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Region Features

Select a function from the list below.

Icon Name Description / Applications Modules
RegionArea

Computes the number of pixels contained in a region.

FoundationLite
RegionBoundingBox

Computes the smallest box containing a region.

FoundationLite
RegionBoundingBox_OrNil

Computes the smallest box containing a region; returns NIL if the region is empty.

FoundationLite
RegionBoundingCircle

Computes the smallest circle enclosing a region.

FoundationBasic
RegionBoundingCircle_OrNil

Computes the smallest circle enclosing a region; returns NIL if the region is empty.

FoundationBasic
RegionBoundingEllipse

Computes the smallest ellipse enclosing a region.

FoundationBasic
RegionBoundingEllipse_OrNil

Computes the smallest ellipse enclosing a region; returns NIL if the region is empty.

FoundationBasic
RegionBoundingParallelogram

Computes the smallest parallelogram containing a region.

FoundationPro
RegionBoundingRectangle

Computes the smallest rectangle containing a region.

FoundationBasic
RegionBoundingRectangle_FixedAngle

Computes the smallest rectangle with the given orientation angle containing a region.

FoundationBasic
RegionBoundingRectangle_FixedAngle_OrNil

Computes the smallest rectangle with the given orientation angle containing a region; returns NIL if the region is empty.

FoundationBasic
RegionBoundingRectangle_OrNil

Computes the smallest rectangle containing a region; returns NIL if the region is empty.

FoundationBasic
RegionCaliperDiameter

Computes the longest and the shortest width of the input region measured as distance between parallel lines containing the whole region.

FoundationBasic
RegionCircularity

Computes the area of a region divided by the area of a circular region having the same feature.

FoundationBasic
RegionComplexity

Calculates how much the input region's perimeter is bigger than the perimeter of a circle of the same area.

FoundationBasic
RegionContours

Computes an array of closed paths corresponding to the contours of the input region.

FoundationBasic
RegionConvexity

Computes the area of a region divided by area of its convex hull.

FoundationBasic
RegionDiameter

Computes the longest segment connecting two pixels contained in region and its length.

FoundationBasic
RegionDirectionalDispersion

Directional standard deviation of the distance of the region's points to the center.

FoundationBasic
RegionDispersion

Calculates how much more the input region's points are dispersed comparing to the points of a circle of the same area.

FoundationBasic
RegionEllipticAxes

Computes axes of an ellipse having the same first and second order moments as the given region.

FoundationBasic
RegionElongation

Computes the elongation factor of a region ( perfect circle has minimal elongation equal 1.0 ).

FoundationBasic
RegionFeatureValue

Computes the feature value of the input region.

FoundationBasic
RegionHoles

Creates regions of the holes of the input region.

FoundationBasic
RegionHoles_Elastic

Fills a ridges region with convex basins.

FoundationBasic
RegionInscribedBox

Computes the largest box contained in a region.

FoundationBasic
RegionInscribedCircle

Computes the largest circle contained in a region.

FoundationBasic
RegionMassCenter

Computes a point with coordinates equal to the average coordinates of the region's pixels.

FoundationLite
RegionMassCenter_OrNil

Computes a point with coordinates equal to the average coordinates of the region's pixels; returns NIL if the region is empty.

FoundationLite
RegionMedialAxis

Computes an array of paths corresponding to the skeleton of the input region.

FoundationBasic
RegionMoment

Computes selected second-order moment of a region in regular and normalized ( divided by region area ) variant.

FoundationBasic
RegionNumberOfHoles

Computes the number of holes in a region.

FoundationBasic
RegionOrientation

Computes the orientation of a region as an angle of value in a proper range.

FoundationBasic
RegionPerimeterLength

Computes the length of the input region perimeter.

FoundationBasic
RegionPointRunLengths

Returns the lengths of horizontal sequences of locations that constitute the input region.

FoundationBasic
RegionProjection

Computes the profile of the region pixel count in consecutive rows or columns.

FoundationBasic
RegionRectangularity

Computes the area of a region divided by the area of its bounding rectangle.

FoundationBasic
RegionsFeatureValues

Computes the feature values of the input regions.

FoundationBasic
RegionSkewness

Directional standard deviation of the distance of the region's points to the center.

FoundationBasic
RegionThickness

Diameter of the biggest inscribed circle.

FoundationBasic