Class HermitSpline

Hermit spline / Catmull–Rom spline to interpolate given set of points

remark: If you want to interpolate structural data, go for (Cg)Spline classes as they work better.

Hierarchy

HermitSpline

Index

Constructors

constructor

Properties

Accessors

Methods

Constructors

constructor

new HermitSpline(pointsToInterpolate: Vector3[], interpolationSubdivisions: number): HermitSpline

- Defined in backend/src/catana/geometry/hermit-spline.ts:10
Creates new spline instance, performing the interpolation immediately when the class is constructed.

Parameters
- pointsToInterpolate: Vector3[]
  
  points to be interpolated
- interpolationSubdivisions: number
  
  how many additional interpolated points will be added to each line segment
Returns HermitSpline

Properties

Private resultingNormals

resultingNormals: Vector3[]

Private resultingPoints

resultingPoints: Vector3[]

Private resultingTangents

resultingTangents: Vector3[]

Accessors

normals

get normals(): Vector3[]

- Defined in backend/src/catana/geometry/hermit-spline.ts:32
Returns Vector3[]

interpolated/resulting normals

points

get points(): Vector3[]

- Defined in backend/src/catana/geometry/hermit-spline.ts:25
Returns Vector3[]

interpolated/resulting points

tangents

get tangents(): Vector3[]

- Defined in backend/src/catana/geometry/hermit-spline.ts:39
Returns Vector3[]

interpolated/resulting tangents

Methods

Private getEndpointTangent

getEndpointTangent(pk: Vector3, pkPlusOne: Vector3): Vector3

- Defined in backend/src/catana/geometry/hermit-spline.ts:154
Returns tangent vector for spline end point

Parameters
- pk: Vector3
  
  first point
- pkPlusOne: Vector3
  
  following point
Returns Vector3

tangent vector

Private getInteriorTangent

getInteriorTangent(prevPoint: Vector3, nextPoint: Vector3): Vector3

- Defined in backend/src/catana/geometry/hermit-spline.ts:143
Returns tangent vector of a line between two points

Parameters
- prevPoint: Vector3
  
  first point of the spline
- nextPoint: Vector3
  
  second point of the spline
Returns Vector3

tangent vector

Private getNormalForTangent

getNormalForTangent(tang: Vector3): Vector3

- Defined in backend/src/catana/geometry/hermit-spline.ts:126
Returns normal vector for the provided tangent

Parameters
- tang: Vector3
  
  tangent
Returns Vector3

vector perpendicular to the tangent

Private interpolatePoints

interpolatePoints(pointsToInterpolate: Vector3[], interpolationSubdivisions: number): void

- Defined in backend/src/catana/geometry/hermit-spline.ts:49
Interpolates given set of points

Parameters
- pointsToInterpolate: Vector3[]
  
  points to be interpolated
- interpolationSubdivisions: number
  
  number of subdivisions
Returns void

Private interpolatePositionCubic

interpolatePositionCubic(p0: Vector3, t0: Vector3, p1: Vector3, t1: Vector3, t: number): Vector3

- Defined in backend/src/catana/geometry/hermit-spline.ts:90
Performs cubic interpolation of given positions

Parameters
- p0: Vector3
  
  first point
- t0: Vector3
  
  tangent for the first point
- p1: Vector3
  
  second point
- t1: Vector3
  
  tangent for the second point
- t: number
  
  interpolation parameter
Returns Vector3

interpolated position

Private interpolateTangentCubic

interpolateTangentCubic(p0: Vector3, t0: Vector3, p1: Vector3, t1: Vector3, t: number): Vector3

- Defined in backend/src/catana/geometry/hermit-spline.ts:111
Performs cubic interpolation of the given tangents. First derivative of the interpolatePositionCubic function.

Parameters
- p0: Vector3
  
  first point
- t0: Vector3
  
  tangent for the first point
- p1: Vector3
  
  second point
- t1: Vector3
  
  tangent for the second point
- t: number
  
  interpolation parameter
Returns Vector3

interpolated tangent

Generated using TypeDoc