163#ifndef vtkLookupTable_h
164#define vtkLookupTable_h
166#include "vtkCommonCoreModule.h"
171#define VTK_RAMP_LINEAR 0
172#define VTK_RAMP_SCURVE 1
173#define VTK_RAMP_SQRT 2
174#define VTK_SCALE_LINEAR 0
175#define VTK_SCALE_LOG10 1
250 vtkSetMacro(Ramp,
int);
254 vtkGetMacro(Ramp,
int);
266 vtkGetMacro(Scale,
int);
280 vtkGetVectorMacro(TableRange,
double, 2);
288 vtkSetVector2Macro(HueRange,
double);
289 vtkGetVector2Macro(HueRange,
double);
297 vtkSetVector2Macro(SaturationRange,
double);
298 vtkGetVector2Macro(SaturationRange,
double);
306 vtkSetVector2Macro(ValueRange,
double);
307 vtkGetVector2Macro(ValueRange,
double);
315 vtkSetVector2Macro(AlphaRange,
double);
316 vtkGetVector2Macro(AlphaRange,
double);
324 vtkSetVector4Macro(NanColor,
double);
325 vtkGetVector4Macro(NanColor,
double);
344 vtkSetVector4Macro(BelowRangeColor,
double);
345 vtkGetVector4Macro(BelowRangeColor,
double);
362 vtkSetVector4Macro(AboveRangeColor,
double);
363 vtkGetVector4Macro(AboveRangeColor,
double);
453 unsigned char* WritePointer(
vtkIdType id,
int number);
461 void SetRange(
double min,
double max)
override { this->SetTableRange(min,
max); }
471 static void GetLogRange(
const double range[2],
double log_range[2]);
476 static double ApplyLogScale(
double v,
const double range[2],
const double log_range[2]);
505 int numberOfValues,
int inputIncrement,
int outputFormat)
override;
538 double TableRange[2];
540 double SaturationRange[2];
541 double ValueRange[2];
542 double AlphaRange[2];
544 double BelowRangeColor[4];
546 double AboveRangeColor[4];
554 unsigned char NanColorChar[4];
ValueType * WritePointer(vtkIdType valueIdx, vtkIdType numValues)
Get the address of a particular data index.
Abstract superclass for all arrays.
a simple class to control print indentation
map scalar values into colors via a lookup table
void SetScaleToLinear()
Set the type of scale to use, linear or logarithmic.
virtual void ForceBuild()
Force the lookup table to regenerate from hue, saturation, value, and alpha min/max values.
static const vtkIdType ABOVE_RANGE_COLOR_INDEX
Constants for offsets of special colors (e.g., NanColor, BelowRangeColor, AboveRangeColor) from the m...
double GetOpacity(double v) override
Map one value through the lookup table and return the alpha value (the opacity) as a double between 0...
vtkIdType GetNumberOfAvailableColors() override
Get the number of available colors for mapping to.
static const vtkIdType NUMBER_OF_SPECIAL_COLORS
Constants for offsets of special colors (e.g., NanColor, BelowRangeColor, AboveRangeColor) from the m...
int UsingLogScale() override
This should return 1 if the subclass is using log scale for mapping scalars to colors.
void GetIndexedColor(vtkIdType idx, double rgba[4]) override
Return a color given an integer index.
static vtkLookupTable * New()
Construct with range=[0,1]; and hsv ranges set up for rainbow color table (from red to blue).
vtkTimeStamp OpaqueFlagBuildTime
int IsOpaque(vtkAbstractArray *scalars, int colorMode, int component) override
Return true if all of the values defining the mapping have an opacity equal to 1.
void ResizeTableForSpecialColors()
Resize the LookupTable to have enough room for the out-of-range colors.
static void GetColorAsUnsignedChars(const double colorIn[4], unsigned char colorOut[4])
Given an RGBA[4] color in the [0,1] range, convert it to RGBA[4] in the [0,255] range.
virtual void SetTableValue(vtkIdType indx, const double rgba[4])
Directly load color into lookup table.
static const vtkIdType BELOW_RANGE_COLOR_INDEX
Constants for offsets of special colors (e.g., NanColor, BelowRangeColor, AboveRangeColor) from the m...
void SetNumberOfTableValues(vtkIdType number)
Specify the number of values (i.e., colors) in the lookup table.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
void DeepCopy(vtkScalarsToColors *obj) override
Copy the contents from another LookupTable.
static const vtkIdType REPEATED_LAST_COLOR_INDEX
Constants for offsets of special colors (e.g., NanColor, BelowRangeColor, AboveRangeColor) from the m...
int Allocate(int sz=256, int ext=256)
Allocate a color table of specified size.
double * GetTableValue(vtkIdType indx)
Return an RGBA color value for the given index into the lookup table.
void BuildSpecialColors()
Copies the "special" colors into the given table.
virtual void SetTableValue(vtkIdType indx, double r, double g, double b, double a=1.0)
Directly load color into lookup table.
const unsigned char * MapValue(double v) override
Map one value through the lookup table, returning an RBGA[4] color.
void MapScalarsThroughTable2(void *input, unsigned char *output, int inputDataType, int numberOfValues, int inputIncrement, int outputFormat) override
Map a set of scalars through the lookup table.
virtual vtkIdType GetIndex(double v)
Return the table index associated with a particular value.
void SetRampToLinear()
Set the shape of the table ramp to either S-curve, linear, or sqrt.
virtual void SetTableRange(double min, double max)
Set/Get the minimum/maximum scalar values for scalar mapping.
void SetRampToSQRT()
Set the shape of the table ramp to either S-curve, linear, or sqrt.
void SetRange(const double rng[2]) override
Sets/Gets the range of scalars which will be mapped.
vtkUnsignedCharArray * Table
void SetScaleToLog10()
Set the type of scale to use, linear or logarithmic.
void SetRange(double min, double max) override
Sets/Gets the range of scalars which will be mapped.
void SetRampToSCurve()
Set the shape of the table ramp to either S-curve, linear, or sqrt.
unsigned char * WritePointer(vtkIdType id, int number)
Get pointer to data.
static void GetLogRange(const double range[2], double log_range[2])
Returns the log of range in log_range.
void GetColor(double v, double rgb[3]) override
Map one value through the lookup table and return the color as an RGB[3] array of doubles between 0 a...
void SetTable(vtkUnsignedCharArray *)
Set/Get the internal table array that is used to map the scalars to colors.
vtkLookupTable(int sze=256, int ext=256)
unsigned char * GetPointer(vtkIdType id)
Get pointer to color table data.
void SetScale(int scale)
Set the type of scale to use, linear or logarithmic.
vtkIdType GetNumberOfTableValues()
Specify the number of values (i.e., colors) in the lookup table.
void GetTableValue(vtkIdType indx, double rgba[4])
Return an RGBA color value for the given index into the lookup table.
vtkTimeStamp SpecialColorsBuildTime
static double ApplyLogScale(double v, const double range[2], const double log_range[2])
Apply log to value, with appropriate constraints.
virtual void SetTableRange(const double r[2])
Set/Get the minimum/maximum scalar values for scalar mapping.
~vtkLookupTable() override
void Build() override
Generate lookup table from hue, saturation, value, alpha min/max values.
unsigned char * GetNanColorAsUnsignedChars()
Return the NanColor as a pointer to 4 unsigned chars.
vtkTypeBool UseAboveRangeColor
double * GetRange() override
Sets/Gets the range of scalars which will be mapped.
vtkTypeBool UseBelowRangeColor
int IsOpaque() override
Return true if all of the values defining the mapping have an opacity equal to 1.
static const vtkIdType NAN_COLOR_INDEX
Constants for offsets of special colors (e.g., NanColor, BelowRangeColor, AboveRangeColor) from the m...
Superclass for mapping scalar values to colors.
record modification and/or execution time
void Modified()
Set this objects time to the current time.
dynamic, self-adjusting array of unsigned char
#define VTK_SIZEHINT(...)