Go to the documentation of this file.
36 #ifndef vtkColorTransferFunction_h
37 #define vtkColorTransferFunction_h
39 #include "vtkRenderingCoreModule.h"
42 class vtkColorTransferFunctionInternals;
47 #define VTK_CTF_DIVERGING 3
48 #define VTK_CTF_LAB_CIEDE2000 4
49 #define VTK_CTF_STEP 5
51 #define VTK_CTF_LINEAR 0
52 #define VTK_CTF_LOG10 1
79 int AddRGBPoint(
double x,
double r,
double g,
double b);
80 int AddRGBPoint(
double x,
double r,
double g,
double b,
double midpoint,
double sharpness);
81 int AddHSVPoint(
double x,
double h,
double s,
double v);
82 int AddHSVPoint(
double x,
double h,
double s,
double v,
double midpoint,
double sharpness);
83 int RemovePoint(
double x);
91 void AddRGBSegment(
double x1,
99 void AddHSVSegment(
double x1,
112 void RemoveAllPoints();
118 void GetColor(
double x,
double rgb[3])
override;
124 double GetRedValue(
double x);
125 double GetGreenValue(
double x);
126 double GetBlueValue(
double x);
135 int GetNodeValue(
int index,
double val[6]);
136 int SetNodeValue(
int index,
double val[6]);
142 const unsigned char*
MapValue(
double v)
override;
151 arg1 = this->Range[0];
152 arg2 = this->Range[1];
162 int AdjustRange(
double range[2]);
171 void GetTable(
double x1,
double x2,
int n,
double* table);
172 void GetTable(
double x1,
double x2,
int n,
float* table);
173 const unsigned char* GetTable(
double x1,
double x2,
int n);
185 void BuildFunctionFromTable(
double x1,
double x2,
int size,
double* table);
221 vtkGetMacro(ColorSpace,
int);
233 vtkSetMacro(Scale,
int);
236 vtkGetMacro(Scale,
int);
245 vtkSetVector3Macro(NanColor,
double);
246 vtkGetVector3Macro(NanColor,
double);
254 vtkSetMacro(NanOpacity,
double);
255 vtkGetMacro(NanOpacity,
double);
266 this->SetNanColor(r, g, b);
267 this->SetNanOpacity(a);
272 this->SetNanColorRGBA(rgba[0], rgba[1], rgba[2], rgba[3]);
281 vtkSetVector3Macro(BelowRangeColor,
double);
282 vtkGetVector3Macro(BelowRangeColor,
double);
299 vtkSetVector3Macro(AboveRangeColor,
double);
300 vtkGetVector3Macro(AboveRangeColor,
double);
319 double* GetDataPointer();
326 void FillFromDataPointer(
int n,
double* ptr);
332 unsigned char* output,
336 int outputIncrement)
override;
345 vtkBooleanMacro(AllowDuplicateScalars,
vtkTypeBool);
365 int EstimateMinNumberOfSamples(
double const& x1,
double const& x2);
409 double BelowRangeColor[3];
419 double AboveRangeColor[3];
439 unsigned char UnsignedCharRGBAValue[4];
467 void SortAndUpdateRange();
479 void MovePoint(
double oldX,
double newX);
484 double FindMinimumXDistance();
void SetColorSpaceToStep()
virtual void GetRange(double _arg[2])
double * GetColor(double x)
Returns an RGB color for the specified scalar value.
void SetNanColorRGBA(double rgba[4])
vtkTypeBool UseBelowRangeColor
Flag indicating whether below-range color should be used.
void SetRange(double, double) override
Set the range of scalars being mapped.
vtkTypeBool AllowDuplicateScalars
If on, the same scalar value may have more than one node assigned to it.
void SetRange(const double rng[2]) 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.
record modification and/or execution time
void SetColorSpaceToDiverging()
vtkColorTransferFunctionInternals * Internal
int Scale
The color interpolation scale (linear or logarithmic).
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
double NanOpacity
The opacity to use for not-a-number.
Defines a transfer function for mapping a property to an RGB color value.
virtual void GetIndexedColor(vtkIdType i, double rgba[4])
Get the "indexed color" assigned to an index.
void SetColorSpaceToLab()
#define VTK_CTF_LAB_CIEDE2000
#define VTK_SIZEHINT(...)
virtual void DeepCopy(vtkScalarsToColors *o)
Copy the contents from another object.
void SetColorSpaceToRGB()
a simple class to control print indentation
int TableSize
Temporary storage for the size of the table.
vtkTypeBool UseAboveRangeColor
Flag indicating whether below-range color should be used.
Superclass for mapping scalar values to colors.
virtual const unsigned char * MapValue(double v)
Map one value through the lookup table and return a color defined as an RGBA unsigned char tuple (4 b...
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...
virtual vtkIdType GetNumberOfAvailableColors()
Get the number of available colors for mapping to.
int ColorSpace
The color space in which interpolation is performed.
double * GetRange() override
Returns min and max position of all function points.
vtkTypeBool Clamping
Determines the function value outside of defined points Zero = always return 0.0 outside of defined p...
void SetColorSpaceToHSV()
virtual void MapScalarsThroughTable2(void *input, unsigned char *output, int inputDataType, int numberOfValues, int inputIncrement, int outputFormat)
An internal method typically not used in applications.
void SetColorSpaceToLabCIEDE2000()
virtual void GetRange(double &arg1, double &arg2)
static vtkScalarsToColors * New()
double * Function
Temporary array to store data from the nodes.
#define VTK_CTF_DIVERGING
vtkTypeBool HSVWrap
Specify if HSV is wrap or not.