Region
Region Basics |
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| Icon | Name | Description / Applications | |
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CreateBoxBorderRegion | Creates a frame-shaped region with given parameters. |
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CreateBoxRegion | Creates a rectangular region corresponding to a given box. |
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CreateCircleRegion | Creates a circular region corresponding to a given circle. |
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CreateCrossRegion | Creates a cross-shaped region with given parameters. |
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CreateEllipseRegion | Creates an elliptic region of given bounding rectangle. |
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CreateGridRegion | Creates a grid-shaped region with given parameters. |
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CreateLineRegion | Creates a line region. |
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CreatePathBorderRegion | Creates a region along a given path. The region may be internal or external to the path. |
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CreatePathRegion | Creates a region along the given path. |
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CreatePolygonRegion | Creates a polygonal region corresponding to a given closed path. |
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CreateRectangleBorderRegion | Creates a frame-shaped region with given parameters. |
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CreateRectangleRegion | Creates a region corresponding to a given rectangle. |
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CreateRingRegion | Creates a ring-shaped region with given parameters. |
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CreateSegmentRegion | Creates a segment region. |
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EmptyRegion | Creates an empty region with a given frame. |
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GetRegionFrame | Returns the width and height of the entire region's frame (not to be confused with RegionBoundingBox!). |
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LocationsToRegion | Forms a region containing pixels of given locations. |
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RegionCharacteristicPoint | Returns a characteristic point of the input's region bounding box. |
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RegionToLocations | Converts a region to an array of its pixel locations. It may be considered explicit region decompression. |
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SetRegionFrame | Changes the width and the height of a region's frame (but does not rescale the content). |
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SkipEmptyRegion | If the input region contains at least one pixel, then it is copied to the output; otherwise Nil is returned. Secures against domain errors caused by empty regions, e.g. just before the RegionMassCenter filter is to be invoked. |
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TestRegionEmpty | Tests whether the size of a region equals zero. |
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TestRegionNotEmpty | Tests whether the size of a region doesn't equal zero. |
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TestRegionOnBorder | Tests whether a region is adjacent to its border. |
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VerifyRegion | Checks if the point-runs of the input region are correctly arranged (sorted, not overlapping etc.). You only need to use this tool if you create regions from point-runs manually. |
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Region Combinators |
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| Icon | Name | Description / Applications | |
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RegionDifference | Computes a region containing pixels from the first input region but not from the second input region. |
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RegionIntersection | Computes the common part of two regions. |
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RegionIntersection_OfArray | Computes the common part of an array of regions. |
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RegionIntersection_OfLoop | Computes the common part of regions appearing in consecutive iterations. |
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RegionSymmetricDifference | Computes a region containing pixels from first or second input region, but not from both. |
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RegionSymmetricDifference_OfArray | Computes a region containing pixels belonging to an odd number of array regions. |
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RegionUnion | Computes a region containing pixels from both input regions. |
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RegionUnion_OfArray | Computes a region containing all the pixels that any of the input regions contains. |
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RegionUnion_OfLoop | Computes the union of regions appearing in consecutive iterations. |
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Region Features |
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| Icon | Name | Description / Applications | |
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RegionArea | Computes the number of pixels contained in a region. |
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RegionBoundingBox | Computes the smallest box containing a region. |
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RegionBoundingBox_OrNil | Computes the smallest box containing a region; returns NIL if the region is empty. |
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RegionMassCenter | Computes a point with coordinates equal to the average coordinates of the region's pixels. |
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RegionMassCenter_OrNil | Computes a point with coordinates equal to the average coordinates of the region's pixels; returns NIL if the region is empty. |
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Region IO |
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| Icon | Name | Description / Applications | |
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LoadRegion | Loads a region from an AVDATA file. |
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SaveRegion | Saves a serialized region object to an AVDATA file. |
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Region Point Transforms |
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| Icon | Name | Description / Applications | |
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RegionComplement | Computes a region of pixels not contained in the input region. |
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Region Relations |
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| Icon | Name | Description / Applications | |
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TestPointInRegion | Tests whether a point lies inside a region. |
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Region Spatial Transforms |
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| Icon | Name | Description / Applications | |
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CropRegion | Creates a region from a rectangular fragment of another one. Can be used to obtain a part of a bigger region, but also to enforce specific region frame. |
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TranslateRegion | Translates a region by a given number of pixels along each axis. |
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UncropRegion | Inverse of CropRegion. |
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