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vtkImplicitPolyDataDistance Class Reference

#include <vtkImplicitPolyDataDistance.h>

Inherits vtkImplicitFunction.

Public Types

typedef vtkImplicitFunction Superclass
 

Public Member Functions

virtual int IsA (const char *type)
 
vtkImplicitPolyDataDistanceNewInstance () const
 
void PrintSelf (ostream &os, vtkIndent indent)
 
unsigned long GetMTime ()
 
double EvaluateFunction (double x[3])
 
void EvaluateGradient (double x[3], double g[3])
 
void SetInput (vtkPolyData *input)
 
virtual void SetNoValue (double)
 
virtual double GetNoValue ()
 
virtual void SetNoGradient (double, double, double)
 
virtual void SetNoGradient (double[3])
 
virtual double * GetNoGradient ()
 
virtual void GetNoGradient (double &, double &, double &)
 
virtual void GetNoGradient (double[3])
 
virtual double GetTolerance ()
 
virtual void SetTolerance (double)
 

Static Public Member Functions

static
vtkImplicitPolyDataDistance
New ()
 
static int IsTypeOf (const char *type)
 
static
vtkImplicitPolyDataDistance
SafeDownCast (vtkObjectBase *o)
 

Protected Member Functions

virtual vtkObjectBase * NewInstanceInternal () const
 
 vtkImplicitPolyDataDistance ()
 
 ~vtkImplicitPolyDataDistance ()
 
double SharedEvaluate (double x[3], double n[3])
 

Detailed Description

Implicit function that computes the distance from a point x to the nearest point p on an input vtkPolyData. The sign of the function is set to the sign of the dot product between the angle-weighted pseudonormal at the nearest surface point and the vector x - p. Points interior to the geometry have a negative distance, points on the exterior have a positive distance, and points on the input vtkPolyData have a distance of zero. The gradient of the function is the angle-weighted pseudonormal at the nearest point.

Baerentzen, J. A. and Aanaes, H. (2005). Signed distance computation using the angle weighted pseudonormal. IEEE Transactions on Visualization and Computer Graphics, 11:243-253.

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

Tests:
vtkImplicitPolyDataDistance (Tests)

Definition at line 50 of file vtkImplicitPolyDataDistance.h.

Member Typedef Documentation

typedef vtkImplicitFunction vtkImplicitPolyDataDistance::Superclass

Definition at line 54 of file vtkImplicitPolyDataDistance.h.

Constructor & Destructor Documentation

vtkImplicitPolyDataDistance::vtkImplicitPolyDataDistance ( )
protected
vtkImplicitPolyDataDistance::~vtkImplicitPolyDataDistance ( )
protected

Member Function Documentation

static vtkImplicitPolyDataDistance* vtkImplicitPolyDataDistance::New ( )
static
static int vtkImplicitPolyDataDistance::IsTypeOf ( const char *  type)
static
virtual int vtkImplicitPolyDataDistance::IsA ( const char *  type)
virtual
static vtkImplicitPolyDataDistance* vtkImplicitPolyDataDistance::SafeDownCast ( vtkObjectBase *  o)
static
virtual vtkObjectBase* vtkImplicitPolyDataDistance::NewInstanceInternal ( ) const
protectedvirtual
vtkImplicitPolyDataDistance* vtkImplicitPolyDataDistance::NewInstance ( ) const
void vtkImplicitPolyDataDistance::PrintSelf ( ostream &  os,
vtkIndent  indent 
)
unsigned long vtkImplicitPolyDataDistance::GetMTime ( )

Return the MTime also considering the Input dependency.

double vtkImplicitPolyDataDistance::EvaluateFunction ( double  x[3])

Evaluate plane equation of nearest triangle to point x[3].

void vtkImplicitPolyDataDistance::EvaluateGradient ( double  x[3],
double  g[3] 
)

Evaluate function gradient of nearest triangle to point x[3].

void vtkImplicitPolyDataDistance::SetInput ( vtkPolyData input)

Set the input vtkPolyData used for the implicit function evaluation. Passes input through an internal instance of vtkTriangleFilter to remove vertices and lines, leaving only triangular polygons for evaluation as implicit planes.

virtual void vtkImplicitPolyDataDistance::SetNoValue ( double  )
virtual

Set/get the function value to use if no input vtkPolyData specified.

virtual double vtkImplicitPolyDataDistance::GetNoValue ( )
virtual

Set/get the function value to use if no input vtkPolyData specified.

virtual void vtkImplicitPolyDataDistance::SetNoGradient ( double  ,
double  ,
double   
)
virtual

Set/get the function gradient to use if no input vtkPolyData specified.

virtual void vtkImplicitPolyDataDistance::SetNoGradient ( double  [3])
virtual

Set/get the function gradient to use if no input vtkPolyData specified.

virtual double* vtkImplicitPolyDataDistance::GetNoGradient ( )
virtual

Set/get the function gradient to use if no input vtkPolyData specified.

virtual void vtkImplicitPolyDataDistance::GetNoGradient ( double &  ,
double &  ,
double &   
)
virtual

Set/get the function gradient to use if no input vtkPolyData specified.

virtual void vtkImplicitPolyDataDistance::GetNoGradient ( double  [3])
virtual

Set/get the function gradient to use if no input vtkPolyData specified.

virtual double vtkImplicitPolyDataDistance::GetTolerance ( )
virtual

Set/get the tolerance usued for the locator.

virtual void vtkImplicitPolyDataDistance::SetTolerance ( double  )
virtual

Set/get the tolerance usued for the locator.

double vtkImplicitPolyDataDistance::SharedEvaluate ( double  x[3],
double  n[3] 
)
protected

The documentation for this class was generated from the following file: