1 /*****************************************************************************
5 ** Purpose: Header file for Projections class
6 ** Programmer: Kevin Rosenberg
7 ** Date Started: July 1, 1984
9 ** This is part of the CTSim program
10 ** Copyright (C) 1983-2000 Kevin Rosenberg
12 ** $Id: projections.h,v 1.7 2000/06/29 12:39:45 kevin Exp $
15 ** This program is free software; you can redistribute it and/or modify
16 ** it under the terms of the GNU General Public License (version 2) as
17 ** published by the Free Software Foundation.
19 ** This program is distributed in the hope that it will be useful,
20 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
21 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 ** GNU General Public License for more details.
24 ** You should have received a copy of the GNU General Public License
25 ** along with this program; if not, write to the Free Software
26 ** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 ******************************************************************************/
34 class Array2dFileLabel;
41 Projections (const int nView, const int nDet);
42 Projections (const Scanner& scanner);
46 void initFromScanner (const Scanner& scanner);
48 void printProjectionData (void);
49 void printScanInfo (void) const;
51 bool read (const char* fname);
52 bool write (const char* fname);
53 bool detarrayRead (fnetorderstream& fs, DetectorArray& darray, const int view_num);
54 bool detarrayWrite (fnetorderstream& fs, const DetectorArray& darray, const int view_num);
56 bool reconstruct (ImageFile& im, const char* const filterName, double filt_param, const char* const filterMethodName, const char* const interpName, int interp_param, const char* const backprojName, const int trace);
58 void setNView (int nView); // used in MPI to restrict # of views
59 void setRotInc (double rotInc) { m_rotInc = rotInc;}
60 void setDetInc (double detInc) { m_detInc = detInc;}
61 void setPhmLen (double phmLen) { m_phmLen = phmLen;}
62 void setCalcTime (double calcTime) {m_calcTime = calcTime;}
63 void setRemark (const char* remark) {m_remark = remark;}
64 void setRemark (const string remark) {m_remark = remark;}
66 const double detStart(void) const {return m_detStart;}
67 const double rotStart(void) const {return m_rotStart;}
68 const double calcTime(void) const {return m_calcTime;}
69 const double phmLen(void) const {return m_phmLen;}
70 const char* remark(void) const {return m_remark.c_str();}
71 const double detInc(void) const {return m_detInc;}
72 const double rotInc(void) const {return m_rotInc;}
73 const int nDet(void) const {return m_nDet;}
74 const int nView(void) const {return m_nView;}
75 const string& getFilename(void) const {return m_filename;}
76 Array2dFileLabel& getLabel(void) {return m_label;}
77 const Array2dFileLabel& getLabel(void) const {return m_label;}
79 DetectorArray& getDetectorArray (const int iview)
80 { return (*m_projData[iview]); }
83 int m_headerSize; // Size of disk file header
84 int m_geometry; // Geometry of scanner
85 struct DetectorArray **m_projData; // Pointer to array of detarray_st pointers
86 string m_remark; // description of raysum data
87 int m_nDet; // number of detectors in array
88 int m_nView; // number of rotated views
89 double m_calcTime; // time required to calculate raysums
90 double m_rotStart; // starting view rotation
91 double m_rotInc; // angle between rotations
92 double m_detStart; // distance of beginning detector to center phantom
93 double m_detInc; // increment between detectors
94 double m_phmLen; // Length of phantom edge (phm is square)
95 kuint32 m_year; // Creation date & time
102 Array2dFileLabel m_label;
104 const static kuint16 m_signature = ('P'*256 + 'J');
106 bool headerRead (void);
107 bool headerWrite (void);
108 bool headerRead (fnetorderstream& fs);
109 bool headerWrite (fnetorderstream& fs);
110 void newProjData (void);
111 void deleteProjData (void);
113 void init (const int nView, const int nDet);
115 // prevent default methods
116 Projections& operator= (const Projections& rhs); // assignment
117 Projections(const Projections& rhs); // copy