You are here: Start » AVL.NET » Function Reference » Computer Vision » Shape Fitting 3D » AVL.FitCircleToStripe3D_Direct

AVL.FitCircleToStripe3D_Direct

Namespace:AvlNet
Assembly:AVL.NET.dll

Syntax

C++
C#
 
public static void FitCircleToStripe3D_Direct
(
	AvlNet.Surface inSurface,
	AvlNet.CircleFittingField inFittingField,
	AvlNet.CoordinateSystem2D? inFittingFieldAlignment,
	int inScanCount,
	float? inSamplingStep,
	int inScanWidth,
	AvlNet.InterpolationMethod inSurfaceInterpolation,
	AvlNet.StripeScanParams3D inStripeScanParams,
	AvlNet.Selection inStripeSelection,
	AvlNet.LocalBlindness? inLocalBlindness,
	int? inMaxProfileGapWidth,
	float inMaxIncompleteness,
	AvlNet.CircleFittingMethod inFittingMethod,
	AvlNet.MEstimator? inOutlierSuppression,
	INullable<AvlNet.Circle3D> outCircle,
	INullable<AvlNet.Circle3D> outInnerCircle,
	INullable<AvlNet.Circle3D> outOuterCircle,
	NullableRef<List<NullableRef<AvlNet.SurfaceStripe1D>>> outStripes,
	NullableRef<List<AvlNet.Point3D>> outStripePoints,
	NullableRef<NullableRef<AvlNet.Profile>> outDeviationProfile,
	NullableValue<AvlNet.CircleFittingField> outAlignedFittingField,
	NullableRef<SafeList<AvlNet.Profile>> outHeightProfiles,
	NullableRef<SafeList<AvlNet.Profile>> outResponseProfiles,
	IList<AvlNet.Segment2D> diagScanSegments,
	IList<AvlNet.Rectangle2D> diagSamplingAreas
)

Parameters

Name Type Range Default Description
inSurfaceAvlNet.SurfaceSurface to fit the circle to
inFittingFieldAvlNet.CircleFittingFieldCircle fitting field
inFittingFieldAlignmentAvlNet.CoordinateSystem2D?Adjusts the fitting field to the position of the inspected object
inScanCountint<3, INF>10The number of points that will be searched to estimate the position of the circle
inSamplingStepfloat?<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
inScanWidthint<1, INF>5The width of each scan field (in pixels)
inSurfaceInterpolationAvlNet.InterpolationMethodBilinearInterpolation method used for extraction of surface points
inStripeScanParamsAvlNet.StripeScanParams3DStripeScanParams3D ( ProfileInterpolation: Quadratic4 SmoothingStdDev: 1.0f MinMagnitude: 5.0f MaxInnerEdgeMagnitude: Nil MinStripeWidth: 0.0f MaxStripeWidth: Nil StripePolarity: High )Parameters controlling the stripe extraction process
inStripeSelectionAvlNet.SelectionSelection mode of stripe
inLocalBlindnessAvlNet.LocalBlindness?Defines conditions in which weaker edges can be detected in the vicinity of stronger edges
inMaxProfileGapWidthint?<0, INF>1Maximal number of consecutive not existing profile points
inMaxIncompletenessfloat<0.0f, 0.999f>0.1fMaximal fraction of stripe points not found
inFittingMethodAvlNet.CircleFittingMethodAlgebraicTaubinMethod used to fit a circle
inOutlierSuppressionAvlNet.MEstimator?Selects a method for ignoring incorrectly detected points
outCircleAvlNet.INullable<AvlNet.Circle3D>Fitted circle in the middle of found stripe or nothing if the fitting fails
outInnerCircleAvlNet.INullable<AvlNet.Circle3D>Fitted inner circle
outOuterCircleAvlNet.INullable<AvlNet.Circle3D>Fitted outer circle
outStripesAvlNet.NullableRef<System.Collections.Generic.List<AvlNet.NullableRef<AvlNet.SurfaceStripe1D>>>Found stripes
outStripePointsAvlNet.NullableRef<System.Collections.Generic.List<AvlNet.Point3D>>Extracted points of middle circle of a surface stripe
outDeviationProfileAvlNet.NullableRef<AvlNet.NullableRef<AvlNet.Profile>>Profile of distances between the actual circle points and the corresponding reference circle points
outAlignedFittingFieldAvlNet.NullableValue<AvlNet.CircleFittingField>Fitting field used; in the image coordinate system
outHeightProfilesAvlNet.NullableRef<AvlNet.SafeList<AvlNet.Profile>>Extracted surface height profiles
outResponseProfilesAvlNet.NullableRef<AvlNet.SafeList<AvlNet.Profile>>Profiles of the edge (derivative) operator response
diagScanSegmentsSystem.Collections.Generic.IList<AvlNet.Segment2D>Segments along which the scans were run
diagSamplingAreasSystem.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
DomainError Sampling step set to zero in FitCircleToStripe3D.

Function Overrides

See also