VTK  9.2.5
vtkWindowLevelLookupTable.h
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1/*=========================================================================
2
3 Program: Visualization Toolkit
4 Module: vtkWindowLevelLookupTable.h
5
6 Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
7 All rights reserved.
8 See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
9
10 This software is distributed WITHOUT ANY WARRANTY; without even
11 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12 PURPOSE. See the above copyright notice for more information.
13
14=========================================================================*/
36#ifndef vtkWindowLevelLookupTable_h
37#define vtkWindowLevelLookupTable_h
38
39#include "vtkLookupTable.h"
40#include "vtkRenderingCoreModule.h" // For export macro
41
42class VTKRENDERINGCORE_EXPORT vtkWindowLevelLookupTable : public vtkLookupTable
43{
44public:
47 void PrintSelf(ostream& os, vtkIndent indent) override;
48
53 void ForceBuild() override;
54
56
60 void SetWindow(double window)
61 {
62 if (window < 1e-5)
63 {
64 window = 1e-5;
65 }
66 this->Window = window;
67 this->SetTableRange(this->Level - this->Window / 2.0, this->Level + this->Window / 2.0);
68 }
69 vtkGetMacro(Window, double);
71
73
77 void SetLevel(double level)
78 {
79 this->Level = level;
80 this->SetTableRange(this->Level - this->Window / 2.0, this->Level + this->Window / 2.0);
81 }
82 vtkGetMacro(Level, double);
84
86
91 vtkGetMacro(InverseVideo, vtkTypeBool);
92 vtkBooleanMacro(InverseVideo, vtkTypeBool);
94
96
101 vtkSetVector4Macro(MinimumTableValue, double);
102 vtkGetVector4Macro(MinimumTableValue, double);
104
106
111 vtkSetVector4Macro(MaximumTableValue, double);
112 vtkGetVector4Macro(MaximumTableValue, double);
114
115protected:
116 vtkWindowLevelLookupTable(int sze = 256, int ext = 256);
117 ~vtkWindowLevelLookupTable() override = default;
118
119 double Window;
120 double Level;
122 double MaximumTableValue[4];
123 double MinimumTableValue[4];
124
125private:
127 void operator=(const vtkWindowLevelLookupTable&) = delete;
128};
129
130#endif
a simple class to control print indentation
Definition: vtkIndent.h:40
map scalar values into colors via a lookup table
virtual void SetTableRange(const double r[2])
Set/Get the minimum/maximum scalar values for scalar mapping.
map scalar values into colors or colors to scalars; generate color table
~vtkWindowLevelLookupTable() override=default
void SetInverseVideo(vtkTypeBool iv)
Set inverse video on or off.
vtkWindowLevelLookupTable(int sze=256, int ext=256)
void SetLevel(double level)
Set the Level for the lookup table.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
static vtkWindowLevelLookupTable * New()
void SetWindow(double window)
Set the window for the lookup table.
void ForceBuild() override
Generate lookup table as a linear ramp between MinimumTableValue and MaximumTableValue.
int vtkTypeBool
Definition: vtkABI.h:69