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/*=========================================================================
Program: Visualization Toolkit
Module: vtkDistancePolyDataFilter.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.
=========================================================================*/
/**
* @class vtkDistancePolyDataFilter
*
*
* Computes the signed distance from one vtkPolyData to another. The
* signed distance to the second input is computed at every point in
* the first input using vtkImplicitPolyDataDistance. Optionally, the signed
* distance to the first input at every point in the second input can
* be computed. This may be enabled by calling
* ComputeSecondDistanceOn().
*
* If the signed distance is not desired, the unsigned distance can be
* computed by calling SignedDistanceOff(). The signed distance field
* may be negated by calling NegateDistanceOn();
*
* This code was contributed in the VTK Journal paper:
* "Boolean Operations on Surfaces in VTK Without External Libraries"
* by Cory Quammen, Chris Weigle C., Russ Taylor
* http://hdl.handle.net/10380/3262
* http://www.midasjournal.org/browse/publication/797
*/
#ifndef vtkDistancePolyDataFilter_h
#define vtkDistancePolyDataFilter_h
#include "vtkFiltersGeneralModule.h" // For export macro
#include "vtkPolyDataAlgorithm.h"
class VTKFILTERSGENERAL_EXPORT vtkDistancePolyDataFilter : public vtkPolyDataAlgorithm
{
public:
static vtkDistancePolyDataFilter *New();
vtkTypeMacro(vtkDistancePolyDataFilter, vtkPolyDataAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;
//@{
/**
* Enable/disable computation of the signed distance between
* the first poly data and the second poly data. Defaults to on.
*/
vtkSetMacro(SignedDistance,int);
vtkGetMacro(SignedDistance,int);
vtkBooleanMacro(SignedDistance,int);
//@}
//@{
/**
* Enable/disable negation of the distance values. Defaults to
* off. Has no effect if SignedDistance is off.
*/
vtkSetMacro(NegateDistance,int);
vtkGetMacro(NegateDistance,int);
vtkBooleanMacro(NegateDistance,int);
//@}
//@{
/**
* Enable/disable computation of a second output poly data with the
* distance from the first poly data at each point. Defaults to on.
*/
vtkSetMacro(ComputeSecondDistance,int);
vtkGetMacro(ComputeSecondDistance,int);
vtkBooleanMacro(ComputeSecondDistance,int);
//@}
/**
* Get the second output, which is a copy of the second input with an
* additional distance scalar field.
* Note this will return a valid data object only after this->Update() is
* called.
*/
vtkPolyData* GetSecondDistanceOutput();
protected:
vtkDistancePolyDataFilter();
~vtkDistancePolyDataFilter() VTK_OVERRIDE;
int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) VTK_OVERRIDE;
void GetPolyDataDistance(vtkPolyData*, vtkPolyData*);
private:
vtkDistancePolyDataFilter(const vtkDistancePolyDataFilter&) VTK_DELETE_FUNCTION;
void operator=(const vtkDistancePolyDataFilter&) VTK_DELETE_FUNCTION;
int SignedDistance;
int NegateDistance;
int ComputeSecondDistance;
};
#endif
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