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