42#ifndef vtkColorTransferFunction_h
43#define vtkColorTransferFunction_h
45#include "vtkRenderingCoreModule.h"
48class vtkColorTransferFunctionInternals;
54#define VTK_CTF_DIVERGING 3
55#define VTK_CTF_LAB_CIEDE2000 4
58#define VTK_CTF_LINEAR 0
59#define VTK_CTF_LOG10 1
87 int AddRGBPoint(
double x,
double r,
double g,
double b,
double midpoint,
double sharpness);
91 int AddHSVPoint(
double x,
double h,
double s,
double v,
double midpoint,
double sharpness);
101 double x1,
double r1,
double g1,
double b1,
double x2,
double r2,
double g2,
double b2);
103 double x1,
double h1,
double s1,
double v1,
double x2,
double h2,
double s2,
double v2);
148 arg1 = this->
Range[0];
149 arg2 = this->
Range[1];
168 void GetTable(
double x1,
double x2,
int n,
double* table);
169 void GetTable(
double x1,
double x2,
int n,
float* table);
170 const unsigned char*
GetTable(
double x1,
double x2,
int n);
329 int numberOfValues,
int inputIncrement,
int outputIncrement)
override;
virtual void SetNanColorRGBA(double r, double g, double b, double a)
Set the RGBA color to use when a NaN (not a number) is encountered.
void GetTable(double x1, double x2, int n, double *table)
Fills in a table of n colors mapped from values mapped with even spacing between x1 and x2,...
int Scale
The color interpolation scale (linear or logarithmic).
void BuildFunctionFromTable(double x1, double x2, int size, double *table)
Construct a color transfer function from a table.
void DeepCopy(vtkScalarsToColors *f) override
Copy the contents from another object.
void RemoveAllPoints()
Remove all points.
virtual void SetColorSpace(int)
Set/Get the color space used for interpolation: RGB, HSV, CIELAB, Diverging or Step.
void AddHSVSegment(double x1, double h1, double s1, double v1, double x2, double h2, double s2, double v2)
Add two points to the function and remove all the points between them.
void SetNanColorRGBA(double rgba[4])
Set the RGBA color to use when a NaN (not a number) is encountered.
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.
int AddHSVPoint(double x, double h, double s, double v)
Add/Remove a point to/from the function defined in RGB or HSV Return the index of the point (0 based)...
void GetTable(double x1, double x2, int n, float *table)
Fills in a table of n colors mapped from values mapped with even spacing between x1 and x2,...
int RemovePoint(double x)
Add/Remove a point to/from the function defined in RGB or HSV Return the index of the point (0 based)...
double NanColor[3]
The color to use for not-a-number.
int TableSize
Temporary storage for the size of the table.
void PrintSelf(ostream &os, vtkIndent indent) override
Print method for vtkColorTransferFunction.
~vtkColorTransferFunction() override
int AddRGBPoints(vtkDoubleArray *x, vtkDoubleArray *rgbColors, double midpoint, double sharpness)
Add/Remove a point to/from the function defined in RGB or HSV Return the index of the point (0 based)...
int EstimateMinNumberOfSamples(double const &x1, double const &x2)
Estimates the minimum size of a table such that it would correctly sample this function.
void SetScaleToLog10()
Set the type of scale to use, linear or logarithmic.
double NanOpacity
The opacity to use for not-a-number.
double GetRedValue(double x)
Get the color components individually.
vtkIdType GetNumberOfAvailableColors() override
Get the number of available colors for mapping to.
unsigned char UnsignedCharRGBAValue[4]
Temporary storage for an evaluated color (0 to 255 RGBA A=255)
int ColorSpace
The color space in which interpolation is performed.
void MapScalarsThroughTable2(void *input, unsigned char *output, int inputDataType, int numberOfValues, int inputIncrement, int outputIncrement) override
Map a set of scalars through the lookup table.
void SetColorSpaceToHSV()
Set/Get the color space used for interpolation: RGB, HSV, CIELAB, Diverging or Step.
int AddRGBPoint(double x, double r, double g, double b, double midpoint, double sharpness)
Add/Remove a point to/from the function defined in RGB or HSV Return the index of the point (0 based)...
const unsigned char * MapValue(double v) override
Map one value through the lookup table.
double * GetDataPointer()
Returns a pointer to an array of all node values in an interleaved array with the layout [X1,...
int AddRGBPoints(vtkDoubleArray *x, vtkDoubleArray *rgbColors)
Add/Remove a point to/from the function defined in RGB or HSV Return the index of the point (0 based)...
double BelowRangeColor[3]
The below-range color.
int GetSize()
How many nodes define this function?
void SetColorSpaceToDiverging()
Set/Get the color space used for interpolation: RGB, HSV, CIELAB, Diverging or Step.
vtkColorTransferFunctionInternals * Internal
int AddHSVPoint(double x, double h, double s, double v, double midpoint, double sharpness)
Add/Remove a point to/from the function defined in RGB or HSV Return the index of the point (0 based)...
void MovePoint(double oldX, double newX)
Moves point from oldX to newX.
static vtkColorTransferFunction * New()
double * GetColor(double x)
Returns an RGB color for the specified scalar value.
int GetNodeValue(int index, double val[6])
For the node specified by index, set/get the location (X), R, G, and B values, midpoint,...
double Range[2]
The min and max node locations.
double FindMinimumXDistance()
Traverses the nodes to find the minimum distance.
void SetRange(const double rng[2]) override
Sets/Gets the range of scalars that will be mapped.
virtual void GetRange(double &arg1, double &arg2)
Returns min and max position of all function points.
void SetScaleToLinear()
Set the type of scale to use, linear or logarithmic.
double AboveRangeColor[3]
The above-range color.
int AddRGBPoint(double x, double r, double g, double b)
Add/Remove a point to/from the function defined in RGB or HSV Return the index of the point (0 based)...
virtual void SetNanColor(double, double, double)
Set the RGB color to use when a NaN (not a number) is encountered.
void SetColorSpaceToLab()
Set/Get the color space used for interpolation: RGB, HSV, CIELAB, Diverging or Step.
vtkTypeBool HSVWrap
Specify if HSV is wrap or not.
vtkColorTransferFunction()
double * Function
Temporary array to store data from the nodes.
void SetColorSpaceToStep()
Set/Get the color space used for interpolation: RGB, HSV, CIELAB, Diverging or Step.
const unsigned char * GetTable(double x1, double x2, int n)
Fills in a table of n colors mapped from values mapped with even spacing between x1 and x2,...
void AddRGBSegment(double x1, double r1, double g1, double b1, double x2, double r2, double g2, double b2)
Add two points to the function and remove all the points between them.
int SetNodeValue(int index, double val[6])
For the node specified by index, set/get the location (X), R, G, and B values, midpoint,...
double GetBlueValue(double x)
Get the color components individually.
double * GetRange() override
Returns min and max position of all function points.
void ShallowCopy(vtkColorTransferFunction *f)
void SetColorSpaceToLabCIEDE2000()
Set/Get the color space used for interpolation: RGB, HSV, CIELAB, Diverging or Step.
void FillFromDataPointer(int n, double *ptr)
Defines the nodes from an array ptr with the layout [X1, R1, G1, B1, X2, R2, G2, B2,...
vtkTypeBool UseAboveRangeColor
Flag indicating whether below-range color should be used.
vtkTypeBool UseBelowRangeColor
Flag indicating whether below-range color should be used.
vtkTypeBool Clamping
Determines the function value outside of defined points Zero = always return 0.0 outside of defined p...
void GetColor(double x, double rgb[3]) override
Map one value through the lookup table and store the color as an RGB array of doubles between 0 and 1...
vtkTypeBool AllowDuplicateScalars
If on, the same scalar value may have more than one node assigned to it.
void SetColorSpaceToRGB()
Set/Get the color space used for interpolation: RGB, HSV, CIELAB, Diverging or Step.
void SetRange(double, double) override
Set the range of scalars being mapped.
void SortAndUpdateRange()
Internal method to sort the vector and update the Range whenever a node is added, edited or removed I...
virtual void SetNanOpacity(double)
Get/Set the opacity to use when a NaN (not a number) is encountered.
void GetIndexedColor(vtkIdType idx, double rgba[4]) override
Return a color given an integer index.
virtual void GetRange(double _arg[2])
Returns min and max position of all function points.
bool UpdateRange()
Returns true if the range has been changed.
virtual void SetScale(int)
Set the type of scale to use, linear or logarithmic.
double GetGreenValue(double x)
Get the color components individually.
dynamic, self-adjusting array of double
a simple class to control print indentation
virtual void GetColor(double v, double rgb[3])
Map one value through the lookup table and store the color as an RGB array of doubles between 0 and 1...
Computes the portion of a dataset which is inside a selection.
record modification and/or execution time
#define VTK_CTF_DIVERGING
#define VTK_CTF_LAB_CIEDE2000
#define VTK_SIZEHINT(...)