HermiteSurface

public class HermiteSurface : IDisposable
Create an ON_NurbsSurface satisfying Hermite interpolation conditions at a grid of points.

Constructors

HermiteSurface

#Since v7.0
public HermiteSurface()
Initializes a new HermiteSurface instance.

HermiteSurface

#Since v7.0
public HermiteSurface(int uCount, int vCount)
Initializes a new HermiteSurface instance.
Parameters:
uCount (int)The number of parameters in the "u" direction.
vCount (int)The number of parameters in the "v" direction.

Finalizer

~HermiteSurface

#
~HermiteSurface()
Passively reclaims unmanaged resources when the class user did not explicitly call Dispose().

Properties

IsValid

#Since v7.0
public bool IsValid { get; }
Returns true if the all of values in all of the internal data structures contain valid values, false otherwise.

UCount

#Since v7.0
public int UCount { get; }
Gets the number of parameters in the "u" direction.

VCount

#Since v7.0
public int VCount { get; }
Gets the number of parameters in the "v" direction.

Methods

Dispose

#Since v7.0
public void Dispose()
Actively reclaims unmanaged resources that this instance uses.

PointAt

#Since v7.0
public Point3d PointAt(int uIndex, int vIndex)
Gets the interpolation point at the u,v parameter location.
Parameters:
uIndex (int)The "u" index.
vIndex (int)The "v" index.
Returns: The point location.

SetPointAt

#Since v7.0
public void SetPointAt(int uIndex, int vIndex, Point3d point)
Sets the interpolation point at the u,v parameter location.
Parameters:
uIndex (int)The "u" index.
vIndex (int)The "v" index.
point (Point3d)The point location.

SetTwistAt

#Since v7.0
public void SetTwistAt(int uIndex, int vIndex, Vector3d twist)
Set the twist direction (mixed second partial derivative) to interpolate at the u,v parameter location.
Parameters:
uIndex (int)The "u" index.
vIndex (int)The "v" index.
twist (Vector3d)The twist direction.

SetUParameterAt

#Since v7.0
public void SetUParameterAt(int index, double parameter)
Sets the "u" parameter at an index. These parameters are strictly increasing.
Parameters:
index (int)The index.
parameter (double)The parameter value.

SetUTangentAt

#Since v7.0
public void SetUTangentAt(int uIndex, int vIndex, Vector3d tangent)
Set the "u" tangent direction (actually first derivative) to interpolate at the u,v parameter location.
Parameters:
uIndex (int)The "u" index.
vIndex (int)The "v" index.
tangent (Vector3d)The tangent direction.

SetVParameterAt

#Since v7.0
public void SetVParameterAt(int index, double parameter)
Sets the "v" parameter at an index. These parameters are strictly increasing.
Parameters:
index (int)The index.
parameter (double)The parameter value.

SetVTangentAt

#Since v7.0
public void SetVTangentAt(int uIndex, int vIndex, Vector3d tangent)
Set the "v" tangent direction (actually first derivative) to interpolate at the u,v parameter location.
Parameters:
uIndex (int)The "u" index.
vIndex (int)The "v" index.
tangent (Vector3d)The tangent direction.

ToNurbsSurface

#Since v7.0
public NurbsSurface ToNurbsSurface()
Constructs a NURBS surface satisfying the Hermite interpolation conditions.
Returns: A NURBS surface is successful, null otherwise.

TwistAt

#Since v7.0
public Vector3d TwistAt(int uIndex, int vIndex)
Get the twist direction (mixed second partial derivative) to interpolate at the u,v parameter location.
Parameters:
uIndex (int)The "u" index.
vIndex (int)The "v" index.
Returns: The twist direction.

UParameterAt

#Since v7.0
public double UParameterAt(int index)
Gets the "u" parameter at an index. These parameters are strictly increasing.
Parameters:
index (int)The index.
Returns: The parameter.

UTangentAt

#Since v7.0
public Vector3d UTangentAt(int uIndex, int vIndex)
Get the "u" tangent direction (actually first derivative) to interpolate at the u,v parameter location.
Parameters:
uIndex (int)The "u" index.
vIndex (int)The "v" index.
Returns: The tangent direction.

VParameterAt

#Since v7.0
public double VParameterAt(int index)
Gets the "v" parameter at an index. These parameters are strictly increasing.
Parameters:
index (int)The index.
Returns: The parameter.

VTangentAt

#Since v7.0
public Vector3d VTangentAt(int uIndex, int vIndex)
Get the "v" tangent direction (actually first derivative) to interpolate at the u,v parameter location.
Parameters:
uIndex (int)The "u" index.
vIndex (int)The "v" index.
Returns: The tangent direction.