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RegionNumberOfHoles
Header: | AVL.h |
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Namespace: | avl |
Module: | FoundationBasic |
Computes the number of holes in a region.
Syntax
C++
C#
void avl::RegionNumberOfHoles ( const avl::Region& inRegion, avl::RegionConnectivity::Type inConnectivity, int inMinHoleArea, atl::Optional<int> inMaxHoleArea, int& outNumberOfHoles )
Parameters
Name | Type | Range | Default | Description | |
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inRegion | const Region& | Input region | ||
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inConnectivity | RegionConnectivity::Type | Region connectivity semantics | ||
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inMinHoleArea | int | 0 - ![]() |
1 | Minimal area of a hole |
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inMaxHoleArea | Optional<int> | 0 - ![]() |
NIL | Maximal area of a hole |
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outNumberOfHoles | int& |
Description
The operation computes the number of region holes. Holes of a region are those connected areas of pixels not belonging to the region, that do not touch the boundary of the region frame.
Examples
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The number of holes in the sample (left) region equals to 3. The holes are presented on the right image.
See Also
- FillRegionHoles – Adds pixels to the input region so that it contains no holes.