2 First Microsoft Windows GUI version
3 Modifications for Microsoft Visual C++ compilation.
4 Improved pjinfo to output binary headers and view data, useful
5 when manually compiling phantoms that vary during projection
6 process. Thanks to Ian Kay for idea and code submission.
7 Improved sorting to find median in ImageFile::statistics
8 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
9 Changed reconstruction dialog to fix onto smaller screens
10 Fixed display of plotting in Projection views
11 Improved animation displays for Projections and Reconstructions
12 Changed code to explicitly use std:: namespace rather than
13 "namespace using std" statements
14 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
17 Fixed minor compilation problem with procsignal.h
19 Fixed bug when simulating projections and Trace == CONSOLE
20 Fixed scaling bug when performing redundant rotations around object
23 Improved compilation on RedHat 7
24 Changed some of ANSI C header files to C++ header files
25 Removed README.RedHat7
28 Added documentation for --geometry setting
29 Added README.RedHat7 document
32 Fixed bug in generation of binary PGM files
33 Fixed MPI compilation bug in phm2pj.cpp
34 Inverted y-axis output for pj2if (bug alert from Ian Kay)
37 Additions to man pages (Ian Kay)
38 Fix problem with reading of ASCII phantom files (Ian Kay)
41 Fixed syntax error in fftw configuration
42 Slight modifications to support gcc v2.9.6
45 Version 2.0.0 released!
46 ctsim: Added Window menu to Main frame
47 ctsim: Disabled not support reconstruction method
48 Fixed obscure bug in sys_error
49 Fixed compilation in mingw environment not present
50 Fixed compilation in non-graphical environments
53 ctsim: Added animation of reconstruction
54 ctsim: Added saving of dialog parameters for Projection & Reconstruction
55 ctsim: Added progress dialog for rasterization of phantom
56 ctsim: used setpriority to set lower priority
57 ctsim: fixed pReconstruct not being deleted causing scaling problem
58 ctsim: fixed projection animation dialog buttons
61 ctsim: Added projection graph to animation of projection collection
62 ctsim: Added single stepping to projection collection animation
63 ctsim: improved File/Properties display for projection files
64 ctsim: Added progress dialog for reconstructions
65 ctsim: Added file labels for projection and reconstruction images
66 ctsim: Made File/Properties bring up modal dialogs
67 Added reconstruction for Equilinear and Equiangular geometries
68 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
69 Separated reconstruction into Reconstructor class
70 Fixed center of detector adjustment for even number of detectors
71 Added --enable-static to generate statically linked programs
74 ctsim: Added animation of projection collection processs
75 ctsim: Added Auto Scaling for image windows
76 ctsim: Change menus from "windowing" to "display scaling"
77 Added FieldOfView and FocalLength ratio parameters to projection collection
78 Added FocalLength & FieldOfView fields to projection data files
79 Added Projection collection for Equilinear and Equiangular geometries
80 Changed name of Rowland Phantom to correct name of Shepp-Logan
81 Fixed bug in backprojection selection
84 Added RCS Id strings to executable files
85 Added RPM Spec file for RPM package creation
86 Added loading of ASCII phanthom definitions from files
87 Fixed compilation for non-SGP architectures
88 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
89 Added Filter-Generation option to reconstruction to allow direct or
90 inverse_fourier construction of filters
91 Added median to statistics and to auto-windowing
94 Added line color support to SGP
98 Finished support for dmallocxx library
99 Fixed bug in SignalFilter::convertFilterMethodNameToID()
100 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
101 G2 windows and well as WXWindows.
102 ctsim program: "Create Phantom" now shows phantom object
103 Fixed row-plot bug in if-2
104 Reworked EZPlot's multiple plot operation
107 ctsim program: improved initial size and scroll area for image
109 ctsim program: added rasterization parameters, projections parameters,
110 and reconstruction parameters dialogs
111 Moved char[] static definition from header files to c++ files
112 Completely reorganized option processing in classes to improve
113 expandability and to assist ctsim graphical user interface.
116 ctsim program: Added dialog to set minimum/maximum display levels
117 Started ctsim.tex document file
120 Fixed compiler warnings at -Wall level
121 Began work on CTSim program to be graphical front-end of all functions
122 Moved current src/*.cpp to tools/*.cpp
123 Made CTSim graphical front-end's home to be src/
126 Added highly optimized backprojection method idiff3
127 Moved comparative stats to if-2 program from ifinfo
128 Fixed image display in if2img using G2 library
129 Added column-plot and row-plot options to if-2
130 Added autoselection of analytic/calculated spatial responses to SignalFilter
131 Added frequency-based preinterpolation to SignalFilter and idiff3
132 backprojection method. Currently, this technique is still under
133 development and debugging
134 Moved graphic file writing to ImageFile class from if2img program
137 Cleaned up SignalFilter class
138 Added zeropad option to pjrec
139 Added zeropad options to html and cgi files
140 Added fourier_table and rfttw filter methods
141 Added FFTW routines to use real/half-complex transformations
144 Updated trace level processing
145 Added trace level to SignalFilter
146 Fixed magnitude vs. real output bug in FFT/Fourier filter
149 Fixed const issue with ImageFileArray
150 Fixed Array2dFile::labelsCopy()
151 Added copy constructor and assignment for Array2dFileLabel class
152 Added Timer to if-2.cpp and ifinfo.cpp
153 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
154 Added option processing for filter-method for pjrec to choose
155 between convolution, dft, & fft filtering
156 Fixed format string for EZPlot so axis labels now print
157 Added support for FFTW library
160 Rewrote Array2dFile class to be non-templated
161 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
162 Rewrote Array2dFileLabel class to make members private, added access routines
163 Removed timedate.cpp in favor of standard C library time/date functions
164 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
165 Added signature tag and creation date/time to projection files
168 Standardized string option processing by classes. All classes use character strings
169 to select options rather than numeric constants. Added fail() and failMessage()
170 methods to verify that objects are created correctly by character strings.
171 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
172 Rewrote ImageFile class
173 Started support for dmallocxx library, not finished
174 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
175 Updated ifinfo to show comparative statistics
176 Added printLabels() to Array2dFile class
177 Added printStatistics() to ImageFile class
180 Moved conversion filter name/id to Filter class
181 Moved conversion backprojection name/id to Backproj class
182 Added MPI broadcasting of strings
185 Merged proj_reconstr into class Projections
186 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
187 Code cleanup in projections.cpp
188 Moved conversion of phantom names/id to Phantom class
191 Converted projection files to C++ library with frnetorderstream
192 Converted image files to C++ library with frnetorderstream
193 Converted filter and convolution to object-oriented code
194 Changed default image file to float from double -- Changable in imagefile.h
195 Optimized image file writing on little-endian architectures
196 Updated README and INSTALL
199 Reorganized source files
200 MPI bug fixed to phm2pj.cpp
203 Reorganized include files
204 Fixed const pointers in strfuncs
207 Renamed directories, moved source files, combined source files
208 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
212 Skip versions to make version 2.0 the first fully C++ version
213 Renamed Raysums to Projections throughout files
214 Renamed Detector to Scanner
215 Converted Scanner and Projecions to full object-oriented
218 Converted Phantom and PhantomElements to Object-Oriented
219 Converted Detector to Object-Oriented
222 Improved Integer backprojection method
223 Fixed nearest neighbor to be truly nearest neighbor
224 Made linear interpolation more integer arithmetic -> speed improvement
225 Finished converting all C files to C++
226 Converted all use of malloc/free to C++ new/delete
227 Began object-oriented conversion of Phantom and Projection structures
230 Converted MPI data structures to C++ object
231 Made ImageFile directly inherit from Array2dFile
234 First C++ conversions
235 Portable IF (image file) format implemented with objects (SDF removed)
236 - Now all data files are cross-platform compatible
237 Converted from MPI to MPI++
238 Converted backprojection to object-oriented
239 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
242 Simpilifed endian handling
245 Added support for 64-bit (IA64) CPU
246 Removed broken B-spline interpolation
247 Added support for cygwin platform under Windows 2000
248 Added support for 16-bit PNG graphics
251 Added compile-time configuration of endian order
254 Modified the raysum file format to be platform independent
257 Added Microsoft VC compatibility
258 Cleaned up compilation warnings in libgraph
261 Continued conversion to ANSI C
262 Removed old CRT routines
265 Renamed pictures to phantoms, objects to phantom elements
266 Continued code cleanup
269 More code cleanup with reorganizing libraries
270 Added --log and --exp to sdf-1
271 Allowed negative numbers for window levels in CGI interface
274 Continued code cleanup
278 Better documented, coded raysum in-memory on on-disk options
281 Cleaned out library that wasn't being used by CTSim
282 Modified ctsim.cgi to read in configuration file ctsim.conf
285 First open source distribution for GNU/Linux
288 Converted to GNU/Linux
289 added MPI support via LAM library
292 Developed under MS-DOS and IBM EGA graphics