/usr/include/vtkDICOMCTRectifier.h is in libvtk-dicom-dev 0.7.4-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 | /*=========================================================================
Program: DICOM for VTK
Copyright (c) 2012-2015 David Gobbi
All rights reserved.
See Copyright.txt or http://dgobbi.github.io/bsd3.txt for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
// .NAME vtkDICOMCTRectifier - Prepare a CT for 3D processing
// .SECTION Description
// This class will identify gantry-tilted CT images and resample them
// into a rectangular volume. This is often a necessary step prior to
// volume rendering or other forms of 3D rendering.
#ifndef vtkDICOMCTRectifier_h
#define vtkDICOMCTRectifier_h
#include "vtkDICOMAlgorithm.h"
#include "vtkDICOMModule.h" // For export macro
class vtkMatrix4x4;
//----------------------------------------------------------------------------
class VTKDICOM_EXPORT vtkDICOMCTRectifier : public vtkDICOMAlgorithm
{
public:
// Description:
// Static method for construction.
static vtkDICOMCTRectifier *New();
vtkTypeMacro(vtkDICOMCTRectifier, vtkDICOMAlgorithm);
// Description:
// Print information about this object.
virtual void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// Reverse the default operation.
// When this option is set, the filter takes a rectangular volume
// as input, and produces a volume whose geometry matches the
// VolumeMatrix.
void SetReverse(int v);
void ReverseOn() { this->SetReverse(1); }
void ReverseOff() { this->SetReverse(0); }
int GetReverse() { return this->Reverse; }
// Description:
// Set the matrix that describes the CT volume geometry.
// This should be set to the PatientMatrix that comes from the
// vtkDICOMReader.
void SetVolumeMatrix(vtkMatrix4x4 *matrix);
vtkMatrix4x4 *GetVolumeMatrix() { return this->VolumeMatrix; }
// Description:
// Get the matrix that describes the rectified geometry.
// This matrix is generated when any of these methods is called:
// Update(), UpdateInformation(), or UpdateMatrix().
vtkMatrix4x4 *GetRectifiedMatrix() { return this->RectifiedMatrix; }
// Description:
// Update the RectifiedMatrix without updating the output data.
// The input data must be set before this is called.
void UpdateMatrix();
// Description:
// A static method to measure the tilt from a matrix.
// This can be used to see whether it is necessary to rectify the
// volume. It returns the Gantry Detector Tilt angle, in degrees,
// as computed from the shear in the volume matrix.
static double GetGantryDetectorTilt(vtkMatrix4x4 *volumeMatrix);
protected:
vtkDICOMCTRectifier();
~vtkDICOMCTRectifier();
// Description:
// Compute the rectified matrix from the given volume matrix.
// The extent, spacing, and origin of the image must also be given,
// and they will be adjusted as necessary.
void ComputeMatrix(
const double matrix[16], const int extent[6], double spacing[3],
double origin[3]);
virtual int RequestInformation(
vtkInformation* request, vtkInformationVector** inputVector,
vtkInformationVector* outputVector);
virtual int RequestUpdateExtent(
vtkInformation* request, vtkInformationVector** inputVector,
vtkInformationVector* outputVector);
virtual int RequestData(
vtkInformation* request, vtkInformationVector** inputVector,
vtkInformationVector* outputVector);
virtual void ThreadedRequestData(
vtkInformation *request, vtkInformationVector **inputVector,
vtkInformationVector *outputVector, vtkImageData ***inData,
vtkImageData **outData, int ext[6], int id);
vtkMatrix4x4 *VolumeMatrix;
vtkMatrix4x4 *RectifiedMatrix;
vtkMatrix4x4 *Matrix;
int Reverse;
private:
vtkDICOMCTRectifier(const vtkDICOMCTRectifier&); // Not implemented.
void operator=(const vtkDICOMCTRectifier&); // Not implemented.
};
#endif // vtkDICOMCTRectifier_h
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