3 * ctsim: Added most-recently-used files to File menu with
4 registry storage between executions.
6 * ctsim: Added MDI interface for Windows version and made it default
8 * ctsim: Added graphical About box
10 * ctsim: Added accelerator (hotkeys) to frames
12 * ctsim: Online help added as well as HTML help
14 * ctsim: Added icons to Frames on X-Window and MS Windows versions
16 * ctsim: Fixed tick-label placement for plots on projection and
17 reconstruction dialogs.
19 * timer.h: Add use of _ftime when compiling on MSVC
21 * pjinfo: Fixed bug when doing --dump and not specifing --endview
23 * ctsimtext-lam: Changes for first version to compile under lam
25 3.0.0alpha5 - Released 1/12/00
27 * ctsim: Added EZPlotDialog, used by debugging plots in
30 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
31 bug in parsing command-line parameters.
33 * views.cpp: Fixed bug in copying of labels from images to
36 * syserror.cpp: fixed reporting for fatal errors
38 * projections.cpp: fixed MSVC failure with std:: namespace
40 * procsignal.cpp: fixed bug in equiangular reconstructions
41 for frequency/inverse-fourier filtering
43 3.0.0alpha4 - Released 1/09/01
45 * ctsim: Added reset to full-intensity scale menu item
47 * ctsim: Add conversion of projections to polar plot [Thanks to
48 Ian Kay for reference and math hints in polar bilinear scaling]
50 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
53 * ctsim: imagefile labels are now copied to plotfiles
55 * ctsim: Added more analyze menuitems
57 * ctsimtext: First version. All command-line tools are now accessed
58 through this master shell. Has both command-line and interactive
61 * ctsim: Fixed initialization of min/max bug for PlotFiles
63 * ezplot: Cleaned up y-tick label placement
65 * sgp: Added better support for projection/reconstruction animation
67 3.0.0alpha3 - Released 1/02/01
69 * ctsim: Added plotting of histograms
71 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
73 * ezplot.cpp: adjusted xtick label displays for better placement
75 3.0alpha2 - Released 1/02/01
77 * ctsim: All functions of command-line tools are now in graphical ctsim
79 * ctsim: added generation of filter images
81 * ctsim: Added 2-image math functions (mul, add, div, sub)
83 * ctsim: Added export of imagefiles to graphic file formats
85 * ctsim: Added support for scaling imagefiles in new sizes
87 * ctsim: Added ability to save standard phantom definitions as
88 text files suitable for reading.
90 * ctsim: Add labels for image transformations and display of labels
91 when performing properties of images.
93 * processsignal.cpp: Fixed "off by one" bug in
94 shuffleNaturalToFourierOrder when n is even. Moved functions to
97 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
98 image math functions to complex-valued math.
100 * phantom.cpp: Added ability to save phantom files as ASCII text.
102 3.0alpha1 - Released 12/29/00
104 * Added PlotFile class to system, used by if2 and ctsim for row
105 and column plots and comparison plots
107 * ctsim: Added image comparison statistics and image subtraction
109 * ctsim: Added plotting of rows & columns with y-axis scaling
111 * ctsim: Added row and column plot comparisons between two image
114 * ctsim: Added "Process" menu to image file display with math
115 functions. Added 2-dimensional inverse Fourier to math
116 functions. Added support for complex (real/imaginary) images.
118 * mathfuncs.cpp: Reworked statistics algorithm to share between
119 imagefile and plotfile classes.
121 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
122 nsamples > 2. Added generic mage math functions, moved from
123 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
126 * array2dfile.cpp: Added code to support complex (real/imaginary)
129 * if1: Updated to handle error conditions, such as sqrt of a
130 negative number. Converted to use new ImageFile math functions.
132 * if2: Updated to output plot files and use new ImageFile class
135 * if1: Updated to use new ImageFile class math functions
137 * ezplot: Reworked to better store colors/linestyles/symbols with
138 individual curves. Improved display of labels and ticks. Updated
139 to use POL class member variable. Updated to more C++ conventions.
141 * pol: converted to C++ class. Extracted HashTable to separate
144 * sgp: Added linestyle settings
147 First Microsoft Windows GUI version
148 Modifications for Microsoft Visual C++ compilation.
149 Improved pjinfo to output binary headers and view data, useful
150 when manually compiling phantoms that vary during projection
151 process. Thanks to Ian Kay for idea and code submission.
152 Improved sorting to find median in ImageFile::statistics
153 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
154 Changed reconstruction dialog to fix onto smaller screens
155 Fixed display of plotting in Projection views
156 Improved animation displays for Projections and Reconstructions
157 Changed code to explicitly use std:: namespace rather than
158 "namespace using std" statements
159 Fixed reconstruction scaling bug introduced in 2.0.6
160 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
163 Fixed minor compilation problem with procsignal.h
165 Fixed bug when simulating projections and Trace == CONSOLE
166 Fixed scaling bug when performing redundant rotations around object
169 Improved compilation on RedHat 7
170 Changed some of ANSI C header files to C++ header files
171 Removed README.RedHat7
174 Added documentation for --geometry setting
175 Added README.RedHat7 document
178 Fixed bug in generation of binary PGM files
179 Fixed MPI compilation bug in phm2pj.cpp
180 Inverted y-axis output for pj2if (bug alert from Ian Kay)
183 Additions to man pages (Ian Kay)
184 Fix problem with reading of ASCII phantom files (Ian Kay)
187 Fixed syntax error in fftw configuration
188 Slight modifications to support gcc v2.9.6
191 Version 2.0.0 released!
192 ctsim: Added Window menu to Main frame
193 ctsim: Disabled not support reconstruction method
194 Fixed obscure bug in sys_error
195 Fixed compilation in mingw environment not present
196 Fixed compilation in non-graphical environments
199 ctsim: Added animation of reconstruction
200 ctsim: Added saving of dialog parameters for Projection & Reconstruction
201 ctsim: Added progress dialog for rasterization of phantom
202 ctsim: used setpriority to set lower priority
203 ctsim: fixed pReconstruct not being deleted causing scaling problem
204 ctsim: fixed projection animation dialog buttons
207 ctsim: Added projection graph to animation of projection collection
208 ctsim: Added single stepping to projection collection animation
209 ctsim: improved File/Properties display for projection files
210 ctsim: Added progress dialog for reconstructions
211 ctsim: Added file labels for projection and reconstruction images
212 ctsim: Made File/Properties bring up modal dialogs
213 Added reconstruction for Equilinear and Equiangular geometries
214 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
215 Separated reconstruction into Reconstructor class
216 Fixed center of detector adjustment for even number of detectors
217 Added --enable-static to generate statically linked programs
220 ctsim: Added animation of projection collection processs
221 ctsim: Added Auto Scaling for image windows
222 ctsim: Change menus from "windowing" to "display scaling"
223 Added FieldOfView and FocalLength ratio parameters to projection collection
224 Added FocalLength & FieldOfView fields to projection data files
225 Added Projection collection for Equilinear and Equiangular geometries
226 Changed name of Rowland Phantom to correct name of Shepp-Logan
227 Fixed bug in backprojection selection
230 Added RCS Id strings to executable files
231 Added RPM Spec file for RPM package creation
232 Added loading of ASCII phanthom definitions from files
233 Fixed compilation for non-SGP architectures
234 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
235 Added Filter-Generation option to reconstruction to allow direct or
236 inverse_fourier construction of filters
237 Added median to statistics and to auto-windowing
240 Added line color support to SGP
244 Finished support for dmallocxx library
245 Fixed bug in SignalFilter::convertFilterMethodNameToID()
246 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
247 G2 windows and well as WXWindows.
248 ctsim program: "Create Phantom" now shows phantom object
249 Fixed row-plot bug in if-2
250 Reworked EZPlot's multiple plot operation
253 ctsim program: improved initial size and scroll area for image
255 ctsim program: added rasterization parameters, projections parameters,
256 and reconstruction parameters dialogs
257 Moved char[] static definition from header files to c++ files
258 Completely reorganized option processing in classes to improve
259 expandability and to assist ctsim graphical user interface.
262 ctsim program: Added dialog to set minimum/maximum display levels
263 Started ctsim.tex document file
266 Fixed compiler warnings at -Wall level
267 Began work on CTSim program to be graphical front-end of all functions
268 Moved current src/*.cpp to tools/*.cpp
269 Made CTSim graphical front-end's home to be src/
272 Added highly optimized backprojection method idiff3
273 Moved comparative stats to if-2 program from ifinfo
274 Fixed image display in if2img using G2 library
275 Added column-plot and row-plot options to if-2
276 Added autoselection of analytic/calculated spatial responses to SignalFilter
277 Added frequency-based preinterpolation to SignalFilter and idiff3
278 backprojection method. Currently, this technique is still under
279 development and debugging
280 Moved graphic file writing to ImageFile class from if2img program
283 Cleaned up SignalFilter class
284 Added zeropad option to pjrec
285 Added zeropad options to html and cgi files
286 Added fourier_table and rfttw filter methods
287 Added FFTW routines to use real/half-complex transformations
290 Updated trace level processing
291 Added trace level to SignalFilter
292 Fixed magnitude vs. real output bug in FFT/Fourier filter
295 Fixed const issue with ImageFileArray
296 Fixed Array2dFile::labelsCopy()
297 Added copy constructor and assignment for Array2dFileLabel class
298 Added Timer to if-2.cpp and ifinfo.cpp
299 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
300 Added option processing for filter-method for pjrec to choose
301 between convolution, dft, & fft filtering
302 Fixed format string for EZPlot so axis labels now print
303 Added support for FFTW library
306 Rewrote Array2dFile class to be non-templated
307 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
308 Rewrote Array2dFileLabel class to make members private, added access routines
309 Removed timedate.cpp in favor of standard C library time/date functions
310 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
311 Added signature tag and creation date/time to projection files
314 Standardized string option processing by classes. All classes use character strings
315 to select options rather than numeric constants. Added fail() and failMessage()
316 methods to verify that objects are created correctly by character strings.
317 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
318 Rewrote ImageFile class
319 Started support for dmallocxx library, not finished
320 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
321 Updated ifinfo to show comparative statistics
322 Added printLabels() to Array2dFile class
323 Added printStatistics() to ImageFile class
326 Moved conversion filter name/id to Filter class
327 Moved conversion backprojection name/id to Backproj class
328 Added MPI broadcasting of strings
331 Merged proj_reconstr into class Projections
332 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
333 Code cleanup in projections.cpp
334 Moved conversion of phantom names/id to Phantom class
337 Converted projection files to C++ library with frnetorderstream
338 Converted image files to C++ library with frnetorderstream
339 Converted filter and convolution to object-oriented code
340 Changed default image file to float from double -- Changable in imagefile.h
341 Optimized image file writing on little-endian architectures
342 Updated README and INSTALL
345 Reorganized source files
346 MPI bug fixed to phm2pj.cpp
349 Reorganized include files
350 Fixed const pointers in strfuncs
353 Renamed directories, moved source files, combined source files
354 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
358 Skip versions to make version 2.0 the first fully C++ version
359 Renamed Raysums to Projections throughout files
360 Renamed Detector to Scanner
361 Converted Scanner and Projecions to full object-oriented
364 Converted Phantom and PhantomElements to Object-Oriented
365 Converted Detector to Object-Oriented
368 Improved Integer backprojection method
369 Fixed nearest neighbor to be truly nearest neighbor
370 Made linear interpolation more integer arithmetic -> speed improvement
371 Finished converting all C files to C++
372 Converted all use of malloc/free to C++ new/delete
373 Began object-oriented conversion of Phantom and Projection structures
376 Converted MPI data structures to C++ object
377 Made ImageFile directly inherit from Array2dFile
380 First C++ conversions
381 Portable IF (image file) format implemented with objects (SDF removed)
382 - Now all data files are cross-platform compatible
383 Converted from MPI to MPI++
384 Converted backprojection to object-oriented
385 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
388 Simpilifed endian handling
391 Added support for 64-bit (IA64) CPU
392 Removed broken B-spline interpolation
393 Added support for cygwin platform under Windows 2000
394 Added support for 16-bit PNG graphics
397 Added compile-time configuration of endian order
400 Modified the raysum file format to be platform independent
403 Added Microsoft VC compatibility
404 Cleaned up compilation warnings in libgraph
407 Continued conversion to ANSI C
408 Removed old CRT routines
411 Renamed pictures to phantoms, objects to phantom elements
412 Continued code cleanup
415 More code cleanup with reorganizing libraries
416 Added --log and --exp to sdf-1
417 Allowed negative numbers for window levels in CGI interface
420 Continued code cleanup
424 Better documented, coded raysum in-memory on on-disk options
427 Cleaned out library that wasn't being used by CTSim
428 Modified ctsim.cgi to read in configuration file ctsim.conf
431 First open source distribution for GNU/Linux
434 Converted to GNU/Linux
435 added MPI support via LAM library
438 Developed under MS-DOS and IBM EGA graphics