2 Be consistant with creation of new images
4 copy labels from original image to new images
6 3.0alpha2 - Released 1/02/01
8 * ctsim: added generation of filter images
10 * ctsim: Added 2-image math functions (mul, add, div, sub)
12 * ctsim: Added export of imagefiles to graphic file formats
14 * ctsim: Added support for scaling imagefiles in new sizes
16 * ctsim: Added ability to save standard phantom definitions as
17 text files suitable for reading.
19 * ctsim: Add labels for image transformations and display of labels
20 when performing properties of images.
22 * processsignal.cpp: Fixed "off by one" bug in
23 shuffleNaturalToFourierOrder when n is even. Moved functions to
26 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
27 image math functions to complex-valued math.
29 * phantom.cpp: Added ability to save phantom files as ASCII text.
31 3.0alpha1 - Released 12/29/00
33 * Added PlotFile class to system, used by if2 and ctsim for row
34 and column plots and comparison plots
36 * ctsim: Added image comparison statistics and image subtraction
38 * ctsim: Added plotting of rows & columns with y-axis scaling
40 * ctsim: Added row and column plot comparisons between two image
43 * ctsim: Added "Process" menu to image file display with math
44 functions. Added 2-dimensional inverse Fourier to math
45 functions. Added support for complex (real/imaginary) images.
47 * mathfuncs.cpp: Reworked statistics algorithm to share between
48 imagefile and plotfile classes.
50 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
51 nsamples > 2. Added generic mage math functions, moved from
52 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
55 * array2dfile.cpp: Added code to support complex (real/imaginary)
58 * if1: Updated to handle error conditions, such as sqrt of a
59 negative number. Converted to use new ImageFile math functions.
61 * if2: Updated to output plot files and use new ImageFile class
64 * if1: Updated to use new ImageFile class math functions
66 * ezplot: Reworked to better store colors/linestyles/symbols with
67 individual curves. Improved display of labels and ticks. Updated
68 to use POL class member variable. Updated to more C++ conventions.
70 * pol: converted to C++ class. Extracted HashTable to separate
73 * sgp: Added linestyle settings
76 First Microsoft Windows GUI version
77 Modifications for Microsoft Visual C++ compilation.
78 Improved pjinfo to output binary headers and view data, useful
79 when manually compiling phantoms that vary during projection
80 process. Thanks to Ian Kay for idea and code submission.
81 Improved sorting to find median in ImageFile::statistics
82 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
83 Changed reconstruction dialog to fix onto smaller screens
84 Fixed display of plotting in Projection views
85 Improved animation displays for Projections and Reconstructions
86 Changed code to explicitly use std:: namespace rather than
87 "namespace using std" statements
88 Fixed reconstruction scaling bug introduced in 2.0.6
89 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
92 Fixed minor compilation problem with procsignal.h
94 Fixed bug when simulating projections and Trace == CONSOLE
95 Fixed scaling bug when performing redundant rotations around object
98 Improved compilation on RedHat 7
99 Changed some of ANSI C header files to C++ header files
100 Removed README.RedHat7
103 Added documentation for --geometry setting
104 Added README.RedHat7 document
107 Fixed bug in generation of binary PGM files
108 Fixed MPI compilation bug in phm2pj.cpp
109 Inverted y-axis output for pj2if (bug alert from Ian Kay)
112 Additions to man pages (Ian Kay)
113 Fix problem with reading of ASCII phantom files (Ian Kay)
116 Fixed syntax error in fftw configuration
117 Slight modifications to support gcc v2.9.6
120 Version 2.0.0 released!
121 ctsim: Added Window menu to Main frame
122 ctsim: Disabled not support reconstruction method
123 Fixed obscure bug in sys_error
124 Fixed compilation in mingw environment not present
125 Fixed compilation in non-graphical environments
128 ctsim: Added animation of reconstruction
129 ctsim: Added saving of dialog parameters for Projection & Reconstruction
130 ctsim: Added progress dialog for rasterization of phantom
131 ctsim: used setpriority to set lower priority
132 ctsim: fixed pReconstruct not being deleted causing scaling problem
133 ctsim: fixed projection animation dialog buttons
136 ctsim: Added projection graph to animation of projection collection
137 ctsim: Added single stepping to projection collection animation
138 ctsim: improved File/Properties display for projection files
139 ctsim: Added progress dialog for reconstructions
140 ctsim: Added file labels for projection and reconstruction images
141 ctsim: Made File/Properties bring up modal dialogs
142 Added reconstruction for Equilinear and Equiangular geometries
143 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
144 Separated reconstruction into Reconstructor class
145 Fixed center of detector adjustment for even number of detectors
146 Added --enable-static to generate statically linked programs
149 ctsim: Added animation of projection collection processs
150 ctsim: Added Auto Scaling for image windows
151 ctsim: Change menus from "windowing" to "display scaling"
152 Added FieldOfView and FocalLength ratio parameters to projection collection
153 Added FocalLength & FieldOfView fields to projection data files
154 Added Projection collection for Equilinear and Equiangular geometries
155 Changed name of Rowland Phantom to correct name of Shepp-Logan
156 Fixed bug in backprojection selection
159 Added RCS Id strings to executable files
160 Added RPM Spec file for RPM package creation
161 Added loading of ASCII phanthom definitions from files
162 Fixed compilation for non-SGP architectures
163 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
164 Added Filter-Generation option to reconstruction to allow direct or
165 inverse_fourier construction of filters
166 Added median to statistics and to auto-windowing
169 Added line color support to SGP
173 Finished support for dmallocxx library
174 Fixed bug in SignalFilter::convertFilterMethodNameToID()
175 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
176 G2 windows and well as WXWindows.
177 ctsim program: "Create Phantom" now shows phantom object
178 Fixed row-plot bug in if-2
179 Reworked EZPlot's multiple plot operation
182 ctsim program: improved initial size and scroll area for image
184 ctsim program: added rasterization parameters, projections parameters,
185 and reconstruction parameters dialogs
186 Moved char[] static definition from header files to c++ files
187 Completely reorganized option processing in classes to improve
188 expandability and to assist ctsim graphical user interface.
191 ctsim program: Added dialog to set minimum/maximum display levels
192 Started ctsim.tex document file
195 Fixed compiler warnings at -Wall level
196 Began work on CTSim program to be graphical front-end of all functions
197 Moved current src/*.cpp to tools/*.cpp
198 Made CTSim graphical front-end's home to be src/
201 Added highly optimized backprojection method idiff3
202 Moved comparative stats to if-2 program from ifinfo
203 Fixed image display in if2img using G2 library
204 Added column-plot and row-plot options to if-2
205 Added autoselection of analytic/calculated spatial responses to SignalFilter
206 Added frequency-based preinterpolation to SignalFilter and idiff3
207 backprojection method. Currently, this technique is still under
208 development and debugging
209 Moved graphic file writing to ImageFile class from if2img program
212 Cleaned up SignalFilter class
213 Added zeropad option to pjrec
214 Added zeropad options to html and cgi files
215 Added fourier_table and rfttw filter methods
216 Added FFTW routines to use real/half-complex transformations
219 Updated trace level processing
220 Added trace level to SignalFilter
221 Fixed magnitude vs. real output bug in FFT/Fourier filter
224 Fixed const issue with ImageFileArray
225 Fixed Array2dFile::labelsCopy()
226 Added copy constructor and assignment for Array2dFileLabel class
227 Added Timer to if-2.cpp and ifinfo.cpp
228 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
229 Added option processing for filter-method for pjrec to choose
230 between convolution, dft, & fft filtering
231 Fixed format string for EZPlot so axis labels now print
232 Added support for FFTW library
235 Rewrote Array2dFile class to be non-templated
236 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
237 Rewrote Array2dFileLabel class to make members private, added access routines
238 Removed timedate.cpp in favor of standard C library time/date functions
239 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
240 Added signature tag and creation date/time to projection files
243 Standardized string option processing by classes. All classes use character strings
244 to select options rather than numeric constants. Added fail() and failMessage()
245 methods to verify that objects are created correctly by character strings.
246 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
247 Rewrote ImageFile class
248 Started support for dmallocxx library, not finished
249 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
250 Updated ifinfo to show comparative statistics
251 Added printLabels() to Array2dFile class
252 Added printStatistics() to ImageFile class
255 Moved conversion filter name/id to Filter class
256 Moved conversion backprojection name/id to Backproj class
257 Added MPI broadcasting of strings
260 Merged proj_reconstr into class Projections
261 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
262 Code cleanup in projections.cpp
263 Moved conversion of phantom names/id to Phantom class
266 Converted projection files to C++ library with frnetorderstream
267 Converted image files to C++ library with frnetorderstream
268 Converted filter and convolution to object-oriented code
269 Changed default image file to float from double -- Changable in imagefile.h
270 Optimized image file writing on little-endian architectures
271 Updated README and INSTALL
274 Reorganized source files
275 MPI bug fixed to phm2pj.cpp
278 Reorganized include files
279 Fixed const pointers in strfuncs
282 Renamed directories, moved source files, combined source files
283 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
287 Skip versions to make version 2.0 the first fully C++ version
288 Renamed Raysums to Projections throughout files
289 Renamed Detector to Scanner
290 Converted Scanner and Projecions to full object-oriented
293 Converted Phantom and PhantomElements to Object-Oriented
294 Converted Detector to Object-Oriented
297 Improved Integer backprojection method
298 Fixed nearest neighbor to be truly nearest neighbor
299 Made linear interpolation more integer arithmetic -> speed improvement
300 Finished converting all C files to C++
301 Converted all use of malloc/free to C++ new/delete
302 Began object-oriented conversion of Phantom and Projection structures
305 Converted MPI data structures to C++ object
306 Made ImageFile directly inherit from Array2dFile
309 First C++ conversions
310 Portable IF (image file) format implemented with objects (SDF removed)
311 - Now all data files are cross-platform compatible
312 Converted from MPI to MPI++
313 Converted backprojection to object-oriented
314 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
317 Simpilifed endian handling
320 Added support for 64-bit (IA64) CPU
321 Removed broken B-spline interpolation
322 Added support for cygwin platform under Windows 2000
323 Added support for 16-bit PNG graphics
326 Added compile-time configuration of endian order
329 Modified the raysum file format to be platform independent
332 Added Microsoft VC compatibility
333 Cleaned up compilation warnings in libgraph
336 Continued conversion to ANSI C
337 Removed old CRT routines
340 Renamed pictures to phantoms, objects to phantom elements
341 Continued code cleanup
344 More code cleanup with reorganizing libraries
345 Added --log and --exp to sdf-1
346 Allowed negative numbers for window levels in CGI interface
349 Continued code cleanup
353 Better documented, coded raysum in-memory on on-disk options
356 Cleaned out library that wasn't being used by CTSim
357 Modified ctsim.cgi to read in configuration file ctsim.conf
360 First open source distribution for GNU/Linux
363 Converted to GNU/Linux
364 added MPI support via LAM library
367 Developed under MS-DOS and IBM EGA graphics