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