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/*=========================================================================
Program: Visualization Toolkit
Module: vtkUncertaintyTubeFilter.h
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
// .NAME vtkUncertaintyTubeFilter - generate uncertainty tubes along a polyline
// .SECTION Description
// vtkUncertaintyTubeFilter is a filter that generates ellipsoidal (in cross
// section) tubes that follows a polyline. The input is a vtkPolyData with
// polylines that have associated vector point data. The vector data represents
// the uncertainty of the polyline in the x-y-z directions.
//
// .SECTION Caveats
// The vector uncertainty values define an axis-aligned ellipsoid at each
// polyline point. The uncertainty tubes can be envisioned as the
// interpolation of these ellipsoids between the points defining the
// polyline (or rather, the interpolation of the cross section of the
// ellipsoids alog the polyline).
// .SECTION See Also
// vtkTensorGlyph vtkStreamer
#ifndef __vtkUncertaintyTubeFilter_h
#define __vtkUncertaintyTubeFilter_h
#include "vtkPolyDataAlgorithm.h"
class vtkTubeArray;
class VTK_GRAPHICS_EXPORT vtkUncertaintyTubeFilter : public vtkPolyDataAlgorithm
{
public:
// Description:
// Standard methods for printing and obtaining type information for instances of this class.
vtkTypeMacro(vtkUncertaintyTubeFilter,vtkPolyDataAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// Object factory method to instantiate this class.
static vtkUncertaintyTubeFilter *New();
// Description:
// Set / get the number of sides for the tube. At a minimum,
// the number of sides is 3.
vtkSetClampMacro(NumberOfSides,int,3,VTK_LARGE_INTEGER);
vtkGetMacro(NumberOfSides,int);
protected:
vtkUncertaintyTubeFilter();
~vtkUncertaintyTubeFilter();
// Integrate data
virtual int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
int BuildTubes(vtkPointData *pd, vtkPointData *outPD,
vtkCellData *cd, vtkCellData *outCD, vtkPolyData *output);
//array of uncertainty tubes
vtkTubeArray *Tubes;
int NumberOfTubes;
// number of sides of tube
int NumberOfSides;
private:
vtkUncertaintyTubeFilter(const vtkUncertaintyTubeFilter&); // Not implemented.
void operator=(const vtkUncertaintyTubeFilter&); // Not implemented.
};
#endif
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