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: Escape key now removes cursor from image files
12 * ctsim: Added accelerator (hotkeys) to frames
14 * ctsim: Online help added as well as HTML help
16 * ctsim: Added icons to Frames on X-Window and MS Windows versions
18 * ctsim: Fixed tick-label placement for plots on projection and
19 reconstruction dialogs.
21 * timer.h: Add use of _ftime when compiling on MSVC
23 * pjinfo: Fixed bug when doing --dump and not specifing --endview
25 * ctsimtext-lam: Changes for first version to compile under lam
27 3.0.0alpha5 - Released 1/12/00
29 * ctsim: Added EZPlotDialog, used by debugging plots in
32 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
33 bug in parsing command-line parameters.
35 * views.cpp: Fixed bug in copying of labels from images to
38 * syserror.cpp: fixed reporting for fatal errors
40 * projections.cpp: fixed MSVC failure with std:: namespace
42 * procsignal.cpp: fixed bug in equiangular reconstructions
43 for frequency/inverse-fourier filtering
45 3.0.0alpha4 - Released 1/09/01
47 * ctsim: Added reset to full-intensity scale menu item
49 * ctsim: Add conversion of projections to polar plot [Thanks to
50 Ian Kay for reference and math hints in polar bilinear scaling]
52 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
55 * ctsim: imagefile labels are now copied to plotfiles
57 * ctsim: Added more analyze menuitems
59 * ctsimtext: First version. All command-line tools are now accessed
60 through this master shell. Has both command-line and interactive
63 * ctsim: Fixed initialization of min/max bug for PlotFiles
65 * ezplot: Cleaned up y-tick label placement
67 * sgp: Added better support for projection/reconstruction animation
69 3.0.0alpha3 - Released 1/02/01
71 * ctsim: Added plotting of histograms
73 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
75 * ezplot.cpp: adjusted xtick label displays for better placement
77 3.0alpha2 - Released 1/02/01
79 * ctsim: All functions of command-line tools are now in graphical ctsim
81 * ctsim: added generation of filter images
83 * ctsim: Added 2-image math functions (mul, add, div, sub)
85 * ctsim: Added export of imagefiles to graphic file formats
87 * ctsim: Added support for scaling imagefiles in new sizes
89 * ctsim: Added ability to save standard phantom definitions as
90 text files suitable for reading.
92 * ctsim: Add labels for image transformations and display of labels
93 when performing properties of images.
95 * processsignal.cpp: Fixed "off by one" bug in
96 shuffleNaturalToFourierOrder when n is even. Moved functions to
99 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
100 image math functions to complex-valued math.
102 * phantom.cpp: Added ability to save phantom files as ASCII text.
104 3.0alpha1 - Released 12/29/00
106 * Added PlotFile class to system, used by if2 and ctsim for row
107 and column plots and comparison plots
109 * ctsim: Added image comparison statistics and image subtraction
111 * ctsim: Added plotting of rows & columns with y-axis scaling
113 * ctsim: Added row and column plot comparisons between two image
116 * ctsim: Added "Process" menu to image file display with math
117 functions. Added 2-dimensional inverse Fourier to math
118 functions. Added support for complex (real/imaginary) images.
120 * mathfuncs.cpp: Reworked statistics algorithm to share between
121 imagefile and plotfile classes.
123 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
124 nsamples > 2. Added generic mage math functions, moved from
125 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
128 * array2dfile.cpp: Added code to support complex (real/imaginary)
131 * if1: Updated to handle error conditions, such as sqrt of a
132 negative number. Converted to use new ImageFile math functions.
134 * if2: Updated to output plot files and use new ImageFile class
137 * if1: Updated to use new ImageFile class math functions
139 * ezplot: Reworked to better store colors/linestyles/symbols with
140 individual curves. Improved display of labels and ticks. Updated
141 to use POL class member variable. Updated to more C++ conventions.
143 * pol: converted to C++ class. Extracted HashTable to separate
146 * sgp: Added linestyle settings
149 First Microsoft Windows GUI version
150 Modifications for Microsoft Visual C++ compilation.
151 Improved pjinfo to output binary headers and view data, useful
152 when manually compiling phantoms that vary during projection
153 process. Thanks to Ian Kay for idea and code submission.
154 Improved sorting to find median in ImageFile::statistics
155 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
156 Changed reconstruction dialog to fix onto smaller screens
157 Fixed display of plotting in Projection views
158 Improved animation displays for Projections and Reconstructions
159 Changed code to explicitly use std:: namespace rather than
160 "namespace using std" statements
161 Fixed reconstruction scaling bug introduced in 2.0.6
162 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
165 Fixed minor compilation problem with procsignal.h
167 Fixed bug when simulating projections and Trace == CONSOLE
168 Fixed scaling bug when performing redundant rotations around object
171 Improved compilation on RedHat 7
172 Changed some of ANSI C header files to C++ header files
173 Removed README.RedHat7
176 Added documentation for --geometry setting
177 Added README.RedHat7 document
180 Fixed bug in generation of binary PGM files
181 Fixed MPI compilation bug in phm2pj.cpp
182 Inverted y-axis output for pj2if (bug alert from Ian Kay)
185 Additions to man pages (Ian Kay)
186 Fix problem with reading of ASCII phantom files (Ian Kay)
189 Fixed syntax error in fftw configuration
190 Slight modifications to support gcc v2.9.6
193 Version 2.0.0 released!
194 ctsim: Added Window menu to Main frame
195 ctsim: Disabled not support reconstruction method
196 Fixed obscure bug in sys_error
197 Fixed compilation in mingw environment not present
198 Fixed compilation in non-graphical environments
201 ctsim: Added animation of reconstruction
202 ctsim: Added saving of dialog parameters for Projection & Reconstruction
203 ctsim: Added progress dialog for rasterization of phantom
204 ctsim: used setpriority to set lower priority
205 ctsim: fixed pReconstruct not being deleted causing scaling problem
206 ctsim: fixed projection animation dialog buttons
209 ctsim: Added projection graph to animation of projection collection
210 ctsim: Added single stepping to projection collection animation
211 ctsim: improved File/Properties display for projection files
212 ctsim: Added progress dialog for reconstructions
213 ctsim: Added file labels for projection and reconstruction images
214 ctsim: Made File/Properties bring up modal dialogs
215 Added reconstruction for Equilinear and Equiangular geometries
216 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
217 Separated reconstruction into Reconstructor class
218 Fixed center of detector adjustment for even number of detectors
219 Added --enable-static to generate statically linked programs
222 ctsim: Added animation of projection collection processs
223 ctsim: Added Auto Scaling for image windows
224 ctsim: Change menus from "windowing" to "display scaling"
225 Added FieldOfView and FocalLength ratio parameters to projection collection
226 Added FocalLength & FieldOfView fields to projection data files
227 Added Projection collection for Equilinear and Equiangular geometries
228 Changed name of Rowland Phantom to correct name of Shepp-Logan
229 Fixed bug in backprojection selection
232 Added RCS Id strings to executable files
233 Added RPM Spec file for RPM package creation
234 Added loading of ASCII phanthom definitions from files
235 Fixed compilation for non-SGP architectures
236 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
237 Added Filter-Generation option to reconstruction to allow direct or
238 inverse_fourier construction of filters
239 Added median to statistics and to auto-windowing
242 Added line color support to SGP
246 Finished support for dmallocxx library
247 Fixed bug in SignalFilter::convertFilterMethodNameToID()
248 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
249 G2 windows and well as WXWindows.
250 ctsim program: "Create Phantom" now shows phantom object
251 Fixed row-plot bug in if-2
252 Reworked EZPlot's multiple plot operation
255 ctsim program: improved initial size and scroll area for image
257 ctsim program: added rasterization parameters, projections parameters,
258 and reconstruction parameters dialogs
259 Moved char[] static definition from header files to c++ files
260 Completely reorganized option processing in classes to improve
261 expandability and to assist ctsim graphical user interface.
264 ctsim program: Added dialog to set minimum/maximum display levels
265 Started ctsim.tex document file
268 Fixed compiler warnings at -Wall level
269 Began work on CTSim program to be graphical front-end of all functions
270 Moved current src/*.cpp to tools/*.cpp
271 Made CTSim graphical front-end's home to be src/
274 Added highly optimized backprojection method idiff3
275 Moved comparative stats to if-2 program from ifinfo
276 Fixed image display in if2img using G2 library
277 Added column-plot and row-plot options to if-2
278 Added autoselection of analytic/calculated spatial responses to SignalFilter
279 Added frequency-based preinterpolation to SignalFilter and idiff3
280 backprojection method. Currently, this technique is still under
281 development and debugging
282 Moved graphic file writing to ImageFile class from if2img program
285 Cleaned up SignalFilter class
286 Added zeropad option to pjrec
287 Added zeropad options to html and cgi files
288 Added fourier_table and rfttw filter methods
289 Added FFTW routines to use real/half-complex transformations
292 Updated trace level processing
293 Added trace level to SignalFilter
294 Fixed magnitude vs. real output bug in FFT/Fourier filter
297 Fixed const issue with ImageFileArray
298 Fixed Array2dFile::labelsCopy()
299 Added copy constructor and assignment for Array2dFileLabel class
300 Added Timer to if-2.cpp and ifinfo.cpp
301 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
302 Added option processing for filter-method for pjrec to choose
303 between convolution, dft, & fft filtering
304 Fixed format string for EZPlot so axis labels now print
305 Added support for FFTW library
308 Rewrote Array2dFile class to be non-templated
309 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
310 Rewrote Array2dFileLabel class to make members private, added access routines
311 Removed timedate.cpp in favor of standard C library time/date functions
312 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
313 Added signature tag and creation date/time to projection files
316 Standardized string option processing by classes. All classes use character strings
317 to select options rather than numeric constants. Added fail() and failMessage()
318 methods to verify that objects are created correctly by character strings.
319 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
320 Rewrote ImageFile class
321 Started support for dmallocxx library, not finished
322 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
323 Updated ifinfo to show comparative statistics
324 Added printLabels() to Array2dFile class
325 Added printStatistics() to ImageFile class
328 Moved conversion filter name/id to Filter class
329 Moved conversion backprojection name/id to Backproj class
330 Added MPI broadcasting of strings
333 Merged proj_reconstr into class Projections
334 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
335 Code cleanup in projections.cpp
336 Moved conversion of phantom names/id to Phantom class
339 Converted projection files to C++ library with frnetorderstream
340 Converted image files to C++ library with frnetorderstream
341 Converted filter and convolution to object-oriented code
342 Changed default image file to float from double -- Changable in imagefile.h
343 Optimized image file writing on little-endian architectures
344 Updated README and INSTALL
347 Reorganized source files
348 MPI bug fixed to phm2pj.cpp
351 Reorganized include files
352 Fixed const pointers in strfuncs
355 Renamed directories, moved source files, combined source files
356 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
360 Skip versions to make version 2.0 the first fully C++ version
361 Renamed Raysums to Projections throughout files
362 Renamed Detector to Scanner
363 Converted Scanner and Projecions to full object-oriented
366 Converted Phantom and PhantomElements to Object-Oriented
367 Converted Detector to Object-Oriented
370 Improved Integer backprojection method
371 Fixed nearest neighbor to be truly nearest neighbor
372 Made linear interpolation more integer arithmetic -> speed improvement
373 Finished converting all C files to C++
374 Converted all use of malloc/free to C++ new/delete
375 Began object-oriented conversion of Phantom and Projection structures
378 Converted MPI data structures to C++ object
379 Made ImageFile directly inherit from Array2dFile
382 First C++ conversions
383 Portable IF (image file) format implemented with objects (SDF removed)
384 - Now all data files are cross-platform compatible
385 Converted from MPI to MPI++
386 Converted backprojection to object-oriented
387 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
390 Simpilifed endian handling
393 Added support for 64-bit (IA64) CPU
394 Removed broken B-spline interpolation
395 Added support for cygwin platform under Windows 2000
396 Added support for 16-bit PNG graphics
399 Added compile-time configuration of endian order
402 Modified the raysum file format to be platform independent
405 Added Microsoft VC compatibility
406 Cleaned up compilation warnings in libgraph
409 Continued conversion to ANSI C
410 Removed old CRT routines
413 Renamed pictures to phantoms, objects to phantom elements
414 Continued code cleanup
417 More code cleanup with reorganizing libraries
418 Added --log and --exp to sdf-1
419 Allowed negative numbers for window levels in CGI interface
422 Continued code cleanup
426 Better documented, coded raysum in-memory on on-disk options
429 Cleaned out library that wasn't being used by CTSim
430 Modified ctsim.cgi to read in configuration file ctsim.conf
433 First open source distribution for GNU/Linux
436 Converted to GNU/Linux
437 added MPI support via LAM library
440 Developed under MS-DOS and IBM EGA graphics