2 ctsim: Added Auto Scaling for image windows
3 ctsim: Change title from "windowing" to "display scaling"
4 Added FieldOfView and FocalLength ratio parameters to projection collection
5 Changed name of Rowland Phantom to correct name of Shepp-Logan
6 Added data collection for equilinear scanner geometry
7 Fixed bug in backprojection selection
8 Improved projection collection animation
11 Added RCS Id strings to executable files
12 Added RPM Spec file for RPM package creation
13 Added loading of ASCII phanthom definitions from files
14 Fixed compilation for non-SGP architectures
15 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
16 Added Filter-Generation option to reconstruction to allow direct or
17 inverse_fourier construction of filters
18 Added median to statistics and to auto-windowing
21 Added line color support to SGP
25 Finished support for dmallocxx library
26 Fixed bug in SignalFilter::convertFilterMethodNameToID()
27 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
28 G2 windows and well as WXWindows.
29 ctsim program: "Create Phantom" now shows phantom object
30 Fixed row-plot bug in if-2
31 Reworked EZPlot's multiple plot operation
34 ctsim program: improved initial size and scroll area for image
36 ctsim program: added rasterization parameters, projections parameters,
37 and reconstruction parameters dialogs
38 Moved char[] static definition from header files to c++ files
39 Completely reorganized option processing in classes to improve
40 expandability and to assist ctsim graphical user interface.
43 ctsim program: Added dialog to set minimum/maximum display levels
44 Started ctsim.tex document file
47 Fixed compiler warnings at -Wall level
48 Began work on CTSim program to be graphical front-end of all functions
49 Moved current src/*.cpp to tools/*.cpp
50 Made CTSim graphical front-end's home to be src/
53 Added highly optimized backprojection method idiff3
54 Moved comparative stats to if-2 program from ifinfo
55 Fixed image display in if2img using G2 library
56 Added column-plot and row-plot options to if-2
57 Added autoselection of analytic/calculated spatial responses to SignalFilter
58 Added frequency-based preinterpolation to SignalFilter and idiff3
59 backprojection method. Currently, this technique is still under
60 development and debugging
61 Moved graphic file writing to ImageFile class from if2img program
64 Cleaned up SignalFilter class
65 Added zeropad option to pjrec
66 Added zeropad options to html and cgi files
67 Added fourier_table and rfttw filter methods
68 Added FFTW routines to use real/half-complex transformations
71 Updated trace level processing
72 Added trace level to SignalFilter
73 Fixed magnitude vs. real output bug in FFT/Fourier filter
76 Fixed const issue with ImageFileArray
77 Fixed Array2dFile::labelsCopy()
78 Added copy constructor and assignment for Array2dFileLabel class
79 Added Timer to if-2.cpp and ifinfo.cpp
80 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
81 Added option processing for filter-method for pjrec to choose
82 between convolution, dft, & fft filtering
83 Fixed format string for EZPlot so axis labels now print
84 Added support for FFTW library
87 Rewrote Array2dFile class to be non-templated
88 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
89 Rewrote Array2dFileLabel class to make members private, added access routines
90 Removed timedate.cpp in favor of standard C library time/date functions
91 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
92 Added signature tag and creation date/time to projection files
95 Standardized string option processing by classes. All classes use character strings
96 to select options rather than numeric constants. Added fail() and failMessage()
97 methods to verify that objects are created correctly by character strings.
98 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
99 Rewrote ImageFile class
100 Started support for dmallocxx library, not finished
101 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
102 Updated ifinfo to show comparative statistics
103 Added printLabels() to Array2dFile class
104 Added printStatistics() to ImageFile class
107 Moved conversion filter name/id to Filter class
108 Moved conversion backprojection name/id to Backproj class
109 Added MPI broadcasting of strings
112 Merged proj_reconstr into class Projections
113 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
114 Code cleanup in projections.cpp
115 Moved conversion of phantom names/id to Phantom class
118 Converted projection files to C++ library with frnetorderstream
119 Converted image files to C++ library with frnetorderstream
120 Converted filter and convolution to object-oriented code
121 Changed default image file to float from double -- Changable in imagefile.h
122 Optimized image file writing on little-endian architectures
123 Updated README and INSTALL
126 Reorganized source files
127 MPI bug fixed to phm2pj.cpp
130 Reorganized include files
131 Fixed const pointers in strfuncs
134 Renamed directories, moved source files, combined source files
135 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
139 Skip versions to make version 2.0 the first fully C++ version
140 Renamed Raysums to Projections throughout files
141 Renamed Detector to Scanner
142 Converted Scanner and Projecions to full object-oriented
145 Converted Phantom and PhantomElements to Object-Oriented
146 Converted Detector to Object-Oriented
149 Improved Integer backprojection method
150 Fixed nearest neighbor to be truly nearest neighbor
151 Made linear interpolation more integer arithmetic -> speed improvement
152 Finished converting all C files to C++
153 Converted all use of malloc/free to C++ new/delete
154 Began object-oriented conversion of Phantom and Projection structures
157 Converted MPI data structures to C++ object
158 Made ImageFile directly inherit from Array2dFile
161 First C++ conversions
162 Portable IF (image file) format implemented with objects (SDF removed)
163 - Now all data files are cross-platform compatible
164 Converted from MPI to MPI++
165 Converted backprojection to object-oriented
166 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
169 Simpilifed endian handling
172 Added support for 64-bit (IA64) CPU
173 Removed broken B-spline interpolation
174 Added support for cygwin platform under Windows 2000
175 Added support for 16-bit PNG graphics
178 Added compile-time configuration of endian order
181 Modified the raysum file format to be platform independent
184 Added Microsoft VC compatibility
185 Cleaned up compilation warnings in libgraph
188 Continued conversion to ANSI C
189 Removed old CRT routines
192 Renamed pictures to phantoms, objects to phantom elements
193 Continued code cleanup
196 More code cleanup with reorganizing libraries
197 Added --log and --exp to sdf-1
198 Allowed negative numbers for window levels in CGI interface
201 Continued code cleanup
205 Better documented, coded raysum in-memory on on-disk options
208 Cleaned out library that wasn't being used by CTSim
209 Modified ctsim.cgi to read in configuration file ctsim.conf
212 First open source distribution for GNU/Linux
215 Converted to GNU/Linux
216 added MPI support via LAM library
219 Developed under MS-DOS and IBM EGA graphics