You are here: Start » AVL.NET » Function Reference » Computer Vision » Shape Fitting 3D » AVL.FitCircleToEdges3D_Direct
Namespace: | AvlNet |
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Assembly: | AVL.NET.dll |
Syntax
C++
C#
public static void FitCircleToEdges3D_Direct ( AvlNet.Surface inSurface, AvlNet.CircleFittingField inFittingField, AvlNet.CoordinateSystem2D? inFittingFieldAlignment, int inScanCount, float? inSamplingStep, int inScanWidth, AvlNet.InterpolationMethod inSurfaceInterpolation, AvlNet.EdgeScanParams3D inEdgeScanParams, AvlNet.Selection inEdgeSelection, AvlNet.LocalBlindness? inLocalBlindness, int? inMaxProfileGapWidth, float inMaxIncompleteness, AvlNet.CircleFittingMethod inFittingMethod, AvlNet.MEstimator? inOutlierSuppression, INullable<AvlNet.Circle3D> outCircle, NullableRef<List<AvlNet.SurfaceEdge1D?>> outEdges, NullableRef<NullableRef<AvlNet.Profile>> outDeviationProfile, NullableValue<AvlNet.CircleFittingField> outAlignedFittingField, NullableRef<List<AvlNet.Point3D>> outInliers, NullableRef<SafeList<AvlNet.Profile>> outHeightProfiles, NullableRef<SafeList<AvlNet.Profile>> outResponseProfiles, IList<AvlNet.Segment2D> diagScanSegments, IList<AvlNet.Rectangle2D> diagSamplingAreas )
Parameters
Name | Type | Range | Default | Description | |
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inSurface | AvlNet.Surface | Surface to fit the circle to | |||
inFittingField | AvlNet.CircleFittingField | Circle fitting field | |||
inFittingFieldAlignment | AvlNet.CoordinateSystem2D? | Adjusts the fitting field to the position of the inspected object | |||
inScanCount | int | <3, INF> | 10 | The number of points that will be searched to estimate the position of the circle | |
inSamplingStep | float? | <0.0f, INF> | Desired distance between consecutive sampling points on the scan segments; if Nil, the bigger of surface X and Y scales is chosen | ||
inScanWidth | int | <1, INF> | 5 | The width of each scan field (in pixels) | |
inSurfaceInterpolation | AvlNet.InterpolationMethod | Bilinear | Interpolation method used for extraction of surface points | ||
inEdgeScanParams | AvlNet.EdgeScanParams3D | EdgeScanParams3D ( ProfileInterpolation: Quadratic4 SmoothingStdDev: 1.0f MinMagnitude: 5.0f EdgeTransition: LowToHigh ) | Parameters controlling the edge extraction process | ||
inEdgeSelection | AvlNet.Selection | Selection mode of edges | |||
inLocalBlindness | AvlNet.LocalBlindness? | Defines conditions in which weaker edges can be detected in the vicinity of stronger edges | |||
inMaxProfileGapWidth | int? | <0, INF> | 1 | Maximal number of consecutive not existing profile points | |
inMaxIncompleteness | float | <0.0f, 0.999f> | 0.1f | Maximal fraction of edge points not found | |
inFittingMethod | AvlNet.CircleFittingMethod | AlgebraicTaubin | Method used to fit a circle | ||
inOutlierSuppression | AvlNet.MEstimator? | Selects a method for ignoring incorrectly detected points | |||
outCircle | AvlNet.INullable<AvlNet.Circle3D> | Fitted circle or nothing if the fitting fails | |||
outEdges | AvlNet.NullableRef<System.Collections.Generic.List<AvlNet.SurfaceEdge1D?>> | Found edges | |||
outDeviationProfile | AvlNet.NullableRef<AvlNet.NullableRef<AvlNet.Profile>> | Profile of distances between the actual circle points and the corresponding reference circle points | |||
outAlignedFittingField | AvlNet.NullableValue<AvlNet.CircleFittingField> | Fitting field used; in the image coordinate system | |||
outInliers | AvlNet.NullableRef<System.Collections.Generic.List<AvlNet.Point3D>> | Points matching the fitting Circle | |||
outHeightProfiles | AvlNet.NullableRef<AvlNet.SafeList<AvlNet.Profile>> | Extracted surface height profiles | |||
outResponseProfiles | AvlNet.NullableRef<AvlNet.SafeList<AvlNet.Profile>> | Profiles of the edge (derivative) operator response | |||
diagScanSegments | System.Collections.Generic.IList<AvlNet.Segment2D> | Segments along which the scans were run | |||
diagSamplingAreas | System.Collections.Generic.IList<AvlNet.Rectangle2D> | Areas from which the input image is sampled |
Hardware Acceleration
This operation supports automatic parallelization for multicore and multiprocessor systems.
Hardware acceleration settings may be manipulated with Settings class.
Errors
List of possible exceptions:
Error type | Description |
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DomainError | Sampling step set to zero in FitCircleToEdges3D. |
Function Overrides
- FitCircleToEdges3D_Direct(Surface, CircleFittingField, Int32, Int32, InterpolationMethod, EdgeScanParams3D, Selection, Single, CircleFittingMethod, INullable<Circle3D>)
- FitCircleToEdges3D_Direct(Surface, CircleFittingField, Nullable<CoordinateSystem2D>, Int32, Nullable<Single>, Int32, InterpolationMethod, EdgeScanParams3D, Selection, Nullable<LocalBlindness>, Nullable<Int32>, Single, CircleFittingMethod, Nullable<MEstimator>, INullable<Circle3D>)
- FitCircleToEdges3D_Direct(Surface, CircleFittingField, Nullable<CoordinateSystem2D>, Int32, Nullable<Single>, Int32, InterpolationMethod, EdgeScanParams3D, Selection, Nullable<LocalBlindness>, Nullable<Int32>, Single, CircleFittingMethod, Nullable<MEstimator>, INullable<Circle3D>, NullableRef<List<Nullable<SurfaceEdge1D>>>, NullableRef<NullableRef<Profile>>, NullableValue<CircleFittingField>, NullableRef<List<Point3D>>, NullableRef<SafeList<Profile>>, NullableRef<SafeList<Profile>>)
- FitCircleToEdges3D_Direct(Surface, CircleFittingField, Nullable<CoordinateSystem2D>, Int32, Nullable<Single>, Int32, InterpolationMethod, EdgeScanParams3D, Selection, Nullable<LocalBlindness>, Nullable<Int32>, Single, CircleFittingMethod, Nullable<MEstimator>, INullable<Circle3D>, IList<Nullable<SurfaceEdge1D>>, INullable<Profile>, CircleFittingField, IList<Point3D>, IList<Profile>, IList<Profile>, IList<Segment2D>, IList<Rectangle2D>)