VTK  9.0.1
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 
42 class VTKRENDERINGCORE_EXPORT vtkWindowLevelLookupTable : public vtkLookupTable
43 {
44 public:
47  void PrintSelf(ostream& os, vtkIndent indent) override;
48 
53  void Build() 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 
115 protected:
116  vtkWindowLevelLookupTable(int sze = 256, int ext = 256);
118 
119  double Window;
120  double Level;
122  double MaximumTableValue[4];
123  double MinimumTableValue[4];
124 
125 private:
127  void operator=(const vtkWindowLevelLookupTable&) = delete;
128 };
129 
130 #endif
a simple class to control print indentation
Definition: vtkIndent.h:34
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
void Build() override
Generate lookup table as a linear ramp between MinimumTableValue and MaximumTableValue.
void SetInverseVideo(vtkTypeBool iv)
Set inverse video on or off.
static vtkWindowLevelLookupTable * New()
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.
void SetWindow(double window)
Set the window for the lookup table.
@ level
Definition: vtkX3D.h:401
int vtkTypeBool
Definition: vtkABI.h:69