Class ShapeBodyInfoHelper

Helper functions for ICamIpcShapeBodyInfo — the level-1 shape descriptor of a face set

Inheritance

object

ShapeBodyInfoHelper

Inherited Members

object.GetType()

object.MemberwiseClone()

object.ToString()

object.Equals(object)

object.Equals(object, object)

object.ReferenceEquals(object, object)

object.GetHashCode()

Namespace: CAMIPC.DotnetHelper

Assembly: CAMIPC.DotnetHelper.dll

Syntax

public static class ShapeBodyInfoHelper

Methods

BoundaryEdgeCount(ComWrapper<ICamIpcShapeBodyInfo>)

Number of boundary (free) edges; 0 for a closed shell

Declaration

public static int BoundaryEdgeCount(this ComWrapper<ICamIpcShapeBodyInfo> infoCom)

Parameters

Type	Name	Description
ComWrapper<ICamIpcShapeBodyInfo>	infoCom

Returns

Type	Description
int

BoxMax(ComWrapper<ICamIpcShapeBodyInfo>)

Maximum corner of the body bounding box in model space

Declaration

public static TST3DPoint BoxMax(this ComWrapper<ICamIpcShapeBodyInfo> infoCom)

Parameters

Type	Name	Description
ComWrapper<ICamIpcShapeBodyInfo>	infoCom

Returns

Type	Description
TST3DPoint

BoxMin(ComWrapper<ICamIpcShapeBodyInfo>)

Minimum corner of the body bounding box in model space

Declaration

public static TST3DPoint BoxMin(this ComWrapper<ICamIpcShapeBodyInfo> infoCom)

Parameters

Type	Name	Description
ComWrapper<ICamIpcShapeBodyInfo>	infoCom

Returns

Type	Description
TST3DPoint

Centroid(ComWrapper<ICamIpcShapeBodyInfo>)

Center of mass at unit density

Declaration

public static TST3DPoint Centroid(this ComWrapper<ICamIpcShapeBodyInfo> infoCom)

Parameters

Type	Name	Description
ComWrapper<ICamIpcShapeBodyInfo>	infoCom

Returns

Type	Description
TST3DPoint

ConcaveEdgeCount(ComWrapper<ICamIpcShapeBodyInfo>)

Number of concave edges

Declaration

public static int ConcaveEdgeCount(this ComWrapper<ICamIpcShapeBodyInfo> infoCom)

Parameters

Type	Name	Description
ComWrapper<ICamIpcShapeBodyInfo>	infoCom

Returns

Type	Description
int

ConvexEdgeCount(ComWrapper<ICamIpcShapeBodyInfo>)

Number of convex edges

Declaration

public static int ConvexEdgeCount(this ComWrapper<ICamIpcShapeBodyInfo> infoCom)

Parameters

Type	Name	Description
ComWrapper<ICamIpcShapeBodyInfo>	infoCom

Returns

Type	Description
int

FaceCount(ComWrapper<ICamIpcShapeBodyInfo>)

Number of faces the descriptor was built from

Declaration

public static int FaceCount(this ComWrapper<ICamIpcShapeBodyInfo> infoCom)

Parameters

Type	Name	Description
ComWrapper<ICamIpcShapeBodyInfo>	infoCom

Returns

Type	Description
int

GetDistanceHistogram(ComWrapper<ICamIpcShapeBodyInfo>)

Level-2 (scale-invariant) descriptor: shares of surface point pairs by distance, measured relative to the bounding box diagonal. The bins sum to 1

Declaration

public static double[] GetDistanceHistogram(this ComWrapper<ICamIpcShapeBodyInfo> infoCom)

Parameters

Type	Name	Description
ComWrapper<ICamIpcShapeBodyInfo>	infoCom

Returns

Type	Description
double[]

GetFaceCountByKind(ComWrapper<ICamIpcShapeBodyInfo>, TCamIpcSurfaceKind)

Number of faces of the given analytic surface kind

Declaration

public static int GetFaceCountByKind(this ComWrapper<ICamIpcShapeBodyInfo> infoCom, TCamIpcSurfaceKind kind)

Parameters

Type	Name	Description
ComWrapper<ICamIpcShapeBodyInfo>	infoCom
TCamIpcSurfaceKind	kind

Returns

Type	Description
int

GetNormalizedInertia(ComWrapper<ICamIpcShapeBodyInfo>)

Level-2 (scale-invariant) descriptor: principal moments divided by the largest of them, in ascending order

Declaration

public static TST3DPoint GetNormalizedInertia(this ComWrapper<ICamIpcShapeBodyInfo> infoCom)

Parameters

Type	Name	Description
ComWrapper<ICamIpcShapeBodyInfo>	infoCom

Returns

Type	Description
TST3DPoint

GetPrincipalInertia(ComWrapper<ICamIpcShapeBodyInfo>, out TST3DPoint, out TST3DPoint, out TST3DPoint, out TST3DPoint)

Principal inertia at unit density about the centroid: moments in ascending order with their matching unit eigen-directions

Declaration

public static void GetPrincipalInertia(this ComWrapper<ICamIpcShapeBodyInfo> infoCom, out TST3DPoint moments, out TST3DPoint axis1, out TST3DPoint axis2, out TST3DPoint axis3)

Parameters

Type	Name	Description
ComWrapper<ICamIpcShapeBodyInfo>	infoCom
TST3DPoint	moments
TST3DPoint	axis1
TST3DPoint	axis2
TST3DPoint	axis3

GetVector(ComWrapper<ICamIpcShapeBodyInfo>)

The level-2 descriptor packed for shape recognition. Every value is dimensionless, so the vector does not change with the size of the part

Declaration

public static double[] GetVector(this ComWrapper<ICamIpcShapeBodyInfo> infoCom)

Parameters

Type	Name	Description
ComWrapper<ICamIpcShapeBodyInfo>	infoCom

Returns

Type	Description
double[]

IsClosed(ComWrapper<ICamIpcShapeBodyInfo>)

True if the face set forms a closed shell (no boundary edges)

Declaration

public static bool IsClosed(this ComWrapper<ICamIpcShapeBodyInfo> infoCom)

Parameters

Type	Name	Description
ComWrapper<ICamIpcShapeBodyInfo>	infoCom

Returns

Type	Description
bool

SmoothEdgeCount(ComWrapper<ICamIpcShapeBodyInfo>)

Number of smooth (tangent) edges

Declaration

public static int SmoothEdgeCount(this ComWrapper<ICamIpcShapeBodyInfo> infoCom)

Parameters

Type	Name	Description
ComWrapper<ICamIpcShapeBodyInfo>	infoCom

Returns

Type	Description
int

Sphericity(ComWrapper<ICamIpcShapeBodyInfo>)

Level-2 (scale-invariant) descriptor: how close the body is to a ball, 0..1

Declaration

public static double Sphericity(this ComWrapper<ICamIpcShapeBodyInfo> infoCom)

Parameters

Type	Name	Description
ComWrapper<ICamIpcShapeBodyInfo>	infoCom

Returns

Type	Description
double

TotalArea(ComWrapper<ICamIpcShapeBodyInfo>)

Sum of face areas

Declaration

public static double TotalArea(this ComWrapper<ICamIpcShapeBodyInfo> infoCom)

Parameters

Type	Name	Description
ComWrapper<ICamIpcShapeBodyInfo>	infoCom

Returns

Type	Description
double

VectorSchemaVersion(ComWrapper<ICamIpcShapeBodyInfo>)

Schema version of the feature vector — a classifier trained on one version must not consume another

Declaration

public static int VectorSchemaVersion(this ComWrapper<ICamIpcShapeBodyInfo> infoCom)

Parameters

Type	Name	Description
ComWrapper<ICamIpcShapeBodyInfo>	infoCom

Returns

Type	Description
int

Volume(ComWrapper<ICamIpcShapeBodyInfo>)

Enclosed volume of the shell; 0 for an open face set

Declaration

public static double Volume(this ComWrapper<ICamIpcShapeBodyInfo> infoCom)

Parameters

Type	Name	Description
ComWrapper<ICamIpcShapeBodyInfo>	infoCom

Returns

Type	Description
double