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40 #ifndef vtkSPHQuinticKernel_h
41 #define vtkSPHQuinticKernel_h
43 #include "vtkFiltersPointsModule.h"
76 double tmp1 = 3.0 - std::min(d,3.0);
77 double tmp2 = 2.0 - std::min(d,2.0);
78 double tmp3 = 1.0 - std::min(d,1.0);
79 return (tmp1*tmp1*tmp1*tmp1*tmp1 - 6.0*tmp2*tmp2*tmp2*tmp2*tmp2 +
80 15.0*tmp3*tmp3*tmp3*tmp3*tmp3);
91 double tmp1 = 3.0 - std::min(d,3.0);
92 double tmp2 = 2.0 - std::min(d,2.0);
93 double tmp3 = 1.0 - std::min(d,1.0);
94 return (-5.0*tmp1*tmp1*tmp1*tmp1 + 30.0*tmp2*tmp2*tmp2*tmp2 +
95 -75.0*tmp3*tmp3*tmp3*tmp3);
represent and manipulate point attribute data
static vtkObject * New()
Create an object with Debug turned off, modified time initialized to zero, and reference counting on.
void Initialize(vtkAbstractPointLocator *loc, vtkDataSet *ds, vtkPointData *pd) override
Produce the computational parameters for the kernel.
a simple class to control print indentation
list of point or cell ids
a family of SPH interpolation kernels
abstract class to specify dataset behavior
a quintic SPH interpolation kernel
abstract class to quickly locate points in 3-space
double ComputeDerivWeight(const double d) override
Compute weighting factor for derivative quantities given a normalized distance from a sample point.
dynamic, self-adjusting array of double
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
double ComputeFunctionWeight(const double d) override
Compute weighting factor given a normalized distance from a sample point.