40#ifndef vtkSPHCubicKernel_h
41#define vtkSPHCubicKernel_h
43#include "vtkFiltersPointsModule.h"
76 double tmp1 = 2.0 - std::min(d,2.0);
77 double tmp2 = 1.0 - std::min(d,1.0);
78 return (0.25*tmp1*tmp1*tmp1 - tmp2*tmp2*tmp2);
89 double tmp1 = 2.0 - std::min(d,2.0);
90 double tmp2 = 1.0 - std::min(d,1.0);
91 return (-0.75*tmp1*tmp1 + 3.0*tmp2*tmp2);
abstract class to quickly locate points in 3-space
abstract class to specify dataset behavior
dynamic, self-adjusting array of double
list of point or cell ids
a simple class to control print indentation
represent and manipulate point attribute data
a cubic SPH interpolation kernel
virtual double ComputeDerivWeight(const double d)
Compute weighting factor for derivative quantities given a normalized distance from a sample point.
static vtkSPHCubicKernel * New()
Standard methods for instantiation, obtaining type information, and printing.
void PrintSelf(ostream &os, vtkIndent indent)
Methods invoked by print to print information about the object including superclasses.
virtual void Initialize(vtkAbstractPointLocator *loc, vtkDataSet *ds, vtkPointData *pd)
Produce the computational parameters for the kernel.
virtual double ComputeFunctionWeight(const double d)
Compute weighting factor given a normalized distance from a sample point.
a family of SPH interpolation kernels