4 3.0.0alpha5 - Released 1/12/00
6 * ctsim: Added EZPlotDialog, used by debugging plots in
9 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
10 bug in parsing command-line parameters.
12 * views.cpp: Fixed bug in copying of labels from images to
15 * syserror.cpp: fixed reporting for fatal errors
17 * projections.cpp: fixed MSVC failure with std:: namespace
19 * procsignal.cpp: fixed bug in equiangular reconstructions
20 for frequency/inverse-fourier filtering
22 3.0.0alpha4 - Released 1/09/01
24 * ctsim: Added reset to full-intensity scale menu item
26 * ctsim: Add conversion of projections to polar plot [Thanks to
27 Ian Kay for reference and math hints in polar bilinear scaling]
29 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
32 * ctsim: imagefile labels are now copied to plotfiles
34 * ctsim: Added more analyze menuitems
36 * ctsimtext: First version. All command-line tools are now accessed
37 through this master shell. Has both command-line and interactive
40 * ctsim: Fixed initialization of min/max bug for PlotFiles
42 * ezplot: Cleaned up y-tick label placement
44 * sgp: Added better support for projection/reconstruction animation
46 3.0.0alpha3 - Released 1/02/01
48 * ctsim: Added plotting of histograms
50 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
52 * ezplot.cpp: adjusted xtick label displays for better placement
54 3.0alpha2 - Released 1/02/01
56 * ctsim: All functions of command-line tools are now in graphical ctsim
58 * ctsim: added generation of filter images
60 * ctsim: Added 2-image math functions (mul, add, div, sub)
62 * ctsim: Added export of imagefiles to graphic file formats
64 * ctsim: Added support for scaling imagefiles in new sizes
66 * ctsim: Added ability to save standard phantom definitions as
67 text files suitable for reading.
69 * ctsim: Add labels for image transformations and display of labels
70 when performing properties of images.
72 * processsignal.cpp: Fixed "off by one" bug in
73 shuffleNaturalToFourierOrder when n is even. Moved functions to
76 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
77 image math functions to complex-valued math.
79 * phantom.cpp: Added ability to save phantom files as ASCII text.
81 3.0alpha1 - Released 12/29/00
83 * Added PlotFile class to system, used by if2 and ctsim for row
84 and column plots and comparison plots
86 * ctsim: Added image comparison statistics and image subtraction
88 * ctsim: Added plotting of rows & columns with y-axis scaling
90 * ctsim: Added row and column plot comparisons between two image
93 * ctsim: Added "Process" menu to image file display with math
94 functions. Added 2-dimensional inverse Fourier to math
95 functions. Added support for complex (real/imaginary) images.
97 * mathfuncs.cpp: Reworked statistics algorithm to share between
98 imagefile and plotfile classes.
100 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
101 nsamples > 2. Added generic mage math functions, moved from
102 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
105 * array2dfile.cpp: Added code to support complex (real/imaginary)
108 * if1: Updated to handle error conditions, such as sqrt of a
109 negative number. Converted to use new ImageFile math functions.
111 * if2: Updated to output plot files and use new ImageFile class
114 * if1: Updated to use new ImageFile class math functions
116 * ezplot: Reworked to better store colors/linestyles/symbols with
117 individual curves. Improved display of labels and ticks. Updated
118 to use POL class member variable. Updated to more C++ conventions.
120 * pol: converted to C++ class. Extracted HashTable to separate
123 * sgp: Added linestyle settings
126 First Microsoft Windows GUI version
127 Modifications for Microsoft Visual C++ compilation.
128 Improved pjinfo to output binary headers and view data, useful
129 when manually compiling phantoms that vary during projection
130 process. Thanks to Ian Kay for idea and code submission.
131 Improved sorting to find median in ImageFile::statistics
132 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
133 Changed reconstruction dialog to fix onto smaller screens
134 Fixed display of plotting in Projection views
135 Improved animation displays for Projections and Reconstructions
136 Changed code to explicitly use std:: namespace rather than
137 "namespace using std" statements
138 Fixed reconstruction scaling bug introduced in 2.0.6
139 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
142 Fixed minor compilation problem with procsignal.h
144 Fixed bug when simulating projections and Trace == CONSOLE
145 Fixed scaling bug when performing redundant rotations around object
148 Improved compilation on RedHat 7
149 Changed some of ANSI C header files to C++ header files
150 Removed README.RedHat7
153 Added documentation for --geometry setting
154 Added README.RedHat7 document
157 Fixed bug in generation of binary PGM files
158 Fixed MPI compilation bug in phm2pj.cpp
159 Inverted y-axis output for pj2if (bug alert from Ian Kay)
162 Additions to man pages (Ian Kay)
163 Fix problem with reading of ASCII phantom files (Ian Kay)
166 Fixed syntax error in fftw configuration
167 Slight modifications to support gcc v2.9.6
170 Version 2.0.0 released!
171 ctsim: Added Window menu to Main frame
172 ctsim: Disabled not support reconstruction method
173 Fixed obscure bug in sys_error
174 Fixed compilation in mingw environment not present
175 Fixed compilation in non-graphical environments
178 ctsim: Added animation of reconstruction
179 ctsim: Added saving of dialog parameters for Projection & Reconstruction
180 ctsim: Added progress dialog for rasterization of phantom
181 ctsim: used setpriority to set lower priority
182 ctsim: fixed pReconstruct not being deleted causing scaling problem
183 ctsim: fixed projection animation dialog buttons
186 ctsim: Added projection graph to animation of projection collection
187 ctsim: Added single stepping to projection collection animation
188 ctsim: improved File/Properties display for projection files
189 ctsim: Added progress dialog for reconstructions
190 ctsim: Added file labels for projection and reconstruction images
191 ctsim: Made File/Properties bring up modal dialogs
192 Added reconstruction for Equilinear and Equiangular geometries
193 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
194 Separated reconstruction into Reconstructor class
195 Fixed center of detector adjustment for even number of detectors
196 Added --enable-static to generate statically linked programs
199 ctsim: Added animation of projection collection processs
200 ctsim: Added Auto Scaling for image windows
201 ctsim: Change menus from "windowing" to "display scaling"
202 Added FieldOfView and FocalLength ratio parameters to projection collection
203 Added FocalLength & FieldOfView fields to projection data files
204 Added Projection collection for Equilinear and Equiangular geometries
205 Changed name of Rowland Phantom to correct name of Shepp-Logan
206 Fixed bug in backprojection selection
209 Added RCS Id strings to executable files
210 Added RPM Spec file for RPM package creation
211 Added loading of ASCII phanthom definitions from files
212 Fixed compilation for non-SGP architectures
213 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
214 Added Filter-Generation option to reconstruction to allow direct or
215 inverse_fourier construction of filters
216 Added median to statistics and to auto-windowing
219 Added line color support to SGP
223 Finished support for dmallocxx library
224 Fixed bug in SignalFilter::convertFilterMethodNameToID()
225 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
226 G2 windows and well as WXWindows.
227 ctsim program: "Create Phantom" now shows phantom object
228 Fixed row-plot bug in if-2
229 Reworked EZPlot's multiple plot operation
232 ctsim program: improved initial size and scroll area for image
234 ctsim program: added rasterization parameters, projections parameters,
235 and reconstruction parameters dialogs
236 Moved char[] static definition from header files to c++ files
237 Completely reorganized option processing in classes to improve
238 expandability and to assist ctsim graphical user interface.
241 ctsim program: Added dialog to set minimum/maximum display levels
242 Started ctsim.tex document file
245 Fixed compiler warnings at -Wall level
246 Began work on CTSim program to be graphical front-end of all functions
247 Moved current src/*.cpp to tools/*.cpp
248 Made CTSim graphical front-end's home to be src/
251 Added highly optimized backprojection method idiff3
252 Moved comparative stats to if-2 program from ifinfo
253 Fixed image display in if2img using G2 library
254 Added column-plot and row-plot options to if-2
255 Added autoselection of analytic/calculated spatial responses to SignalFilter
256 Added frequency-based preinterpolation to SignalFilter and idiff3
257 backprojection method. Currently, this technique is still under
258 development and debugging
259 Moved graphic file writing to ImageFile class from if2img program
262 Cleaned up SignalFilter class
263 Added zeropad option to pjrec
264 Added zeropad options to html and cgi files
265 Added fourier_table and rfttw filter methods
266 Added FFTW routines to use real/half-complex transformations
269 Updated trace level processing
270 Added trace level to SignalFilter
271 Fixed magnitude vs. real output bug in FFT/Fourier filter
274 Fixed const issue with ImageFileArray
275 Fixed Array2dFile::labelsCopy()
276 Added copy constructor and assignment for Array2dFileLabel class
277 Added Timer to if-2.cpp and ifinfo.cpp
278 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
279 Added option processing for filter-method for pjrec to choose
280 between convolution, dft, & fft filtering
281 Fixed format string for EZPlot so axis labels now print
282 Added support for FFTW library
285 Rewrote Array2dFile class to be non-templated
286 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
287 Rewrote Array2dFileLabel class to make members private, added access routines
288 Removed timedate.cpp in favor of standard C library time/date functions
289 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
290 Added signature tag and creation date/time to projection files
293 Standardized string option processing by classes. All classes use character strings
294 to select options rather than numeric constants. Added fail() and failMessage()
295 methods to verify that objects are created correctly by character strings.
296 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
297 Rewrote ImageFile class
298 Started support for dmallocxx library, not finished
299 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
300 Updated ifinfo to show comparative statistics
301 Added printLabels() to Array2dFile class
302 Added printStatistics() to ImageFile class
305 Moved conversion filter name/id to Filter class
306 Moved conversion backprojection name/id to Backproj class
307 Added MPI broadcasting of strings
310 Merged proj_reconstr into class Projections
311 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
312 Code cleanup in projections.cpp
313 Moved conversion of phantom names/id to Phantom class
316 Converted projection files to C++ library with frnetorderstream
317 Converted image files to C++ library with frnetorderstream
318 Converted filter and convolution to object-oriented code
319 Changed default image file to float from double -- Changable in imagefile.h
320 Optimized image file writing on little-endian architectures
321 Updated README and INSTALL
324 Reorganized source files
325 MPI bug fixed to phm2pj.cpp
328 Reorganized include files
329 Fixed const pointers in strfuncs
332 Renamed directories, moved source files, combined source files
333 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
337 Skip versions to make version 2.0 the first fully C++ version
338 Renamed Raysums to Projections throughout files
339 Renamed Detector to Scanner
340 Converted Scanner and Projecions to full object-oriented
343 Converted Phantom and PhantomElements to Object-Oriented
344 Converted Detector to Object-Oriented
347 Improved Integer backprojection method
348 Fixed nearest neighbor to be truly nearest neighbor
349 Made linear interpolation more integer arithmetic -> speed improvement
350 Finished converting all C files to C++
351 Converted all use of malloc/free to C++ new/delete
352 Began object-oriented conversion of Phantom and Projection structures
355 Converted MPI data structures to C++ object
356 Made ImageFile directly inherit from Array2dFile
359 First C++ conversions
360 Portable IF (image file) format implemented with objects (SDF removed)
361 - Now all data files are cross-platform compatible
362 Converted from MPI to MPI++
363 Converted backprojection to object-oriented
364 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
367 Simpilifed endian handling
370 Added support for 64-bit (IA64) CPU
371 Removed broken B-spline interpolation
372 Added support for cygwin platform under Windows 2000
373 Added support for 16-bit PNG graphics
376 Added compile-time configuration of endian order
379 Modified the raysum file format to be platform independent
382 Added Microsoft VC compatibility
383 Cleaned up compilation warnings in libgraph
386 Continued conversion to ANSI C
387 Removed old CRT routines
390 Renamed pictures to phantoms, objects to phantom elements
391 Continued code cleanup
394 More code cleanup with reorganizing libraries
395 Added --log and --exp to sdf-1
396 Allowed negative numbers for window levels in CGI interface
399 Continued code cleanup
403 Better documented, coded raysum in-memory on on-disk options
406 Cleaned out library that wasn't being used by CTSim
407 Modified ctsim.cgi to read in configuration file ctsim.conf
410 First open source distribution for GNU/Linux
413 Converted to GNU/Linux
414 added MPI support via LAM library
417 Developed under MS-DOS and IBM EGA graphics