40 #ifndef vtkPiecewiseFunction_h
41 #define vtkPiecewiseFunction_h
43 #include "vtkCommonDataModelModule.h"
46 VTK_ABI_NAMESPACE_BEGIN
47 class vtkPiecewiseFunctionInternals;
62 INTERPOLATION_SEARCH = 1,
84 int AddPoint(
double x,
double y,
double midpoint,
double sharpness);
169 void GetTable(
double x1,
double x2,
int size,
float* table,
int stride = 1,
int logIncrements = 0,
170 double epsilon = 1e-5);
171 void GetTable(
double x1,
double x2,
int size,
double* table,
int stride = 1,
172 int logIncrements = 0,
double epsilon = 1e-5);
202 vtkSetMacro(UseLogScale,
bool);
203 vtkGetMacro(UseLogScale,
bool);
204 vtkBooleanMacro(UseLogScale,
bool);
321 VTK_ABI_NAMESPACE_END
general representation of visualization data
a simple class to control print indentation
Defines a 1D piecewise function.
int SetNodeValue(int index, double val[4])
For the node specified by index, set/get the location (X), value (Y), midpoint, and sharpness values ...
vtkTypeBool AllowDuplicateScalars
void GetTable(double x1, double x2, int size, float *table, int stride=1, int logIncrements=0, double epsilon=1e-5)
Fills in an array of function values evaluated at regular intervals.
int AdjustRange(double range[2])
Remove all points out of the new range, and make sure there is a point at each end of that range.
double GetValue(double x)
Returns the value of the function at the specified location using the specified interpolation.
int AddPoint(double x, double y, double midpoint, double sharpness)
Add points to the function.
static vtkPiecewiseFunction * GetData(vtkInformationVector *v, int i=0)
Retrieve an instance of this class from an information object.
int RemovePoint(double x)
Remove the first point found at the given x location Return the index of the remove point if any,...
double * GetDataPointer()
Returns a pointer to the data stored in the table.
int GetCustomSearchMethod()
void UpdateSearchMethod(double epsilon=1e-12, double thresh=1e-4)
Analyses the point distribution and automatically updates the search method to optimize the time proc...
int AddPoint(double x, double y)
Add points to the function.
double GetFirstNonZeroValue()
Returns the first point location which precedes a non-zero segment of the function.
void GetTable(double x1, double x2, int size, double *table, int stride=1, int logIncrements=0, double epsilon=1e-5)
Fills in an array of function values evaluated at regular intervals.
int GetAutomaticSearchMethod()
Methods to set / get the search method used.
int RemovePoint(double x, double y)
Remove the first point found at the given x and y location Return the index of the remove point if an...
vtkPiecewiseFunctionInternals * Internal
void FillFromDataPointer(int, double *)
Returns a pointer to the data stored in the table.
void SetUseCustomSearchMethod(bool use)
void BuildFunctionFromTable(double x1, double x2, int size, double *table, int stride=1)
Constructs a piecewise function from a table.
int GetSize()
Get the number of points used to specify the function.
void SetCustomSearchMethod(int type)
~vtkPiecewiseFunction() override
void Initialize() override
Clears out the current function.
bool UpdateRange()
Returns true if the range has been updated and Modified() has been called.
void RemoveAllPoints()
Removes all points from the function.
void DeepCopy(vtkDataObject *f) override
The goal of the method is to copy the complete data from src into this object.
static vtkPiecewiseFunction * New()
const char * GetType()
Return the type of function: Function Types: 0 : Constant (No change in slope between end points) 1 :...
double FindMinimumXDistance()
Traverses the nodes to find the minimum distance.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
static vtkPiecewiseFunction * GetData(vtkInformation *info)
Retrieve an instance of this class from an information object.
void AddSegment(double x1, double y1, double x2, double y2)
Add a line segment to the function.
int EstimateMinNumberOfSamples(double const &x1, double const &x2)
Estimates the minimum size of a table such that it would correctly sample this function.
bool RemovePointByIndex(size_t id)
Remove a point from the function at a given id Return true if point has been found and removed,...
void SortAndUpdateRange(bool updateSearchMethod=true)
Internal methods to sort the vector and update the Range whenever a node is added,...
int GetNodeValue(int index, double val[4])
For the node specified by index, set/get the location (X), value (Y), midpoint, and sharpness values ...
int GetDataObjectType() override
Return what type of dataset this is.
void ShallowCopy(vtkDataObject *f) override
The goal of the method is to copy the data up to the array pointers only.
auto Range(IterablePtr iterable, Options &&... opts) -> typename detail::IterableTraits< typename detail::StripPointers< IterablePtr >::type >::RangeType
Generate an iterable STL proxy object for a VTK container.
#define VTK_PIECEWISE_FUNCTION