3 * ctsim: Added most-recently-used files to File menu with
4 registry storage between executions.
6 * ctsim: Added MDI interface for Windows version
8 * ctsim: Added graphical About box
10 * ctsim: Added accelerator (hotkeys) to windows
12 * ctsim: Online help added as well as HTML help
14 * ctsim: Added icons to Frames on Windows versions
16 * pjinfo: Fixed bug when doing --dump and not specifing --endview
18 * ctsimtext-lam: Changes for first version to compile under lam
20 3.0.0alpha5 - Released 1/12/00
22 * ctsim: Added EZPlotDialog, used by debugging plots in
25 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
26 bug in parsing command-line parameters.
28 * views.cpp: Fixed bug in copying of labels from images to
31 * syserror.cpp: fixed reporting for fatal errors
33 * projections.cpp: fixed MSVC failure with std:: namespace
35 * procsignal.cpp: fixed bug in equiangular reconstructions
36 for frequency/inverse-fourier filtering
38 3.0.0alpha4 - Released 1/09/01
40 * ctsim: Added reset to full-intensity scale menu item
42 * ctsim: Add conversion of projections to polar plot [Thanks to
43 Ian Kay for reference and math hints in polar bilinear scaling]
45 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
48 * ctsim: imagefile labels are now copied to plotfiles
50 * ctsim: Added more analyze menuitems
52 * ctsimtext: First version. All command-line tools are now accessed
53 through this master shell. Has both command-line and interactive
56 * ctsim: Fixed initialization of min/max bug for PlotFiles
58 * ezplot: Cleaned up y-tick label placement
60 * sgp: Added better support for projection/reconstruction animation
62 3.0.0alpha3 - Released 1/02/01
64 * ctsim: Added plotting of histograms
66 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
68 * ezplot.cpp: adjusted xtick label displays for better placement
70 3.0alpha2 - Released 1/02/01
72 * ctsim: All functions of command-line tools are now in graphical ctsim
74 * ctsim: added generation of filter images
76 * ctsim: Added 2-image math functions (mul, add, div, sub)
78 * ctsim: Added export of imagefiles to graphic file formats
80 * ctsim: Added support for scaling imagefiles in new sizes
82 * ctsim: Added ability to save standard phantom definitions as
83 text files suitable for reading.
85 * ctsim: Add labels for image transformations and display of labels
86 when performing properties of images.
88 * processsignal.cpp: Fixed "off by one" bug in
89 shuffleNaturalToFourierOrder when n is even. Moved functions to
92 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
93 image math functions to complex-valued math.
95 * phantom.cpp: Added ability to save phantom files as ASCII text.
97 3.0alpha1 - Released 12/29/00
99 * Added PlotFile class to system, used by if2 and ctsim for row
100 and column plots and comparison plots
102 * ctsim: Added image comparison statistics and image subtraction
104 * ctsim: Added plotting of rows & columns with y-axis scaling
106 * ctsim: Added row and column plot comparisons between two image
109 * ctsim: Added "Process" menu to image file display with math
110 functions. Added 2-dimensional inverse Fourier to math
111 functions. Added support for complex (real/imaginary) images.
113 * mathfuncs.cpp: Reworked statistics algorithm to share between
114 imagefile and plotfile classes.
116 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
117 nsamples > 2. Added generic mage math functions, moved from
118 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
121 * array2dfile.cpp: Added code to support complex (real/imaginary)
124 * if1: Updated to handle error conditions, such as sqrt of a
125 negative number. Converted to use new ImageFile math functions.
127 * if2: Updated to output plot files and use new ImageFile class
130 * if1: Updated to use new ImageFile class math functions
132 * ezplot: Reworked to better store colors/linestyles/symbols with
133 individual curves. Improved display of labels and ticks. Updated
134 to use POL class member variable. Updated to more C++ conventions.
136 * pol: converted to C++ class. Extracted HashTable to separate
139 * sgp: Added linestyle settings
142 First Microsoft Windows GUI version
143 Modifications for Microsoft Visual C++ compilation.
144 Improved pjinfo to output binary headers and view data, useful
145 when manually compiling phantoms that vary during projection
146 process. Thanks to Ian Kay for idea and code submission.
147 Improved sorting to find median in ImageFile::statistics
148 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
149 Changed reconstruction dialog to fix onto smaller screens
150 Fixed display of plotting in Projection views
151 Improved animation displays for Projections and Reconstructions
152 Changed code to explicitly use std:: namespace rather than
153 "namespace using std" statements
154 Fixed reconstruction scaling bug introduced in 2.0.6
155 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
158 Fixed minor compilation problem with procsignal.h
160 Fixed bug when simulating projections and Trace == CONSOLE
161 Fixed scaling bug when performing redundant rotations around object
164 Improved compilation on RedHat 7
165 Changed some of ANSI C header files to C++ header files
166 Removed README.RedHat7
169 Added documentation for --geometry setting
170 Added README.RedHat7 document
173 Fixed bug in generation of binary PGM files
174 Fixed MPI compilation bug in phm2pj.cpp
175 Inverted y-axis output for pj2if (bug alert from Ian Kay)
178 Additions to man pages (Ian Kay)
179 Fix problem with reading of ASCII phantom files (Ian Kay)
182 Fixed syntax error in fftw configuration
183 Slight modifications to support gcc v2.9.6
186 Version 2.0.0 released!
187 ctsim: Added Window menu to Main frame
188 ctsim: Disabled not support reconstruction method
189 Fixed obscure bug in sys_error
190 Fixed compilation in mingw environment not present
191 Fixed compilation in non-graphical environments
194 ctsim: Added animation of reconstruction
195 ctsim: Added saving of dialog parameters for Projection & Reconstruction
196 ctsim: Added progress dialog for rasterization of phantom
197 ctsim: used setpriority to set lower priority
198 ctsim: fixed pReconstruct not being deleted causing scaling problem
199 ctsim: fixed projection animation dialog buttons
202 ctsim: Added projection graph to animation of projection collection
203 ctsim: Added single stepping to projection collection animation
204 ctsim: improved File/Properties display for projection files
205 ctsim: Added progress dialog for reconstructions
206 ctsim: Added file labels for projection and reconstruction images
207 ctsim: Made File/Properties bring up modal dialogs
208 Added reconstruction for Equilinear and Equiangular geometries
209 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
210 Separated reconstruction into Reconstructor class
211 Fixed center of detector adjustment for even number of detectors
212 Added --enable-static to generate statically linked programs
215 ctsim: Added animation of projection collection processs
216 ctsim: Added Auto Scaling for image windows
217 ctsim: Change menus from "windowing" to "display scaling"
218 Added FieldOfView and FocalLength ratio parameters to projection collection
219 Added FocalLength & FieldOfView fields to projection data files
220 Added Projection collection for Equilinear and Equiangular geometries
221 Changed name of Rowland Phantom to correct name of Shepp-Logan
222 Fixed bug in backprojection selection
225 Added RCS Id strings to executable files
226 Added RPM Spec file for RPM package creation
227 Added loading of ASCII phanthom definitions from files
228 Fixed compilation for non-SGP architectures
229 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
230 Added Filter-Generation option to reconstruction to allow direct or
231 inverse_fourier construction of filters
232 Added median to statistics and to auto-windowing
235 Added line color support to SGP
239 Finished support for dmallocxx library
240 Fixed bug in SignalFilter::convertFilterMethodNameToID()
241 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
242 G2 windows and well as WXWindows.
243 ctsim program: "Create Phantom" now shows phantom object
244 Fixed row-plot bug in if-2
245 Reworked EZPlot's multiple plot operation
248 ctsim program: improved initial size and scroll area for image
250 ctsim program: added rasterization parameters, projections parameters,
251 and reconstruction parameters dialogs
252 Moved char[] static definition from header files to c++ files
253 Completely reorganized option processing in classes to improve
254 expandability and to assist ctsim graphical user interface.
257 ctsim program: Added dialog to set minimum/maximum display levels
258 Started ctsim.tex document file
261 Fixed compiler warnings at -Wall level
262 Began work on CTSim program to be graphical front-end of all functions
263 Moved current src/*.cpp to tools/*.cpp
264 Made CTSim graphical front-end's home to be src/
267 Added highly optimized backprojection method idiff3
268 Moved comparative stats to if-2 program from ifinfo
269 Fixed image display in if2img using G2 library
270 Added column-plot and row-plot options to if-2
271 Added autoselection of analytic/calculated spatial responses to SignalFilter
272 Added frequency-based preinterpolation to SignalFilter and idiff3
273 backprojection method. Currently, this technique is still under
274 development and debugging
275 Moved graphic file writing to ImageFile class from if2img program
278 Cleaned up SignalFilter class
279 Added zeropad option to pjrec
280 Added zeropad options to html and cgi files
281 Added fourier_table and rfttw filter methods
282 Added FFTW routines to use real/half-complex transformations
285 Updated trace level processing
286 Added trace level to SignalFilter
287 Fixed magnitude vs. real output bug in FFT/Fourier filter
290 Fixed const issue with ImageFileArray
291 Fixed Array2dFile::labelsCopy()
292 Added copy constructor and assignment for Array2dFileLabel class
293 Added Timer to if-2.cpp and ifinfo.cpp
294 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
295 Added option processing for filter-method for pjrec to choose
296 between convolution, dft, & fft filtering
297 Fixed format string for EZPlot so axis labels now print
298 Added support for FFTW library
301 Rewrote Array2dFile class to be non-templated
302 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
303 Rewrote Array2dFileLabel class to make members private, added access routines
304 Removed timedate.cpp in favor of standard C library time/date functions
305 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
306 Added signature tag and creation date/time to projection files
309 Standardized string option processing by classes. All classes use character strings
310 to select options rather than numeric constants. Added fail() and failMessage()
311 methods to verify that objects are created correctly by character strings.
312 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
313 Rewrote ImageFile class
314 Started support for dmallocxx library, not finished
315 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
316 Updated ifinfo to show comparative statistics
317 Added printLabels() to Array2dFile class
318 Added printStatistics() to ImageFile class
321 Moved conversion filter name/id to Filter class
322 Moved conversion backprojection name/id to Backproj class
323 Added MPI broadcasting of strings
326 Merged proj_reconstr into class Projections
327 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
328 Code cleanup in projections.cpp
329 Moved conversion of phantom names/id to Phantom class
332 Converted projection files to C++ library with frnetorderstream
333 Converted image files to C++ library with frnetorderstream
334 Converted filter and convolution to object-oriented code
335 Changed default image file to float from double -- Changable in imagefile.h
336 Optimized image file writing on little-endian architectures
337 Updated README and INSTALL
340 Reorganized source files
341 MPI bug fixed to phm2pj.cpp
344 Reorganized include files
345 Fixed const pointers in strfuncs
348 Renamed directories, moved source files, combined source files
349 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
353 Skip versions to make version 2.0 the first fully C++ version
354 Renamed Raysums to Projections throughout files
355 Renamed Detector to Scanner
356 Converted Scanner and Projecions to full object-oriented
359 Converted Phantom and PhantomElements to Object-Oriented
360 Converted Detector to Object-Oriented
363 Improved Integer backprojection method
364 Fixed nearest neighbor to be truly nearest neighbor
365 Made linear interpolation more integer arithmetic -> speed improvement
366 Finished converting all C files to C++
367 Converted all use of malloc/free to C++ new/delete
368 Began object-oriented conversion of Phantom and Projection structures
371 Converted MPI data structures to C++ object
372 Made ImageFile directly inherit from Array2dFile
375 First C++ conversions
376 Portable IF (image file) format implemented with objects (SDF removed)
377 - Now all data files are cross-platform compatible
378 Converted from MPI to MPI++
379 Converted backprojection to object-oriented
380 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
383 Simpilifed endian handling
386 Added support for 64-bit (IA64) CPU
387 Removed broken B-spline interpolation
388 Added support for cygwin platform under Windows 2000
389 Added support for 16-bit PNG graphics
392 Added compile-time configuration of endian order
395 Modified the raysum file format to be platform independent
398 Added Microsoft VC compatibility
399 Cleaned up compilation warnings in libgraph
402 Continued conversion to ANSI C
403 Removed old CRT routines
406 Renamed pictures to phantoms, objects to phantom elements
407 Continued code cleanup
410 More code cleanup with reorganizing libraries
411 Added --log and --exp to sdf-1
412 Allowed negative numbers for window levels in CGI interface
415 Continued code cleanup
419 Better documented, coded raysum in-memory on on-disk options
422 Cleaned out library that wasn't being used by CTSim
423 Modified ctsim.cgi to read in configuration file ctsim.conf
426 First open source distribution for GNU/Linux
429 Converted to GNU/Linux
430 added MPI support via LAM library
433 Developed under MS-DOS and IBM EGA graphics