2 Version 2.0.0 released!
3 ctsim: Added Window menu to Main frame
4 ctsim: Disabled not support reconstruction method
5 Fixed obscure bug in sys_error
6 Fixed compilation if vsnprintf not present
7 Fixed compilation in non-graphical environments
10 ctsim: Added animation of reconstruction
11 ctsim: Added saving of dialog parameters for Projection & Reconstruction
12 ctsim: Added progress dialog for rasterization of phantom
13 ctsim: used setpriority to set lower priority
14 ctsim: fixed pReconstruct not being deleted causing scaling problem
15 ctsim: fixed projection animation dialog buttons
18 ctsim: Added projection graph to animation of projection collection
19 ctsim: Added single stepping to projection collection animation
20 ctsim: improved File/Properties display for projection files
21 ctsim: Added progress dialog for reconstructions
22 ctsim: Added file labels for projection and reconstruction images
23 ctsim: Made File/Properties bring up modal dialogs
24 Added reconstruction for Equilinear and Equiangular geometries
25 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
26 Separated reconstruction into Reconstructor class
27 Fixed center of detector adjustment for even number of detectors
28 Added --enable-static to generate statically linked programs
31 ctsim: Added animation of projection collection processs
32 ctsim: Added Auto Scaling for image windows
33 ctsim: Change menus from "windowing" to "display scaling"
34 Added FieldOfView and FocalLength ratio parameters to projection collection
35 Added FocalLength & FieldOfView fields to projection data files
36 Added Projection collection for Equilinear and Equiangular geometries
37 Changed name of Rowland Phantom to correct name of Shepp-Logan
38 Fixed bug in backprojection selection
41 Added RCS Id strings to executable files
42 Added RPM Spec file for RPM package creation
43 Added loading of ASCII phanthom definitions from files
44 Fixed compilation for non-SGP architectures
45 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
46 Added Filter-Generation option to reconstruction to allow direct or
47 inverse_fourier construction of filters
48 Added median to statistics and to auto-windowing
51 Added line color support to SGP
55 Finished support for dmallocxx library
56 Fixed bug in SignalFilter::convertFilterMethodNameToID()
57 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
58 G2 windows and well as WXWindows.
59 ctsim program: "Create Phantom" now shows phantom object
60 Fixed row-plot bug in if-2
61 Reworked EZPlot's multiple plot operation
64 ctsim program: improved initial size and scroll area for image
66 ctsim program: added rasterization parameters, projections parameters,
67 and reconstruction parameters dialogs
68 Moved char[] static definition from header files to c++ files
69 Completely reorganized option processing in classes to improve
70 expandability and to assist ctsim graphical user interface.
73 ctsim program: Added dialog to set minimum/maximum display levels
74 Started ctsim.tex document file
77 Fixed compiler warnings at -Wall level
78 Began work on CTSim program to be graphical front-end of all functions
79 Moved current src/*.cpp to tools/*.cpp
80 Made CTSim graphical front-end's home to be src/
83 Added highly optimized backprojection method idiff3
84 Moved comparative stats to if-2 program from ifinfo
85 Fixed image display in if2img using G2 library
86 Added column-plot and row-plot options to if-2
87 Added autoselection of analytic/calculated spatial responses to SignalFilter
88 Added frequency-based preinterpolation to SignalFilter and idiff3
89 backprojection method. Currently, this technique is still under
90 development and debugging
91 Moved graphic file writing to ImageFile class from if2img program
94 Cleaned up SignalFilter class
95 Added zeropad option to pjrec
96 Added zeropad options to html and cgi files
97 Added fourier_table and rfttw filter methods
98 Added FFTW routines to use real/half-complex transformations
101 Updated trace level processing
102 Added trace level to SignalFilter
103 Fixed magnitude vs. real output bug in FFT/Fourier filter
106 Fixed const issue with ImageFileArray
107 Fixed Array2dFile::labelsCopy()
108 Added copy constructor and assignment for Array2dFileLabel class
109 Added Timer to if-2.cpp and ifinfo.cpp
110 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
111 Added option processing for filter-method for pjrec to choose
112 between convolution, dft, & fft filtering
113 Fixed format string for EZPlot so axis labels now print
114 Added support for FFTW library
117 Rewrote Array2dFile class to be non-templated
118 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
119 Rewrote Array2dFileLabel class to make members private, added access routines
120 Removed timedate.cpp in favor of standard C library time/date functions
121 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
122 Added signature tag and creation date/time to projection files
125 Standardized string option processing by classes. All classes use character strings
126 to select options rather than numeric constants. Added fail() and failMessage()
127 methods to verify that objects are created correctly by character strings.
128 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
129 Rewrote ImageFile class
130 Started support for dmallocxx library, not finished
131 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
132 Updated ifinfo to show comparative statistics
133 Added printLabels() to Array2dFile class
134 Added printStatistics() to ImageFile class
137 Moved conversion filter name/id to Filter class
138 Moved conversion backprojection name/id to Backproj class
139 Added MPI broadcasting of strings
142 Merged proj_reconstr into class Projections
143 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
144 Code cleanup in projections.cpp
145 Moved conversion of phantom names/id to Phantom class
148 Converted projection files to C++ library with frnetorderstream
149 Converted image files to C++ library with frnetorderstream
150 Converted filter and convolution to object-oriented code
151 Changed default image file to float from double -- Changable in imagefile.h
152 Optimized image file writing on little-endian architectures
153 Updated README and INSTALL
156 Reorganized source files
157 MPI bug fixed to phm2pj.cpp
160 Reorganized include files
161 Fixed const pointers in strfuncs
164 Renamed directories, moved source files, combined source files
165 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
169 Skip versions to make version 2.0 the first fully C++ version
170 Renamed Raysums to Projections throughout files
171 Renamed Detector to Scanner
172 Converted Scanner and Projecions to full object-oriented
175 Converted Phantom and PhantomElements to Object-Oriented
176 Converted Detector to Object-Oriented
179 Improved Integer backprojection method
180 Fixed nearest neighbor to be truly nearest neighbor
181 Made linear interpolation more integer arithmetic -> speed improvement
182 Finished converting all C files to C++
183 Converted all use of malloc/free to C++ new/delete
184 Began object-oriented conversion of Phantom and Projection structures
187 Converted MPI data structures to C++ object
188 Made ImageFile directly inherit from Array2dFile
191 First C++ conversions
192 Portable IF (image file) format implemented with objects (SDF removed)
193 - Now all data files are cross-platform compatible
194 Converted from MPI to MPI++
195 Converted backprojection to object-oriented
196 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
199 Simpilifed endian handling
202 Added support for 64-bit (IA64) CPU
203 Removed broken B-spline interpolation
204 Added support for cygwin platform under Windows 2000
205 Added support for 16-bit PNG graphics
208 Added compile-time configuration of endian order
211 Modified the raysum file format to be platform independent
214 Added Microsoft VC compatibility
215 Cleaned up compilation warnings in libgraph
218 Continued conversion to ANSI C
219 Removed old CRT routines
222 Renamed pictures to phantoms, objects to phantom elements
223 Continued code cleanup
226 More code cleanup with reorganizing libraries
227 Added --log and --exp to sdf-1
228 Allowed negative numbers for window levels in CGI interface
231 Continued code cleanup
235 Better documented, coded raysum in-memory on on-disk options
238 Cleaned out library that wasn't being used by CTSim
239 Modified ctsim.cgi to read in configuration file ctsim.conf
242 First open source distribution for GNU/Linux
245 Converted to GNU/Linux
246 added MPI support via LAM library
249 Developed under MS-DOS and IBM EGA graphics