which the 'axis' path is vertical or horizontal. Usually used to revert an ImageAlongPath transformation. |
FoundationPro | ||
PathProjectionProfile | Computes the distance from the line to the path. |
FoundationPro | ||
RescalePath | Translates each point of a path proportionally to its distance to a reference point. |
FoundationLite | ||
RescalePathArray | Translates each point of each path proportionally to its distance to a reference point. |
FoundationLite | ||
ReversePath | Reverses the order of points in a path. |
FoundationLite | ||
RotatePath | Rotates a path clockwise around a center point. |
FoundationLite | ||
RotatePathArray | Rotates an array of paths clockwise around a center point. |
FoundationLite | ||
ShiftPath | Moves every vertex of path along bisector of the angle between incident segments. |
FoundationBasic | ||
TranslatePath | Translates a path by a vector. |
FoundationLite | ||
TranslatePathArray | Translates an array of paths by a vector. |
FoundationLite | ||
TransposePath | Flips and rotates a path so that x-coordinates are exchanged with y-coordinates. |
FoundationLite | ||
Polygon Features |
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Icon | Name | Description / Applications | Modules | |
PolygonArea | Computes the area of polygon. |
FoundationBasic | ||
PolygonCircularity | Computes the area of a polygon divided by the area of a circle having the same feature. |
FoundationBasic | ||
PolygonConvexity | Computes the area of a polygon divided by the area of its convex hull. |
FoundationBasic | ||
PolygonEllipticAxes | Computes axes of an ellipse having the same first and second order moments as the given polygon. |
FoundationBasic | ||
PolygonElongation | Computes the elongation factor of a polygon (perfect circle has minimal elongation equal 1.0). |
FoundationBasic | ||
PolygonInscribedCircle | Computes the circle with the maximal possible area contained in the input polygon. |
FoundationBasic | ||
PolygonMassCenter | Computes the mass center of polygon. |
FoundationBasic | ||
PolygonMoment | Computes the selected second-order moment of a polygon in regular and normalized ( divided by polygon area ) variant. |
FoundationBasic | ||
PolygonOrientation | Computes the polygon orientation as angle with value in range 0.0 - 180.0. |
FoundationBasic | ||
PolygonRectangularity | Computes the area of a polygon divided by the area of its bounding rectangle. |
FoundationBasic | ||
PolygonWithNormalizedOrientation | Returns the same polygon but with orientation corresponding to the axes. |
FoundationBasic | ||
Polygon Relations |
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Icon | Name | Description / Applications | Modules | |
PolygonIntersectionArea_Convex | Computes the intersection area of two convex non-intersecting polygons. |
FoundationBasic | ||
PolygonIntersection_Convex | Finds the intersection of two convex non-intersecting polygons. |
FoundationBasic | ||
TestPointArrayInPolygon | Tests which points lie inside a polygon. |
FoundationBasic | ||
TestPointInPolygon | Tests whether a point lies inside a polygon. |
FoundationLite | ||
TestPolygonConvex | Tests whether a polygon is convex. |
FoundationBasic | ||
TestPolygonInPolygon | Tests whether a polygon lies inside another one. |
FoundationBasic |