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	You are here: Start » Filter Reference » Camera Calibration » AnnotateGridPoints
Select a subset of the given points that forms a grid and assign world plane coordinates to them.
| Name | Type | Range | Description | |
|---|---|---|---|---|
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				inPoints | Point2DArray | Points to calculate a grid | |
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				inScale | Real | 0.001 - ![]()  | 
				Distance between two rows or two columns of the grid in world units | 
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				inMinDistance | Real* | 0.0 - ![]()  | 
				Minimum distance between two rows or two columns in pixels | 
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				inMaxDistance | Real | 0.0 - ![]()  | 
				Maximum distance between two rows or two columns in pixels | 
![]()  | 
				inAngleTolerance | Real | 0.0 - 90.0 | Maximum deviation from right angles in the grid | 
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				outWorldPlanePoints | Point2DArray | Calculated points in the world units | |
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				outSelectedImagePoints | Point2DArray | Which points were selected to calculate the grid | |
![]()  | 
				diagValidSubgraph | Segment2DArray | Graph forming a valid grid | |
Applications
Recognition of a custom regular grid for the purpose of camera calibration.
Complexity Level
This filter is available on Advanced Complexity Level.




