VTK  9.2.5
vtkImageReader.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkImageReader.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 =========================================================================*/
52 #ifndef vtkImageReader_h
53 #define vtkImageReader_h
54 
55 #include "vtkIOImageModule.h" // For export macro
56 #include "vtkImageReader2.h"
57 
58 class vtkTransform;
59 
60 #define VTK_FILE_BYTE_ORDER_BIG_ENDIAN 0
61 #define VTK_FILE_BYTE_ORDER_LITTLE_ENDIAN 1
62 
63 class VTKIOIMAGE_EXPORT vtkImageReader : public vtkImageReader2
64 {
65 public:
66  static vtkImageReader* New();
68  void PrintSelf(ostream& os, vtkIndent indent) override;
69 
71 
75  vtkSetVector6Macro(DataVOI, int);
76  vtkGetVector6Macro(DataVOI, int);
78 
80 
87  vtkGetMacro(DataMask, vtkTypeUInt64);
88  vtkSetMacro(DataMask, vtkTypeUInt64);
90 
92 
97  virtual void SetTransform(vtkTransform*);
98  vtkGetObjectMacro(Transform, vtkTransform);
100 
101  // Warning !!!
102  // following should only be used by methods or template helpers, not users
103  void ComputeInverseTransformedExtent(int inExtent[6], int outExtent[6]);
105 
106  int OpenAndSeekFile(int extent[6], int slice);
107 
109 
112  vtkSetStringMacro(ScalarArrayName);
113  vtkGetStringMacro(ScalarArrayName);
115 
122  int CanReadFile(VTK_FILEPATH const char*) override
123  {
124  return 1; // I think I can read the file but I cannot prove it
125  }
126 
127 protected:
129  ~vtkImageReader() override;
130 
131  vtkTypeUInt64 DataMask;
132 
134 
135  void ComputeTransformedSpacing(double Spacing[3]);
136  void ComputeTransformedOrigin(double origin[3]);
137  void ComputeTransformedExtent(int inExtent[6], int outExtent[6]);
138  void ComputeTransformedIncrements(vtkIdType inIncr[3], vtkIdType outIncr[3]);
139 
140  int DataVOI[6];
141 
143 
145  vtkInformationVector* outputVector) override;
146 
148 
149 private:
150  vtkImageReader(const vtkImageReader&) = delete;
151  void operator=(const vtkImageReader&) = delete;
152 };
153 
154 #endif
general representation of visualization data
Superclass of binary file readers.
Superclass of transformable binary file readers.
void ComputeTransformedExtent(int inExtent[6], int outExtent[6])
static vtkImageReader * New()
int CanReadFile(VTK_FILEPATH const char *) override
vtkImageReader itself can read raw binary files.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
~vtkImageReader() override
void ComputeInverseTransformedExtent(int inExtent[6], int outExtent[6])
void ComputeTransformedSpacing(double Spacing[3])
int RequestInformation(vtkInformation *request, vtkInformationVector **inputVector, vtkInformationVector *outputVector) override
Subclasses can reimplement this method to collect information from their inputs and set information f...
int OpenAndSeekFile(int extent[6], int slice)
char * ScalarArrayName
void ExecuteDataWithInformation(vtkDataObject *data, vtkInformation *outInfo) override
This is a convenience method that is implemented in many subclasses instead of RequestData.
virtual void SetTransform(vtkTransform *)
Set/Get transformation matrix to transform the data from slice space into world space.
void ComputeTransformedOrigin(double origin[3])
void ComputeInverseTransformedIncrements(vtkIdType inIncr[3], vtkIdType outIncr[3])
vtkTypeUInt64 DataMask
void ComputeTransformedIncrements(vtkIdType inIncr[3], vtkIdType outIncr[3])
vtkTransform * Transform
a simple class to control print indentation
Definition: vtkIndent.h:119
Store zero or more vtkInformation instances.
Store vtkAlgorithm input/output information.
describes linear transformations via a 4x4 matrix
Definition: vtkTransform.h:170
@ Transform
Definition: vtkX3D.h:47
@ extent
Definition: vtkX3D.h:351
@ data
Definition: vtkX3D.h:321
int vtkIdType
Definition: vtkType.h:332
#define VTK_FILEPATH