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 Revert to ImageFile menu
14 * ctsim: Added accelerator (hotkeys) to frames
16 * ctsim: Online help added as well as HTML help
18 * ctsim: Added icons to Frames on X-Window and MS Windows versions
20 * ctsim: Fixed tick-label placement for plots on projection and
21 reconstruction dialogs.
23 * timer.h: Add use of _ftime when compiling on MSVC
25 * ctsim: Fixed crash on shutdown bug
27 * pjinfo: Fixed bug when doing --dump and not specifing --endview
29 * ctsimtext-lam: Changes for first version to compile under lam
31 3.0.0alpha5 - Released 1/12/00
33 * ctsim: Added EZPlotDialog, used by debugging plots in
36 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
37 bug in parsing command-line parameters.
39 * views.cpp: Fixed bug in copying of labels from images to
42 * syserror.cpp: fixed reporting for fatal errors
44 * projections.cpp: fixed MSVC failure with std:: namespace
46 * procsignal.cpp: fixed bug in equiangular reconstructions
47 for frequency/inverse-fourier filtering
49 3.0.0alpha4 - Released 1/09/01
51 * ctsim: Added reset to full-intensity scale menu item
53 * ctsim: Add conversion of projections to polar plot [Thanks to
54 Ian Kay for reference and math hints in polar bilinear scaling]
56 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
59 * ctsim: imagefile labels are now copied to plotfiles
61 * ctsim: Added more analyze menuitems
63 * ctsimtext: First version. All command-line tools are now accessed
64 through this master shell. Has both command-line and interactive
67 * ctsim: Fixed initialization of min/max bug for PlotFiles
69 * ezplot: Cleaned up y-tick label placement
71 * sgp: Added better support for projection/reconstruction animation
73 3.0.0alpha3 - Released 1/02/01
75 * ctsim: Added plotting of histograms
77 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
79 * ezplot.cpp: adjusted xtick label displays for better placement
81 3.0alpha2 - Released 1/02/01
83 * ctsim: All functions of command-line tools are now in graphical ctsim
85 * ctsim: added generation of filter images
87 * ctsim: Added 2-image math functions (mul, add, div, sub)
89 * ctsim: Added export of imagefiles to graphic file formats
91 * ctsim: Added support for scaling imagefiles in new sizes
93 * ctsim: Added ability to save standard phantom definitions as
94 text files suitable for reading.
96 * ctsim: Add labels for image transformations and display of labels
97 when performing properties of images.
99 * processsignal.cpp: Fixed "off by one" bug in
100 shuffleNaturalToFourierOrder when n is even. Moved functions to
103 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
104 image math functions to complex-valued math.
106 * phantom.cpp: Added ability to save phantom files as ASCII text.
108 3.0alpha1 - Released 12/29/00
110 * Added PlotFile class to system, used by if2 and ctsim for row
111 and column plots and comparison plots
113 * ctsim: Added image comparison statistics and image subtraction
115 * ctsim: Added plotting of rows & columns with y-axis scaling
117 * ctsim: Added row and column plot comparisons between two image
120 * ctsim: Added "Process" menu to image file display with math
121 functions. Added 2-dimensional inverse Fourier to math
122 functions. Added support for complex (real/imaginary) images.
124 * mathfuncs.cpp: Reworked statistics algorithm to share between
125 imagefile and plotfile classes.
127 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
128 nsamples > 2. Added generic mage math functions, moved from
129 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
132 * array2dfile.cpp: Added code to support complex (real/imaginary)
135 * if1: Updated to handle error conditions, such as sqrt of a
136 negative number. Converted to use new ImageFile math functions.
138 * if2: Updated to output plot files and use new ImageFile class
141 * if1: Updated to use new ImageFile class math functions
143 * ezplot: Reworked to better store colors/linestyles/symbols with
144 individual curves. Improved display of labels and ticks. Updated
145 to use POL class member variable. Updated to more C++ conventions.
147 * pol: converted to C++ class. Extracted HashTable to separate
150 * sgp: Added linestyle settings
153 First Microsoft Windows GUI version
154 Modifications for Microsoft Visual C++ compilation.
155 Improved pjinfo to output binary headers and view data, useful
156 when manually compiling phantoms that vary during projection
157 process. Thanks to Ian Kay for idea and code submission.
158 Improved sorting to find median in ImageFile::statistics
159 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
160 Changed reconstruction dialog to fix onto smaller screens
161 Fixed display of plotting in Projection views
162 Improved animation displays for Projections and Reconstructions
163 Changed code to explicitly use std:: namespace rather than
164 "namespace using std" statements
165 Fixed reconstruction scaling bug introduced in 2.0.6
166 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
169 Fixed minor compilation problem with procsignal.h
171 Fixed bug when simulating projections and Trace == CONSOLE
172 Fixed scaling bug when performing redundant rotations around object
175 Improved compilation on RedHat 7
176 Changed some of ANSI C header files to C++ header files
177 Removed README.RedHat7
180 Added documentation for --geometry setting
181 Added README.RedHat7 document
184 Fixed bug in generation of binary PGM files
185 Fixed MPI compilation bug in phm2pj.cpp
186 Inverted y-axis output for pj2if (bug alert from Ian Kay)
189 Additions to man pages (Ian Kay)
190 Fix problem with reading of ASCII phantom files (Ian Kay)
193 Fixed syntax error in fftw configuration
194 Slight modifications to support gcc v2.9.6
197 Version 2.0.0 released!
198 ctsim: Added Window menu to Main frame
199 ctsim: Disabled not support reconstruction method
200 Fixed obscure bug in sys_error
201 Fixed compilation in mingw environment not present
202 Fixed compilation in non-graphical environments
205 ctsim: Added animation of reconstruction
206 ctsim: Added saving of dialog parameters for Projection & Reconstruction
207 ctsim: Added progress dialog for rasterization of phantom
208 ctsim: used setpriority to set lower priority
209 ctsim: fixed pReconstruct not being deleted causing scaling problem
210 ctsim: fixed projection animation dialog buttons
213 ctsim: Added projection graph to animation of projection collection
214 ctsim: Added single stepping to projection collection animation
215 ctsim: improved File/Properties display for projection files
216 ctsim: Added progress dialog for reconstructions
217 ctsim: Added file labels for projection and reconstruction images
218 ctsim: Made File/Properties bring up modal dialogs
219 Added reconstruction for Equilinear and Equiangular geometries
220 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
221 Separated reconstruction into Reconstructor class
222 Fixed center of detector adjustment for even number of detectors
223 Added --enable-static to generate statically linked programs
226 ctsim: Added animation of projection collection processs
227 ctsim: Added Auto Scaling for image windows
228 ctsim: Change menus from "windowing" to "display scaling"
229 Added FieldOfView and FocalLength ratio parameters to projection collection
230 Added FocalLength & FieldOfView fields to projection data files
231 Added Projection collection for Equilinear and Equiangular geometries
232 Changed name of Rowland Phantom to correct name of Shepp-Logan
233 Fixed bug in backprojection selection
236 Added RCS Id strings to executable files
237 Added RPM Spec file for RPM package creation
238 Added loading of ASCII phanthom definitions from files
239 Fixed compilation for non-SGP architectures
240 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
241 Added Filter-Generation option to reconstruction to allow direct or
242 inverse_fourier construction of filters
243 Added median to statistics and to auto-windowing
246 Added line color support to SGP
250 Finished support for dmallocxx library
251 Fixed bug in SignalFilter::convertFilterMethodNameToID()
252 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
253 G2 windows and well as WXWindows.
254 ctsim program: "Create Phantom" now shows phantom object
255 Fixed row-plot bug in if-2
256 Reworked EZPlot's multiple plot operation
259 ctsim program: improved initial size and scroll area for image
261 ctsim program: added rasterization parameters, projections parameters,
262 and reconstruction parameters dialogs
263 Moved char[] static definition from header files to c++ files
264 Completely reorganized option processing in classes to improve
265 expandability and to assist ctsim graphical user interface.
268 ctsim program: Added dialog to set minimum/maximum display levels
269 Started ctsim.tex document file
272 Fixed compiler warnings at -Wall level
273 Began work on CTSim program to be graphical front-end of all functions
274 Moved current src/*.cpp to tools/*.cpp
275 Made CTSim graphical front-end's home to be src/
278 Added highly optimized backprojection method idiff3
279 Moved comparative stats to if-2 program from ifinfo
280 Fixed image display in if2img using G2 library
281 Added column-plot and row-plot options to if-2
282 Added autoselection of analytic/calculated spatial responses to SignalFilter
283 Added frequency-based preinterpolation to SignalFilter and idiff3
284 backprojection method. Currently, this technique is still under
285 development and debugging
286 Moved graphic file writing to ImageFile class from if2img program
289 Cleaned up SignalFilter class
290 Added zeropad option to pjrec
291 Added zeropad options to html and cgi files
292 Added fourier_table and rfttw filter methods
293 Added FFTW routines to use real/half-complex transformations
296 Updated trace level processing
297 Added trace level to SignalFilter
298 Fixed magnitude vs. real output bug in FFT/Fourier filter
301 Fixed const issue with ImageFileArray
302 Fixed Array2dFile::labelsCopy()
303 Added copy constructor and assignment for Array2dFileLabel class
304 Added Timer to if-2.cpp and ifinfo.cpp
305 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
306 Added option processing for filter-method for pjrec to choose
307 between convolution, dft, & fft filtering
308 Fixed format string for EZPlot so axis labels now print
309 Added support for FFTW library
312 Rewrote Array2dFile class to be non-templated
313 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
314 Rewrote Array2dFileLabel class to make members private, added access routines
315 Removed timedate.cpp in favor of standard C library time/date functions
316 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
317 Added signature tag and creation date/time to projection files
320 Standardized string option processing by classes. All classes use character strings
321 to select options rather than numeric constants. Added fail() and failMessage()
322 methods to verify that objects are created correctly by character strings.
323 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
324 Rewrote ImageFile class
325 Started support for dmallocxx library, not finished
326 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
327 Updated ifinfo to show comparative statistics
328 Added printLabels() to Array2dFile class
329 Added printStatistics() to ImageFile class
332 Moved conversion filter name/id to Filter class
333 Moved conversion backprojection name/id to Backproj class
334 Added MPI broadcasting of strings
337 Merged proj_reconstr into class Projections
338 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
339 Code cleanup in projections.cpp
340 Moved conversion of phantom names/id to Phantom class
343 Converted projection files to C++ library with frnetorderstream
344 Converted image files to C++ library with frnetorderstream
345 Converted filter and convolution to object-oriented code
346 Changed default image file to float from double -- Changable in imagefile.h
347 Optimized image file writing on little-endian architectures
348 Updated README and INSTALL
351 Reorganized source files
352 MPI bug fixed to phm2pj.cpp
355 Reorganized include files
356 Fixed const pointers in strfuncs
359 Renamed directories, moved source files, combined source files
360 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
364 Skip versions to make version 2.0 the first fully C++ version
365 Renamed Raysums to Projections throughout files
366 Renamed Detector to Scanner
367 Converted Scanner and Projecions to full object-oriented
370 Converted Phantom and PhantomElements to Object-Oriented
371 Converted Detector to Object-Oriented
374 Improved Integer backprojection method
375 Fixed nearest neighbor to be truly nearest neighbor
376 Made linear interpolation more integer arithmetic -> speed improvement
377 Finished converting all C files to C++
378 Converted all use of malloc/free to C++ new/delete
379 Began object-oriented conversion of Phantom and Projection structures
382 Converted MPI data structures to C++ object
383 Made ImageFile directly inherit from Array2dFile
386 First C++ conversions
387 Portable IF (image file) format implemented with objects (SDF removed)
388 - Now all data files are cross-platform compatible
389 Converted from MPI to MPI++
390 Converted backprojection to object-oriented
391 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
394 Simpilifed endian handling
397 Added support for 64-bit (IA64) CPU
398 Removed broken B-spline interpolation
399 Added support for cygwin platform under Windows 2000
400 Added support for 16-bit PNG graphics
403 Added compile-time configuration of endian order
406 Modified the raysum file format to be platform independent
409 Added Microsoft VC compatibility
410 Cleaned up compilation warnings in libgraph
413 Continued conversion to ANSI C
414 Removed old CRT routines
417 Renamed pictures to phantoms, objects to phantom elements
418 Continued code cleanup
421 More code cleanup with reorganizing libraries
422 Added --log and --exp to sdf-1
423 Allowed negative numbers for window levels in CGI interface
426 Continued code cleanup
430 Better documented, coded raysum in-memory on on-disk options
433 Cleaned out library that wasn't being used by CTSim
434 Modified ctsim.cgi to read in configuration file ctsim.conf
437 First open source distribution for GNU/Linux
440 Converted to GNU/Linux
441 added MPI support via LAM library
444 Developed under MS-DOS and IBM EGA graphics