r122: *** empty log message ***

[ctsim.git] / libctsim / projections.cpp

diff --git a/libctsim/projections.cpp b/libctsim/projections.cpp
index cd151be0e18013b9936bd0103ecc7822ef832857..7b13546bf19ab8c711e8ae1baa81f05fd8ab5b5c 100644 (file)
--- a/libctsim/projections.cpp
+++ b/libctsim/projections.cpp
@@ -8,7 +8,7 @@
 **  This is part of the CTSim program
 **  Copyright (C) 1983-2000 Kevin Rosenberg
 **
-**  $Id: projections.cpp,v 1.5 2000/06/25 17:32:24 kevin Exp $
+**  $Id: projections.cpp,v 1.6 2000/06/27 10:48:11 kevin Exp $
 **
 **  This program is free software; you can redistribute it and/or modify
 **  it under the terms of the GNU General Public License (version 2) as
@@ -132,18 +132,26 @@ Projections::deleteProjData (void)
 
 
 /* NAME
- *    projections_write_header         Write data header for projections file
+ *    Projections::headerWwrite         Write data header for projections file
  *
  */
 
 bool 
 Projections::headerWrite (fnetorderstream& fs)
 {
-  kuint32 _hsize = m_headerSize;
+  kuint16 _hsize = m_headerSize;
+  kuint16 _signature = m_signature;
   kuint32 _nView = m_nView;
   kuint32 _nDet = m_nDet;
   kuint32 _geom = m_geometry;
-  kuint32 _remarksize = m_remark.length();
+  kuint16 _remarksize = m_remark.length();
+  kuint16 _year = m_year;
+  kuint16 _month = m_month;
+  kuint16 _day = m_day;
+  kuint16 _hour = m_hour;
+  kuint16 _minute = m_minute;
+  kuint16 _second = m_second;
+
   kfloat64 _calcTime = m_calcTime;
   kfloat64 _rotStart = m_rotStart;
   kfloat64 _rotInc = m_rotInc;
@@ -155,7 +163,8 @@ Projections::headerWrite (fnetorderstream& fs)
   if (! fs)
     return false;
 
-  fs.writeInt32 (_hsize);
+  fs.writeInt16 (_hsize);
+  fs.writeInt16 (_signature);
   fs.writeInt32 (_nView);
   fs.writeInt32 (_nDet);
   fs.writeInt32 (_geom);
@@ -165,13 +174,19 @@ Projections::headerWrite (fnetorderstream& fs)
   fs.writeFloat64 (_detStart);
   fs.writeFloat64 (_detInc);
   fs.writeFloat64 (_phmLen);
-  fs.writeInt32 (_remarksize);
+  fs.writeInt16 (_year);
+  fs.writeInt16 (_month);
+  fs.writeInt16 (_day);
+  fs.writeInt16 (_hour);
+  fs.writeInt16 (_minute);
+  fs.writeInt16 (_second);
+  fs.writeInt16 (_remarksize);
   fs.write (m_remark.c_str(), _remarksize);
 
   m_headerSize = fs.tellp();
   _hsize = m_headerSize;
   fs.seekp(0);
-  fs.writeInt32 (_hsize);
+  fs.writeInt16 (_hsize);
   if (! fs)
       return false;
   
@@ -185,24 +200,17 @@ Projections::headerWrite (fnetorderstream& fs)
 bool
 Projections::headerRead (fnetorderstream& fs)
 {
-  kuint32 _hsize;
-  kuint32 _nView;
-  kuint32 _nDet;
-  kuint32 _geom;
-  kuint32 _remarksize = 0;
-  kfloat64 _calcTime;
-  kfloat64 _rotStart;
-  kfloat64 _rotInc;
-  kfloat64 _detStart;
-  kfloat64 _detInc;
-  kfloat64 _phmLen;
+  kuint16 _hsize, _signature, _year, _month, _day, _hour, _minute, _second, _remarksize = 0;
+  kuint32 _nView, _nDet, _geom;
+  kfloat64 _calcTime, _rotStart, _rotInc, _detStart, _detInc, _phmLen;
   
   fs.seekg(0);
   if (! fs)
       return false;
 
   off_t testPos;
-  fs.readInt32 (_hsize);
+  fs.readInt16 (_hsize);
+  fs.readInt16 (_signature);
   fs.readInt32 (_nView);
   fs.readInt32 (_nDet);
   fs.readInt32 (_geom);
@@ -212,17 +220,24 @@ Projections::headerRead (fnetorderstream& fs)
   fs.readFloat64 (_detStart);
   fs.readFloat64 (_detInc);
   fs.readFloat64 (_phmLen);
-  fs.readInt32 (_remarksize);
-  if (_remarksize > 100000) {
-    sys_error (ERR_SEVERE, "Insane _remarksize %d [projections::headerRead]", _remarksize);
-    return false;
-  }
+  fs.readInt16 (_year);
+  fs.readInt16 (_month);
+  fs.readInt16 (_day);
+  fs.readInt16 (_hour);
+  fs.readInt16 (_minute);
+  fs.readInt16 (_second);
+  fs.readInt16 (_remarksize);
 
   if (! fs) {
       sys_error (ERR_SEVERE, "Error reading header information , _remarksize=%d [projections_read_header]", _remarksize);
       return false;
   }
 
+  if (_signature != m_signature) {
+    sys_error (ERR_SEVERE, "File %s does not have a valid projection file signature", m_filename.c_str());
+    return false;
+  }
+
   char remarkStorage[_remarksize+1];
   fs.read (remarkStorage, _remarksize);
   if (! fs) {
@@ -248,6 +263,17 @@ Projections::headerRead (fnetorderstream& fs)
   m_detStart = _detStart;
   m_detInc = _detInc;
   m_phmLen = _phmLen;
+  m_year = _year;
+  m_month = _month;
+  m_day = _day;
+  m_hour = _hour;
+  m_minute = _minute;
+  m_second = _second;
+
+  m_label.setLabelType (Array2dFileLabel::L_HISTORY);
+  m_label.setLabelString (m_remark);
+  m_label.setCalcTime (m_calcTime);
+  m_label.setDateTime (m_year, m_month, m_day, m_hour, m_minute, m_second);
 
   return true;
 }
@@ -256,6 +282,7 @@ bool
 Projections::read (const char* filename)
 {
   frnetorderstream fileRead (filename, ios::in | ios::binary);
+  m_filename = filename;
 
   if (! fileRead)
     return false;
@@ -280,11 +307,21 @@ bool
 Projections::write (const char* filename)
 {
   frnetorderstream fs (filename, ios::out | ios::binary | ios::trunc | ios::ate);
-
+  m_filename = filename;
   if (! fs) {
     sys_error (ERR_SEVERE, "Error opening file %s for output [projections_create]", filename);
     return false;
   }
+
+  time_t t = time(NULL);
+  tm* lt = localtime(&t);
+  m_year = lt->tm_year;
+  m_month = lt->tm_mon;
+  m_day = lt->tm_mday;
+  m_hour = lt->tm_hour;
+  m_minute = lt->tm_min;
+  m_second = lt->tm_sec;
+
   if (! headerWrite (fs))
       return false;