157 #ifndef vtkLookupTable_h
158 #define vtkLookupTable_h
160 #include "vtkCommonCoreModule.h"
165 #define VTK_RAMP_LINEAR 0
166 #define VTK_RAMP_SCURVE 1
167 #define VTK_RAMP_SQRT 2
168 #define VTK_SCALE_LINEAR 0
169 #define VTK_SCALE_LOG10 1
171 VTK_ABI_NAMESPACE_BEGIN
247 vtkSetMacro(Ramp,
int);
251 vtkGetMacro(Ramp,
int);
263 vtkGetMacro(Scale,
int);
277 vtkGetVectorMacro(TableRange,
double, 2);
285 vtkSetVector2Macro(HueRange,
double);
286 vtkGetVector2Macro(HueRange,
double);
294 vtkSetVector2Macro(SaturationRange,
double);
295 vtkGetVector2Macro(SaturationRange,
double);
303 vtkSetVector2Macro(ValueRange,
double);
304 vtkGetVector2Macro(ValueRange,
double);
312 vtkSetVector2Macro(AlphaRange,
double);
313 vtkGetVector2Macro(AlphaRange,
double);
321 vtkSetVector4Macro(NanColor,
double);
322 vtkGetVector4Macro(NanColor,
double);
341 vtkSetVector4Macro(BelowRangeColor,
double);
342 vtkGetVector4Macro(BelowRangeColor,
double);
359 vtkSetVector4Macro(AboveRangeColor,
double);
360 vtkGetVector4Macro(AboveRangeColor,
double);
450 unsigned char* WritePointer(
vtkIdType id,
int number);
458 void SetRange(
double min,
double max)
override { this->SetTableRange(min,
max); }
502 int numberOfValues,
int inputIncrement,
int outputFormat)
override;
535 double TableRange[2];
537 double SaturationRange[2];
538 double ValueRange[2];
539 double AlphaRange[2];
541 double BelowRangeColor[4];
543 double AboveRangeColor[4];
551 unsigned char NanColorChar[4];
574 VTK_ABI_NAMESPACE_END
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.
vtkTypeBool IsOpaque(vtkAbstractArray *scalars, int colorMode, int component, vtkUnsignedCharArray *ghosts, unsigned char ghostsToSkip=0xff) override
Return true if all of the values defining the mapping have an opacity equal to 1.
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...
vtkTypeBool IsOpaque() override
Return true if all of the values defining the mapping have an opacity equal to 1.
vtkIdType GetNumberOfAvailableColors() override
Get the number of available colors for mapping to.
static vtkLookupTable * New()
Construct with range=[0,1]; and hsv ranges set up for rainbow color table (from red to blue).
static const vtkIdType NUMBER_OF_SPECIAL_COLORS
Constants for offsets of special colors (e.g., NanColor, BelowRangeColor, AboveRangeColor) from the m...
void GetIndexedColor(vtkIdType idx, double rgba[4]) override
Return a color given an integer index.
vtkTimeStamp OpaqueFlagBuildTime
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.
double * GetTableValue(vtkIdType indx)
Return an RGBA color value for the given index into the 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.
unsigned char * GetNanColorAsUnsignedChars()
Return the NanColor as a pointer to 4 unsigned chars.
vtkTypeBool 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 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.
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.
vtkTypeBool UsingLogScale() override
This should return 1 if the subclass is using log scale for mapping scalars to colors.
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.
double * GetRange() override
Sets/Gets the range of scalars which will be mapped.
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.
const unsigned char * MapValue(double v) override
Map one value through the lookup table, returning an RBGA[4] color.
vtkLookupTable(int sze=256, int ext=256)
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.
unsigned char * GetPointer(vtkIdType id)
Get pointer to color table data.
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.
vtkTypeBool UseAboveRangeColor
vtkTypeBool UseBelowRangeColor
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(...)