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AVL.FitCircleToEdges3D_Direct

Namespace:AvlNet
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,
	IList<AvlNet.SurfaceEdge1D?> outEdges,
	INullable<AvlNet.Profile> outDeviationProfile,
	out AvlNet.CircleFittingField outAlignedFittingField,
	IList<AvlNet.Point3D> outInliers,
	IList<AvlNet.Profile> outHeightProfiles,
	IList<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
inEdgeScanParamsAvlNet.EdgeScanParams3DEdgeScanParams3D ( ProfileInterpolation: Quadratic4 SmoothingStdDev: 1.0f MinMagnitude: 5.0f EdgeTransition: LowToHigh )Parameters controlling the edge extraction process
inEdgeSelectionAvlNet.SelectionSelection mode of edges
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 edge 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 or nothing if the fitting fails
outEdgesSystem.Collections.Generic.IList<AvlNet.SurfaceEdge1D?>Found edges
outDeviationProfileAvlNet.INullable<AvlNet.Profile>Profile of distances between the actual circle points and the corresponding reference circle points
outAlignedFittingFieldAvlNet.CircleFittingFieldFitting field used; in the image coordinate system
outInliersSystem.Collections.Generic.IList<AvlNet.Point3D>Points matching the fitting Circle
outHeightProfilesSystem.Collections.Generic.IList<AvlNet.Profile>Extracted surface height profiles
outResponseProfilesSystem.Collections.Generic.IList<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 FitCircleToEdges3D.

Function Overrides

See also