WindowedSincPolyDataFilter

Source (.js)Source (.d.ts)

Introduction

vtkWindowedSincPolyDataFilter - adjust point positions using a windowed sinc function interpolation kernel

vtkWindowedSincPolyDataFilter adjusts point coordinates using a windowed sinc function interpolation kernel. The effect is to "relax" the mesh, making the cells better shaped and the vertices more evenly distributed. Note that this filter operates on the lines, polygons, and triangle strips composing an instance of vtkPolyData. Vertex or poly-vertex cells are never modified.

The algorithm is described in "Optimal Surface Smoothing as Filter Design", G. Taubin, T. Zhang and G. Golub, IBM tech report RC-20404.

Methods

extend

Method used to decorate a given object (publicAPI+model) with vtkWindowedSincPolyDataFilter characteristics.

Argument	Type	Required	Description
publicAPI		Yes	object on which methods will be bounds (public)
model		Yes	object on which data structure will be bounds (protected)
initialValues	IWindowedSincPolyDataFilterInitialValues	No	(default: {})

getBoundarySmoothing

Get whether points on the boundary of the mesh are smoothed.

getEdgeAngle

Get the angle, in degrees, above which an edge between two adjacent boundary or feature edges is considered sharp and its vertex is fixed.

getFeatureAngle

Get the angle, in degrees, above which the edge between two adjacent polygons is a feature edge.

getFeatureEdgeSmoothing

Get whether feature edges are smoothed.

getGenerateErrorScalars

Get whether a scalar array holding the distance each point moved is added to the output.

getGenerateErrorVectors

Get whether a vector array holding the displacement of each point is added to the output.

getNonManifoldSmoothing

Get whether non-manifold vertices are smoothed.

getNormalizeCoordinates

Get whether the coordinates are normalized to the unit cube before smoothing and restored afterwards.

getNumberOfIterations

Get the degree of the Chebyshev polynomial approximating the filter.

getPassBand

Get the pass band of the windowed sinc filter, in [0, 2].

newInstance

Method used to create a new instance of vtkWindowedSincPolyDataFilter

Argument	Type	Required	Description
initialValues	IWindowedSincPolyDataFilterInitialValues	No	for pre-setting some of its content

requestData

Argument	Type	Required	Description
inData		Yes
outData		Yes

setBoundarySmoothing

Set whether points on the boundary of the mesh are smoothed.

Argument	Type	Required	Description
boundarySmoothing	Number	Yes

setEdgeAngle

Set the angle, in degrees, above which an edge between two adjacent boundary or feature edges is considered sharp and its vertex is fixed.

Argument	Type	Required	Description
edgeAngle	Number	Yes

setFeatureAngle

Set the angle, in degrees, above which the edge between two adjacent polygons is a feature edge.

Argument	Type	Required	Description
featureAngle	Number	Yes

setFeatureEdgeSmoothing

Set whether feature edges are smoothed.

Argument	Type	Required	Description
featureEdgeSmoothing	Number	Yes

setGenerateErrorScalars

Set whether a scalar array holding the distance each point moved is added to the output.

Argument	Type	Required	Description
generateErrorScalars	Number	Yes

setGenerateErrorVectors

Set whether a vector array holding the displacement of each point is added to the output.

Argument	Type	Required	Description
generateErrorVectors	Number	Yes

setNonManifoldSmoothing

Set whether non-manifold vertices are smoothed.

Argument	Type	Required	Description
nonManifoldSmoothing	Number	Yes

setNormalizeCoordinates

Set whether the coordinates are normalized to the unit cube before smoothing and restored afterwards.

Argument	Type	Required	Description
normalizeCoordinates	Number	Yes

setNumberOfIterations

Set the degree of the Chebyshev polynomial approximating the filter.

Argument	Type	Required	Description
numberOfIterations	Number	Yes

setPassBand

Set the pass band of the windowed sinc filter, in [0, 2].

Argument	Type	Required	Description
passBand	Number	Yes

vtkWindowedSincPolyDataFilterExecute

Smooth inPts using the topology of inputPolyData and return the new point set. The error scalars and vectors, when requested, are added to output. Returns inPts unchanged when there is nothing to smooth.

Argument	Type	Required	Description
inPts	vtkPoints	Yes
inputPolyData	vtkPolyData	Yes
output	vtkPolyData	Yes