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 Fixed reconstruction scaling bug introduced in 2.0.6
15 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
18 Fixed minor compilation problem with procsignal.h
20 Fixed bug when simulating projections and Trace == CONSOLE
21 Fixed scaling bug when performing redundant rotations around object
24 Improved compilation on RedHat 7
25 Changed some of ANSI C header files to C++ header files
26 Removed README.RedHat7
29 Added documentation for --geometry setting
30 Added README.RedHat7 document
33 Fixed bug in generation of binary PGM files
34 Fixed MPI compilation bug in phm2pj.cpp
35 Inverted y-axis output for pj2if (bug alert from Ian Kay)
38 Additions to man pages (Ian Kay)
39 Fix problem with reading of ASCII phantom files (Ian Kay)
42 Fixed syntax error in fftw configuration
43 Slight modifications to support gcc v2.9.6
46 Version 2.0.0 released!
47 ctsim: Added Window menu to Main frame
48 ctsim: Disabled not support reconstruction method
49 Fixed obscure bug in sys_error
50 Fixed compilation in mingw environment not present
51 Fixed compilation in non-graphical environments
54 ctsim: Added animation of reconstruction
55 ctsim: Added saving of dialog parameters for Projection & Reconstruction
56 ctsim: Added progress dialog for rasterization of phantom
57 ctsim: used setpriority to set lower priority
58 ctsim: fixed pReconstruct not being deleted causing scaling problem
59 ctsim: fixed projection animation dialog buttons
62 ctsim: Added projection graph to animation of projection collection
63 ctsim: Added single stepping to projection collection animation
64 ctsim: improved File/Properties display for projection files
65 ctsim: Added progress dialog for reconstructions
66 ctsim: Added file labels for projection and reconstruction images
67 ctsim: Made File/Properties bring up modal dialogs
68 Added reconstruction for Equilinear and Equiangular geometries
69 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
70 Separated reconstruction into Reconstructor class
71 Fixed center of detector adjustment for even number of detectors
72 Added --enable-static to generate statically linked programs
75 ctsim: Added animation of projection collection processs
76 ctsim: Added Auto Scaling for image windows
77 ctsim: Change menus from "windowing" to "display scaling"
78 Added FieldOfView and FocalLength ratio parameters to projection collection
79 Added FocalLength & FieldOfView fields to projection data files
80 Added Projection collection for Equilinear and Equiangular geometries
81 Changed name of Rowland Phantom to correct name of Shepp-Logan
82 Fixed bug in backprojection selection
85 Added RCS Id strings to executable files
86 Added RPM Spec file for RPM package creation
87 Added loading of ASCII phanthom definitions from files
88 Fixed compilation for non-SGP architectures
89 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
90 Added Filter-Generation option to reconstruction to allow direct or
91 inverse_fourier construction of filters
92 Added median to statistics and to auto-windowing
95 Added line color support to SGP
99 Finished support for dmallocxx library
100 Fixed bug in SignalFilter::convertFilterMethodNameToID()
101 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
102 G2 windows and well as WXWindows.
103 ctsim program: "Create Phantom" now shows phantom object
104 Fixed row-plot bug in if-2
105 Reworked EZPlot's multiple plot operation
108 ctsim program: improved initial size and scroll area for image
110 ctsim program: added rasterization parameters, projections parameters,
111 and reconstruction parameters dialogs
112 Moved char[] static definition from header files to c++ files
113 Completely reorganized option processing in classes to improve
114 expandability and to assist ctsim graphical user interface.
117 ctsim program: Added dialog to set minimum/maximum display levels
118 Started ctsim.tex document file
121 Fixed compiler warnings at -Wall level
122 Began work on CTSim program to be graphical front-end of all functions
123 Moved current src/*.cpp to tools/*.cpp
124 Made CTSim graphical front-end's home to be src/
127 Added highly optimized backprojection method idiff3
128 Moved comparative stats to if-2 program from ifinfo
129 Fixed image display in if2img using G2 library
130 Added column-plot and row-plot options to if-2
131 Added autoselection of analytic/calculated spatial responses to SignalFilter
132 Added frequency-based preinterpolation to SignalFilter and idiff3
133 backprojection method. Currently, this technique is still under
134 development and debugging
135 Moved graphic file writing to ImageFile class from if2img program
138 Cleaned up SignalFilter class
139 Added zeropad option to pjrec
140 Added zeropad options to html and cgi files
141 Added fourier_table and rfttw filter methods
142 Added FFTW routines to use real/half-complex transformations
145 Updated trace level processing
146 Added trace level to SignalFilter
147 Fixed magnitude vs. real output bug in FFT/Fourier filter
150 Fixed const issue with ImageFileArray
151 Fixed Array2dFile::labelsCopy()
152 Added copy constructor and assignment for Array2dFileLabel class
153 Added Timer to if-2.cpp and ifinfo.cpp
154 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
155 Added option processing for filter-method for pjrec to choose
156 between convolution, dft, & fft filtering
157 Fixed format string for EZPlot so axis labels now print
158 Added support for FFTW library
161 Rewrote Array2dFile class to be non-templated
162 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
163 Rewrote Array2dFileLabel class to make members private, added access routines
164 Removed timedate.cpp in favor of standard C library time/date functions
165 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
166 Added signature tag and creation date/time to projection files
169 Standardized string option processing by classes. All classes use character strings
170 to select options rather than numeric constants. Added fail() and failMessage()
171 methods to verify that objects are created correctly by character strings.
172 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
173 Rewrote ImageFile class
174 Started support for dmallocxx library, not finished
175 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
176 Updated ifinfo to show comparative statistics
177 Added printLabels() to Array2dFile class
178 Added printStatistics() to ImageFile class
181 Moved conversion filter name/id to Filter class
182 Moved conversion backprojection name/id to Backproj class
183 Added MPI broadcasting of strings
186 Merged proj_reconstr into class Projections
187 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
188 Code cleanup in projections.cpp
189 Moved conversion of phantom names/id to Phantom class
192 Converted projection files to C++ library with frnetorderstream
193 Converted image files to C++ library with frnetorderstream
194 Converted filter and convolution to object-oriented code
195 Changed default image file to float from double -- Changable in imagefile.h
196 Optimized image file writing on little-endian architectures
197 Updated README and INSTALL
200 Reorganized source files
201 MPI bug fixed to phm2pj.cpp
204 Reorganized include files
205 Fixed const pointers in strfuncs
208 Renamed directories, moved source files, combined source files
209 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
213 Skip versions to make version 2.0 the first fully C++ version
214 Renamed Raysums to Projections throughout files
215 Renamed Detector to Scanner
216 Converted Scanner and Projecions to full object-oriented
219 Converted Phantom and PhantomElements to Object-Oriented
220 Converted Detector to Object-Oriented
223 Improved Integer backprojection method
224 Fixed nearest neighbor to be truly nearest neighbor
225 Made linear interpolation more integer arithmetic -> speed improvement
226 Finished converting all C files to C++
227 Converted all use of malloc/free to C++ new/delete
228 Began object-oriented conversion of Phantom and Projection structures
231 Converted MPI data structures to C++ object
232 Made ImageFile directly inherit from Array2dFile
235 First C++ conversions
236 Portable IF (image file) format implemented with objects (SDF removed)
237 - Now all data files are cross-platform compatible
238 Converted from MPI to MPI++
239 Converted backprojection to object-oriented
240 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
243 Simpilifed endian handling
246 Added support for 64-bit (IA64) CPU
247 Removed broken B-spline interpolation
248 Added support for cygwin platform under Windows 2000
249 Added support for 16-bit PNG graphics
252 Added compile-time configuration of endian order
255 Modified the raysum file format to be platform independent
258 Added Microsoft VC compatibility
259 Cleaned up compilation warnings in libgraph
262 Continued conversion to ANSI C
263 Removed old CRT routines
266 Renamed pictures to phantoms, objects to phantom elements
267 Continued code cleanup
270 More code cleanup with reorganizing libraries
271 Added --log and --exp to sdf-1
272 Allowed negative numbers for window levels in CGI interface
275 Continued code cleanup
279 Better documented, coded raysum in-memory on on-disk options
282 Cleaned out library that wasn't being used by CTSim
283 Modified ctsim.cgi to read in configuration file ctsim.conf
286 First open source distribution for GNU/Linux
289 Converted to GNU/Linux
290 added MPI support via LAM library
293 Developed under MS-DOS and IBM EGA graphics